water-energy nexus, pressure monitoring & produced … · 6/26/2017 · murray, of5-2015. swd...
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WATER-ENERGY NEXUS, PRESSURE MONITORING & PRODUCED WATER
MANAGEMENT CHALLENGESPRESENTED BY DR. KYLE E. MURRAY
EIA 2017 Energy ConferenceThe Energy-Water Nexus and Induced Seismicity
Washington, DCJun 26, 2017
[email protected]://twitter.com/KyleMurrayH2O
http://kylemurray.oucreate.com/http://www.ou.edu/content/ogs/research/water.html
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Wells that Started Producing from 2009–2015
Gr
an
ite
W
as
h
Earthquakes Down Here, avg of 5.5 km depth
Predominant Disposal Zone, avg of 2 km depth
Producing Zones
Geologic Zones Targeted for Production, Injection, & Disposal
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Murray, OF5-2015
SWD in Oklahoma, 2009–2015 w/ map of Arbuckle SWD, 2009–2014
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(Murray, 2017 in preparation)
Earthquakes of Magnitude ≥3.0 from 1/1/2009 to 5/7/2017
3 Sep 2016 M5.8 Pawnee1 Nov 2016 M4.3 Pawnee6 Nov 2016 M5.0 Cushing
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OCC & EPA Volume Reduction Areas after Pawnee & Cushing
DATA GAPS and UNCERTAINTY
Other Factors:Hydraulic FracturingEOR injection (water floods)Oil & Gas ProductionReservoir ImpoundmentsHydrologic Fluctuations
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Arbuckle SWD History in Noble, Pawnee, and Payne Counties
DATA GAPS and UNCERTAINTY
DATA GAPS and UNCERTAINTY
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Arbuckle Pressure Monitoring, Wellhead Configuration and Deployment
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Arbuckle Pressure Monitoring, instrumented wells are labeled
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Anadarko Shelf wells w/o injection effects (Alfalfa 03, Alfalfa 04, Grant 06)
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Cherokee Platform wells w/o injection effects (Logan 12, Noble 13, Noble 14)
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Schematic diagram of the gravitational effects of the Sun and the Moon in the Earth’s crust.
Solid Earth Tide Analysis with Tsoft (Van Camp and Vauterin, 2005)
• 95% of the solid earth tidal strain is the result of five main tidal components
• Some of the tidal components are influenced by atmospheric and earth tide stresses; however, it is more reliable to use components O1 and M2
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Preliminary Results (Arbuckle ROCK PROPERTIES) from Solid Earth Tide Analysis
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Arbuckle ROCK PROPERTIES from Solid Earth Tide Analysis vs Other Studies
• Storage Coefficient is Lower than most previous studies suggest
• Water is not stored in the Arbuckle• Pressure migrates away (laterally or
vertically?) from injection point very quickly
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Cherokee Platform wells w/ poroelastic effects (Payne 07&08)
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Kroll, K. A., Cochran, E. S., and Murray, K. E.,2017, Poroelastic properties of theArbuckle Group in Oklahoma derived from wellfluid level response to the 3 September 2016Mw5.8 Pawnee and 7 November 2016 Mw5.0Cushing Earthquakes: Seismological ResearchLetters, p. 8.
Motivation:Derive poroelastic properties of the Arbuckle from co-seismic fluid level responses
Seismic event (Stress) vs. Fluid level fluctuations (Strain)
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Hypothesis 1: Reservoir properties static through time and space
Hypothesis 3: Spatially static, heterogeneous in time
Hypothesis 2: Spatially heterogeneous, static in time
Which conditions best explain response in wells?
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Saltwater Disposal (SWD) in Permian Basin, Oklahoma, Eagle Ford, & Bakken
Collaborators:Bridget Scanlon & Bob Reedy
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Produced H2O and SWD in Permian Basin, Oklahoma, Eagle Ford, & Bakken
Collaborator:Laura Capper
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• Thoughtful water management can provide a variety of benefits:• Increase value and assets• Reduce drilling, exploration, and sourcing costs• Minimize waste handling costs• Avoid liabilities such as induced seismicity or environmental contamination
• Successful produced water treatment depends on:• Inexpensive source of energy to drive treatment process• Reasonable plan for managing concentrated brine and other wastes
Closing Remarks
[email protected] https://twitter.com/KyleMurrayH2Ohttp://kylemurray.oucreate.com/http://www.ou.edu/content/ogs/research/water.html