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Target reservoirs for CO2miscible flooding. Vol 2: pt 2

This report describes work performed by Gruy Federal, Inc., as the second of six tasks under contract with the US Department of Energy. The stated objective of this study is to build a solid engineering foundation to serve as the basis for field mini- and pilot tests in both high and low oil saturation carbonate reservoirs for the purpose of extending the technology base in carbon dioxide miscible flooding. The six tasks in this study are: (1) summary of available CO/sub 2/ field test data; (2) summary of existing reservoir and geological data; (3) selection of target reservoirs; (4) selection of specific reservoirs for CO/sub 2/ injection tests; (5) selection of specific sites for test wells in carbonate reservoirs; and (6) drilling and coring activities. The report for Task Two consists of a summary of existing reservoir and geological data on carbonate reservoirs located in west Texas, southeast New Mexico, and the Rocky Mountain states. It is contained in two volumes, each with several parts. The present volume, in four parts, is a summary of reservoir data for fields in the Rocky Mountain states. Volume One contains data for Permian basin fields in west Texas and southeast New Mexico. While a serious effort was made to obtain all publicly available data for the fields considered, sufficiently reliable data on important reservoir parameters were not always available for every field.The data in Volume II show 143 carbonate reservoirs in the study area may be suitable for CO/sub 2/ miscible flooding. Using a general estimate of enhanced oil recovery by CO/sub 2/ flooding of 10% of original oil in place, some 619 million barrels of oil could be recovered by widespread application of CO/sub 2/ flooding in the study area. Mississippian and Ordovician reservoirs appear to be the most promising targets for the process.

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Last Updated December 17, 2014, 12:58 (EST)
Created December 17, 2014, 12:57 (EST)
Citation Cobb, L.B., & Marlow, R. (1981). Target reservoirs for CO/sub 2/ miscible flooding. Task two: summary of available reservoir and geological data. Vol. II: Rocky Mountain states geological and reservoir data. Part 2: Williston basin and Sweetgrass arch fields ANTELOPE-Madison through KUROKI-Madison. Final report.
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