Crouch, chief ed., Oil and Gas Fields of Colorado, Nebraska,Īnd Adjacent Areas: Rocky Mountain Association of Geologists, p. McKenna, 1983, Cheyenne Wells-Smoky Creek fields, in M.C. Rawling, 2002, 3-D Seismic horizon-based approaches to fracture-swarm sweet spot definition in tight-gas Thesis, University of Kansas, Lawrence, Kansas, 380p. Goebel, E.D., 1966, Stratigraphy of Mississippian rocks in western Kansas: Ph.D. Microcomputer spreadsheet software: 1995 AAPG Mid-Continent Meeting. L., Bohling, G.C., Ullah, S., and Adkins-Heljeson, D., 1996, Log analysis of petrofacies and flow-units with (Accessed December 23, 2005)ĭickson, J.A., 1965, A Modified Staining Technique for Carbonates in Thin Section: Nature, February 6, 1965, p.587.ĭoveton, J.H., Guy, W.J., Watney, W. Sullivan, 2005 Volume based curvature computations illuminate fracture orientations, lower-mid Paleozoic,Ĭentral Basin Platform, West Texas. Marfurt, 2006, Volume based estimates of spectral curvature: accepted for publication in Geophysics.īlummentritt, C.K., K.J. Department of Energy under contract DE-FC26-04NT15504.Īl-Dossary, S., and K.J. Martin Dubois provided insight and technical assistance. KGS staff members John Doveton, Alan Byrnes, Saibal Bhattacharya, Tim Carr, and GeoPLUS Corporation for access to software, and for access to wellĭata. Well data, Seismic Micro-Technology, Inc., Hampson-Russell Limited Partnership, and The authors would like to thank Mull Drilling Company for providing seismic and Various oriented lineaments have been identified on seismic curvature maps and these lineaments may relate to compartment boundaries, closed fractures, and/or open fractures. While production is not directly related to overall structure and thickness of the Spergen, subtle karst features, such as solution-enhanced fractures aligned along structural trends, may impact production. The detailed structure map of the BMS/KYS horizon obtained from the seismic data along with the Keyes isopach map from well tops indicates a drainage pattern suggestive of karst. That another parameter controls well performance. Production is not well correlated with matrix porosity, suggesting Productive Spergen exhibits a variety of lithofacies and a wide range of matrix porosities. Reservoir in Cheyenne Wells and Smoky Creek fields. Core, log, and seismic data provide complementary information about the Spergen
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