2 9 1985 - Bureau of Safety and Environmental EnforcementIn acc
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In Reply Refer RP-2-1
APR 2 9 1985 Conoco Inc. A t t e n t i o n : Mr . D. L. Byers Post O f f i c e Box 51266 l a f a y e t t e , Lou is iana 705Ci
Gentlenen:
Reference i s made t o your I n i t i a l Plan o f E x p l o r a t i o n r vce l ved A p r i l t
fo r Lease X S - G 7132, Block A - 7 5 , South Pad^e I s l a n d A.-ec. This p^an the a c t i v i t i e s proposed f o r Well Mo. 1 .
In acc <1ance w i t h 30 CFR 250 .34 , rev i sed December 13 , 1979, a:xf o^r l e t t e r dated January 29 , 1979, t h i s p l a n has been determined t o be complete as o f A p r i l 29 , 1935, and I s now be ing considered f o r a p p r o v a l .
Your p lan c o n t r o l number 1s N-2114 and should be re fe renced i n your communicat i on and correspondence concern ing t h i s p la .
S incere ly y o u r s ,
(Orig. Sgd.) D W. Solanas
0 . W. Solanas Regional Superv iso r Rules and P roduc t i on
bcc: Lease OCS-G 7132 (OPb-3-2) (FILE ROOM) |OPS-3-4 w/Publ lc I n f o . Copy of the plan (PUBLIC RECORDS ROOM)
D0-7
M J T o l b e r t : g t j : 4 / 2 3 / 8 5 : D i s k 3a
Office of Program Servictf
APR 3 0 1985
Records Management Section
INITIAL PLAN OF EXPLORATION
SOUTH PADRE IS ,D BLOCK A-75, 0CS-C7132
On October 19, 1984 your o f f i c e approved a Revised Plan of Exploration vhich included South Padre Island, Blocks A-70/71, OCS-G4530/453L as follows:
Proposed Surface Location
500'FEL & 1100'FSL of Block A-71
Proposed Bottom Hole Location
Anticipated PTD Spud Date
Oct. 15. 1984
Days to D r i l l
90
On December 20, 1984 the Corpus C h r i s t i D i s t r i c t approved a sidetrack, bottoa hole lo c a t i o n , and depth change. In addition the surface location changed per the resu l t s of a survey taken when the r i g was spotted on location. The new well information was:
Proposed Well Surface Bottom Hole No. Location Location PD
J 630'FEL & 1089*FSL of Block A-71
The sidetrack hole was planned to raise angle to and maintain tc TD. Directional problems occurred i n an attempt to maintain the proposed angle and the actual angle increased to . Bit weight was reduced i n an attempt to drop angle, but the problem was compounded by high torque and frequent stuck pip, in the high angle hole. Structural trends indicate that the c r i t i c a l objective vould D e o f pS A-/0 with no hard lines on the north/south target. At
' the torque problems along wirh the reduced b i t weight induced severe right hand w*lk dropping the heading from S59°E to S3K°E. At TD of
che actual bottom hole location was and :«I!CVT
of Conoco's 31ock PS A-75. Geologically, the sidetrack hole achieved the target i n the same stru c t u r a l trend as the proposed location. In summary, f i n a l well informaclon is as follows:
Well Surface Bottom Hole No. Location Location Depth
1 629'FEL & 1089'FSL v i Block A-71
RS/10
I n i t i a l Plan of Exploration Page 2
This exploratory well was d r i l l e d by a mobile, self-elevating d r i l l i n g platfonn Glomar Main Pass IV. Drip pans were in s t a l l e d under a l l equipment which could have been a source of p o l l u t i o n . No waste products which contained o i l were disposed of into Gulf >f Mexico waters. Domestic wastes were treated by onboard sanitation treatment i c i l i t i e s . These waters plus formation and d r i l l waters were disposed of at tne s i t e .
South Padre Island Blocks A-70/71/75 are located approximately AO miles from t h e i r closest point onshore (East of Cameron County, Texas). Operations were served by Conoco's shore base which was located i n Port Mansfield. This shore base served the following purposes: L.) loading point for tools, equipment and machinery to be delivered to our offshore locations; 2.) crew change and transportation base; and 3.) temporary storage for materials and equipment. The base was equipped with the necessary loading docks and cranes for convenient and safe operations. Full time dispatchers were employed at the base in order to maintain 24 hour contact with offshore personnel.
Safety i n d r i l l i n g operations was accomplished through: 1.) adequately designed casing programs; 2.) the use of blowout preventors and associated well equipment of adequate pressure rating to contain anticipated pressures; 3.) the use of su f f i c i e n t mud volumes to insure control of the w e l l ; 4.) the use of mud monitoring equipment; and 5.) the use of supervisory personnel properly trained in pressure control. Fire d r i l l s , abandon ship d r i l l s , the i n s t a l l a t i o n and use of required navigatioi.al ids and lifesaving equipment and a l l other shipboard safety requirements wer^ conducted pursuant to Coast Guard regulations.
Conoco Inc. i s a member of Clean Gulf Associates (CGA). CGA is a cooperative designed to own and maintain a large inventory of o i l s p i l l clean-up equipment. This equipment and the necessary marine supervisors for use i n an advisory capacity are available to member companies during s p i l l events. Major equipment items available through CGA are fast response open .ea and bay skimmers, high volume open sea skimmer systems, shallow water skimmer systems, and an inventory of known resources available for emergeny o i l s p i l l clean-up and control. Our updated Accident Discharge Contingency Plan was approved by the MMS on March 14, 1985.
As per the Air Quality Regulations 30 CFR 250.57 (Federal Register March 7, 1980), Attachment I is a l i s t o.' actual emissions during the d r i l l i n g operations. Emissions from ^ach f a c i l i t y were estimated from EPA AP-42 and a l l calculations were based on worst possible case. Attachment I I i s a schematic of the d r i l l i n g operations and indicates the height of emissions above sealevei.
RS/1C
I n i t i a l Plan of Exploration Page 3
The period of time the f a c i l i t y had emissions was based on the d r i l l i n g operations lasting 124 days. During t h i s time emissions were based on the following factors:
Using the above estimates, the table i n Attachment I was compiled. Also included in this table are the maximum allows'le emissions. These values were bases on exemption formulas in the Federal P ,ister and the d r i l l i n g operations being 40 miles from the nearest shore as shown in Attachment I I . Considering this information, we did not i n s t a l l a i r quality p o l l u t i o n controls.
Structure maps, cross sections, a location p l a t , and a l i s t of d r i l l i n g f l u i d s are alsc attached. Shallow hazards data remains the same as in our PS A-70 Well No. 1 POE approved by your office on October 19, 1984.
D. L. Byers Coordinator Environmental Af f a i r s
DLB/RJS:mh
Attachments
Standby Boat: Work Boac: Tug Boat:
Welding:
Rig:
Cementing: Crane: Helicopters:
6000 HP (5 Cat D-399TA dlesels at 1200 HP each) 24 hrs/day and 7 days/week. 24 hrs/day and 7 days/week. 24 hrs/day and 4 days/week. 2-4500 HP diesel 24 hrs/day for 4 days to tow r i g i n and out. 1- 50 HP diesel running 4 hrs/day to power welding u n i t . 2- 200 HP diesel to power unit running 28 hrs/we11. 2-110 HP diesel to power crane running 4 hrs/day. 3 flights/day.
RS/10
Attachment I PROJECT EMISSIONS PS BLOCKS A-70/71/75; OCS-G4530/45^1/7132; WELL NO. 1
POUNDS PER DAY OF OPERATIONS
Pollutant D r i l l i n g Rig 6000 HP
so2 295.3
TSP 317.18
4440.53
cn 961.06
VOC 355.24
Tota] Emissions (Tons)
Year S02
8.77 1984 (54 days) 1985 11.24
(70 days)
Max. Allow. 1332
TSP
9.15
11 . .
N0X
129.00
Boat w/2D0 KW
Generator
6.20
0.00
32.20
14.30
4.10
CO VOC
29.13 10.46
1332
165.22 37.33 13.40
1332 39,766.6 1 _J32
Helicopter 3TOL Cycles Two Engines
Tugboat 2-4500 HP * Diesels
Crane 2-110 HP Diesels
Cement 2 -200 HP Diesels
Welding 1-50 HP Diesels
1.08 442.94 1.80 19.68 .41
1.50 475.77 1.94 21 .14 .44
3.42 6660.79 27.14 29o.()4 6.17
34.20 1441.59 5.87 64.08 1.33
3.12 532.86 2.17 23.68 .49
Note 1: Max. Allow (Tons Per Year) = 3400D 2 / : f o r CO i
33.3D for S02, TSP, N0 X , VOC, where D= 40 miles
Note 2: H.P. x hrs run/day x g/HP hr = #/d . , where g/HP hr comes from table 454 gr/# 33.3/of EPA AP-42, Compilation of Ai r Pol lutant Emission Factors
-co Inc . • w+y P\a+
liioc s A-torn As A+TacV\t^eoA;Tx-0
E
PS A-ni
su 0 1&W F^L
CONOCO INC. LOCATION AAA?
PS ftiocvc A-no/n/is-VJ ELL NO. 1
SCALE: 1"-- 200O' ATTACH IAE WT x-@
P r o p o s e d Mobi le D r i l l i n g R i g
CONOCO INC. PS BLOCK v n o 'ti/ns
WELL tfO.l MTQcWtrVH:-©)
Hie following i s a U s t of d r i l l i n g and completion f lu ids that may be used in this plan.
There w i l l be no intent ional discharge of hazardous material in v i o l a t i o n c f EPA or DOI regulat ions. D r i l l i n g mud w i l l be disposed of on s i te provided i t is not o i l based and
provided i t complies with EPA's permitt ing procedures and gu ide l ines.
PRODUCT
AKTAF 10-S
Aluminum Stearate
Arco Seal
AZ-32
Bactron KM-7
Barite
Basco-50
Basoo Bestos
Benex
Bentonite
Bex
Bicarbonate o f Soda
B i t Lube
Breakers
Bridge Heal
Buffer
Calcium Bromide
Calcium Carbonate
DESCRIPTION
Mixed Oxy e thy la ted Phenols, Nonylphenols and Potassium Hydroxide
Aluminum Salts reacted with Stearic Acid
Shredded Cellophane
Vegetable O i l base with Hydroxyethyl Cellulose type Polymer with Aldehyde
Corrosion Inhibitor with bacterial . '• properties
Barium Sulfate
Nonfarmenting starch
Shredded Cellophane
Anhydride Co-polymer
Wyoming Bentonite
Synthetic Polymers and Carbonates
Sodium Bicarbonate
High pressure lubricant with Potassium Hydroxide and Suifurized Phenols
Cellulose Enzymes, Sodium Persulfate
Calcium Lignosulfonates, Calcium Carbonates and Este rated Polysaccharide
Sodium Acetate
Calcium Bromide
Calcium Carbonate
Revised 10-79
p.'coocr
Calcium Chloride
Carbo Free
Carbonox
Caustic Soda
CC - 16
Cell-o-seal
Cement
Chemtxol-X
Circotex
CL/CLS
Clay
CMC
Con Det
Cortron 126
Cortron R-66
Cortron HE*-14
Cortrcr. RD-2202
Cortron KD-2264
Cottonseed O i l
CQ
Cronox 609
Cronox 235
CY 3er.
Calcium Chloride
Orcpnophilic Clay with t a l l Oi l Emulsifier
Lignir* Material
Sodium Hydroxide
Solubilized Sodium Salt of Ligni t ic Humic Acid Power
Shredded Cellophane
Mixture of Calcium Alurainates and Silicate:
Cautized l ign i te base with an Organo Aery late Ccrtcosition
Blend of sized carbonates
Chrome Lignite - Chron* Lignosu] fonate
Sub-Bexitonite
Sodium Carboxymethyl Cellulose
Anionic Surfactant
Amine Sulf i te
Filming Amine
Quaternary Amine
Corrosion Inhibitor with bacterial properties
Water soluble amine with amine su l f i t e and oxygen scavengers
Vegetable Oi l from cottonseed
Causticized Ferrochrome Lignosulfoante
Ethoxylated Amine with IPA
Ethoxylated Amine with IPA
Co-polymer contains Acrylari.de
PFODOCT DESUrU-frxCN
Cypan
DD
Dakolite
Desco
Dextrid
Dowell F-75
Drillaid 420
Drilltxeat
Drispac
Duratone
EDL-5
E-Z Mul
Emulsite
Fiber Seal
Flo lex
Foam Ban
Gel Tone
Gold Fury
Gypsum
HAI 75
8DO-48
Sodium Polyacylate with Acrylcmtri le
Aqueous blend with Diethanol Amides
North Dakota Lignite
Sui f oan ry la ted Tannin contains chrome
Ncnfermenting starch
Fluorochemical Quaternary of Methyl Iodide
Bentonite Extender and Selective Flocculer.
Phospholipid Surfactant contains T eei, th in
Polyanionic O l l u ] cse
Lignit ic Material
Mineral Oi l Surfactant and Iscpropyl Alcob
Emulsifier with Methp—, — J "aleic Anhydride
Caustic Ligni '
Processed Cax
Blend cf LiennsgJ foniaM, Carjactaydrates, and Carbonates
Octyl Tri-butyl Phosphate and Organic Silicone
Organo-Clay
Decreaser, six more surfeni- N-60 surfactant
Clacium Sulfate
Iscorcpanoi
Poiymar Beads
Hydroxyethyl Cellulose
Calcium Lignosuifonate Calcium Carbonates
PROJUCT DESCRIPTION
HME
Hytec
Imoo Flo
Imco Phos
Imco SWS
Imco Thin
Inpermix
Jel Flake
K-Flc
K-Lig
KCL
KOri
Ken t o l KW-12
Kemcreak
Kleenup
Kwik Seal
LD-8
Lamco Flakes
Licco
Ligoon
Ligcox
Lignite
Etho. -.Li.". . onyl-phenol and Alkylated Phenol
Blend of Synthetic Polymers and sized Carbonates
Hemlock Extract
Sodium Tetraphosphate
Sulfonated Alcohol Ether and Ethoxylated Alcohol
Sodium Hydroxide and Lignite
Pre—gelatinized starch
Shredded Cellopha'
Oxide Adduct of Glycerine
Potassium Salt of Lignitic Material
Potassium Chlor ie
Pccassium Hydroxide
Corrosion inhibitor of imidazoline salts and methanol
Calcium Lignosulfonate
Blend of Surfactants, Butyl-cellosolve, and Monoamine detergent cccpounds
Cent:uiation of granules, and fibers
Aluminum salt of a fatty acid dispersed i n Prcpcxylated Oleyl Alcohol
Shredoed Cellophane
Lignite
Sodium Salt cf l i g n i t i c Material
Lignite
Lignite
PRODUCT
Lime
Lubri Film
Lubri fTHHc
HD
Magco I n h i b i t o r 303
Magoonol
Msgcophos
Mica
Milcon
M i l f l c
Milcex
Mon Pa.;
Mud Citanout-Acid OES)
-iUd - Sweep
My - Lo - Gel
Nylo Seal
Nut Pad:
Nj tplug
CS K i Cal
Oilphos
Pal -uc 110
Pal Mix 210
Pal Mix 2?>A
OESCRTTTICN
Calcj."- hydroxide
Aluminum Sa l t o f an organo f a t t y acid c a f ^ x
Polystyrti Ac Teflon Beads
Ethoxylated Alcohol w i th Sodium S i l i c a t e Buffer and C3VC Viscos i f ie r
Blend of Morpholijw Ardne type corv..-*ttas wi th IPA
2- e thy l Paxanol. 2 ethylhexyl Alcchol
Serium Tetraphce-phate
Mica i 'akes [ii. * . .-ate:.}
Fa- y me.*! P c f U s d l i g n i t e - m ^ f i ^ a wi th Zinc
Hemlock Bark Extract
Mica Fla):es
Poiyanioniw* Cellulose
Hydrochloric acid anc isopropanol
' ">acer
Com Stares
Ground Shredded Nylon
Groind up nut shaJls
Ground walnut shells
Calcium P/droxice
Sodium Tetraphosphate
Cellulose type Polysaccharide
100% T r i - b u t y l Phospharr
CXv.tains Alky I Pyridine wi th less than 2% Gluteraldehyde
i
PR3PUCT
Pal Mix 380
Pal Mix Extender
PEN 5A
Perma-thinz
Petro-tone
Phenoseal
Potassium Carbonate
Potassium Chloride
Protecto Mul B
0-B.ntjcin
Quellxa- h
Ray f l a
RD-111
Pesinex
Rhe-o-con
Royal Seal
SA-5B
Salt
Salt fel
SAM-5
S.A.P.P.
Slik-5
SLX
Soda Ash
Glucose £?se Fol^neu.
Buffer-inorgd'/iic AJ-kaline Phosphate
Methanol
Aluminum Chroma lignosu] fonate
0r^ano-C3ay
Lamina tr d Tharacofet P las t ic
Potass: - n CarJ^onate
Potassii-^n Chloride
Blend 02 at tapulgi te clay, roagnesiurr oxide, and coconut diethanolamine
Ferrocr rrjro l ignosuifonate
Tannin .' . m Quebr .cho Bark
Hemlock Bark Extract
Blended L.' gnosulf onate cental ;^ Bichromate
Co-polymer of a Sulfonated L ign i t e and a Phenol Formaldehyde
Chrome Lionosulfcnate
Groundup Movie F i lm
Al ipha t ic Carboxylic Acids
Sodium Chloride
Attapulgi te Clay
Sodium Acid pyrophosphate
Nonionic Surfactant
Ligni te Suri-'ibe Surfactant
Sodium Carbonate
Sodi um Bichromate
So I.un Chromate
Sparer Mix
Speed D r i l l
Sparse.
Stab-Vis
Stabi-Prop
Stabloi:'.
Start.
Super- .ol
Super Lig
Superdri.'J.
Supertron 62
F'-rfactant
5-v:tcove
Synergic
' I ance
Tannathin
Tanne,v
2hsr?r. x
unical
Uniflcv
vc -' ;•
Visro .*>38
DESCRIPTION
Sodium D" chromate
Sodium Cnromate
Oleic Acid, Primary Oley lattice Dimerized Oleic Acid and ^ee Party Acid
Tall Oi l Soap PtaVlsifipr
Chrome Lignosulf onate
Cirome Lignosuifonate
Chrome Lignite
Nonfermenting Starch
Pre-gelatinized Starch
Hydrophilic Organo-Clay Ccrip.'ex
Lignite
Gilsonite Ccmpound with Cavs .J. cized T ?nit
9% Cocodiamine witn r.-^ium Sul f i t e , Methyl Alcholo and Ina dar nine Alcohol
Oxyethalated Phenols
Oi l soluble Amine Dodecyl Benezine Sulfonate
Potassium Sodium Silicate with a Tannin
Caust -cized Licpdte-CAiebracho
Lignite
Ouebracho Extract
Sodium Stearate
Chra.e modified Sodi--. Li ..^Ylf^ate
Gilron\ ui
1 odi-ie-J Lignosuifonate v.i.c;: C_rome
F a r t . i l l y C/uaternized Polysnine m C«. anr. W ter Solution
PRCUXT DISCKEPTTCN
Vix-Tex
Whites PF 294
Whites PF 296
W.O. Defoamer
X-tend
XC Pc.vmer
XMDC (RD)
XP-20
Zinc Bromide
Zinc Carbonate
Zinc Chloride
Blend of Synthetic Polymers and SJ-»ad Carbonates
Contain liquid CAiarternary tacis
Bactericide contains Formal rtphydc
Contain3 Potassium Hydroxide
Co-polymer Bentonite Extender
High molecular weight jv»g-chaiT«d Polymer Xanthum Gum
Blend of Monodialxyl Polyoxyechyiene and riiosphates
Chrome Lignite contains Potassium Hydroxide
Zinc Bromide
Zinc Carbonate
Zinc Chloride
SDKrap
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