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\\ADEFP01\Tech_Servs\GEOLOGY\REPORTS\WCR\East Mereenie 43_WCR.doc

SANTOS - MAGELLAN - UNITED OIL AND GAS

EAST MEREENIE 43

WELL COMPLETION REPORT

COMPILED FOR

SANTOS LIMITED Prepared By: R. LOWMAN (Consultant) April, 2005


EAST MEREENIE 43

TABLE OF CONTENTS

CONTENTS PAGE LOCATION MAP WELL CARD TIME DEPTH CURVE WELL HISTORY 1. General Data 1 2. Drilling Data 2 3. Drilling Summary 2 GEOLOGY 1. Pre-Drilling Summary 5 2. Drilling Rationale 5 3. Results of Drilling 6 (a) Stratigraphy 6 (b) Stratigraphic Prognosis 7 (c) Hydrocarbon Summary 9 4. Summary 11 5. References 12 APPENDICES I Sample Descriptions

(a) Cuttings (b) Hydrocarbon Show Reports

(c) Sidewall Cores II Palynology Report III Core Data IV Log Interpretation

(a) Log Analysis (b) FMT Pressure Survey Data (c) Field Electric Log Report

V Geothermal Gradient VI Deviation Data VII Open Hole Flow Test Data VIII Hydrocarbon Analysis IX Water Analysis X Well Location Survey XI Drilling: Final Well Report XII Rig Specifications ENCLOSURES I 1:200 Scale Composite Log II 1:200 Scale Mudlog III Depth Structure Map IV Well Evaluation Summary (WES) Plot


LOCATION MAP

Date: April 2005, File No. MEREEN 029

East Mereenie 43L 5 - Northern Territory

Santos

Location Map

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EP(A) 111

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Northwest Mereenie 1

West Mereenie 1

18

5

7

11

15

Mereenie 1

313

216

East Johnny Creek 1

Johnnys Creek 1

Ochre Hill 1

3East Mereenie 1

1017

1334

43

514

3032

2

4712

8

9

26

27

610

24

!!!!

Map AreaMap Area

N O R T H E R N T E R R I T O R Y

S O U T H A U ST R A L I A

Alice SpringsBrewer Estate

LegendSantos Permit

East Mereenie 43

Scale: 1:250 000

131° 30' 00" 131° 40' 00"

-23°

50'

00"

Metres

-24°

10'

00"

-24°

00'

00"

5 0 5

131° 30' 00" 131° 40' 00"

-23°

50'

00"

-24°

10'

00"

-24°

00'

00"


WELL CARD


WELL: EAST WELL CATEGORY: DEVELOPMENT SPUD: 11/10/04 TD REACHED: 31/10/04 MEREENIE 43 WELL INTENT: GAS RIG RELEASED: 02/11/04 CMPLT: 01/11/04 RIG: ODE RIG 16 LAT: 24° 00’ 44.40” S LONG: 131° 34’ 37.60” E (GDA 94) STATUS: SINGLE COMPLETION GAS WELL (SCG) SEISMIC STATION: 53M @ 84.5° FROM M83-19, SP 2130 REMARKS: COMPLETED GAS WELL IN THE ELEVATION GND: 784.02 M RT 791.62 M PACOOTA P1-40 THROUGH P1-280 SANDS BLOCK/LICENCE: OL 5, NORTHERN TERRITORY (BAREFOOT COMPLETION) TD 1366.6 M (LOGR EXT) 1366.6 M (DRLR) PBTD M (LOGR) 1255.0 M (DRLR) HOLE SIZE CSG SIZE SHOE DEPTH TYPE TYPE STRUCTURE: ANTICLINE 13 9/16” / 13 ½” 10 ¾” 635.6M D 40.5 #/FT TYPE COMPLETION: CASED AND COMPLETED 9 7/8” / 8 ½” 7” 1255M D 26.0 #/FT 6 1/8” 3 ½” 1245M D 9.2 #/FT

AGE FORMATION OR ZONE TOPS DEPTH (FT) THICKNESS HIGH (H) LOGGERS TVD SS TVD (FT) LOW (L) LATE SILURIAN- MEREENIE SANDSTONE 7.6M +784.0M 482.1M - MID DEVONIAN LATE ORDOVICIAN CARMICHAEL SANDSTONE 490.0M +301.9M 77.9M 23.1M L MID TO LATE ORDOVICIAN UPPER STOKES SILTSTONE 568.0M +224.0M 242.2M 20.0M L MID ORDOVICIAN LOWER STOKES SILTSTONE 812.5M -18.2M 68.8M 13.2M L MID ORDOVICIAN UPPER STAIRWAY SANDSTONE 886.5M -87.0M 61.0M 9.0M L MID ORDOVICIAN MIDDLE STAIRWAY SST 955.5M -148.0M 97.9M 10.0M L MID ORDOVICIAN LOWER STAIRWAY SST (2) 1075.2M -245.9M 47.8M 1.9M L MID ORDOVICIAN LOWER STAIRWAY SST (1) 1138.0M -293.7M 26.8M 1.7M L EARLY ORDOVICIAN HORN VALLEY SILTSTONE 1175.0M -320.5M 59.5M 0.5M L EARLY ORDOVICIAN* PACOOTA SST (P1 UNIT) 1270.0M -380.0M +62.0M 3.0M H EARLY ORDOVICIAN* PACOOTA P1-80 1295.0M -397.2M - 5.8M H EARLY ORDOVICIAN* PACOOTA P1-280 1365.0M -441.9M - 18.1M H TOTAL DEPTH (LGR EXTRAP) 1366.6M -442M *MUDLOG PICKS- TVD DEPTHS BASED ON HOLDING ANGLE AND DIRECTION OF 48.5° AND 16°T. TO BE CONFIRMED BY CASED HOLE LOGS LOG INTERPRETATION (INTERVAL AVERAGES - CATEGORY 1) PERFORATIONS ( SHOTS/FT) INTERVAL(FT) Ø % SW % INTERVAL(FT) Ø % SW % FORMATION INTERVAL

PACOOTA P1 NONE (BAREFOOT COMPLETION) PERFORMED CORES FORM. NO. INTERVAL CUT REC. NIL

LOG SUITE/ RUN

INTERVAL BHT/TIME/ REMARKS

LOG SUITE/RUN

INTERVAL BHT/TIME/ REMARKS

SBT-GR-CCL 1/1 1252.5M-20M 122°F/6.5 H GAUGE RING/ 1/2 1254M-20M JUNK BASKET


FORMATION TESTS NO. INTERVAL

(ft) FORMATION FLOW

(mins) SHUT

IN (mins)

DIGITAL GAUGE

IP/FP (psig)

SIP (psig)

MAX SURF PRESS (psig)

GAS TO

SURF (mins)

TC/ BC

REMARKS

FT 1

1255-1301m (D)

Pacoota P1-40 thru P1-80

105 min

-

-

-

43

-

3” TC

Gas @ 7.1 MMCFD

(decreasing)

FT 2

1255-1366.6m (D)

Pacoota P1-40 thru P1-280

180 min

-

-

-

183

-

2 1/16”

TC

Gas @ 15.3

MMCFD (stabilised)

SUMMARY: East Mereenie 43, a Northern Territory Gas Development well, is located 53m at 84.5° from Line M83-19, SP 2130. This location is 500m NNE of East Mereenie 40 and 2.5km SE of East Mereenie 1, within the East Mereenie Gas and Oil Field. The 2004 Mereenie gas well development programme was designed to boost maximum field deliverability by approximately 12 MMCFD and develop risked reserves of 6.1 BCF. The programme consisted of two new wells, East Mereenie 43 and West Mereenie 18. The increased deliverability was required to meet market demands from November 2004 onwards. The primary target for both wells was P1 gas, specifically the P1-80 and P1-280 sands (the P1 is the main gas producing layer in the Pacoota reservoir). Drilling would terminate in the upper P2, with the P1 to be air drilled and completed barefoot. Air drilling combined with barefoot completion would negate the primary damage mechanism within the Mereenie Field of fracture plugging. No secondary objectives were identified for the well. After setting 16” conductor pipe at 33m, 13 9/16”/13 ½” hole was air/mist drilled to 641m, with 10 ¾” casing set at 636m. 9 7/8” hole was then drilled to 644m, and a Formation Integrity Test (FIT) performed to 17.1 ppg EMW. 9 7/8” hole was then directionally drilled (with air/mist and utilising natural deviation) to 1017m, with 8 ½” hole then directionally drilled (using air/mist and natural deviation) to 1255m, 49.1m TVD into the Horn Valley Siltstone. No significant gas influx was recorded within this section of the well, with a flow rate of 100-300 MCFD estimated at 7” casing point (generated from the basal section of the Upper Stairway Sandstone and possibly from the middle of the Lower Stairway Sandstone (1). 7” intermediate casing was then set on bottom. Deviation at 1255m was 48.75°, azimuth 16° (extrapolated). 6 1/8” hole was then drilled to 1258m, and a Formation Integrity Test (FIT) performed to 17.2 ppg EMW. 6 1/8” hole was then air/mist drilled (holding angle) to 1295m (P1-80 sand), where an intermittent gas flare (increasing to continuous at 1297m) was recorded. A flow test at 1301m recorded a gas flow rate of 7.1 MMCFD (decreasing). Drilling of 6 1/8” hole continued to 1366.6m, 1.6m into the P1-280 sand. At this point drilling was terminated due to a substantial increase in standpipe pressure (unable to circulate). This was associated with a substantial gas increase at 1365m (interpreted top of P1-280 sand), flow tested at 15.3 MMCFD. Formation tops from the Carmichael Sandstone to the Horn Valley Siltstone were intersected low to prognosis, with remaining formation tops intersected high to prognosis. The Pacoota P1, P1-80 and P1-280 were intersected 3.0m, 5.8m and 18.1m high to prognosis respectively (note: Pacoota picks are mudlog picks only and will be confirmed once cased hole logs are run). No log analysis has been performed for East Mereenie 43 (the SBT-GR-CCL log is the only data available at present). As mentioned above, wireline logs post completion (MPLT-PDK-GR) will be run at a later date. East Mereenie 43 was completed by the on-site rig. 3 ½” production tubing was run to 1245m D (barefoot completion). The rig was released at 21:00 hours on the 2nd of November 2004. AUTHOR: R. LOWMAN DATE: APRIL, 2005


TIME DEPTH CURVE

ce0ent

EAST MEREENIE 43TIME v DEPTH CURVE

0

200

400

600

800

1000

1200

1400

1600

18000 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34

DAYS FROM SPUD

DE

PT

H, m

RT

EM 40

EM 41

EM 42

Prognosed EM 43

Actual EM 43

DRILLING SUMMARYDrilling Rig: ODE 16Move From: Palm Valley 11Rig Move Distance: 160 km Spud Well: 13:30 hrs 11/10/2004 Rig Release: 21:00 hrs 2/11/2004 Current Date: 06:00 hrs 3/11/2004Current Depth: 1366.6 mPrognosed TD: 1351 m MD / 1273 m TVDCurrent Operation: Rig Released.Days From Spud: 22.31Daily Cost: Cum Cost: Est Final Cost: NOPE Cost: . Project Number: 5600028 Water source: EM 3 Turkey's nestTROUBLE TIME 0.5 hr Survey misrun1.0 hr Jack up & level mast to hole centre3.5 hrs POH to retrieve survey barrel7.0 hrs POH to unblock scale from floats3.5 hrs Change out leaking rotating head rubber10.5 hrs Wait on Baker packer resetting tool1.5 hrs Repin/reset packer ------------------------------------------------------------ 27.5 hrs TOTAL TROUBLE TIME

FinalRun & cement 16" conductor at 32.9 m

Trip for insert bit

Trip for hammer bit

Trip for insert bit

Trip for insert bit

Run & cement 10-3/4" casing at 635.5 m

FIT: 17.1 ppg EMW

Bit trip

Bak

er A

tlas

Run

1: S

BT

-GR

-CC

LR

un 2

: CC

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k B

aske

t

Run & cement 7" casing at 1255 m

FIT: 17.2 ppg EMW

Bak

er A

tlas:

Set

pac

ker

@ 1

231.

8 m

TD: 1366.6 m MD

Ran

98

jnts

3-1

/2"

Fox

tubi

ng

Santos Ltd 3/11/2004 SABU Drilling Department


WELL HISTORY

Page 1


1. GENERAL DATA Well Name: East Mereenie 43 Well Classification: Gas Development

Interest Holders: SANTOS Group 65.0000% Magellan Petroleum Pty. Ltd. 20.0000% United Oil and Gas Pty. Ltd. 15.0000%

Participating Interests: SANTOS Group 65.0000% Magellan Petroleum Pty. Ltd. 20.0000% United Oil and Gas Pty. Ltd. 15.0000%

Operator: SANTOS Block/Licence: OL 5, Northern Territory

Surveyed Location: Latitude: 24° 00' 44.40” South (GDA 94) Longitude: 131° 34' 37.60” East (GDA

94)

Surveyed Elevation: Ground Level: 784.02m Rotary Table: 791.64m

Seismic Location: 53m @ 84.5° from M83-19, SP 2130 Total Depth: Driller: 1366.6m MDRT, 1234.2m TVDRT Logger: 1366.6m MDRT, 1234.2m TVDRT (Extrapolated) Completion: Surface Casing: 51 joints of 10 ¾” 40.5 #/ft J55 STC

casing set at 635.5m Driller, 635.5m Logger. Intermediate Casing: 104 joints of 7” 26 lb/ft L80 BTC

casing set at 1255.05m Driller, 1255.05m Logger. Production Tubing: 98 joints of 3 ½” 9.2 #/ft J55 FOX

tubing run with end of tubing at 1245m (barefoot completion).

PBTD: 1255m (7” casing depth). Status: Single Completion Gas Well (SCG), Pacoota P1-40

through P1-280 sands (barefoot completion).

Page 2


2. DRILLING DATA Date Drilling Commenced: 1330 hours, 11th October 2004 Date Drilling Completed: 0830 hours, 31st October 2004 Date Rig Released: 2100 hours, 2nd November 2004 Contractor: Oil Drilling and Exploration Pty. Ltd. (OD&E) Rig: OD&E Rig 16 Rig Specifications: (Refer to Appendix XII) 3. DRILLING SUMMARY (a) Drilling Summary (All Depths Driller's MDRT unless otherwise stated) East Mereenie 43 commenced operations (spudded) at 1330 hours on the 11th of October

2004. Tables I and II summarise the major drilling operations in this hole. More comprehensive summaries are appended to this report (Appendix XI: Drilling Summary).

TABLE I: CASING, HOLE, AND CEMENT DETAILS BIT SIZE DEPTH CASING

SIZE CASING DEPTH

JNTS CASING TYPE

CEMENT

13 9/16” &

13 ½” 641m 10 ¾” 635.5m 51 40.5 #/ft

J55 STC 635 sacks Class ‘G’ plus additives

9 7/8” &

8 ½” 1255m 7” 1255m 104 26.0 #/ft L80

BTC 475 sacks Class ‘G plus additives lead, 255 sacks Class ‘G’ plus additives tail

6 1/8” 1366.6 3 ½” 1245m 98 9.2 #/ft J55 FOX

N/A.

TABLE II: SUMMARY OF CIRCULATING SYSTEMS

TYPE INTERVAL Air Surface - 33.5m Air/Mist/Foam

33.5m- 1366.6m

Page 3


(b) Trouble time Trouble time details for East Mereenie 43 are available in Appendix XI (Drilling: Final Well

Report). (c) Water Supply Make up water (Rw 9.2 @ 75° F) was trucked from the nearby Mereenie Central Treatment

Plant. (d) Mudlogging Mudlogging services were provided by Geoservices Overseas S.A. Samples were collected,

washed and described at 15m intervals from the surface to 855m, and at 3m intervals from 855m to 1366.6m Total Depth. All samples were checked for oil shows using ultraviolet fluorescence. Gas levels were monitored from the surface to TD using an FID total gas detector and FID chromatograph, and other parameters monitored included rate of penetration, weight on hook, stand pipe pressure, torque and mud pit levels.

(e) Testing No drill stem tests were run in East Mereenie 43. Two open hole flow tests were performed,

with the following results:

TABLE III: OPEN HOLE FLOW TEST RESULTS

FT INTERVAL ZONES TESTED RESULTS

1 2

1255m- 1301m (D) 1255m- 1301m (L) 1255m- 1366.6m (D) 1255m- 1366.6m (L)

Pacoota P1-40 thru P1-80 sands Pacoota P1-40 thru P1-280 sands

7.1 MMCFD (decreasing) calculated after 105 minutes. Gas appeared liquids rich. 15.3 MMCFD (stabilised) calculated after 180 minutes. Gas appeared liquids rich.

(f) Coring No cores were cut in East Mereenie 43.

Page 4


(g) Electric Logging One suite of electric logs was run in East Mereenie 43 through 7” casing, as detailed below

(open hole logs in 6 1/8” hole will be acquired at a later date):

TABLE IV: ELECTRIC LOGGING SUMMARY

TYPE OF LOG SUITE/RUN INTERVAL BHT/TIME/REMARKS

SBT-GR-CCL 1/1 1252.5m - 20m 122°F/6.5 H GAUGE RING/ 1/2 1254 - 20m - JUNK BASKET

(h) Geothermal Gradient No bottom hole temperature has been extrapolated for East Mereenie 43 due to the limited

temperature data available for the well. Based on a regional temperature gradient of 1.30°F/30m, a bottom hole temperature of 139°F has been calculated for East Mereenie 43.

(i) Hole Deviation Deviation survey results are summarised in Appendix VI (Deviation Data) and on the

Composite Log (Enclosure I). (j) Velocity Survey No velocity survey was run in East Mereenie 43. (k) Completion Summary East Mereenie 43 was completed by the on-site rig. 3 ½” production tubing was run to 1245m (barefoot completion). The rig was released at 21:00 hours on the 2nd of November 2004.


GEOLOGY

Page 5


1. PRE-DRILLING SUMMARY (after Well Proposal) East Mereenie 43, a Northern Territory Gas Development well, is located 53m at 84.5° from

Line M83-19, SP 2130. This location is 500m NNE of East Mereenie 40 and 2.5km SE of East Mereenie 1, within the East Mereenie Gas and Oil Field.

The 2004 Mereenie gas well development programme was designed to boost maximum field

deliverability by approximately 12 MMCFD and develop risked reserves of 6.1 BCF. The programme consisted of two new wells, East Mereenie 43 and West Mereenie 18. The increased deliverability was required to meet market demands from November 2004 onwards.

The primary target for both wells was P1 gas, specifically the P1-80 and P1-280 sands (the P1

is the main gas producing layer in the Pacoota reservoir). Drilling was prognosed to terminate in the upper P2, with the P1 to be air drilled and completed barefoot. Air drilling combined with barefoot completion was anticipated to negate the primary damage mechanism within the Mereenie Field of fracture plugging.

From a reservoir drainage position East Mereenie 43 should ideally be located along the crest

between East Mereenie 1 and East Mereenie 5. However, owing to native title restrictions, surface access to this location is not possible.

The proposed surface location for East Mereenie 43 is approximately 600m off the interpreted

crest of the P1 reservoir system. From this location natural deviation will steer the well into the crest at a proposed maximum angle of 40° with an anticipated azimuth of 27°. This will result in an expected vertical section of approximately 220m at the top of the P1 unit. Though the proposed bottom hole location of East Mereenie 43 is not optimal (i.e. nearer the flank than desired), it is nonetheless closer to the ideal development location than the second option, a twin of East Mereenie 5 (located further downflank). While it is generally accepted that deliverability decreases away from the crest, this particular area of the East Mereenie south flank is anomalous, with good open hole flow test results from East Mereenie 34, 38 and 40. These high rates are consistent with the presence of a regional fracture set (swarm) near East Mereenie 34 as suggested by Flottman et al from their study of surface features and IMAGE log analysis. A good gas flow from East Mereenie 38 is expected, as the prognosed bottom hole location lies on a 340°N regional fracture trend (from East Mereenie 34).

No secondary objectives were identified for the well. 2. DRILLING RATIONALE (after Well Proposal)

Mereenie is the major supplier to the growing Northern Territory gas market. East Mereenie 43 was needed when considering the risks of short falling current contracts within this market. Though the base case economics for drilling East Mereenie 43 were marginal, overall economics for the well became attractive when considering the risks associated with 1) production problems with existing wells and 2) probable NT market peaks. Apart from minimising risk, East Mereenie 43 (and the second programmed well West Mereenie 18) contain significant upside potential by strategically positioning Mereenie to easily capture spot sale and other NT market growth opportunities.

Page 6


The drilling of East Mereenie 43 (and West Mereenie 18) was deferred from 2003 to 2004 based on the justification that field deliverability for 2003 could be met with existing development. Also, with the two wells directly following the drilling of Palm Valley 11, project synergies could be maximised and overall costs reduced. A recent study to determine the best way to fulfil the Mereenie gas contracts was made. Two options were assessed: 1) additional field development wells and 2) the early blowdown of the P3 reservoir. The main conclusion arising from the analysis was that on a risked basis, existing field development combined with P3 blowdown would not have sufficient deliverability to meet the future requirements of existing contracts. Also (as mentioned previously), given the cost savings available through mobilisation sharing with Palm Valley 11 coupled with crew learning, it was recommended that the opportunity be taken to drill both East Mereenie 43 and West Mereenie 18 in calendar year 2004. While it was recognised that additional development was not required to meet current contract obligations, it would provide insurance (as previously mentioned) against gas supply shortfall due to the failure of existing completions. It would also allow the P3 reservoirs to focus on oil recovery (assuming blowdown had a negative effect). Due to the independence of the Mereenie project, the need for redundancy in gas deliverability is vital, and is justified in the face of capital expenditure. Two new successful completions would also (as mentioned previously) create further opportunities to exploit the growing Northern Territory gas market.

3. RESULTS OF DRILLING (a) Stratigraphy (Logger’s Depths) The following table lists the formations intersected in East Mereenie 43, together with subsea

elevations and thicknesses. All depths are Logger's Depths.

TABLE V: EAST MEREENIE 43 STRATIGRAPHY

AGE FORMATIONS MDRT (m)

TVD SS (m)

THICKNESS TVD (m)

LATE SILURIAN- MEREENIE SANDSTONE 7.6m +784.0m 482.1m MID DEVONIAN LATE ORDOVICIAN CARMICHAEL SANDSTONE 490.0m +301.9m 77.9m MID TO LATE ORDOVICIAN UPPER STOKES SILTSTONE 568.0m +224.0m 242.2m MID ORDOVICIAN LOWER STOKES SILTSTONE 812.5m -18.2m 68.8m MID ORDOVICIAN UPPER STAIRWAY SANDSTONE 886.5m -87.0m 61.0m MID ORDOVICIAN MIDDLE STAIRWAY SST 955.5m -148.0m 97.9m MID ORDOVICIAN LOWER STAIRWAY SST (2) 1075.2m -245.9m 47.8m MID ORDOVICIAN LOWER STAIRWAY SST (1) 1138.0m -293.7m 26.8m EARLY ORDOVICIAN HORN VALLEY SILTSTONE 1175.0m -320.5m 59.5m EARLY ORDOVICIAN* PACOOTA SST (P1 UNIT) 1270.0m -380.0m +62.0m EARLY ORDOVICIAN* PACOOTA P1-80 1295.0m -397.2m - EARLY ORDOVICIAN* PACOOTA P1-280 1365.0m -441.9m - TOTAL DEPTH (LGR EXTRAP) 1366.6m -442.0m *Mudlog picks- TVD depths based on holding angle and direction of 48.5° and 16°T. To be confirmed by cased hole logs

Page 7


Cuttings samples were collected, washed and described at 15m intervals from the surface to

855m, and at 3m intervals from 855m to 1366.6m Total Depth. The stratigraphic sequence penetrated by East Mereenie 43 was very similar to that

encountered in other wells in the field. It consists of aeolian, fluvial, lacustrine, and shallow marine sediments comprising sandstones, siltstones, and minor carbonates of Late Silurian to Early Ordovician age. For further detailed information regarding this stratigraphic sequence refer to previous East Mereenie Field Well Completion Reports. Detailed lithological descriptions for East Mereenie 43 are available in Appendix I of this report.

Relatively restricted clastic deposits in the Ordovician of the Amadeus Basin include the

marginal marine Pacoota Sandstone, the shallow marine Horn Valley Siltstone, and the tidally influenced Stairway Sandstone.

Geologically, the Pacoota Sandstone forms a thick unit of dominantly sandstones and

siltstones, deposited in alluvial, coastal and marine shoreface settings. The Pacoota Sandstone has been subdivided into four sub-units from the P1 at the top to the P4 at the base. Of these the P1 and P3 units are the most commercially productive.

Within the P1 unit, several reservoir sub-units have been identified, the most significant being

the P1-80 and P1-280 sands. The P1 reservoirs are generally fine to medium grained sandstones, organised in upward coarsening patterns. Sedimentary structures indicate that these sands are low wave energy, fluvial dominated coastal deposits in the form of distributary mouth bars. In terms of gross thickness the P1-80 is reasonably consistent across the field, however the P1-280 sub-unit thins from west to east reflecting a transition to more marine conditions.

(b) Stratigraphic Prognosis (after Well Proposal) East Mereenie 43, a Northern Territory Gas Development well, is located 53m at 84.5° from


From a reservoir drainage position East Mereenie 43 should ideally be located along the crest

of the Mereenie anticline between East Mereenie 1 and East Mereenie 5. However, owing to native title restrictions, surface access to this location was not possible.

The surface location for East Mereenie 43 is approximately 600m off the interpreted crest of

the P1 reservoir system. From this location natural deviation would steer the well into the crest at a proposed maximum angle of 40° with an anticipated azimuth of 27°. This would result in an expected vertical section of approximately 220m at the top of the P1 unit. Though the proposed bottom hole location of East Mereenie 43 was not optimal (i.e. nearer the flank than desired), it was nonetheless closer to the ideal development location than the second option, a twin of East Mereenie 5 (located further downflank).

Page 8


No secondary objectives were identified for the well. The depth prognosis (and actual well results) for East Mereenie 43 are tabled below. All

depths quoted in Table VI are Logger’s Depths:

TABLE VI: ACTUAL VERSUS PROGNOSED DEPTHS AND THICKNESSES EAST MEREENIE 43

FORMATION PROG

TVD SS DEPTH

(FT)

ACT TVD SS DEPTH

(FT)

DEPTH DIFF (FT)

PROG TVD

THICK (FT)

ACT TVD

THICK (FT)

THICK DIFF (FT)

MEREENIE SANDSTONE +784.0m +784.0m - 459.0m 482.1m +23.1m CARMICHAEL SANDSTONE +325.0m +301.9m 23.1m L 81.0m 77.9m -3.1m UPPER STOKES SILTSTONE +244.0m +224.0m 20.0m L 245.0m 242.2m -2.8m LOWER STOKES SILTSTONE -5.0m -18.2m 13.2m L 73.0m 68.8m -4.2m UPPER STAIRWAY SANDSTONE -78.0m -87.0m 9.0m L 60.0m 61.0m +1.0m MIDDLE STAIRWAY SST -138.0m -148.0m 10.0m L 106.0m 97.9m -8.1m LOWER STAIRWAY SST (2) -244.0m -245.9m 1.9m L 48.0m 47.8m -0.2m LOWER STAIRWAY SST (1) -292.0m -293.7m 1.7m L 28.0m 26.8m -1.2m HORN VALLEY SILTSTONE -320.0m -320.5m 0.5m L 63.0m 59.5m -3.5m PACOOTA SST (P1 UNIT)* -383.0m -380.0m 3.0m H +106.0m +62m - PACOOTA P1-80* -403.0m -397.2m 5.8m H - - - PACOOTA P1-280* -460.0m -441.9m 18.1m H - - - *Mudlog picks- TVD depths based on holding angle and direction of 48.5° and 16°T. To be confirmed by cased hole logs TOTAL DEPTH (LGR EXTRAP) -489.0m -442.0m The stratigraphic sequence intersected in East Mereenie 43 was as prognosed. Formation tops

from the Mereenie Sandstone to Horn Valley Siltstone were intersected low to prognosis, ranging from 23.1m low (Carmichael Sandstone) to 0.5m low (Horn Valley Siltstone). The Pacoota Sandstone P1 unit, P1-80 sand and P1-280 sand were intersected 3.0m, 5.8m and 18.1m high to prognosis respectively (subject to final confirmation by cased hole logs).

As mentioned above, the surface location for East Mereenie 43 is approximately 600m off the

interpreted crest of the P1 reservoir system (due to native title restrictions). Natural deviation was anticipated to steer the well into the crest at a proposed maximum angle of 40° with an anticipated azimuth of 27°, resulting in an expected vertical section of approximately 220m at the top of the P1 unit.

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Drilling results were close to prognosis, resulting in a vertical section of 303m at a bearing of

25°T at the top of the P1 unit. The bottom hole location at the top of the P1 unit in East Mereenie 43 is more crestal than prognosed (by approximately 80m), overall a better well result.

(c) Hydrocarbon Summary (Logger’s Depths) Total gas was recorded from the surface to total depth using an FID total gas detector. One

unit of gas is equal to 200 ppm methane equivalent. Chromatographic analysis was determined using an FID chromatograph and these values are quoted as percentages (C1 - C5). Ditch cuttings were collected, washed and described at 15m intervals from the surface to 855m, and at 3m intervals from 855m to 1366.6m Total Depth. All samples were checked for oil shows using ultraviolet fluorescence.

Mereenie Sandstone through Lower Stokes Siltstone inclusive (7.6m to 886.5m) No gas or hydrocarbon fluorescence was recorded in this section of the well. No shows were

anticipated. A water influx of 50 bbl/hr was recorded from the Mereenie Sandstone at 220m. Upper Stairway Sandstone (886.5m to 955.5m) No total gas readings/gas flaring were recorded within the upper section of this formation

from 886.5m to 951m. At 951m a 45 second gas flare was recorded post wireline survey, with no associated background gas as drilling continued through the formation. A minor (uneconomic) gas influx is interpreted from the base of the Upper Stairway Sandstone, consistent with offset wells.

Middle Stairway Sandstone (955.5m to 1075.2m) Total gas from the top of the formation to 1006m was less than 1 unit (100% C1), with no

continuous gas flaring observed (connection/survey gas flares were observed at 989m and 998m). At 1004m the gas system was checked, with a partially blocked gas line connection cleared. Total background gas immediately increased to 35 units (80:14:6 %). From 1004m to the base of the Middle Stairway Sandstone at 1076m, total gas ranged from 35-100 units (76:15:6:3 %), with no gas flaring observed while drilling (connection/survey/trip gas flares only). No gas influx is interpreted from the Middle Stairway Sandstone in East Mereenie 43.

Lower Stairway Sandstone (2) (1075.2m to 1138.0m) Total gas within Lower Stairway Sandstone (2) ranged between 30-60 units (78:14:8:2 %), with no significant total gas peaks or gas flaring while drilling. Again, only

connection/survey gas flares were observed. No gas influx is interpreted from the Lower Stairway Sandstone (2).

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Lower Stairway Sandstone (1) (1138.0m to 1175.0m) Total gas within the Lower Stairway Sandstone (1) from 1138m to 1152m ranged from 50-90

units (77:14:6:3 %), with no significant gas peaks interpreted (no gas flaring while drilling, connection gas flares only). At 1152m a shift in total gas from 50 to 210 units was recorded, associated with better quality sandstones but with no associated gas flaring while drilling. Total gas remained at 100-210 units (decreasing with depth) through the remainder of the Lower Stairway Sandstone (1), still with connection gas flares only and with no gas flaring observed while drilling. A possible very minor gas influx is associated with sandstones from 1152m-1161m.

Horn Valley Siltstone (1175.0m to 1270.0m) Total gas within the Horn Valley Siltstone from 1175m to 1255m ranged from 55-200 units

(78:13:6:3 %), with connection/survey gas flares only and no gas flaring recorded while drilling (an intermittent gas flare at 1236m was due to the well unloading while drilling ahead). At 1255m drilling was halted to run the intermediate casing string. With the compressors shut down a gas flow rate of 100-300 MCFD was estimated, consistent with offset wells. This minor uneconomic gas flow is interpreted to have come from the basal section of the Upper Stairway Sandstone and possibly from the middle of the Lower Stairway Sandstone (1).

After setting 7” intermediate casing drilling in the Horn Valley Siltstone continued with

air/mist. From 1255m to 1265m total gas ranged from 0.2 to 1 unit, with no associated gas flaring. At 1265m, a 265/1 unit gas peak (66:20:10:4 %) was recorded, in association with an intermittent gas flare while drilling ahead. However, total gas rapidly decreased to 1.5 units by the top of the Pacoota Sandstone P1 unit at 1270m. The minor gas influx encountered is interpreted to have come from fractured limestones at the base of the Horn Valley Siltstone.

Pacoota Sandstone (P1 unit) (1270.0m to 1366.6m TD) Air/mist drilling continued into the Pacoota Sandstone (P1 unit), attempting to hold/drop

angle (last recorded survey at 1237m, 48.75° to 16° True North). Total gas from the top of the Pacoota P1 to 1295m (P1-40, P1-60 sands) ranged from 0.2 to 1.5 units (100:tr %), with no associated gas flaring while drilling (gas flaring observed on connections only). At 1295m (top of P1-80 sand) intermittent gas flaring while drilling was recorded, followed at 1297m by a continuous gas flare while drilling. Total gas values confirmed a significant gas influx from the P1-80 sand, with total gas from 1295m to 1297m increasing from half a unit to 290-350 units (77:15:8:2 %), increasing again at 1297m to a steady background total gas level of 2000-2200 units (78:15:5:2 %). The base of the P1-80 sand is interpreted at 1302m. At 1301m Flow Test (FT) 1 was performed, resulting in 7.1 MMCFD of gas (decreasing).

Air/mist drilling continued from 1302m to 1365m (P1-110 through P1-240 sands), with total

gas steady at 2000-2200 units (79:13:6:2 %) and no increase in gas influx interpreted. At 1365m the P1-280 sand was intersected, with a sizeable increase in the gas flare observed while drilling and an increase in total gas from 2000 to 3200 units (81:11:6:2 %). Drilling continued to 1366.6m, however due to excessive standpipe pressure associated with the increased gas influx from the P1-280 sand, drilling could not continue and was terminated at 1366.6m (an interpreted 1.6m into the P1-280 sand). A flow test at total depth (FT 2) resulted in 15.3 MMCFD of gas, verifying a substantial gas contribution from the P1-280 sand.

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4. SUMMARY East Mereenie 43, a Northern Territory Gas Development well, is located 53m at 84.5° from


The 2004 Mereenie gas well development programme was designed to boost maximum field

deliverability by approximately 12 MMCFD and develop risked reserves of 6.1 BCF. The programme consisted of two new wells, East Mereenie 43 and West Mereenie 18. The increased deliverability was required to meet market demands from November 2004 onwards.

The primary target for both wells was P1 gas, specifically the P1-80 and P1-280 sands (the P1

is the main gas producing layer in the Pacoota reservoir). Drilling was prognosed to terminate in the upper P2, with the P1 to be air drilled and completed barefoot (thus negating the primary damage mechanism within the Mereenie Field of fracture plugging).

No secondary objectives were identified for the well. After setting 16” conductor pipe at 33m, 13 9/16”/13 ½” hole was air/mist drilled to 641m,

with 10 ¾” casing set at 636m. 9 7/8” hole was then drilled to 644m, and a Formation Integrity Test (FIT) performed to 17.1 ppg EMW. 9 7/8” hole was then directionally drilled (with air/mist and utilising natural deviation) to 1017m, with 8 ½” hole then directionally drilled (using air/mist and natural deviation) to 1255m, 49.1m TVD into the Horn Valley Siltstone. No significant gas influx was recorded within this section of the well, with a flow rate of 100-300 MCFD estimated at 7” casing point (generated from the basal section of the Upper Stairway Sandstone and possibly from the middle of the Lower Stairway Sandstone (1). 7” intermediate casing was then set on bottom. Deviation at 1255m was 48.75°, azimuth 16° (extrapolated). 6 1/8” hole was then drilled to 1258m, and a Formation Integrity Test (FIT) performed to 17.2 ppg EMW. 6 1/8” hole was then air/mist drilled (holding angle) to 1295m (P1-80 sand), where an intermittent gas flare (increasing to continuous at 1297m) was recorded. A flow test at 1301m recorded a gas flow rate of 7.1 MMCFD (decreasing). Drilling of 6 1/8” hole continued to 1366.6m, 1.6m into the P1-280 sand. At this point drilling was terminated due to a substantial increase in standpipe pressure (unable to circulate). This was associated with a substantial gas increase at 1365m (interpreted top of P1-280 sand), flow tested at 15.3 MMCFD.

The stratigraphic sequence intersected in East Mereenie 43 was as prognosed. Formation tops

from the Mereenie Sandstone to Horn Valley Siltstone were intersected low to prognosis, ranging from 23.1m low (Carmichael Sandstone) to 0.5m low (Horn Valley Siltstone). The Pacoota Sandstone P1 unit, P1-80 sand and P1-280 sand were intersected 3.0m, 5.8m and 18.1m high to prognosis respectively (subject to final confirmation by cased hole logs).

Page 12


The surface location for East Mereenie 43 is approximately 600m off the interpreted crest of

the P1 reservoir system (due to native title restrictions). Natural deviation was anticipated to steer the well into the crest at a proposed maximum angle of 40° with an anticipated azimuth of 27°, resulting in an expected vertical section of approximately 220m at the top of the P1 unit. Drilling results were close to prognosis, resulting in a vertical section of 303m at a bearing of 25°T at the top of the P1 unit (due to a higher angle build rate than expected). The bottom hole location at the top of the P1 unit in East Mereenie 43 is more crestal than prognosed (by approximately 80m), which is overall a better well result.

No log analysis has been performed for East Mereenie 43 (the SBT-GR-CCL log is the only

data available at present). As mentioned above, wireline logs post completion (MPLT-PDK-GR) will be run at a later date.

East Mereenie 43 was completed by the on-site rig. 3 ½” production tubing was run to 1244m

D (barefoot completion). The rig was released at 21:00 hours on the 2nd of November 2004. 5. REFERENCES Gas Development, Santos Ltd., 2004 East Mereenie 43 Well Proposal, Santos Ltd. (unpublished). Bilek, M., 1996 East Mereenie 40 Well Completion Report, Santos Ltd.

(unpublished). Hillis, R.R., In Situ Stress and Natural Fracturing in the Mereenie Field: Mildren, S.D., Implications for Field Development. Meyer, J.J., Flottman, T., 1999 Campagna, D., Field Study of Natural Fractures in the Mereenie and Palm

Valley Flottman, T., 2002 Fields, Northern Territory, Central Australia.


APPENDIX I: SAMPLE DESCRIPTIONS


APPENDIX I (a): CUTTINGS


APPENDIX I (a): CUTTINGS

Ditch cuttings were collected, washed and described at 15m intervals from the surface to 855m, and at 3m intervals from 855m to 1366.6m Total Depth. All samples were checked for oil shows using ultraviolet fluorescence. MEREENIE SANDSTONE (LATE SILURIAN TO MIDDLE DEVONIAN) From 7.6m to 490.0m Thickness: 482.1m TVD 7.6m to 93m SANDSTONE. SANDSTONE: pale red to pink, pale brown orange, commonly clear to

translucent, trace medium grey brown, dominantly fine to medium grained, occasionally coarse to very coarse grained, moderately to poorly sorted, subangular to rounded, moderately weak siliceous cement, trace pale red silty matrix, dominantly loose, common friable to moderately hard aggregates, good inferred to fair visual porosity, no fluorescence.

93m to 375m SANDSTONE. SANDSTONE: clear to translucent, medium orange pink to red orange,

commonly medium red brown, very fine to coarse grained, dominantly fine to medium grained, poorly sorted, subangular to rounded, moderately strong siliceous cement, common pale red brown argillaceous matrix, dominantly loose, common moderately hard to hard aggregates, poor to occasional fair inferred porosity, very poor visual porosity, no fluorescence.

375m to 420m SANDSTONE WITH TRACES OF SILTSTONE. SANDSTONE: dominantly clear to translucent, commonly pale to medium red

brown, trace white to pale red, rare pale yellow, fine to coarse grained, dominantly medium grained, moderately to poorly sorted, subangular to rounded, moderately strong siliceous cement, locally common red brown argillaceous matrix, commonly loose, moderately hard to hard aggregates, poor to fair inferred porosity, very poor visual porosity, no fluorescence. SILTSTONE: medium to dark red brown, argillaceous, rare very fine to fine sand grains, trace micromicaceous, moderately hard, subblocky to minor subfissile.

420m to 446m SANDSTONE WITH TRACES OF SILTSTONE. SANDSTONE: off white, translucent to very pale pink, clear, pale to medium

purple red, occasionally pale yellow, fine to coarse grained, dominantly fine to medium grained, moderately to poorly sorted, subrounded to rounded, locally subangular, moderately strong to strong siliceous cement, locally common medium red brown argillaceous matrix, minor dark lithics, moderately hard to hard aggregates, occasional to common loose grains, poor to occasionally fair inferred porosity, very poor visual porosity, no fluorescence. SILTSTONE: dusky red to dark red brown, argillaceous to very finely arenaceous, commonly siliceous, minor micromicaceous, hard, subblocky.


446m to 463m SANDSTONE WITH RARE TO MINOR SILTSTONE. SANDSTONE: translucent to off white, clear, very pale pink to pale purple

red, minor pale yellow, fine to medium grained, occasionally coarse grained, moderately sorted, subrounded to rounded, occasionally subangular, moderately strong siliceous cement, occasional off white to medium red brown argillaceous matrix, minor dark lithics, commonly loose, hard aggregates, very poor to poor inferred and visual porosity, no fluorescence. SILTSTONE: medium to dark red brown, argillaceous, locally very finely arenaceous, siliceous in part, minor micromicaceous, moderately hard to hard, subblocky to subfissile.

463m to 490m SANDSTONE WITH MINOR INTERBEDDED SILTSTONE. SANDSTONE: pale to medium red brown, pale to medium grey red,

occasionally translucent to minor clear, mottled in part, very fine to medium grained, minor coarse grained, moderately sorted, subrounded to rounded, minor subangular, moderately strong to strong siliceous cement, occasional pale red brown argillaceous matrix, minor dark lithics, trace micromicaceous, occasionally loose, hard aggregates, poor inferred to very poor visual porosity, no fluorescence. SILTSTONE: medium to dark red brown, minor pale grey green, dominantly argillaceous to locally very finely arenaceous, siliceous in part, micromicaceous, moderately hard to hard, subblocky to subfissile, minor splintery.

CARMICHAEL SANDSTONE (LATE ORDOVICIAN) From 490.0m to 568.0m Thickness: 77.9m TVD 490m to 536m SANDSTONE WITH RARE TO MINOR SILTSTONE. SANDSTONE: medium red brown, clear to translucent, off white, minor

translucent pink and pale yellow, dominantly fine to medium grained, occasionally coarse grained, moderately well sorted, subrounded to rounded, trace subangular, moderately strong siliceous cement, rare weak calcareous cement, occasional medium red brown argillaceous matrix, rare lithics, moderately hard to occasionally hard aggregates, loose in part, very poor to poor visual and inferred porosity, no fluorescence. SILTSTONE: medium to dark red brown, argillaceous to very finely arenaceous, trace dark lithics, firm to moderately hard, subblocky.

536m to 568m SANDSTONE WITH MINOR INTERBEDDED SILTSTONE. SANDSTONE: medium to dark red brown, trace off white to pale pink, rare

translucent to pale yellow brown, very fine to fine grained, rare medium grained, moderately well sorted, subangular to subrounded, moderately strong to strong siliceous cement, rare weak dolomitic cement, abundant red brown silty matrix, trace micromicaceous, rare lithics, hard to very hard aggregates, trace loose grains, tight to very poor visual porosity, very poor inferred porosity, no fluorescence. SILTSTONE: medium to dark red brown, arenaceous, commonly grading to a very fine grained sandstone, argillaceous in part, occasionally micromicaceous, minor lithic inclusions, moderately hard, subblocky to occasionally subfissile.


UPPER STOKES SILTSTONE (MIDDLE TO LATE ORDOVICIAN) From 568.0m to 812.5m Thickness: 242.2m TVD 568m to 581m INTERBEDDED AND INTERLAMINATED SANDSTONE AND SILTSTONE. SANDSTONE: medium to dark red brown, minor off white to pale green grey,

very fine to fine grained, moderately well sorted, subrounded, moderately strong to strong siliceous cement, minor weak calcareous/dolomitic cement, common to abundant red brown silty matrix, minor lithics, trace micromicaceous, hard aggregates, rare loose, tight to very poor visual and inferred porosity, no fluorescence. SILTSTONE: medium to dark red brown, minor medium green grey, occasionally mottled, argillaceous to commonly arenaceous, grading to a very fine grained sandstone in part, micromicaceous in part, minor lithics, hard to very hard, subblocky to minor subfissile.

581m to 641m SILTSTONE WITH TRACES OF SANDSTONE. SILTSTONE: medium to dark red brown, medium grey green, locally mottled,

argillaceous to minor very finely arenaceous, slightly dolomitic in part, occasionally micromicaceous, rare lithics, moderately hard to hard, subblocky to subfissile, fissile in part. SANDSTONE: translucent to off white, pale grey to pale pink, very fine grained, well sorted, subangular to subrounded, strong siliceous cement, trace pale pink silty matrix, moderately hard to hard, tight to very poor visual porosity, no fluorescence.

641m to 812.5m SILTSTONE WITH TRACES OF SANDSTONE. SILTSTONE: medium to dark red brown, pale to medium green grey, mottled

in part, argillaceous to locally very finely arenaceous, occasionally dolomitic, micromicaceous in part, occasional dark lithics, moderately hard to locally very hard, subblocky to subfissile. SANDSTONE: pale grey to off white, occasionally clear, very fine to occasionally fine grained, moderately well sorted, subangular to subrounded, strong siliceous cement, occasional grey silty matrix, hard aggregates to rare loose grains, tight visual to poor inferred porosity, no fluorescence.


LOWER STOKES SILTSTONE (MIDDLE ORDOVICIAN) From 812.5m to 886.5m Thickness: 68.8m TVD 812.5m to 886.5m SILTSTONE WITH MINOR DOLOMITE. SILTSTONE: medium to dark grey, medium to dark green grey, commonly

medium to dark red brown (decreasing with depth), trace dark brown, argillaceous to occasionally very finely arenaceous, trace to locally common dolomite inclusions, dominantly hard to occasionally very hard, subblocky to subfissile, trace fissile. DOLOMITE: translucent to off white, commonly pale grey to pale green grey, trace pale ren brown, micritic, arenaceous in part and grading to a dolomitic sandstone, dominantly cryptocrystalline to trace microcrystalline, very hard, locally common quartz inclusions, subblocky to occasionally subfissile.

UPPER STAIRWAY SANDSTONE (MIDDLE ORDOVICIAN) From 886.5m to 955.5m Thickness: 61.0m TVD 886.5m to 902m SILTSTONE WITH INTERBEDDED AND INTERLAMINATED SANDSTONE, MINOR DOLOMITE. SILTSTONE: pale to medium grey, pale to medium green grey, medium brown

grey, argillaceous to very finely arenaceous, grading to very fine grained sandstone in part, micromicaceous in part, trace disseminated pyrite, moderately hard to hard, subblocky to subfissile. SANDSTONE: off white to pale grey, occasionally translucent to clear, very fine to fine grained, well sorted, subangular to subrounded, strong siliceous cement, occasional quartz overgrowths, rare off white argillaceous matrix, occasional lithics, hard, tight to very poor visual porosity, no fluorescence. DOLOMITE: translucent, off white to pale grey, micritic, arenaceous with common quartz inclusions, crystalline to microcrystalline, moderately hard to hard, subblocky.

902m to 948.5m SANDSTONE WITH DECREASING SILTSTONE, TRACE

DOLOMITE. SANDSTONE: off white to translucent, very pale grey, minor clear, very fine

to fine grained, moderately well sorted, subrounded to minor subangular, moderately strong to strong siliceous cement, rare quartz overgrowths, occasional weak dolomite cement, minor off white to pale grey argillaceous matrix, occasional dark lithics, rarely micromicaceous, hard to very hard aggregates, rare loose grains, tight to very poor visual and inferred porosity, minor dull orange yellow mineral fluorescence only. SILTSTONE: medium to dark brown grey, occasionally pale brown grey, minor medium green grey, argillaceous to commonly arenaceous, grading in part to a very fine grained sandstone, occasionally dolomitic, micromicaceous in part, hard, subblocky to subfissile. DOLOMITE: pale brown to pale brown grey, micritic, silty and commonly grading to dolomitic siltstone, occasionally micromicaceous, hard, subblocky to subfissile.


948.5m to 955.5m SANDSTONE WITH RARE SILTSTONE. SANDSTONE: translucent to very pale grey, off white to pale grey brown,

minor clear, very fine to occasionally fine grained, well sorted, subrounded to occasionally subangular, strong siliceous cement, occasional quartz overgrowths, minor weak dolomitic cement, occasional off white argillaceous matrix, occasional to locally common dark lithics, hard to very hard, tight to very poor visual porosity, trace dull yellow orange mineral fluorescence only. SILTSTONE: medium to dark grey, argillaceous, commonly arenaceous and grading to a very fine grained sandstone, micromicaceous, hard, subblocky to subfissile.

MIDDLE STAIRWAY SANDSTONE (MIDDLE ORDOVICIAN) From 955.5m to 1075.2m Thickness: 97.9m TVD 955.5m to 982m SANDSTONE WITH INTERBEDDED SILTSTONE (SANDSTONE DECREASING WITH DEPTH). SANDSTONE: pale grey to pale grey brown, off white to translucent in part,

dominantly very fine to occasionally fine grained, well sorted, subrounded to occasionally subangular, strong to very strong siliceous cement, occasional dolomitic cement, weak to common pale grey brown silty matrix, commonly grading to an arenaceous siltstone, occasional dark lithics, rarely micromicaceous, hard to very hard, tight visual porosity, no fluorescence. SILTSTONE: medium brown grey, minor dark to very dark grey, arenaceous, commonly grading to a very fine grained sandstone, locally argillaceous, micromicaceous, occasional disseminated pyrite, hard, subblocky to subfissile.

982m to 1006m SILTSTONE WITH MINOR INTERBEDDED SANDSTONE. SILTSTONE: dark to very dark grey, argillaceous to arenaceous, grading to a

very fine grained sandstone in part, weakly dolomitic, common to locally abundant micromica, hard to very hard, subfissile to fissile, occasionally subblocky. SANDSTONE: pale to medium grey brown, very fine grained, commonly grading to an arenaceous siltstone, well sorted, subrounded, very strong siliceous cement, occasional to locally common pale grey silty matrix, occasional dark lithics, very hard, tight visual porosity, no fluorescence.

1006m to 1052m SILTSTONE WITH OCCASIONAL SANDSTONE INTERBEDS. SILTSTONE: medium to very dark grey, dark brown grey, arenaceous,

commonly grading to a very fine grained sandstone, argillaceous in part, occasionally micromicaceous, hard to very hard, subblocky to occasionally subfissile. SANDSTONE: translucent to pale grey brown, very fine to fine grained, commonly grading to an arenaceous siltstone, well sorted, subangular to subrounded, very strong siliceous cement, minor dolomite cement, minor to locally common pale grey silty matrix, occasional dark lithics, moderately hard to hard, tight visual porosity, no fluorescence.


1052m to 1075.2m SILTSTONE WITH INTERBEDDED AND INTERLAMINATED SANDSTONE. SILTSTONE: medium to dark grey, medium to dark brown grey, argillaceous,

commonly arenaceous and grading to a very fine grained sandstone, commonly micromicaceous, hard, subblocky to occasionally subfissile. SANDSTONE: pale grey, translucent, occasionally pale grey brown, very fine to fine grained, well sorted, subrounded, very strong siliceous cement, occasional dolomite cement, occasional pale grey silty matrix, grading to an arenaceous siltstone in part, occasional dark grey lithics, very hard, occasional loose grains, tight visual and inferred porosity, no fluorescence.

LOWER STAIRWAY SANDSTONE (2) (MIDDLE ORDOVICIAN) From 1075.2m to 1138.0m Thickness: 47.8m TVD 1075.2m to 1138m SANDSTONE WITH INTERBEDDED SILTSTONE, TRACE

DOLOMITE. SANDSTONE: off white, occasionally pale grey, clear to translucent, very fine

to fine grained, occasionally medium grained, minor coarse grained, poorly sorted, subrounded to subangular, angular in part, weak to strong siliceous cement, locally common white to pale grey argillaceous/silty matrix, trace mica flakes, moderately hard to hard aggregates, loose in part, tight to poor visual and inferred porosity, no fluorescence. SILTSTONE: medium to dark brown grey, dark to very dark grey, arenaceous, commonly grading to a very fine grained sandstone, minor argillaceous, trace dolomitic, micromicaceous in part, occasional disseminated pyrite, hard, subblocky to subfissile. DOLOMITE: cream to off white, very pale grey brown, micritic, silty in part, microcrystalline, hard to very hard, blocky.

LOWER STAIRWAY SANDSTONE (1) (MIDDLE ORDOVICIAN) From 1138.0m to 1175.0m Thickness: 26.8m TVD 1138m to 1156m SANDSTONE WITH OCCASIONAL SILTSTONE INTERBEDS. SANDSTONE: off white to pale grey, clear to translucent, very fine to fine

grained, commonly medium to coarse grained, poorly sorted, subangular to subrounded, minor rounded, weak to locally moderately strong siliceous cement, minor dolomitic cement, occasional to locally common white argillaceous matrix, minor grey silty matrix, minor lithics, friable to moderately hard aggregates, common loose grains, tight to very poor visual porosity, poor to occasionally fair inferred porosity. SILTSTONE: dark to very dark grey, occasionally dark grey brown, dominantly arenaceous and grading to a very fine grained sandstone, occasionally argillaceous, micromicaceous, hard, subblocky to occasionally subfissile.


1156m to 1166m SANDSTONE WITH MINOR INTERBEDDED SILTSTONE. SANDSTONE: clear to translucent, translucent grey, off white to pale grey

brown, very fine to fine grained, commonly medium to occasionally coarse grained, poorly sorted, subangular to subrounded, minor rounded, angular in part, weak to locally strong siliceous cement, trace dolomite cement, occasional white to pale grey argillaceous/silty matrix, trace lithics, trace micromicaceous, loose in part to dominantly hard aggregates, very poor to tight visual porosity, poor to occasionally fair inferred porosity, minor dull yellow mineral fluorescence only. SILTSTONE: dark to very dark grey, dark brown grey in part, arenaceous, commonly grading to a very fine grained sandstone, argillaceous in part, occasionally micromicaceous, minor disseminated pyrite, rarely dolomitic, hard to locally very hard, subblocky to subfissile.

1166m to 1175m SANDSTONE WITH OCCASIONAL SILTSTONE INTERBEDS (INCREASING WITH DEPTH). SANDSTONE: translucent to pale grey, off white to pale brown, minor clear,

very fine to fine grained, minor medium grained, moderately sorted, subrounded to subangular, moderately strong to strong siliceous cement, minor dolomitic cement, occasional off white argillaceous matrix, rare lithics, hard, minor loose grains, very poor visual and inferred porosity, occasional dull yellow mineral fluorescence only. SILTSTONE: medium to very dark grey, medium grey brown, very finely arenaceous to argillaceous in part, rarely dolomitic, commonly micromicaceous, occasional disseminated pyrite, hard, subblocky to subfissile.

HORN VALLEY SILTSTONE (EARLY ORDOVICIAN) From 1175.0m to 1270.0m Thickness: 59.5m TVD 1270m to 1234m SILTSTONE WITH OCCASIONAL SANDSTONE INTERBEDS

(DECREASING WITH DEPTH), MINOR LIMESTONE. SILTSTONE: dark brown grey to dark grey, very dark grey in part,

argillaceous to occasionally very finely arenaceous, locally dolomitic, micromicaceous in part, occasional disseminated pyrite, rare lithics, moderately hard to hard, subblocky to occasionally subfissile. SANDSTONE: medium brown grey, very fine to occasionally fine grained, well sorted, subrounded, strong siliceous cement, minor dolomitic cement, rare off white argillaceous matrix, trace lithics, hard, tight visual porosity, no fluorescence. LIMESTONE: pale to medium brown grey, white, translucent brown, commonly mottled, micritic, dolomitic in part, occasional fossil (shell) fragments, occasional very fine sand inclusions, microcrystalline to crystalline in part, hard, subblocky to blocky.


1234m to 1255m SILTSTONE WITH MINOR LIMESTONE, TRACE SANDSTONE. SILTSTONE: dark brown grey, dark grey to very dark grey, minor pale to

medium grey, very finely arenaceous, argillaceous in part, occasionally dolomitic, micromicaceous, occasional disseminated pyrite, hard, subblocky to subfissile. LIMESTONE: medium brown grey, off white to translucent brown, micritic, dolomitic in part, commonly silty, microcrystalline to crystalline in part, hard, subblocky to blocky. SANDSTONE: pale grey brown, very fine grained, well sorted, subrounded, strong siliceous cement, occasional dolomitic cement, minor pale grey argillaceous matrix, trace lithics, hard, tight visual porosity, no fluorescence.

1255m to 1270m SILTSTONE WITH MINOR LIMESTONE, TRACE SANDSTONE. SILTSTONE: dark to very dark grey, very finely arenaceous to commonly

argillaceous, dolomitic in part, locally micromicaceous, occasional disseminated pyrite, moderately hard to hard, subblocky to subfissile, fissile in part. LIMESTONE: translucent brown grey, micritic, occasionally dolomitic, silty in part, occasional very fine sand inclusions, trace glauconite, microcrystalline to occasionally crystalline, hard, subblocky. SANDSTONE: pale grey brown, very fine grained, well sorted, subrounded, strong siliceous cement, occasional dolomitic cement, minor pale grey argillaceous matrix, trace lithics, hard, tight visual porosity, no fluorescence.

PACOOTA SANDSTONE (P1 UNIT) (EARLY ORDOVICIAN) From 1270.0m to 1366.6m TD Thickness: +62.0m TVD 1270m to 1295m SANDSTONE WITH INTERBEDDED SILTSTONE. SANDSTONE: pale to medium grey brown, very fine to fine grained, well

sorted, subrounded to subangular, strong siliceous cement, rare dolomitic cement, common pale grey silty matrix, common dark green glauconite, rare disseminated pyrite, hard to very hard aggregates, tight visual porosity, no fluorescence. SILTSTONE: dark to very dark grey, very finely arenaceous to occasionally argillaceous, dolomitic in part, locally micromicaceous, occasional glauconite, hard, subblocky to subfissile.


1295m to 1302m SANDSTONE WITH MINOR SILTSTONE. SANDSTONE: translucent, pale to medium grey, pale to medium brown, very

fine to fine grained, occasionally medium to trace coarse grained, moderately sorted, subrounded to subangular, occasionally rounded, moderately strong to strong siliceous cement, minor off white to pale grey brown argillaceous matrix, locally common disseminated pyrite, minor dark lithics, moderately hard to hard aggregates, occasionally loose, very porosity to poor visual and inferred porosity, no fluorescence. With depth translucent, pale to medium grey brown, very fine to medium grained, dominantly fine grained, moderately sorted, subrounded to rounded, subangular in part, moderately strong siliceous cement, trace off white argillaceous matrix, dominantly loose, minor moderately hard to hard aggregates, poor to occasionally fair inferred porosity, very poor to poor visual porosity, no fluorescence. SILTSTONE: dark brown grey, locally very dark grey, arenaceous, commonly grading to a very fine grained sandstone, argillaceous in part, common disseminated pyrite, occasionally micromicaceous, rare glauconite, hard to very hard, subblocky to subfissile.

1302m to 1345m SANDSTONE WITH INTERBEDDED SILTSTONE. SANDSTONE: clear to translucent, pale to minor medium grey, minor off

white, very fine to medium grained, dominantly fine grained, moderately well sorted, subangular to subrounded, minor rounded, moderate to locally strong siliceous cement, trace to occasional white argillaceous and grey silty matrix, occasional glauconite grains, moderately hard to very hard aggregates, loose in part, poor to very poor visual and inferred porosity, no fluorescence. SILTSTONE: dark grey to dark grey brown, argillaceous, occasionally very finely arenaceous, occasional to locally common disseminated pyrite, minor pyrite nodules, hard, subblocky to occasionally subfissile.

1345m to 1365m SANDSTONE WITH INTERBEDDED SILTSTONE. SANDSTONE: translucent to clear, pale grey brown, very fine to fine grained,

rare medium to coarse grained, moderately sorted, subrounded to subangular, moderately strong siliceous cement, minor off white argillaceous matrix, trace lithics, dominantly loose, occasional moderately hard aggregates, poor to rare fair inferred porosity, very poor visual porosity, no fluorescence. SILTSTONE: dark to very dark brown grey, rare very dark grey, argillaceous to very finely arenaceous, commonly micromicaceous, occasional disseminated pyrite, hard, subfissile to subblocky.

1365m to 1366.6m SANDSTONE WITH OCCASIONAL INTERBEDDED SILTSTONE. SANDSTONE: pale to medium grey brown, occasionally translucent to minor

clear, very fine to fine grained, minor medium to rare coarse grained, moderately sorted, subangular to subrounded, strong siliceous cement, occasional pale grey brown silty matrix, minor dark lithics, hard to very hard aggregates, occasionally loose, very poor to poor visual and inferred porosity, no fluorescence. SILTSTONE: dark to very dark brown grey, rare very dark grey, argillaceous to very finely arenaceous, generally as above.


APPENDIX I (b): HYDROCARBON SHOW REPORTS

No oil shows were recorded in East Mereenie 43.


APPENDIX I(c): SIDEWALL CORES

No sidewall coring was performed in East Mereenie 43.


APPENDIX II: PALYNOLOGY REPORT

No palynology data is available for East Mereenie 43.


APPENDIX III: CORE DATA

No cores were cut in East Mereenie 43.


APPENDIX IV: LOG INTERPRETATION


APPENDIX IV(a): LOG ANALYSIS No log analysis has been performed for East Mereenie 43 (the SBT-GR-CCL log is the only data available at present). Wireline logs post completion (MPLT-PDK-GR) will be run at a later date.


APPENDIX IV(b): FMT PRESSURE SURVEY DATA

No FMT Pressure Survey was run in East Mereenie 43.


APPENDIX IV(c): FIELD ELECTRIC LOG REPORT An FELR for the intermediate logging run (SBT-GR-CCL, gauge ring/junk basket) is included here.


Santos (A.B.N. 80 007 550 923)

FIELD ELECTRIC LOG REPORT

WELL: East Mereenie 43 GEOLOGIST: R. Lowman

LOGGING ENGINEER: Novikoff/Keetch

SUITE/RUN NO: 1/1 DATE LOGGED: 29 October 2004

DRILLERS DEPTH: 1255m LOGGERS DEPTH: 1255m

ARRIVED ON SITE: 15:00 hrs, 22/10/04

ACTUAL LOG TIME: 8 hrs 15 min LOST TIME LOGGER: Nil

TOTAL TIME: 8 hrs 15 min LOST TIME OTHER: Nil

TYPE OF LOG SBT-GR-CCL GAUGE RING/JUNK BASKET

TIME CIRC. STOPPED 02:30 hrs, 29/10/04 02:30 hrs, 29/10/04

TIME TOOL RIG UP 06:15 hrs, 29/10/04 12:00 hrs, 29/10/04

TIME TOOL RIH 07:30 hrs, 29/10/04 12:30 hrs, 29/10/04

TIME TOOL RIG DOWN 12:00 hrs, 29/10/04 14:30 hrs, 29/10/04

TOTAL TIME 5 hrs 45 min 2 hrs 30 min

TYPE OF LOG SUITE/ RUN

FROM TO REPEAT SECTION TIME SINCE LAST

CIRCULATION

BHT

SBT-GR-CCL 1/1 1252.5m 20m 1250m- 1200m 6.5 hrs 122°F

GAUGE RING/JUNK BASKET

1/2 1254m 20m -

- -

MUD SYSTEM: Gel/ Polymer WEIGHT: 10.9 HOLE CONDITIONS: Logs run in cased hole. REMARKS / RECOMMENDATIONS / LOST TIME ISSUES: No lost time attributed to Baker Atlas.

EXPLXS/East Mereenie 43_WCR.doc/33

WELLSITE LOG QUALITY CONTROL CHECKS LOG ORDER FORM OK MUD SAMPLE RESISTIVITY - TOOL NO. / CODE CHECK OK OFFSET WELL DATA - CABLE DATA CARD OK LOG SEQUENCE CONFIRM. OK

LOG TYPE CCL GR REMARKS

CASING CHECK Y Y SCALE CHECK Y Y Y DEPTH Casing Total Y Y CALIBRATIONS OK Y Y Y REPEATABILITY Y Y Y LOGGING SPEED Y Y Y OFFSET WELL Repeatability NOISY / MISSING DATA N CURVES/LOGS Depth Matched Y Y Y Rm MEASUREMENT LLS / LLD / CHECK PEF/ RHOB CHECK LOG HEADER / TAIL Y Y Y PRINT/FILM QUALITY Y Y Y COMMENTS:

1) 7 casing set at 1255m (D). No previous logging runs recorded. 2) No scraper run performed prior to logging. 3) Maximum hole deviation 48.5° at 1237m. Maximum bottom hole temperature recorded was 122°F. 4) Gauge ring/junk basket run after SBT-CCL-GR.

ENGINEERS COMMENTS (If this report has not been discussed with the Engineer state reason)


APPENDIX V: GEOTHERMAL GRADIENT No bottom hole temperature has been extrapolated for East Mereenie 43 due to the limited temperature data available for the well. Based on a regional temperature gradient of 1.30°F/30m, a bottom hole temperature of 139°F has been calculated for East Mereenie 43.


APPENDIX VI: DEVIATION DATA


DEPTH INCLIN Azimuth (true) TVD TVD Northing Easting Q Vert Vert Displ Direction m DEG DEG m S/S m north east DEG Sect Plane (offset) (true) 0 0.00 0.00 0.00 -791.64 0.00 0.00 0.00000 0.00 0 0.00 0.00 28 0.25 0.00 28.00 -763.64 0.06 0.00 0.00435 0.05 -0.0544 0.06 360.00 68 0.75 0.00 68.00 -723.64 0.41 0.00 0.00871 0.37 -0.3654 0.41 360.00 143 0.5 52.00 142.99 -648.65 1.10 0.26 0.01034 1.10 -1.0994 1.13 13.16 198 0.75 91.00 197.99 -593.65 1.24 0.81 0.00835 1.47 -1.4747 1.48 32.97 296 1.75 9.00 295.97 -495.67 2.71 1.68 0.03149 3.18 -3.1791 3.19 31.82 350 3.5 11.00 349.91 -441.73 5.14 2.13 0.03056 5.55 -5.548 5.57 22.46 405 3 212.00 404.88 -386.76 5.57 1.68 0.11154 5.73 -5.7282 5.82 16.81 467 2.25 199.00 466.82 -324.82 3.04 0.43 0.01665 2.91 -2.9067 3.07 7.98 510 3 170.00 509.77 -281.87 1.14 0.35 0.02619 1.17 -1.1721 1.19 16.98 615 3.75 94.00 614.64 -177.00 -1.81 4.25 0.07322 0.32 -0.319 4.62 113.04 656 5 45.00 655.53 -136.11 -0.64 6.85 0.06631 2.54 -2.5429 6.88 95.32

722.7 11.75 47.00 721.48 -70.16 6.06 13.88 0.11788 11.70 -11.7 15.15 66.43 827 20.75 35.00 821.54 29.90 28.49 32.29 0.16684 40.04 -40.041 43.06 48.58 846 22.75 32.00 839.18 47.54 34.36 36.17 0.03991 47.04 -47.035 49.89 46.47 932 30.5 27.00 916.01 124.37 67.96 54.92 0.14068 85.49 -85.488 87.38 38.94 980 34.75 23.00 956.44 164.80 91.42 65.80 0.08313 111.33 -111.33 112.64 35.74 1037 37.25 21.00 1002.55 210.91 122.49 78.33 0.04820 144.70 -144.7 145.39 32.60 1103 41.25 20.00 1053.32 261.68 161.88 93.40 0.11789 186.63 -186.63 186.89 29.98 1189 46.75 18 1115.16 323.52 218.35 112.79 0.09898 245.76 -245.76 245.76 27.32 1237 48.75 16 1147.43 355.79 252.33 123.17 0.04341 280.74 -280.74 280.78 26.02


East Mereenie 43 Vertical Section @ 27 Deg

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East Mereenie 43 - Plan View

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APPENDIX VII: OPEN HOLE FLOW TEST DATA

Enclosed are reports for FT 1 and FT 2.


Santos A.B.N. 80 007 550 923

FLOW TEST REPORT

WELL: East Mereenie 43 FT NO: 1 DATE: 30/10/04 INTERVAL: 1255m - 1301m (Driller) FORMATION: Pacoota P1-40 thru P1-80 TEST TYPE: Open Hole Flow Test Separator: No Type: - Rmf: - CUSHION: Nil Rw: - Tracer: Nil GEOLOGIST: R. Lowman Time Circulation Stopped: -

REMARKS ELAPSED/ REAL TIME (MIN)

REMARKS/ PRESSURES

ELAPSED/ REAL TIME (MIN)

REMARKS/ PRESSURES


REMARKS/ PRESSURES

0 (22:00) Divert thru rig manifold, no choke, 3” ID line 43 psi, 26°C.

15 (22:15) 42 psi, 28°C. 30 (22:30) 42 psi, 25.5°C. 45 (22:45) 42 psi, 27°C. 60 (23:00) 41.5 psi, 27°C. 75 (23:15) 40.5 psi, 27°C. 90 (23:30) 40.5 psi, 27°C.

105 (23:45) 40 psi, 27°C. Divert to blooie line

SURFACE FLOW SUMMARY

CHOKE SIZE (IN)

SEPARATOR

GAS TO SURFACE

(MIN)

FLOWING TIME

MAXIMUM SURFACE PRESSURE

FINAL GAS RATE

(MMCFD)

FINAL LIQUIDS

RATE

FIELD GAS ANALYSIS

3” - 105 min 43 psig 7.1 - 78:15:5:2 %. (decr to 40)

FIELD DOWNHOLE PRESSURE DATA

PANEX INTERVAL INSIDE RECOVERY TIMES DEPTH Ft N/A INITIAL HYDROSTATIC psig 1ST - INITIAL FLOW psig 105 min 1ST - FINAL FLOW psig 1ST - CLOSED IN psig 2ND - INITIAL FLOW psig 2ND - FINAL FLOW psig 2ND - CLOSED IN psig FINAL HYDROSTATIC psig TEMPERATURE °F


- 2 - WELL: East Mereenie 43 FT NO: 1 DATE: 30/10/04

RECOVERY REVERSE CIRCULATED PULLED RECOVERY: N/A

SAMPLE DATA GAS/CONDENSATE SAMPLE NO BOMB NO TYPE SOURCE PRESS/TEMP

Nil OIL/CONDENSATE FILTRATE

SAMPLE TYPE SAMPLE RMF TRACER CL (PPM)

Nil Nil

WATER SAMPLE NO TYPE RW REMARKS

Nil REMARKS: Open hole flow test of the Pacoota P1-40 through P1-80 sands. Flowed through 3” ID line in rig choke manifold. FT 1 achieved a flow rate of 7.1 MMCFD (decreasing) calculated after 105 minutes (40 psig flowing pressure, 27°C flowing temperature, 0.75 gas gravity). Gas appears liquids rich. No gas samples were taken. Test performed while changing out rotating head rubber.


Santos A.B.N. 80 007 550 923

FLOW TEST REPORT

WELL: East Mereenie 43 FT NO: 2 DATE: 31/10/04 INTERVAL: 1255m - 1366.6m (Driller) FORMATION: Pacoota P1-40 thru P1-280 TEST TYPE: Open Hole Flow Test Separator: No Type: - Rmf: - CUSHION: Nil Rw: - Tracer: Nil GEOLOGIST: R. Lowman Time Circulation Stopped: -

REMARKS ELAPSED/ REAL TIME (MIN)

REMARKS/ PRESSURES


REMARKS/ PRESSURES


REMARKS/ PRESSURES

0 (19:00) Divert thru rig manifold, 2 1/16” choke on BOP’s 182 psi, 25°C.

60 (20:00) 183 psi, 25°C. 120 (21:00) 182 psi, 25.5°C. 180 (22:00) 183 psi, 25°C.

End of test

SURFACE FLOW SUMMARY

CHOKE SIZE (IN)

SEPARATOR

GAS TO SURFACE

(MIN)

FLOWING TIME

MAXIMUM SURFACE PRESSURE

FINAL GAS RATE

(MMCFD)

FINAL LIQUIDS

RATE

FIELD GAS ANALYSIS

2 1/16” - 180 min 183 psig 15.3 - 81:11:6:2 %.

FIELD DOWNHOLE PRESSURE DATA

PANEX INTERVAL INSIDE RECOVERY TIMES DEPTH Ft N/A INITIAL HYDROSTATIC psig 1ST - INITIAL FLOW psig 180 min 1ST - FINAL FLOW psig 1ST - CLOSED IN psig 2ND - INITIAL FLOW psig 2ND - FINAL FLOW psig 2ND - CLOSED IN psig FINAL HYDROSTATIC psig TEMPERATURE °F


- 2 - WELL: East Mereenie 43 FT NO: 2 DATE: 31/10/04

RECOVERY REVERSE CIRCULATED PULLED RECOVERY: N/A

SAMPLE DATA GAS/CONDENSATE SAMPLE NO BOMB NO TYPE SOURCE PRESS/TEMP

Nil OIL/CONDENSATE FILTRATE

SAMPLE TYPE SAMPLE RMF TRACER CL (PPM)

Nil Nil

WATER SAMPLE NO TYPE RW REMARKS

Nil REMARKS: Open hole flow test of the Pacoota P1-40 through P1-280 sands. Further gas influx increase observed upon penetration of the P1-280 sand at 1365m. Flowed through rig choke manifold, measured through 2 1/16” choke on BOP’s. FT 2 achieved a flow rate of 15.3 MMCFD (stabilised) calculated after 180 minutes (183 psig flowing pressure, 25°C flowing temperature, 0.75 gas gravity). Gas appears to be liquids rich. No gas samples were taken. Test performed while preparing lubricator for installation.


APPENDIX VIII: HYDROCARBON ANALYSIS

No hydrocarbon samples were sent for analysis from East Mereenie 43.


APPENDIX IX: WATER ANALYSIS

No water samples were sent for analysis from East Mereenie 43.


APPENDIX X: WELL LOCATION SURVEY N.B. As the final survey had not been completed at the time of writing this report, the preliminary

has been included.

If this transmission is incomplete or illegible, please phone (08) 8364 1000 or fax (08) 8364 0904 The information contained in this facsimile is Confidential and may also be Legally Privileged, intended only for the addressee. If you are not the addressee, copying or any use of the information is strictly prohibited. If you are not the addressee, please notify us immediately and we will arrange for the return of this document to us. Form QF_2204.doc (Rev 4) 22/07/03

Licensed & EngineeringSurveyors Land & Property Development Project Management Geographic Information Management Petroleum Infrastructure Survey & Design

FYFE SURVEYORS PTY LTD ACN 062 592 465

Adelaide Head Office 143 Fullarton Road Rose Park, South Australia 5067 telephone 08 8364 1000 facsimile 08 8364 0904 email [email protected]

Moomba Office telephone & facsimile 08 8675 6639 email [email protected]

Ballera Office telephone & facsimile 07 4655 4577 email [email protected] PREPARED LEASE GROUND

LEVEL ADVICE

Santos

Mr A PIETSCH Santos Geology Operations Fax (08) 8224 7962 Telephone (08) 8224 7957 Email [email protected]

Ms K BATCHELOR Santos Drilling Department (Adelaide) Fax (08) 8224 7864 Telephone (08) 8224 7289 Email [email protected]

Simon Liebelt / Geoffrey Allen FYFE Adelaide Fax (08) 8364 0904 Telephone (08) 8364 1000 Email: [email protected] [email protected]

WELL NAME East Mereenie #43

Well Location NT ⌧

Cellar prepared yes ⌧ no

Cell spudded yes no ⌧

Rig released yes no ⌧ GROUND ELEVATION ON THE PREPARED LEASE

784.02 metres (AHD)

SA only ( + ) / 0.3048 = feet (MSL)

Interpolated natural surface elevation at this lease location

from seismic database n/a metres (AHD)

ESTABLISHED BENCH MARKS Identified as ------------- RL metres (AHD)Identified as ------------- RL metres (AHD)

Approximate Distance to:

Datum BM Name WM16 Distance to 5 km’s

Check BM Name F14 Distance to 0.5 km’s

BM horizontal control completed yes no ⌧ Rig road logged yes ⌧ no

ORIGINAL PEGGED LOCATION

Scout Number n/a

Date Pegged 4/08/2004

Geographic Co ordinates (GDA 94)

Latitude 24°00'44.4"S

Longitude 131°34'37.6"E

Grid Co ordinates (MGA 94)

Easting 762 155.3

Northing 7 342 007.7

LEASE BUILD Prepared lease location has been confirmed at the previously pegged location

yes no

Date of Survey 4/10/2004

Fyfe Instruction No. 10630/42

Surveyor Joe D’Aloia

E-mailed/Faxed: Transmission No: Email




APPENDIX XI: DRILLING: FINAL WELL REPORT

Drilling Data Appendix

EAST MEREENIE 43

Report Compiler : Chris SchmicklDate of Issue : January 2005

Section 1 : Well Summary

- Summary Sheet

- Time vs. Depth Curve

'Copyright IDS 2004', 20040519 (ks&jg),santos_FWR.xsl (parent/child V1.0)

Well Summary

Country : Australia

Field : Mereenie

Block :

Well : EAST MEREENIE 43

Well Type : DEV

Operating Company : Santos Limited

Rig : OD&E #16

Latitude : 24 Deg 00 Min 44.40 Sec

Longitude : 131 Deg 34 Min 37.60 Sec

RT above GL : 7.62m

G.L. Elevation : 784.02m

Planned TD : 1351.0m

Actual TD : 1366.6m

Spud Date / Time : 11 Oct 2004 / 13:30

TD Reached Date / Time : 31 Oct 2004 / 08:30

Rig Released Date / Time : 02 Nov 2004 / 21:00

Total Days Since Spud : 22.31

Total Days on Operations : 26.88

Santos Limited EAST MEREENIE 43


ce0ent

EAST MEREENIE 43TIME v DEPTH CURVE

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Actual EM 43

DRILLING SUMMARYDrilling Rig: ODE 16Move From: Palm Valley 11Rig Move Distance: 160 km Spud Well: 13:30 hrs 11/10/2004 Rig Release: 21:00 hrs 2/11/2004 Current Date: 06:00 hrs 3/11/2004Current Depth: 1366.6 mPrognosed TD: 1351 m MD / 1273 m TVDCurrent Operation: Rig Released.Days From Spud: 22.31Daily Cost: Cum Cost: Est Final Cost: NOPE Cost: . Project Number: 5600028 Water source: EM 3 Turkey's nestTROUBLE TIME 0.5 hr Survey misrun1.0 hr Jack up & level mast to hole centre3.5 hrs POH to retrieve survey barrel7.0 hrs POH to unblock scale from floats3.5 hrs Change out leaking rotating head rubber10.5 hrs Wait on Baker packer resetting tool1.5 hrs Repin/reset packer ------------------------------------------------------------ 27.5 hrs TOTAL TROUBLE TIME

FinalRun & cement 16" conductor at 32.9 m

Trip for insert bit

Trip for hammer bit

Trip for insert bit

Trip for insert bit

Run & cement 10-3/4" casing at 635.5 m

FIT: 17.1 ppg EMW

Bit trip

Bak

er A

tlas

Run

1: S

BT

-GR

-CC

LR

un 2

: CC

l-Jun

k B

aske

t

Run & cement 7" casing at 1255 m

FIT: 17.2 ppg EMW

Bak

er A

tlas:

Set

pac

ker

@ 1

231.

8 m

TD: 1366.6 m MD

Ran

98

jnts

3-1

/2"

Fox

tubi

ng

Santos Ltd 3/11/2004 SABU Drilling Department

Section 2 : Well History

- Well History Report


Well History

# Date Depth 24 Hour Summary

1 07 Oct 2004 0m Rigging up.Drill line reeved. Generators run up.Derrick landed in saddle / headache rack.Fitting monkey board.

2 08 Oct 2004 0m Raise mast. R/u air pack. Dress derrick. Raise Vee-door assemble catwalk.Pull cables. General preparation.

3 09 Oct 2004 0m Installed stand pipe & kelly hose. Picked up swivel & changed out wash pipe. Installed Blooie line & servicedT-1180 air hammer. Spotted Howco.

4 10 Oct 2004 0m Wait on arrival of sub. Continue with preparations, maintenance, and drills. Quil sub arrived 03:00 hrs11/10/04. Made up swivel and kelly. Conduct Pre-spud checklist & PJSM.

5 11 Oct 2004 40.0m Complete rig up. Drill 12-1/4" pilot hole to 40m.Ream hole to 20".

6 12 Oct 2004 40.0m Continued to open hole to 20". POOH with hole opener. Ran & cemented 16" conductor. WOC. Installedrotating head on conductor. Installed blooie line. Made up 13-9/16" bit on air hammer. Picked up BHA.Reseated mousehole. Installed rotating head element. Drilled ahead with air hammer - mist drilling.

7 13 Oct 2004 309.0m Drilling ahead with surveys with air hammer and mist.

8 14 Oct 2004 350.0m Drill 13-9/16" hole, Circ due to compressor shutdown, Drill 13-9/16" hole, POOH f/- bit change, RIH, Ream f/-326 to 334 mtrs, Bed in bit, Drill 13-1/2" hole, Circulate, POOH and lay out shock sub and bit, Make uphammer bit, RIH to 350 mtrs, Unload wellbore.

9 15 Oct 2004 404.0m Unload wellbore, Bed in bit, Drill 13-1/2" hole, Circ and survey, Drill 13-1/2" hole, Service rig, Drill 13-1/2"hole, POOH f/- bit and BHA change, Lay out hammer, Pick up shock sub and 9 x 8" drill collars, RIH.

10 16 Oct 2004 498.0m RIH, Lay out 10 x singles of drill pipe, Ream, Bed in bit, Drill 13-1/2" hole, Circ and survey.

11 17 Oct 2004 617.0m Drill 13-1/2" hole, Circ and survey, Service rig, Blow hole clean, POOH f/- bit change, RIH to 171 mtrs.

12 18 Oct 2004 641.0m RIH, Ream, Drill 13-1/2" hole to TD of 641 mtrs, Circ and survey, Spot hi-vis pill on bottom, POOH and layout 12" DC, Rig down rotating head and conductor, Rig up to run casing, Hold safety meeting, Make up shoetrack, Run casing, Rig up cmt head and lines, Hold safety meeting, Pressure test surface lines, Pump waterspacer, Cement casing, Perform top up job, Wait on cement.

13 19 Oct 2004 641.0m Wait on cement, Rig down cmt hd, Slack off, Back out and lay out landing joint, Prep threads and installbraden head torque up same, Position BOP and Annular w/- crane, Lift and Install BOP stack and blooie line,Rig up scaffolding, Nipple up BOP, RIH w/- 8" DCs, POOH and lay out 8" DCs, Rig up and pressure test kellyvalves, BOP, Kill and choke line valves, Braden hd and casing to 200 psi low 5 mins, 2500 psi high 10 mins.

14 20 Oct 2004 807.0m Level mast to hole centre, Pressure test BOP, Make up 9-7/8" drilling sssy, Service break connections, RIH,Pressure test annular, Perform koomey function test, Cont RIH, Drill out shoe track and 3 mtrs new hole,Perform FIT, Drill 9-7/8" hole, Circ and survey.

15 21 Oct 2004 1017.0m Drill 9-7/8" hole, Circ and survey, Service rig, Blow hole clean, POOH f/- BHA change, RIH.

16 22 Oct 2004 1183.0m RIH, Slip drilling line, Install rotating head rubber, Cont RIH, Establish returns, Drill 8-1/2" hole, Circ andsurvey, Service rig, Drill 8-1/2" hole.

17 23 Oct 2004 1255.0m Air mist drill 8-1/2" hole to TD of 1255 mtrs, Circ and survey, Service rig, Pump water spacer, Displacewellbore to kill mud, Wiper trip, Circulate, POOH and lay out drill pipe, Flow check, Mix h/w pill, Removerotating head rubber, Cont POOH and lay out 6-1/4" drill collars.

18 24 Oct 2004 1255.0m Cont to lay out 6-1/4" drill collars, Load 4-3/4" collars and 3-1/2" HWDP on racks, Measure and caliper same,RIH service break connections, Cont RIH and wash to bottom, Circ hole clean, Flow check, POOH.

19 25 Oct 2004 1255.0m Cont POOH, Rack 3-1/2" pipe and 4-3/4" drill collars, lay out 6-1/4" drill collars, Lay out excess equipment,Move scaffolding and BOP lifting plates, Change rams, Pressure test bonnet seals, Hold safety meeting,Make up shoe track and flow test, Run 7" casing as per running list, Cirulate casing, Rig up cement head andsurface lines, Circulate casing.

20 26 Oct 2004 1255.0m Circulate casing, Conduct stage 1 cement job, Circ and wait on cement, Set slip and seal assy, Pump preflush, Conduct stage 2 cement job, Lift BOP, Cut casing, Nipple down and lay out BOP, install tubing spool,Nipple up and pressure test spool, Install 7-1/16" BOP, Nipple up BOP.

21 27 Oct 2004 1255.0m Cont to install and nipple up 7-1/16" double ram BOP, Move scaffolding as required, Cut and modify blooieline, Install fittings and koomey lines, Function test BOP stack.

22 28 Oct 2004 1255.0m Pressure test, RIH w/- BHA, Lay out 5-1/4" kelly, Pick up and make up 4-1/4" kelly, RIH, Drill out PAC valve,RIH, Drill out shoe track.

23 29 Oct 2004 1255.0m Drill out shoe track to 1254 mtrs, Circ, Pressure test lower pipe rams, POOH f/- logs, Run cement bond andjunk basket logs, Make up 6-1/8" drilling assy, RIH to 390 mtrs, Test run survey ( lost end off survey barrel ),POOH, Recover survey bbl end, RIH, Slip line, Cont RIH to 1252 mtrs.

Wellname : EAST MEREENIE 43 Drilling Co. : O D & E Rig : OD&E #16

RT above GL : 7.62m Lat : 24 Deg 00 Min 44.40 Sec Spud Date : 11 Oct 2004 Release Date : 02 Nov 2004

G.L. Elevation : 784.02m Long : 131 Deg 34 Min 37.60 Sec Spud Time : 13:30 Release Time : 21:00


# Date Depth 24 Hour Summary

24 30 Oct 2004 1301.0m Attempt to circ, POOH and unblock bit and float sub, RIH, Drill shoe and 3 mtrs new hole, Displace wellboreto water, Perform F.I.T, and koomey function test, Install rotating head rubber, Displace wellbore, Drill 6-1/8"hole, Flow well through choke, Change out rotating head rubber.

25 31 Oct 2004 1366.6m Drill 6-1/8" hole to 1366.6 mtrs (TD), Flow well, Hold safety meeting, Strip out drill string and lay down pipe,Rig down rotating head, Rig up to run casing packer, Close well in @ 23:06 hrs, Monitor pressure.

26 01 Nov 2004 1366.6m Wait on resetting tool, Hold safety meeting, Rig up riser and lubricator, RIH and set completion packer, Bleeddown wellbore, Pump 85 bbls brine, POOH w/-tools, Rig down riser and lubricator, Fill casing and pressuretest packer 2000 psi 30 mins, Rig down 7-1/16" gate valve, Rig to run 3-1/2" tubing.

27 02 Nov 2004 1366.6m Rig up and run tubing, Tag packer, Space out to land tubing, Circulate, Latch packer, Set tubing, Rig downBOP, Install wellhead, Pressure test.



G.L. Elevation : 784.02m Long : 131 Deg 34 Min 37.60 Sec Spud Time : 13:30 Release Time : 21:00


Section 3 : Drilling Data

- Bit Record

- BHA Summary

- Mud Record


Bit Record

DateOut

Bit# Sizein

Ser # IADC Mfr Type Jets #x

D.Inm

D.Outm

Prog Hrso/b

SPPpsi

Flowgpm

WOBklb

RPM MW TFA ROPm/hr

I O1 D L B G O2 R

11 Oct 2004 1RR 12.25 DQI-1 Drill-Quip Flat Hammer 7.6 40.0 32.4 2 250.00 1800.00 12.00 20.00 0.00 0 16.20 0 0 NO A 0 I TD14 Oct 2004 2 13.56 DQI 2 Drill-Quip Concave Hammer 40.0 334.0 294 15.5 0.00 3600.00 20.00 20.00 0.00 0 18.97 8 8 BT G X 2 NO PR14 Oct 2004 3 13.50 PO337 617 Hughes ATJ-44 334.0 350.0 16 5.7 250.00 2700.00 22.00 95.00 0.00 0 2.81 7 6 BT A E I CT PR15 Oct 2004 4RR 13.50 DQI-4 Drill-Quip Hammer 350.0 404.0 54 15 350.00 2700.00 20.00 0.00 0.00 0 3.60 4 6 BT A X 2 WT PR17 Oct 2004 5 13.50 M45XH 617 Hughes ATJ44 404.0 617.0 213 35.1 307.34 3600.00 55.00 40.00 0.00 0 6.07 3 4 WT A 4 I BT PR18 Oct 2004 6 13.50 M44XH 617 Hughes ATJ44 617.0 641.0 24 2.9 400.00 3600.00 45.00 40.00 0.00 0 8.28 1 1 RR A 1 I NO TD21 Oct 2004 7 9.88 U67226 537 Reed EHP53ADHKPR 641.0 1017.0 376 16.6 196.57 2700.00 41.37 70.00 0.00 0 22.65 3 6 WT S 3 1 BT PR24 Oct 2004 8 8.50 NY3281 627 Reed HP62FKPRDH 1017.0 1255.0 238 22.6 200.00 2700.00 30.00 70.00 8.60 0 10.53 4 7 WT S 3 1 CT TD31 Oct 2004 9 6.13 NR2793 637 Reed SL63DHKPR 1255.0 1366.7 111.7 15.3 570.00 2700.00 15.00 60.00 10.30 0 7.30 3 4 WT A 4 I BT TD



G.L. Elevation : 784.02m Long : 131 Deg 34 Min 37.60 Sec Spud Time: 13:30 Release Time: 21:00


BHA Record

# Length Weight WeightBlw/Jar

StringWeight

Pick-UpWeight

Slack-OffWeight

TorqueMax

Torque onBottom

Torque offBottom

BHA Description

1 22.8 14.0 14.0 14.0 14.0 0 0 0 Hole opener

2 18.0 29.0 0 78.0 0 0 0 0 BitHammer12"dcNMDC4 x 8" Dc4 x HWDP

3 91.6 27.0 78.0 79.0 78.0 4000 3500 2500 Bit, Shock sub,NMDC,4 x 8" Drill colllars , X/O, X/O, 3 x HWDP.

4 83.9 78.0 78.0 79.0 78.0 4000 3500 2500 Hammer bit, Hammer, 1 x 12" drill collar, NMDC, 4 x 8" drill collars, X/O, X/O, 3 x HWDP.

5 171.0 78.0 118.0 121.0 118.0 3100 2500 1800 Bit, 12" Square DC, Shock sub, NMDC, 13 x 8" DC, X/O, X/O, 3 x 5" HWDP

6 171.0 78.0 0 0 0 0 0 0 Bit, 12" Square DC, Shock sub, NMDC, 13 x 8" DC, X/O, X/O, 3 x 5" HWDP

7 176.0 55.0 118.0 120.0 118.0 3800 3500 2300 Bit, Near bit stab, NMDC, Wear sub, 14 x 6-1/4" Drill collars, Jars, X/O, 3 x HWDP.

8 176.1 55.0 130.0 145.0 110.0 4000 3800 3000 Bit, Near bit stab, NMDC, Wear sub, 14 x 6-1/4" Drill collars, Jars, X/O, 3 x HWDP.

9 390.8 56.0 110.0 110.0 105.0 2500 2400 2000 Bit, Bit sub, Float sub, 1 x 4-3/4" Drill collar, Profile sub, 28 x 4-3/4" Drill collars, Jars, 12 xHWDP.




Mud Recap

WBM

Date - Time Type Depth m Tmp F° MWppg

VISsec/L

PVcp

YPlb/100ft²

Gel10s(lb/100ft²) /

10m(lb/100ft²)

F.L.API cc

F.L.hthp cc

Sols Sand MBT PH Cl Hard KCl%

23 Oct 2004 - 14:00 Gel/Polymer 1254.9 0 10.90 0 20 60 15 / 28 5.5 0 19 10 10 5000 80 0

24 Oct 2004 - 17:30 Gel/Polymer 1254.9 0 10.90 0 15 36 15 / 30 5.5 0 19 10 9.5 5000 120 0

25 Oct 2004 - 23:00 Gel/Polymer 1254.9 0 10.90 0 14 37 15 / 30 5.5 0 19 10 9.5 5000 120 0

26 Oct 2004 - 23:00 Gel/Polymer 1254.9 0 10.90 0 12 25 12 / 25 5.5 0 19 10 9 5000 120 0

27 Oct 2004 - 23:00 Gel/Polymer 1254.9 0 10.90 0 12 25 12 / 25 5.5 0 19 10 9 5000 120 0

28 Oct 2004 - 23:00 Gel/Polymer 1254.9 0 10.90 0 12 25 12 / 25 5.5 0 19 10 9 5000 120 0

29 Oct 2004 - 21:00 Gel/Polymer 1254.9 0 10.30 0 10 15 5 / 9 7.0 0 14.5 7.5 8.5 4000 180 0

30 Oct 2004 - 21:00 Gel/Polymer 1254.9 0 10.30 0 10 15 5 / 9 7.0 0 14.5 7.5 8.5 4000 180 0

31 Oct 2004 - 0 0 0 0 0 0 0 0 0 / 0 0 0 0 0 0 0 0 0





LEAK OFF TEST RESULTSA.B.N. 80 007 550 923

WELL: RIG: DATE:

CASING SIZE: (inch) Santos Rig Representative

A. MUD DENSITY IN USE: 8.33 (ppg)B. HOLE DEPTH: 2112 (ft)C. SHOE DEPTH: 2085 (ft)D. LEAK-OFF PRESSURE (GRAPH): 950 (psi)E. EQUIVALENT DENSITY:

LEAK-OFF PRES. (D) (psi) + MUD DENSITY IN USE (A) (ppg) 17.1 (ppg) (EMW)SHOE DEPTH (C) (ft) x 0.052

F. MAXIMUM PRESSURE RECORDED: 950 (psi)G. VOLUME PUMPED: 32.5 (gals)H. VOLUME REGAINED: 31.5 (gals)

Gals pumped 0 10 15 25 27.5 32.5PRESSURE: 0 200 400 700 800 950

10 3/4 Wally Westman

FORM DMS F214Santos

East Mereenie 43 20/10/2004OD&E 16

LEAK OFF TEST RESULTS

0

100

200

300

400

500

600

700

800

900

1000

0 5 10 15 20 25 30 35

Volume Pumped (Gals)

Pre

ssu

re (

psi

)

Revised August 2003

LEAK OFF TEST RESULTSA.B.N. 80 007 550 923

WELL: RIG: DATE:

CASING SIZE: (inch) Santos Rig Representative

A. MUD DENSITY IN USE: 8.33 (ppg)B. HOLE DEPTH: 4127.4 (ft)C. SHOE DEPTH: 4117.6 (ft)D. LEAK-OFF PRESSURE (GRAPH): 1900 (psi)E. EQUIVALENT DENSITY:

LEAK-OFF PRES. (D) (psi) + MUD DENSITY IN USE (A) (ppg) 17.2 (ppg) (EMW)SHOE DEPTH (C) (ft) x 0.052

F. MAXIMUM PRESSURE RECORDED: 1900 (psi)G. VOLUME PUMPED: 33 (gals)H. VOLUME REGAINED: 30 (gals)

Gals pumped 0 5.3 10.6 15.9 21.2 26.5 31.8 33PRESSURE: 0 300 500 700 950 1250 1500 1900

7 Wally Westman

FORM DMS F214Santos

East Mereenie 43 30/10/2004OD&E 16

LEAK OFF TEST RESULTS

0

200

400

600

800

1000

1200

1400

1600

1800

2000

0 5 10 15 20 25 30 35

Volume Pumped (Gals)

Pre

ssu

re (

psi

)

Revised August 2003

Section 4 : Casing & Cementing Summary


Well Name: EAST MEREENIE 43Casing Type: Surface Casing Originated By: Wally Westman Checked By: C.Schmickl Date: 18 Oct 2004

Hole Size: 13.50in Total Depth: 641.00m GL-RT: 7.62m Contractor: Halliburton

PRE-FLUSH 0bbl @ 0ppg

Additives:

SPACER 20.0bbl @ 8.33ppg

Additives: Water

CEMENT ADDITIVES % Amount Units

LEAD SLURRY: 0sx

Brand / Class: /

Slurry Yield: 0cu.f/sx

Mixwater Req't: 0gal/sx

Actual Slurry Pumped: 0bbl

Density: 0ppg

Cement Top (MD): 0m

TAIL SLURRY: 635sx

Brand / Class: ABC / Class G Calcium chloride 0.5 298 lbs

Slurry Yield: 1.18cu.f/sx

Mixwater Req't: 5.18gal/sx

Actual Slurry Pumped: 133.0bbl

Density: 15.60ppg

Cement Top (MD): 0m

DISPLACEMENT Fluid: Water @ 8.33ppg

Theoretical Displ.: 200.3bbl Bumped Plug with: 480psi

Actual Displ.: 209.0bbl @ 5.0bpm Pressure Tested To: 1000psi

Displaced via: Mud pumps Bleed Back: 1.6bbl

ACTIVITY Time/Date

Start Running csg. 12:03

Casing On Bottom 17:30

Start Circulation 17:35

Start Pressure Test 18:00

Pump Preflush 18:20

Start Mixing 18:30

Finish Mixing 19:05

Start Displacing 19:10

Stop Displ./Bump 19:52

Pressure Test 19:55

Returns to Surface: 0bbl mud, 0bbl cmt

Casing Action During ---- Preflush : No Action Taken ---- Cement : No Action Taken ---- Displacement : No ActionTaken

Top Up Job run: Yes 100sx of class Class G

Wiper Plug Top: Yes

Wiper Plug Bottom: Yes

Plug Set: ............... Manufacturer: Halliburton Type: Non rotating

Centralizer Type: Bow spring Centralizer Placement Depth: 625, 605, 597, 536, 474,352, 229, 167, 106 & 44 mtrs, 2 x Cement baskets @32.5 mtrs.

CASING AND EQUIPMENT DETAILS

Stick Up -1.37m

No. Joints OD Wt Grade Comment Thread Length From To

1 10.750in 40.5lbs/ft K-55 1 x Landing joint STC 9.15m -1.37m 7.78m

50 10.750in 40.5lbs/ft K-55 50 x Joints STC 614.78m 7.78m 622.56m

1 0in 0lbs/ft Float STC 0.34m 622.56m 622.9m

1 10.750in 40.5lbs/ft K-55 1 x Joint STC 12.18m 622.9m 635.08m

1 0in 0lbs/ft Shoe STC 0.42m 635.08m 635.5m

Theoretical Bouyed wt. of casing: 0klb Bradenhead Height above GL: 0.95m

Casing wt. prior to landing csg: 105.0klb Bradenhead Description / Length: 11" X 5K X STC /0.84m

Actual wt. of casing (last joint run-block wt): 95.0klb Tubing Spool Size:

Landing wt. (after cementing and pressure bleed off): 110.0klb Setting Slips: 0klb

Cementing Job Remarks: Floats held solid.Top of cement slipping, Perform top up job by hand, 1 bulk sack Class G.No returns during the cement job.

Santos.. Santos..

CASING AND CEMENTING REPORT FORMDMS F220

'Copyright IDS 2003', J.G. 09/09/2003, SANTOS_CBU_casingcmt Page 1Printed on 01 Dec 2004

Well Name: EAST MEREENIE 43Casing Type: Intermediate Casing Originated By: W.Westman/S.Bailey Checked By: C. Schmickl Date: 26 Oct 2004

Hole Size: 8.50in Total Depth: 1255.06m GL-RT: 7.62m Contractor: Halliburton

PRE-FLUSH 40.0bbl @ 8.70ppg

Additives: SAPP 5.5 lb/bbl, NaCl 16.5 lb/bblPre flush x 2.

SPACER 5.0bbl @ 8.33ppg

Additives: H2o.Spacer x 2.

CEMENT ADDITIVES % Amount Units

LEAD SLURRY: 475sx

Brand / Class: ABC / Class G Bentonite 2.5 612 lbs

Slurry Yield: 1.82cu.f/sx Halad 322 0.9 253 lbs

Mixwater Req't: 9.86gal/sx Halad 344 0.4 112 lbs


Density: 13.20ppg

Cement Top (MD): 0m

TAIL SLURRY: 255sx

Brand / Class: ABC / Class G Halad 322 1.1 589 lbs

Slurry Yield: 1.17cu.f/sx

Mixwater Req't: 5.06gal/sx


Density: 15.80ppg

Cement Top (MD): 861.7m

DISPLACEMENT Fluid: Mud @ 10.90ppg

Theoretical Displ.: 266.0bbl Bumped Plug with: 400psi

Actual Displ.: 269.0bbl @ 4.5bpm Pressure Tested To: 3300psi

Displaced via: Rig pumps Bleed Back: 0.8bbl

ACTIVITY Time/Date

Start Running csg. 10:04

Casing On Bottom 22:07

Start Circulation 23:15

Start Pressure Test 00:24

Pump Preflush 00:10

Start Mixing 00:38

Finish Mixing 01:03

Start Displacing 01:07

Stop Displ./Bump 01:36

Pressure Test 01:48

Returns to Surface: 0bbl mud, 0bbl cmt

Casing Action During ---- Preflush : No Action Taken ---- Cement : No Action Taken ---- Displacement : No ActionTaken

Top Up Job run: No 0sx of class

Wiper Plug Top: Yes

Wiper Plug Bottom: Yes

Plug Set: ............... Manufacturer: Baker Type: Stage plugs

Centralizer Type: Bow spring Centralizer Placement Depth: 1244, 1230, 1193, 1154,1119, 1095, 1071, 1048, 1011, 964, 917, 894, 869, 812,763, 667, 860, 618, 521, 425, 329, 282, 186, 91, & 44mtrs.

CASING AND EQUIPMENT DETAILS

Stick Up -2.88m

No. Joints OD Wt Grade Comment Thread Length From To

72 7.000in 26lbs/ft K-55 72 x Joints BTC 864.57m -2.88m 861.69m

1 7.000in 0lbs/ft PAC Valve BTC 1.23m 861.69m 862.92m

1 7.000in 0lbs/ft ECP BTC 6.69m 862.92m 869.61m

25 7.000in 26lbs/ft K-55 25 x Joints BTC 297.06m 869.61m 1166.67m

1 7.000in 26lbs/ft K-55 1 x Marker joint BTC 3.02m 1166.67m 1169.69m

6 7.000in 26lbs/ft K-55 6 x Joints BTC 72.43m 1169.69m 1242.12m

1 0in 0lbs/ft Latch down collar BTC 0.27m 1242.12m 1242.39m

1 7.000in 26lbs/ft K-55 1 x Joint BTC 12.25m 1242.39m 1254.64m

1 0in 0lbs/ft Shoe BTC 0.41m 1254.64m 1255.05m

Theoretical Bouyed wt. of casing: 70.0klb Bradenhead Height above GL: 0.95m

Casing wt. prior to landing csg: 65.0klb Bradenhead Description / Length: 11" x 5k x STC /0.84m

Actual wt. of casing (last joint run-block wt): 55.0klb Tubing Spool Size: 11" x 5k x 7-1/16"5k

Landing wt. (after cementing and pressure bleed off): 80.0klb Setting Slips: 120.0klb

Cementing Job Remarks: Full returns during cement jobs.PAC valve opened and closed with calculated pressures.Densities consistant throughout the job.Floats held solid.Set slip and seal assy prior to second stage cement job, Displace wellbore via braden head valve.

Santos.. Santos..

CASING AND CEMENTING REPORT FORMDMS F220

'Copyright IDS 2003', J.G. 09/09/2003, SANTOS_CBU_casingcmt Page 1Printed on 26 Oct 2004

02/11/04

Serial No.Description Manufacturer Part No. Size/Rating Model Serial No.

Tree Cap Wood Group 2233-3 3-1/8" 5k Bowen Union N/RCrown Valve N/AFlow Cross Wood Group 305779 3-1/8" 5k x 2-1/16" 5k Studded RAO 1277/02/05Companion Flange Wood Group 307598 3-1/8" 5k 2" LP N/RCompanion Flange Wood Group N/R 2-1/16" 5k 2" LP N/RProduction Wing Valve Wood Group 324877 3-1/8" 5k 2200 J997/4 ccAdaptor Spool Wood Group N/AHi-Lo Valve Actuator Wood Group N/AHi-Lo Valve Wood Group N/AUpper Master Valve Wood Group 324877 3-1/8" 5k 2200 J997/5 ccLower Master Valve Wood Group 308143 3-1/8" 5k 2200 J260/2 cc1Adaptor Flange Wood Group 306089 7-1/16" x 3-1/8" 5k Seal Pkt. J1133/1Tubing Head Wood Group 306221 11"5k x 7-1/16" 5k W.G.TCM-X J 874-2Production Annulus Valve Wood Group 323801 2-1/16" 5k 2200 1853-3Production Annulus Valve Wood Group 323801 2-1/16" 5k 2200 1853-2Casing Spool N/AIntermediate Annulus Valve Companion FlangeCasing Head Wood Group 001001-9 11"5000x10-3/4 S.T.C. WG 22 BP J1100/2Surface Annulus Valve Wood Group 323801 2-1/16" 5k 2200 J1069/2Companion Flange Wood Group N/R 2-1/16" 5K 2" LP N/R

Casing SwageBPV PrepGeneral Comments :-

Stack Up

East Mereenie 43Report Date

ComponentsXmas Tree Assembly No.

3" H Type

Santos

Page 1

New

REVISED:

ITEM LENGTH DEPTH RT MIN. ID

No. meters (mm)

1

2

3

4

5

6

7 BOT On-Off tool L-10 overshot tool 2 7/8"EUE Box Up 58.75

BOT L-10 On-Off overshot 2 7/8" EUE Box c/w Otis X profile

8 Baker 7" Hornet EL Packer 90-70-90 elements

2 7/8" EUE Box x Pin down H646836002STD S/N01

9 1 pup Jt J55 2 7/8" 6.5# EUE

10 2 7/8" EUE Otis 11XN Landing nipple c/- collar 2.205" No-Go 56.00

11 Re-entry guide 2 7/8" EUE box x 3 1/2"

End of tubing

Notes: PX plug and prong installed in L10 on-off connector. Expect this to be 9m high than downhole indicates.The packer was wire line set at 1231.8m centre line of rubbers. Tha actual tubing strap indicatespacker to be set at 1240.32m kb centre line of rubbers.The top of tubing spool is 4' above ground level.

13 Bottom of 7" casing at 1255.05m MD / ~1158 m TVD

FRAC:

FORMATION INTERVAL (m KB) SIZE TYPE PHASE SPF TYPE WT(g) Y ?

1255.05 - 1366.6

DRAFTED BY: DATE:

Yes REVISED BY: DATE:TD @ 1366.6m RT MD CHECKED BY: DATE:

6.23

1238.75

30.08

18.82

6.53

1241.96

1239.47

1239.47

1239.00

1.89

0.43

0.28

1244.56

1244.28

1243.85

1241.96

1208.67

0.26

0.47

2.50

6.23

0.30

12.29

11.26

WELL: East Mereenie 43 DATE: 01/11/04

3-1/2" DOWNHOLE COMPLETION

OTHER:

NOT TO SCALE

PROPOSED:

PETROLEUM ENGINEERING DEPARTMENT

Pacoota P1

RE-COMPLETION:

COMPLETION:

CALCULATED STRING WEIGHT: 30000lbs + Block weight.

SLACK-OFF WEIGHT: 6000lbs COMPRESSION:

REMARKS:

ANNULUS FLUID:2% KCl 8.43 ppg sufactant F103 at .25% Biocide AUK550 at 8liters/100bbls and .25% Cronox.

INDICATED STRING WEIGHT:42000lbs

W.G. Tubing hanger 7 1/16 x 3 1/2" FOX

1 Jts 3½" 9.2# J55 FOX range 3

Pup Jts 3½" 9.2# J55 FOX 3 x 3m 1 x 1.8m 1 x .3m

GUN:

Bare foot completion

2 November 2004DATE OF INSTALLATION

12 September 2004B. McConnery

4 November 2004B. McConnery

meters

DESCRIPTION

Ian FendleyWELLSITE SUPERVISOR

97 Jts 3½" 9.2# J55 FOX tubing range 3

2 ?" EUE PIN x 3½" FOX BOX. swage J55

CHARGES:

R.T. to top of tubinghead spool

Santos Santos Ltd A.C.N 007 550 923

1

2

3

7

5

4

10

8

9

11

6 1/8" Open hole

6

13


APPENDIX XII: RIG SPECIFICATIONS


EXHIBIT A - INVENTORY FOR ODE RIG # 16

DRILLING RIG AND EQUIPMENT TO BE FURNISHED BY CONTRACTOR DRAWWORKS : One (1) Ideco ED1200 SCR Powered Drawworks. HP Rating 1200

HP, Hoisting Drum Size 25" x 50", Brake Rim Size 46" x 10-3/4", Hoisting Speed 4, Rotary Speed 2, Catheads (2 each) Make up Varco Hydraulic Type, Break out Varco Hydraulic Type. Total load w/10 Line 462,900 lbs, Dynamatic Brake Baylor Model 6032.

DRAWWORK POWER : Two (2) GE-752-DC Traction Motors complete with 10HP

explosion proof electric powered cooling blowers. ROTARY TABLE : National C-375 x 37.1/2" C/w One (1) GE752-DC Traction Motor complete with National

Transmission and 10HP Explosion Proof electric powered Cooling Blower, MPCH Master Bushing Hinged with #1,2,3 Insert Bowls.

Static Load 500 Tons SUBSTRUCTURE : Ideco One (1) Box on Box substructure. Floor Height 25 ft, Clear

Height 22 ft, Casing Capacity 450,000 lbs, Setback Capacity 250,000 lbs (concurrent), 320,000 (unloaded rotary beams).

MAST : One (1) Ideco FM136-450 Full View, Self Elevating. Clear

Height 136 ft, Base Width 24 ft, Gross nominal cap 700,000 lbs, 10 Lines 500,000 lbs, Crown 500,000 lbs Main Cluster 6 x 42" Ideco Crossover type, Groove 1-1/4", Max. windload 100 MPH - With No Setback

One (1) Stand Pipe 5" OD 5,000 psi c/w two (2) each 4" OD x

5,000 psi Stand Pipe Gate Valves and two (2) each 2" OD 5,000 psi Gate Valves.

Two (2) Tong Weights Two (2) Tong Sheaves One (1) Catline Sheave Two (2) Air Hoist Sheaves DRILLING LINE : One (1) Reel Drilling Line, 1-1/4" x 5000 ft, 6 x 19 E.I.P.S.


PRIME MOVER DRIVE DRAWWORKS Two (2) GE-752 - DC Traction Motors with 10 HP Explosion

Proof Blower Motors. TWO (2) TRIPLEX PUMPS Two (2) GE-752 - DC Traction Motors with 5 HP Explosion Proof

Blower Motors. SOUND PROOFED GENERATOR SYSTEM Three (3) Caterpillar 3512B T.A.C. diesel generator sets (Prime

Movers) One (1) Caterpillar D3304 N.A. diesel generator set (cold start) All engines have fuel and air safety shut-offs operated from

driller’s console. TRAVELLING BLOCK : One (1) Oilwell 350 W-350 complete with 350 ton Webb Wilson

hydra hook SWIVEL : National PC-400, 400 ton with 6-5/8" Regular Left Hand

Connections. KELLY : One (1) 5-1/4" x 10,000 psi Hex Kelly c/w Varco Kelly Drive

Bushing One (1) 5 ¼” x 10,000 psi Square Kelly c/w Varco Kelly Drive

Bushings TRIPLEX PUMPS : Two (2) Ideco T-800, 7" x 9" single acting pumps 800 H.P. Each powered by G.E. 752 traction motors. Note: Both Triplex pumps are capable of simultaneous

operation. Each Triplex Pump complete with the following: K-20 5000psi Pulsation Dampener One (1) 5 x 6 Centrifugal Pump Driven by 50 HP Explosion proof

Electric Motor One (1) Suction Dampener One (1) Suction Manifold One (1) 12' Vibrator Hose, 5,000 psi W.P. One (1) 5000 p.s.i. W.P. 3" shear relief valve Pump Specifications - T-800 LINERS MAX GPM PSI 7" * 675 1828 6-1/2" 582 2121 6" * 496 2488 5-1/2" 417 2960 5" 344 3588 4-1/2" 279 4425 * Preferred Liner Sizes SHALE SHAKER : Three (3) Drilling Fluid Equipment Model DFE-SCR-01 Linear

Motion Shale Shakers complete with explosion proof electric motors.


DESILTER : One (1) Harrisburg with 12 x 5" Cones. One (1) 8" x 6" Centrifugal Pump with 75 HP Explosion Proof

Electric Motor. DEGASSER : One (1) Drilco See-Flo Degasser. One (1) Poor Boy Degasser, 24" dia x 24' Long mounted on

Shaker Tank. 6-5/8” Vent Line x 20’ long. MUD HOPPER : Two (2) Venturi Mud Hoppers with Cutting Tables. Two (2) 8” x 6” Centrifugal Pumps with 100 HP Explosion Proof

Electric Motors. MUD TANKS : One (1) Shale Shaker Mud Tank, 550 barrel capacity consisting of

the following: One (1) 50 barrel quick clean out compartment for cuttings. One (1) 5” Mud Line and one (1) 5” Water Line. One (1) 8” x 6” Centrifugal Pump Driven by 75 HP Explosion

Proof Motor for Desilter. Three (3) Linear Motion Shakers. One (1) 18” x 18” Mud Ditch Three (3) Quick Open Clean Out Gates. One (1) 3” Swivel Bottom Mud Gun. One (1) High Pressure Cleaning Hose, 40 ft Long. One (1) Lot of Butterfly Valves, Piping, Connection, etc. to hook-

up system. Four (4) Explosion Proof Lights. One (1) Suction Mud Tank, 550 Barrel capacity consisting of the

following: Two (2) Low Pressure Mud Mixing Hoppers Two (2) 6 x 8 Centrifugal Pumps Driven by 75 HP Explosion

Proof Motor for mixing mud. Two (2) 10 HP Mud Agitators with Explosion Proof motors c/w

38” Impellers. One (1) 20 Barrel Pill Compartment. One (1) 5 HP Mud Agitator with Explosion Proof Motor c/w 38”

Impeller Two (2) 3” Swivel Bottom Mud Gates Two (2) Quick Opening Clean Out Gates One (1) High Pressure Cleaning Hose 40 ft long One (1) 5” Mud Line & One (1) Water Line One (1) 18” x 18” x 18” Mud Ditch One (1) Lot of Butterfly Valves, Piping, Connection to hook-up

system Five (5) Explosion Proof Lights One (1) Reserve Mud Tank, 250 Barrel capacity consisting of the

following: One (1) Low Pressure Mud Mixing Hopper


MUD TANKS (Cont) One (1) 8” x 6” Centrifugal Pump Driven by 75 HP Explosion Proof Motor for mixing mud.

One (1) High Pressure Discharge Line for Mud Pump. Two (2) 10 HP Mud Agitator with Explosion Proof motors c/w

38” Impellers. Two (2) Quick Opening Clean Out Gates Two (2) 3” Swivel Bottom Mud Guns. One (1) High Pressure Cleaning Hose 40 ft long One (1) Lot of Butterfly Valves, Piping, Connection etc to hook-

up system Four (4) Explosion Proof Lights : One (1) each 50 Barrel Trip Tank c/w Level Indicator One (1) each 1-1/2” x 2” Centrifugal Pump Driven by 5 HP

Explosion Proof Motor for Trip Tank One (1) each Circulating System for cooling Main Drum Brake &

Electric Brake One (1) 3” x 4” Centrifugal Pump Driven by 15 HP Explosion

Proof Motor for Cooling Tank System WATER TANK : One (1) 300 BBL Water Tank complete with circulating pumps DIESEL TANK : One (1) 9,000 gallon Diesel Storage Tank complete with Transfer

Pumps & Filter System B.O.P. ANNULAR : One (1) 13-5/8” x 5000 psi Hydril Type "GK" annular preventer,

with Flange Bottom and Studded Top B.O.P. RAM PREVENTER : One (1) Shaffer 13-5/8” x 5000 psi Double Gate, Studded B.O.P. RAMS : Two (2) set Blind Rams Two (2) sets of 5” Pipe Rams One (1) set 9-5/8”, 7” & 5-1/2” Casing Rams One (1) set of 4-1/2”, 3-1/2” and 2-7/8” Rams DRILLING SPOOLS : One (1) 13 5/8 5000psi x 13 5/8 5000psi spacer spool 24” long One (1) 13 5/8 5000psi x 13 5/8 3000psi flanged x/o spool 13-1/2”

long One (1) 13 5/8 5000 psi x 13 5/8 5000psi flanged spool (mud

cross) c/-2 1/16” 5000psi and 4-1/16” 5000psi outlets 24” long One (1) 13 5/8 5000psi x 13 5/8 3000psi flanged spool c/- 2 x 4-

1/16” – 5000psi outlets One (1) 11” 5000psi x 11” 10000psi double studded adaptor 5-

1/2” long One (1) 11” 5000psi x 7 1/16” 5000psi spool One (1) 7 1/16” 5000psi x 7 1/16” 5000psi spacer spool 18” long.

One (1) 13 5/8 5000psi x 11” 5000psi double studded adaptor 5” long

ACCUMULATOR UNIT : One (1) Koomey Model 144-26-A x 3000 psi working pressure

with Nitrogen back up. One (1) set of Master Controls for six (6) Stations One (1) Air Driven Charge Pump with 50:1 Ratio One (1) 15 HP Explosion Proof Electric Triplex Koomey Pump Sixteen (16) x 10 gallon Bottles x 140 gallon Reservoir One (1) Remote Station One (1) Lot of Control Lines Two (2) Model 6-A Air Compressors with 20 HP Electric Motors

and 240 gallon Air Receivers.


CHOKE MANIFOLD : One (1) Cameron 3” x 5000 psi Choke Manifold One (1) Swaco Super Choke (Hydraulic) 10,000 psi One (1) 6” Buffer Chamber Ten (10) 3-1/8" x 5000 psi Flanged Gate Valves One (1) 3-1/8" x 5000 psi Wills Multi-Orifice Choke One (1) Swaco Hydraulic Choke Remote Panel Two (2) J-2 Transmitters One (1) 5000 psi Gauge One (1) 2-1/16" x 5000 psi Kill Line Check Valve One (1) 2-1/16" x 5000 psi Kill Line Gate Valve One (1) 3-1/8" x 5000 psi Gate Valve One (1) 3-1/8" x 5000 psi HCR Hydraulic Valve One (1) Lot 5000 psi Kill Line One (1) Lot 5000 psi Choke Line KELLY COCK : Two (2) Upper Kelly Cock, for 5-1/4" Kelly 10,000 psi. Two (2) Lower Kelly Cock, for 5-1/4" Kelly 10,000 psi. One (1) Stab In Safety Valve for 5" Drill Pipe with 4-1/2" IF

Connection. One (1) each Crossover for 5" DP safety valve to Contractor's

DC's. KELLY SAVER SUB : Four (4) Kelly Saver Subs with Rubber Pipe Protector for 5-1/4"

Kelly with 4-1/2" IF Pin/Box. KELLY SPINNER : One (1) Varco Pneumatic Kelly Spinner complete with Hoses and

Controls DRILL PIPE : 8,000' 5" Premium Grade “G” Range 2 x 19.50 lbs/ft with 4-1/2"

IF connections c/w thread protectors. One (1) 10 ft, one (1) 15 ft one (1) 20 ft Grade E Pup Joints. Ten (10) joints 5" Heavy Weight Drill Pipe. DRILL COLLARS : Six (6) joints 9-1/2" OD x 3-1/2" ID x 30' long Drill Collars with

7-5/8" Regular Pin & Box Connections Nineteen (19) joints 8" OD x 3-1/4" ID x 30' long Drill Collars

with 6-5/8" Regular Pin & Box Connections Twenty Seven (27) joints 6-1/2" OD x 2-13/16" ID x 30' long Drill

Collars with 4" IF Pin & Box Connections LIFT SUBS : Two (2) Lift Subs for 9-1/2" Drill Collars Five (5) Lift Subs for 8" Drill Collars Nine (9) Lift Subs for 6-1/2" Collars BIT BREAKERS : One (1) 26" Bit Breaker One (1) 17-1/2" Bit Breaker One (1) 12-1/4" Bit Breaker One (1) 8-1/2" Bit Breaker


DRILLING SUBS : 4 only 4" IF x 4.1/2" reg bit subs c/w float recesses 1 only 4.1/2" IF x 4.1/2" reg 1 only 4" IF box x 4.1/2" reg pin 2 only 4" IF box x 4.1/2" IF pin 4 only 4.1/2" IF box x 4" IF pin 3 only 4" IF box x 4" IF pin 1 only 4.1/2" IF pin x 4.1/2" reg pin 2 only 6.5/8" reg box x 7.5/8" reg pin 2 only 4" IF box x 6.5/8" reg pin 1 only 4.1/2" IF box x 6.5/8" reg box bit sub c/w recess for float 1 only 4.1/2" IF box x 7.5/8" reg pin 2 only 6.5/8" reg box x 7.5/8" reg pin 1 only 6.5/8" reg box x 7.5/8" reg box 1 only 7.5/8" reg box x 6.5/8" reg pin 1 only 4.1/2" IF box x 6.5/8" reg pin 1 only 6.5/8 reg x 6.5/8 reg bit sub c/w float recess 1 only 6.5/8" reg pin x 6.5/8" reg pin LH thread (swivel) 1 only 6.5/8" circulating sub DRILL PIPE FLOATS : One (1) Bakerline Model F DP Float Valve. Size: 5R. One (1) Bakerline Model F DP Float Valve. Size: 4R. FISHING JARS : One (1) Bowen Type Z Fishing Jar 7-3/4". One (1) Bowen Type Z Fishing Jar 6-1/4". OVERSHOT : 1 x 11.3/4" overshot FS c/w hook wall guide, extension bowl,

standard guide, one spare standard guide. 1 x 8.1/8" overshot FS c/w hook wall guide, extension bowl,

standard guide, spares consist of 3 x 8.1/8" – 11" oversize guides, 2 x grapple bowls.

Grapples etc: - for 11.3/4" overshot Basket grapples: - 1 x 8.1/4", 2 x 8", 1 x 7.7/8", 2 x 7.3/4", 1 x

7.5/8", 1 x 7.1/2", 1 x 7", 1 x 6.3/4" Mill controls: 1 x 8.1/4", 1 x 7.1/2", 1 x 7.5/8" Basket controls: 1 x 8", 2 x 7.7/8", 3 x 7.3/4", 1 x 7.5/8" Grapple etc: for 8.1/8" overshot Basket grapples: 1 x 5.3/4", 1 x 5.1/2", 3 5", 2 x 4.7/8" Mill controls: 1 x 5.3/4", 1 x 5.1/2", 1 x 5", 1 x 4/7/8" Basket controls: 2 x 5", 2 x 4.7/8" Grapples etc for 11.3/4" overshot Spiral grapples: 1 x 9.5/8", 1 x 9.1/2", 1 x 9.3/8", 1 x 9.1/4", 1 x

9.1/8" Pack Off seals: 1 x 9.5/8", 1 x 9.1/2", 1 x 9.3/8", 1 x 9.1/4", 1 x

9.1/8" Spiral grapple controls: - 1 only Grapples etc for 8.1/8" overshot Spiral Grapples: 1 x 6.1/2", 3 x 6.3/8", 4 x 6.1/4", 2 x 6.1/8", 1 x

6", 1 x 5.7/8" Pack Off seals: 3 x 6.1/2", 5 x 6.3/8", 3 x 6.1/4", 1 x 6.1/8", 1 x

6.1/8", 1 x 6", 2 x 5.7/8" Spiral grapple controls 1 only REVERSE CIRCULATION : 1 ea Bowen 7-7/8" OD RCJB with 8-1/2" OD Mill JUNK BASKETS Shoe FISHING MAGNET : 1 ea Bowen Fishing Magnet for 12-1/4" hole 1 ea Bowen Fishing Magnet for 8-1/2" hole


JUNK SUB : 1 - 7-7/8" OD Junk Sub 1 - 9-5/8" OD Junk Sub POWER TONGS : One (1) Weatherford Model 16 Power Tong for Tubular size range

5-1/2" - 13-3/8". One (1) Weatherford Hydraulic Power Pack to run casing tong. ROTARY TONGS : One (1) set Web Wilson Type "H" Rotary Tongs with Lug Jaws

for 3-1/2" to 20" Tubulars. ROTARY SLIPS : One (1) of each 13.3/8" - 9.5/8" - 7" - 5.1/2" Casing Slips One (1) set of each 8" - 6.1/4 Drill Collar Slips and 9-1/2” Drill Collar Slips Two (2) sets 5" Drill Pipe Slips CASING HANDLING SPIDER : One (1) set 350 ton Elevator (Air Operated, Slip AND ELEVATOR Type) c/w one (1) set ea for 13-3/8", 9-5/8" & 7" Slip/Bell guide

Assembly. 500T Spider c/w upper guide plate for all above casing sizes.

Spider also has a spider adapter plate to suit a 27-1/2" rotary table. SINGLE JOINT ELEVATORS : One (1) set of each 20" - 13.3/8" - 9.5/8" - 7" - 5.1/2" with swivel

and cable suspension ELEVATORS : One (1) of each 20" - 13.3/8" - 9.5/8" - 7" - 5.1/2" Casing

Elevators Two (2) Centre/Latch type Elevator with 18 deg. Taper for 5" Drill

Pipe 250 tons. DRILL PIPE SPINNER : One (1) Varco Model SW-30 Hydraulic Spinning Wrench for 5"

Drill Pipe LINKS : Two (2) sets Varco 108" x 350 Ton Elevator Links SAFETY CLAMP : One (1) Varco Safety Clamp for 8" & 9 ½” Drill Collars. One (1) Varco Safety Clamp 6-1/2" Drill Collars INSTRUMENTATION : One (1) Weight Indicator One (1) 6 Pen Recorder Two (2) 0-5000 psi Pump Gauges Three (3) Pump Stroke Counters One (1) Rotary Tachometer System with Gauge One (1) Tong Torque Sensator with Gauge One (1) Mud Volume Totalizer One (1) Mud Flow Indicator with Alarm & Gauge 1 each Totco Drift Recorder 1 ea Go Devil Kit 1 ea Chart Tool & Chart Reader 1 ea Tool Maintenance Box w/tools SPARE PARTS HOUSE : One (1) Tool/Spare Parts Store with Loading Rail and Racks for

storage of Spare Parts and Tools MECHANIC WORKSHOP : One (1) Tool House/Mechanics Workshop with all necessary

Tools and Equipment DRILLER DOG HOUSE : One (1) Drillers Dog House c/w Knowledge Box/Shadow Board

and Geolograph


CAMP - (29 MEN) : One (1) 40' x 9'x 8' Kitchen Unit with Chiller/Freezer One (1) 40' x 9' x 8' Dining Unit with Dry Goods One (1) 40' x 9' x 8' Shower/Toilet/Laundry Unit One (1) 40' x 9' x 8' Recreation Unit Two (2) 6 -Man Sleepers Two (2) 8 -Man Sleepers One (1) 200 BBL Fresh Water Tank One (1) 50 BBL Potable Water Tank One (1) Generator House with 2 x Caterpillar 3406 Engines, each

driving 165 KVA Generators TOOLPUSHER / COMPANY : Two (2) 2-Man Well Site Units, each unit c/w with MAN OFFICE / SLEEPER the following: Two (2) AC Units Two (2) Desks with Chairs Two (2) 4-Drawer Filing Cabinets Two (2) Clothes Lockers Two (2) Single Beds One (1) Small Refrigerator CATWALK : Two (2) Catwalk Sections with Wood Decking and Stairs PIPE RACK : Eight (8) 27' Tumble Racks WATER PUMPS/WATER : One (1) Harrisburg 2 x 3 Centrifugal Water Pump LINE : powered by Diesel Engine SAFETY EQUIPMENT : Eight (8) Chemical Fire Extinguishers, 18 lbs Class B Four (4) Chemical Fire Extinguishers, 18 lbs Class C One (1) Wheel Mounted Fire Extinguisher, 150# Class B One (1) Safety Chair Six ( 6) Safety Belts One (1) Escape Line, Derrick One (1) Multi-Gas Portable Gas Monitor - H2S, CO Combustible

and Oxygen Five (5) 15 minute BA Escape sets c/w bottles located in dog

house One (1) ea 5 lbs Fire Extinguisher located in each camp building

and onsite building. MISCELLANEOUS : One (1) Lincoln 400 AMP Diesel Welding Unit One (1) set Gas Cutting Equipment One (1) 5" Drill Pipe Circulating Head Five (5) Chicksan 2" x 12 ft x 6000 PSI Chicksan Loops Two (2) 3" ID x 55 ft Drilling Hoses 5,000 PSI W.P. Two (2) Clamp-on Casing Thread Protectors for 20" - 13.3/8" -

9.5/8" -7" - 5-1.2" Casing. 1 lot Explosion Lights for Complete Rig RIG PERSONNEL : One (1) Hough 530 with Forks & Bucket. TRANSPORTATION Two (2) ea 4-Wheel Drive Vehicles. NOTE: At Contractor's discretion any of the foregoing items may be replaced by equipment of equivalent

or greater capacity.


ENCLOSURE I: 1:200 SCALE COMPOSITE LOG


ENCLOSURE II: 1:200 SCALE MUDLOG


ENCLOSURE III: DEPTH STRUCTURE MAP


ENCLOSURE IV: WELL EVALUATION SUMMARY (WES) PLOT

No WES is currently available for East Mereenie 43 (subject to running of wireline logs post completion).

ONSHORE - Geoscience - Northern Territory Government

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