Penn West Pembina Cardium CO2 EOR seismic monitoring program · 2021. 3. 30. · •Gedco(Vista)...
Transcript of Penn West Pembina Cardium CO2 EOR seismic monitoring program · 2021. 3. 30. · •Gedco(Vista)...
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Don Lawton & Abdullah Alshuhail
University of CalgaryCalgary, Alberta, Canada
Penn West Pembina Cardium CO2 EORseismic monitoring program
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Penn West Petroleum CO2-EOR Pilot
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1619.51619
1599
1291.4
1023
506494434Ardley Coal
Knee Hill Tuff
Edmonton
Belly River
Lea Park
Cardium Zone
Cardium Conglomerate
Upper Cardium Sandstone
Middle Cardium Sandstone
Lower Cardium Sandstone
0Ground Surface
1622
1630.5
1637.2
1619.51619
1599
1291.4
1023
506494434Ardley Coal
Knee Hill Tuff
Edmonton
Belly River
Lea Park
Cardium Zone
Cardium Conglomerate
Upper Cardium Sandstone
Middle Cardium Sandstone
Lower Cardium Sandstone
0Ground Surface
1622
1630.5
1637.2
Stratigraphy and sonic log responseP-wave sonic S-wave sonic
1023
Courtesy Rick Chalaturnyk
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7-11 (Obs)
102/7-11 (P)
10-11 (P) 9-11 (P) 12-12 (P)
5-12 (P)8-11(P)
102/10-11 (I) 102/12-12 (I)
PennWest Pembina Cardium CO2 Pilot
1.1 km
Observation wellDepth ~1650 mBHP ~19MPaBHT ~50oC
March 200570 t/day CO2Depth ~1620 m
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1 km
Seismic lines
Observation well
CO2 injection pad
Line 1
Line 2
Line 3
Line 6
Seismic lines, Penn West CO2 EOR PilotPhase 1: March 2005Phase 2: December, 2005Phase 3: March, 2007
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Seismic lines, Penn West CO2 EOR Pilot
Observation well
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PP (left) and PS (right) correlation
Synthetic Synthetic seismogramseismogram
Seismic traceSeismic trace Synthetic Synthetic seismogramseismogram
Seismic traceSeismic trace
ArdleyArdleyArdleyArdley
Cardium SandCardium SandBlackstoneBlackstone Cardium SandCardium Sand
BlackstoneBlackstone
PP--wave sonicwave sonic PP seismicPP seismic SS--wave sonicwave sonic PS seismicPS seismic
Well location
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EW
P-P & P-S registration
P-P P-S
Ardley coals
Viking
Cardium
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Ardley
Viking
Lea ParkCardium
3D Horizon picks (PP data)
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Seismic lines, Penn West CO2 EOR Pilot
1 km
Seismic lines
Observation well
CO2 injection pad
Line 1
Line 2
Line 3
Line 6
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Line 1 Phase I
Ardley coals
Viking
Cardium
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Line 1 Phase III
Ardley coals
Viking
Cardium
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Line 1 Phase III – Phase I
Ardley coals
Viking
Cardium
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Line 1 Phase III – Phase I (+12 dB)
Ardley coals
Viking
Cardium
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-6.000
-4.000
-2.000
0.000
2.000
4.000
6.000
1 21 41 61 81 101 121 141 161 181 201 221 241 261 281
Trace
Tim
e (m
s)Line 1 Phase III – Phase IArdley – Viking isochronN S
Injector well
0
2
4
6
-2
-4
-6
Tim
e (m
s)
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Viking – Ardley Δt (Phase II – Phase I)
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Seismic lines, Penn West CO2 EOR Pilot
1 km
Seismic lines
Observation well
CO2 injection pad
Line 1
Line 2
Line 3
Line 6
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Cardium
Viking
Surface seismic and VSP corridor stack
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500 m offset VSP, migrated image
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Multicomponent surface seismic andoffset vertical seismic profile (VSP)
Vp2, Vs2, ρ2
Vp1, Vs1, ρ1
Injector well (VSP)
surface seismic 3C receivers
Vp2, Vs2, ρ2
Position 1(1280 m – 1505 m)
Position 2(1040 m – 1265m)
Position 3(800 m – 1025 m)
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Discussion
• No faults were mapped in pilot area• Time-lapse surface seismic data indicates no
leakage into shallow aquifers • CO2 confined to thin zone in reservoir• Difficult to track CO2 within reservoir with
surface seismic data through imaging• VSP data exhibits amplitude change at Cardium
event (previous work).• Choice of seismic monitoring program must be
site specific
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Perspective on CSS(carbon capture and storage)
• Current global CO2 emissions are ~30 Gt/year
• Assume CCS contributes 20% of reductions
• Sleipner CCS project (StatOil) 1 Mt/year
• Need 6,000 Sleipner-sized projects to meet target
• All these would need to be monitored
• That's a lot of seismic data !
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• Alberta Energy Research Institute [AERI]• Western Economic Diversification [WED]• Natural Resources Canada [NRCan]• CREWES sponsors• Penn West Petroleum Ltd• Veritas DGC • Schlumberger Canada• SMT (Kingdom Suite)• Hampson Russell (ProMC, Pro4D)• Gedco (Vista)
Acknowledgements