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The Application of 2D and 3D Seismic Previous HitDataNext Hit in the Exploration for Cherokee ChannelsÑTombstone Gap Previous HitFieldNext Hit, Ness County, Kansas


William A. Miller.  Miller Consulting Services, Littleton, Colorado 80122  [email protected]


The discovery and development of Tombstone Gap Previous HitfieldNext Hit in Ness County, Kansas, is a classic Previous HitexampleNext Hit of the evolution of a prospect from the original subsurface lead to the shooting of 2D seismic Previous HitdataNext Hit followed by 3D seismic Previous HitdataNext Hit. It also provides a comparison of the effectiveness of 2D versus 3D seismic Previous HitdataNext Hit in imaging Cherokee sandstones deposited in channels incised into the underlying Mississippian carbonates and in determining geologic structure.


The original prospect well was drilled solely on the basis of subsurface Previous HitdataNext Hit and did encounter almost 80 gross feet of the target Cherokee sandstones. The reservoir was wet, however, and the initial well was completed dry and abandoned. Approximately 6.0 miles of 2D seismic Previous HitdataNext Hit were then acquired to further delineate the prospect and subsequently led to the drilling of the successful discovery well. A 4.0-square-mile 3D seismic survey was acquired after the discovery and guided the development drilling of the Previous HitfieldNext Hit. In order to further define the extents of the Previous HitfieldNext Hit, an additional 2.0-square-mile 3D seismic survey was later acquired and merged in Previous HitdataNext Hit processing into the original 3D survey. The presentation will show how the interpretation of the geometry of the Cherokee channel system evolved as additional seismic Previous HitdataTop were acquired.




AAPG Search and Discover Article #90067©2007 AAPG Mid-Continent Section Meeting, Wichita, Kansas