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Economic evaluation of a CO/sub 2/ EOR flood at the Rock Creek Field, Roane County, West Virginia

Journal Article · · SPE (Society of Petroleum Engineers) Reserv. Eng.; (United States)
OSTI ID:6756505
The U.S. DOE Morgantown Energy Technology Center and the Pennzoil E and P Co. predicted the recovery and economic potential of a full-field, CO/sub 2/ miscible EOR flood at the Rock Creek field, Roane County, WV. Data used in this evaluation were obtained from two miscible CO/sub 2/ Rock Creek field tests: (1) a pilot test consisting of two contiguous normal five-spot patterns, each containing 10 acres (4 ha), and (2) a 1.55-acre (0.63-ha) normal four-spot minitest. Core date from the eight injection wells and three observation wells were used to determine reservoir input parameters, and fluid samples were analyzed to obtain fluid properties. A predictive model was used to calculate oil recovery and project economics. The model's base-case run showed that an oil price of $39/bbl($245/m/sup 3/) was required to produce a 15% discounted cash flow rate of return (DCF ROR). A sensitivity study was then conducted on operating parameters (i.e., pattern size, water-alternating-gas (WAG) ratio, total HCPV of WAG injected, and injection rate) and economic parameters (e.g., oil price and CO/sub 2/ cost) to determine their effect on project performance and project economics.
Research Organization:
U.S. DOE Morgantown Energy Tech. Center, Morgantown, WV (US)
OSTI ID:
6756505
Journal Information:
SPE (Society of Petroleum Engineers) Reserv. Eng.; (United States), Journal Name: SPE (Society of Petroleum Engineers) Reserv. Eng.; (United States) Vol. 3:3; ISSN SREEE
Country of Publication:
United States
Language:
English