Mallik 2002 Gas Hydrate Production Research Well Program · 2019-01-04 · Production Research Well...
Transcript of Mallik 2002 Gas Hydrate Production Research Well Program · 2019-01-04 · Production Research Well...
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MallikMallik 2002 Gas Hydrate Production 2002 Gas Hydrate Production Research Well ProgramResearch Well Program
CH4
S. Dallimore, T. Collett,T. Uchida, M. Weber
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Outline of PresentationOutline of Presentation•• Quick overview of goals and Quick overview of goals and
objectives of objectives of MallikMallik program program •• Update on field, laboratory and Update on field, laboratory and
modeling research modeling research •• Snapshot of scientific highlightsSnapshot of scientific highlights•• Schedule for International Schedule for International
Symposium and Scientific Symposium and Scientific Results VolumeResults Volume
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•• CanadaCanada–– GSCGSC–– BP/Chevron/BurlingtonBP/Chevron/Burlington–– ((JapexJapex Canada, Imperial Oil)Canada, Imperial Oil)
•• JapanJapan–– JNOCJNOC
•• USA USA –– USGS USGS –– USDOEUSDOE
•• GermanyGermany–– GeoForschungsZentrumGeoForschungsZentrum PotsdamPotsdam
•• IndiaIndia–– Ministry of Petroleum Geology and Natural GasMinistry of Petroleum Geology and Natural Gas–– Gas Authority India LtdGas Authority India Ltd
•• International Continental Scientific Drilling ProgramInternational Continental Scientific Drilling Program–– Universities and research institutes in Japan, Canada, USA, Universities and research institutes in Japan, Canada, USA,
Germany and ChinaGermany and China
Mallik 2002 Gas Mallik 2002 Gas Hydrate Production Hydrate Production
Research WellResearch Well
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Why Why MallikMallik as the site for gas as the site for gas hydrate R&D?hydrate R&D?•• One of the most concentrated gas hydrate One of the most concentrated gas hydrate
reservoirs known to datereservoirs known to date•• >200 m gross hydrate thickness>200 m gross hydrate thickness•• pore space hydrate concentrations >90%pore space hydrate concentrations >90%
•• Extensive baseline engineering, geological and Extensive baseline engineering, geological and geophysical knowledgegeophysical knowledge
•• Geology/reservoir similar to many offshore Geology/reservoir similar to many offshore deposits deposits
•• Accessible onshore location (cost efficient Accessible onshore location (cost efficient operations) operations)
•• Global research site for climate change and Global research site for climate change and energy researchenergy research
•• Leadership team able to pull off operations, Leadership team able to pull off operations, science and engineering R&Dscience and engineering R&D
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Beaufort Sea
KugmallitBay
6900'
6930'
13600' 13500' 13300'13400'
MackenzieDelta
6955'
600
1200
12001000
800
400 200
800
1000
Well Gas hydrate Contours of base of methane hydrate (m)
Mallik2L-38
Kilometres0 20
RichardsIsland
Gas Hydrates in the Mackenzie DeltaGas Hydrates in the Mackenzie Delta
>600m permafrost
>1200m to base of methane hydrate stability field
>20% of onshore wells drilled in 70’s / 80’s encountered hydrates
1200m1200m
1000m1000m
800m800m
600m600m
400m400m200m
200m
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Mallik 2002 Objectives:Mallik 2002 Objectives:Quantify the production response of a gas hydrate Quantify the production response of a gas hydrate reservoirreservoir::
•• Pressure stimulationPressure stimulation
•• Thermal stimulationThermal stimulation
•• Comprehensive multidisciplinary science program Comprehensive multidisciplinary science program to allow for detailed engineering and reservoir to allow for detailed engineering and reservoir simulation modelingsimulation modeling
Controlled production experimentsControlled production experiments
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Gas hydrates as a Gas hydrates as a energy resourceenergy resource••R&D goals to move from R&D goals to move from cartoons to conceptcartoons to concept
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Mallik 2002 Objectives:Mallik 2002 Objectives:
• Regional methane flux studies and geothermal modeling considering past geologic events and climate change
•• Assessment of in situ Assessment of in situ geopressuregeopressure and geothermal and geothermal regimeregime
•• GeomechanicalGeomechanical properties and properties and porous media controls over porous media controls over distribution and abundance of distribution and abundance of gas hydratesgas hydrates
Climate change, environmental and geohazard studies
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Global Warming
Release of Methane
Enhancement ofGlobal Warming
Methane HydrateDecomposition
Methane Hydrate Decomposition
RunawayGreenhouse Effect ??
More...
Is the western Arctic a key source of methane?
Reduce risk and development costs related to frontier hydrocarbon development
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A to do list from hell!• Find 8 partners and $17M• Complete 6 environmental permits• Stage 760 tons of equipment by barge to Mackenzie Delta
in August 2001• Construct 200km ice road to the site in November and
December• Build a drill rig, camp etc. and complete the engineering to
do things that have not been done before• Spud the first well on Christmas day • Manage 100 scientist and 100 technical staff• Get it all done and get out before breakup
Mallik 2002Mallik 2002Credit due to many..Japex Canada Ltd./Canadian
Petroleum Engineering,APA Engineering, Akita Drilling, Advanced GeotechnologyNorthern contractors
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0
500
1000Gas
Free Gas
hydrates
permafrost
Depth (m)
ProductionResearch Well
5L-38 Observation Well
3L-38 Observation Well
4L-38
5.5 in40m 40m
Production research well: Mallik 5LProduction research well: Mallik 5L--3838•• Dedicated Dedicated wirelinewireline coring program coring program
through the gas hydrate zones and through the gas hydrate zones and beneath the free gas zonebeneath the free gas zone
•• Open hole/cased hole geophysical Open hole/cased hole geophysical logging programlogging program
•• DTS temperature monitoringDTS temperature monitoring
MallikMallik 20022002-- OperationsOperations
2 observation wells 2 observation wells MallikMallik 3L3L--38 and 38 and 4L4L--38 38
•• cross hole seismic tomography cross hole seismic tomography •• DTS temperature monitoringDTS temperature monitoring
Production TestingProduction Testing•• Pressure drawdown, stress testing, Pressure drawdown, stress testing,
in situ gas and water samplingin situ gas and water sampling•• Thermal flow testingThermal flow testing
Regional StudiesRegional Studies•• 33--D Seismic (Industry survey and D Seismic (Industry survey and
high resolution survey)high resolution survey)•• Long term temperature studiesLong term temperature studies•• Flux measurementsFlux measurements
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MallikMallik 3L, 4L, 5L3L, 4L, 5L--Spud December 25Spud December 25--Completion March 14Completion March 14
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Geophysics ProgramOpen Hole Well Logging
-deployment of advanced tools including NMR log, EPT, DSI, FMI, Pex
Cased Hole Logging-CHFR-RST
X-hole Seismic SurveyVSP O-Offset and Walk-A-
Way
3D Seismic ExperimentPassive MonitoringIndustry 3 D seismic
survey
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Distributed Temperature Sensors
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CORINGCORING•• 33--inch inch wirelinewireline
coring systemcoring system•• Excellent hydrate Excellent hydrate
recoveryrecovery•• Transitions from Transitions from
hydrate to hydrate to water/gas water/gas saturated intervalssaturated intervals
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Vemco Temperature-Pressure logger-Continuous temperature-pressure data inside inner tube and to surface
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Gas hydrate dissociation induced by pressure and thermal change
Production TestingProduction Testing
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Production Testing
Thermal Stimulation Production Testing
• Reservoir response to temperature stimulation
• 13 m test zone with high hydrate saturation
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Gas Hydrate Production
• High quality production data set (succeeded in goal to have ‘controlled formation experiments’)
• X-hole tomography surveys- time series data to map migration of dissociation interface
• Surface Seismic Surveys- time series
• DTS- measurement of formation temperature response to production and return to equilibrium after production
• Complimentary post field laboratory studies
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Gas Hydrate ScienceGas Hydrate Science
• fundamental understanding of distribution/controls on gas hydrate occurrence
• baseline physical property measurements (in-situ and laboratory)
• Enhanced understanding of regional geology and hydrocarbon controls on gas hydrate occurrence
• Enabling of long term monitoring and research to investigate climate change
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Geological Survey of Canada
Bulletin 544
Scientific Results fromMallik 2002 Gas Hydrate ProductionResearch Well Program, Mackenzie Delta,Northwest Territories, Canada
2004
Ressources naturelles Canada
Natural Resources Canada
From Mallik to the FutureInternational Gas Hydrate
Symposium
December 8 to 10, 2003
Hotel New Otani MakuhariChiba (Tokyo area), Japan
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