GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN Pierre UNGEMACH and Miklos ANTICS GEOPRODUCTION CONSULTANTS (GPC) Paris Nord 2, 14 rue de la Perdrix, Lot 109, B.P. 50030 95946 ROISSY CDG CEDEX, France e-mail : [email protected], [email protected]
33
Embed
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN. Pierre UNGEMACH and Miklos ANTICS GEOPRODUCTION CONSULTANTS (GPC) Paris Nord 2, 14 rue de la Perdrix, Lot 109, B.P. 50030 95946 ROISSY CDG CEDEX, France - PowerPoint PPT Presentation
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
Pierre UNGEMACH and Miklos ANTICS
GEOPRODUCTION CONSULTANTS (GPC)
Paris Nord 2, 14 rue de la Perdrix, Lot 109, B.P. 50030
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
SCOPE
• INTRODUCTION1. HISTORICAL OVERVIEW2. RESOURCE AND RESERVOIR SETTING3. DEVELOPMENT STATUS AND MILESTONES4. TECHNOLOGY OUTLOOK5. OPERATION AND MAITENANCE6. RISK ASSESSMENT7. RESERVOIR MANAGEMENT / ENGINEERING /
SIMULATION8. SUSTAINABILITY• CONCLUSIONS
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
HISTORICAL OVERVIEW
HYDRO CAR BO NEXPR O
RESERVOIRASSESSM ENT
RISK ANALYSISFEASIBILITY
FIELDDEVELOPM EN T
RESERVOIRASSESSM ENT
UPDATE
EXPLOITATIONRECOR DS
DATABASE
RISK(RE)ASSESSMENT
W E LL L IF ES Y S TE M L IFE
E C O N O M ICV IA B IL ITY
S U S TA IN A B L ER E S E R V O IR
M A N A G E M E N TS C E N A R IO S
RESERVOIRLIFE
E NVIRO N M EN TALB ENE FITS
S O CIAL IM A G EFIS CAL
IN CE NTIVE S
PRODU CTIONM ODEL
PROCESSIN G
MO NITORINGSURVEILLANCE
CASING CONTRO LDAMAGE DIAG NOSIS
TRA CER LEAK O FF TESTSW ELL W O RK O VER
C O R RO S IO N /SCA LIN GABATEM EN T
LEGAL/INSTITUTIO NAL
FINANCINGINCENTIVES
BACKUP
ENVIRO N-M ENTALIMPACT
W E L LD E L IV E R A B IL IT IE S
P R O D U C T IO ND E S IG N
TESTING (DST)SAMPLING
DRILLINGCO RING
LO GGING
1950
1970
1975
1985
1990
2000
2005
TIME SCALE MILESTONES
F irst district heating doublet
F irst O il Shock
Com pletion of three doublets
E n f o r c e m e n t o f t h e G eotherm al Act (M in ing Law)
Second O il S hockState supported incentives
End of fie ld developm ent (52 doublets com pleted)
Issuing of a com prehensive reservo ir assessm entDebt renegotiationF irst AT I insta lla tionI m p l e m e n t a t i o n o f t h e workover waste processing line
Com pletion of the new anti-co r ros ion p ro du c tion w e ll. Im plem entation of the trip let concept
F i r s t c o m b i n e d g a s / c o g e n e r a t i o n h e a t in g p lant
10 year extension of m utual insurance contracts
C o m p l e t i o n o f t h e 1 7 cogeneration plant
34 d istrict heating doublets in operation
Design of future heat m in ing schem es
t h
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
HISTORICAL OVERVIEW
HYDROCARBONEXPRO
RESERVOIRASSESSMENT
RISK ANALYSISFEASIBILITY
FIELDDEVELOPM EN T
RESERVOIRASSESSMENT
UPDATE
EXPLOITATIONRECOR DS
DATABASE
RISK(RE)ASSESSMENT
W E LL L IF ES Y S TE M L IFE
E C O N O M ICV IA B IL ITY
S U S TA IN A B LER E S E R V O IR
M A N A G E M E N TS C E N A R IO S
RESERVOIRLIFE
E NVIRO N M EN TALB ENE FITS
S O CIAL IM A G EFIS CAL
IN CE NTIVE S
PRODU CTIONM ODEL
PROCESSIN G
MO NITORINGSURVEILLANCE
CASING CONTRO LDAMAGE DIAG NOSIS
TRA CER LEAK OFF TESTSW ELL W O RK OVER
C OR ROS ION /SCA LIN GABATEM EN T
LEGAL/INSTITUTIONAL
FINANCINGINCENTIVES
BACKUP
ENVIRON-M ENTALIMPACT
W E L LD E L IV E R A B IL IT IE S
P R O D U C T IO ND E S IG N
TESTING (DST)SAMPLING
DRILLINGCORING
LOGGING
1950
1970
1975
1985
1990
2000
2005
TIME SCALE MILESTONES
F irst district heating doublet
F irst O il Shock
Com pletion of three doublets
E n f o r c e m e n t o f t h e G eotherm al Act (M in ing Law)
Second O il S hockState supported incentives
End of fie ld developm ent (52 doublets com pleted)
Issuing of a com prehensive reservo ir assessm entDebt renegotia tionF irst AT I insta lla tionI m p l e m e n t a t i o n o f t h e workover waste processing line
Com pletion of the new anti-c o r ros ion p ro du c tion w e ll. Im plem entation of the trip let concept
F i r s t c o m b i n e d g a s / c o g e n e r a t i o n h e a t in g p lant
10 year extension of m utual insurance contracts
C o m p l e t i o n o f t h e 1 7 cogeneration plant
34 d istrict heating doublets in operation
Design of future heat m in ing schem es
t h
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
RESOURCE AND RESERVOIR SETTING
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
DEVELOPMENT STATUS AND MILESTONESLOCATION OF GEOTHERMAL DISTRIC HEATING DOUBLETS
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
DEVELOPMENT STATUS AND MILESTONESTARGETED, ACHIEVED, FORECASTED OBJECTIVES
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
TECHNOLOGY OUTLOOK (1)THE GEOTHERMAL WELL DOUBLET OF HEAT MINING
A B AW H W H
H X
P P
P W
C
IP
IW
IW
90 0-1 40 0m 14 00 -17 00m
D O G G E R G E O TH E R M A L R E S E R V O IR
U P P E RC R E TA C E U S
LO W E RC R E TA C E U S
55 °
30 ° 30 °
LU S ITA N IA N
U P P E RJU R A S S IC
M ID J U R A S S IC
A - two vertical wellsB - 1 vertical, 1 deviatedC - two deviated wells
PP production pumpIP in jection pumpHX heat exchangerPW production w ellIW in jection wellW H wellhead
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
TECHNOLOGY OUTLOOK (2)EQUIPMENT PERFORMANCE AND LIFETIME RECORD
ITEM LIFE (yrs)
WELLS 20-25
XTREE VALVES 5
PRODUCTION PUMPS
ESP
HTP
4-5
5-8
INJECTION PUMP 10
PRODUCTION TUBING 6-8
DOWNHOLE CHEMICAL INJECTION LINE 5-8
PLATE HEAT EXCHANGER 10-15
FREQUENCY CONVERTER 15
SURFACE PIPING 15-20
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
THERMOCHEMICAL SHORTCOMINGSCORROSION AND SCALING
DRIVING MECHANISMS OF CASING DAMAGEAQUEOS CO2/H2S ENVIRONMENT
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
WELL DRILLING/COMPLETIONANTI-CORROSION PRODUCTION WELL DESIGN
cen tra lize rs
fibe rg lass cas ing
cem ent
expansion spool
free annu lus
seat
stee l casing
reservo ir
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
THERMOCHEMICAL SHORTCOMINGSCORROSION AND SCALING
DOWNHOLE CHEMICAL INJECTION LINESSETUPS IN ARTIFICIAL LIFT WELLS
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
OPERATION AND MAINTENANCE (1)MONITORING/SURVEILLANCE OF PRODUCTION FACILITIES
• geothermal fluid• loop parameters• well deliverabilities• pump and frequency converter characteristics• inhibitor efficiencies• inhibition equipment integrity• well head integrity• surface piping control• casing inspection
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
OPERATION AND MAINTENANCE (2)WELL WORKOVER
CORROSION AND SCALING ABATEMENT
• WELL WORKOVER• casing clean up
• lining of damaged tubulars
• fishing
• reservoir stimulation
• CORROSION AND SCALING ABATEMENT• downhole chemical inhibition lines
• corrosion, scaling, microbiological inhibitors
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
OPERATION AND MAINTENANCE (3)DOGGER DATABASE
• Hosted on ORACLE platform• Data instructed locally via ACCESS interface
GLOSSARY
GENERALINFORMATIONPARAMETERS
DATAARCHIVE
HEAT PLANTEQUIPMENT
INJECTIONEAUIPMENT
PRODUCTIONEQUIPMENT
DICTIONARY
TH ER MO-CHEMICAL
MONITORING
INTERVENINGPARTIES
EVEN TS
CALIBRATION
HEAT PLANTEXPLOITATION
PRODUCTIONFIGU RES
INJECTIONFIGU RES
CASINGCONTROLCORROSIONCORROSION
TR EATMENT
ELEMENT BUBBLEPOINT
W ELLCASING
RESERVOIRPROPERTIES
GEO THERMALSITE
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
-Existing doublet reconditioning/lining 450-Drilling/completion of a new, corrosion resistant, production well 3,000-Miscellaneous equipments/fittings 150
TOTAL 3,6002036-2060
-Abandonment (cementing) of the initial well doublet 350-Replacement of the production well fiberglass liner 450-Drilling/completion of a new, corrosion resistant, injection well 2,750-Miscellaneous equipments/fittings 200
TOTAL 3,750
COMAPARATIVE FIGURES
Capital investments (103 €)Natural gas cogeneration plant (rated 5 MWe) / Conventional, steel cased (9”5/8), well doublet
Impact on a 30,000 MWht/yr district heating doublet 200,000
Unit price impact 7€/MWht
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
ECONOMY (1)•INVESTMENT COSTS
•Total Paris Basin (52 doublets) #500 M€
•Doublet unit costs 10 M€
•Wells 3.3 (33%)
•Heat plant/geothermal loop 0.7 (7%)
•piping/substations 6.0 (60%)
•Ratings:•40000 MWht (geothermal = 30,000 MWht)
•Revenues (45 €/MWht) 1.8 M€
•OPERATION/MAINTENANCE COSTS (103 €)
Ref: 30,000 – 35,000 MWt rated plant
#700
•Energy 400
•Power 100
•Backup/relief fossil fuels 300
•Light maintenance/equipment replacement 40
•Heavy maintenance/equipment replacement 185
•Miscellaneus 75
FINANCIAL
•High debt (90%)/low equity (10%)
•Yearly debt repayment charge #1 M€
GEOTHERMAL RESERVOIR MANAGEMENT. A THIRTY YEAR PRACTICE IN THE PARIS BASIN
CONCLUSIONS• GDH scored well• State/public sector involvement proved a decisive
impetus• Operators exhibit mature technological and
entrepreneurial skills• Exploration/exploitation risks mastered to date• Sound resource/reservoir management outline• Sustainable heat mining, up to 50-75 years ahead,
secured• Improve image• Environmental, clean air, benefits to boost fiscally