Breton, Catherine L.

Duncan, Ian

Holtz, Mark H.

Hovorka, Susan D.

Kim, Eugene

Nunez Lopez, Vanessa

Paine, Jeffrey

Reedy, Reedy C.

Scanlon, Bridget R.

Smyth, Rebecca C.

Tinker, Scott

English

Texas ScholarWorks

Assessment of Geological Storage Capacity of the Southeastern U.S. for CO2 in Brines and Economic Use for EOR   GCCC Digital Publication Series #06-03    Susan D. Hovorka Mark H. Holtz Rebecca C. Smyth Vanessa Núñez López Eugene Kim Caroline L. Breton Bridget R. Scanlon Reedy C. Reedy Jeffrey Paine Scott Tinker Ian Duncan              Cited as:  Hovorka, S.D., Holtz, M.H., Smyth, R.C., Núñez López, V., Kim, E., Breton, C.L., Scanlon, B.R., Reedy, R.C., Paine, J., Tinker, S., and Duncan, I., Assessment of geological storage capacity of the southeastern U.S. for CO2 in brines and economic use for EOR: presented at SECARB Industry Briefing, Atlanta, Georgia, January 18–19, 2006. GCCC Digital Publication Series #06-03.  Keywords: CO2 Storage Capacity- Brine, CO2 Storage Capacity- Eastern Seaboard, CO2 Storage Capacity- Offshore, CO2 Storage Capacity- CO2 EOR, CO2 EOR- Economics  Assessment of Geological Storage Capacity of the Southeastern US for CO2 in Brines and Economic Use for EORPrepared by the Gulf Coast Carbon Center at the Bureau of Economic GeologyThe University of Texas at AustinSusan D. Hovorka, Mark H. Holtz, Rebecca C. Smyth, Vanessa Núñez López, Eugene Kim, Caroline L. Breton, Bridget R. Scanlon, Robert C. Reedy, Jeffery PaineScott Tinker, Director; Ian Duncan, Associate DirectorPrepared for Southeast Regional Carbon Sequestration PartnershipPhase I, led by the Southern States Energy Board1/19/2006, Atlanta GeorgiaAssessing Storage Capacity In Brine… and collect data on areal extent,thickness, CO2 densityporosity, and permeabilitythat permit simple estimates of storage capacity for CO2Identify a porous and permeable rock volume in the subsurface…That is below underground sources of drinking water…and isolated from them and from escape to the atmosphere by one or more sealsIf preceding steps are favorable, proceed to additional steps, includingmatching to sources, estimating cost, permanence, and risk/uncertainly Appalachians and Atlantic Coastal PlainMid-southInteriorGulf CoastRegionAtlanticOffshore WedgeFlorida –South GeorgiaGreens= known capacityOranges and reds = capacity poor to noneBlue outlines = likely capacityunder studyStatus of Capacity AssessmentAppalachians and Atlantic Coastal Plain• Valley and Ridge –complex, likely local capacity• Blue Ridge – no capacity• Piedmont – no capacity• Atlantic coastal plain –capacity only near coast• Nashville dome – poor to no capacityCape Fear FormationCedar Keys/Lawson &other carbonatesModified from Gohn, 1988Minimum Depth 800 mCapacity along the Eastern SeaboardBrine Storage Capacity for Eastern SE  US• Cretaceous of the Atlantic Coastal margin• Mesozoic Rift Basins• North Florida - south Georgia Cretaceous and Mesozoic Rift Basins• Offshore Atlantic  wedge• Southern Florida• West of AppalachiansDetail study eastern seaboard options: lower Potomac Formation Thickness and SalinityThese trends encourage usto explore for geologic storage options on the continental shelf of the eastern US.Formation thickness (m)1000-750750-500500-200200-100100-5050-10<10VANCPower plantAdequate depthFreshSalineNew work on North Florida-South GeorgiaSignificant Capacity Offshore Atlantic WedgeModified from Dillon and Popenoe, 1988Subsea geologic storage in thick sediments [n.b. not “ocean storage”= in ocean waterLarge volumes known from sparse core and seismic surveysFeasibility, cost, and legal/treaty issues to be surveyedMesozoic Rift Basins• Dan River, Deep River, and South Georgia Rift are mostly buried, complex blocks of heterogeneous sediment and basalts, depths in the range of 2 km, with variable permeability and porosity From Schlische, 1995and  McHone 2006Brine Storage Capacity for Western SE  US• Mid South interior• Cretaceous wedge• Tertiary Gulf Coast Wedge• Gulf Coast offshoreGulf Coast StorageB’Cretaceous brine storageGulf Coast brinestorageModified from: (1) Arbenz, 1988, Plate 11, cross section D-D’ and (2) Salvador, 1991, Plate 6, cross section B-B’Gulf Coast WedgeVery large capacity in numeroushigh injectivity sandstones, clay seals,fault bounded compartments, exceptionally well known.  Top MioceneTop WoodbineTop CretaceousOne of many detailed regional data setsCO2-EOR Candidate Reservoirs – Key Element in the Gulf CoastGulf Coast Carbon Center (GCCC)Mission: A global leadership position in economic implementation of large scale greenhouse gas sequestration.SponsorsStorage Capacity associated with CO2 EOR87 1151,1141,3622,67905001,0001,5002,0002,5003,000CO2 Storage Capacity (Million Metric Tons)Mississippi Alabama Louisiana Texas GulfCoastTotalNew CO2 Storage CapacityLooking at Miscible EOR from a Production Standpoint98 891,5003,0274,71405001,0001,5002,0002,5003,0003,5004,0004,5005,000Oil EOR Potential (Million Barrels)Alabama Mississippi Louisiana Texas GulfCoastTotalNew Miscible CO2 EOR PotentialMark Holtz, GCCCCO2 EOR Is not “The Answer” …• Volume of CO2 that could be sold for EOR is large but inadequate to solve the GHG issue• CO2 EOR is  useful only in areas oil production, and is most useful only in certain reservoirs with lighter oil, moderate depth, unitized, with reasonable sweep efficiency.  …but CO2 EOR is a great beginning• Economic or near economic in current market, depending on cost of CO2• Acceptable to public • Other major benefits (domestic energy production, taxes, employment)• Build infrastructure that can be used long term for large volume CO2 disposal = stacked storageModel for Stacked Storage in the Gulf CoastCO2 enhanced oil and gas production to offset development cost and speed implementationVery large volumestorage in stacked brineformations beneathreservoir footprintsNear-term sources and sinks linked in a regional pipeline networkValidation of adequacy of permitting and monitoring protocolsAdd in other sources as capturematuresExtend pipeline system toadditional stacked storage

Assessment of Geological Storage Capacity of the Southeastern U.S. for CO2 in Brines and Economic Use for EOR

https://repositories.lib.utexas.edu/bitstream/2152/66003/2/GCCCDigPub06-03.pdf

Assessment of Geological Storage Capacity of the Southeastern U.S. for CO2 in Brines and Economic Use for EOR

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