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HOGAN, Previous HitJOHNNext Hit V., WALTER J. HENDRICKSON, PAUL W. SMITH, CHARLIE E. WILLEY, and RONALD J. Previous HitWOODSTop
IHS Energy Group, Oklahoma City, Oklahoma

Abstract: Lansing Reef and Stratigraphic Trapping on the Slope Front in the Douglas and "Tonkawa" at the Edge of the Hugoton Platform

The Lansing and Kansas City Formations belong to the Missourian Series, Hoxbar Group of the Pennsylvanian. They are generally represented by a series of thin limestone beds (Avant, Hogshooter and Checkerboard) separated by thin shales having high gamma radiation readings. In the shelf and basin of Oklahoma, sandstones are present between these markers (Cottage Grove, Layton and Cleveland). These areas are representative of high clastic input. In the northern shelf of the Texas Panhandle the sandstones are absent. The limestone markers thicken dramatically over short horizontal distances, generally becoming the massive carbonate banks of the Hugoton Embayment. Hansford County, Texas is bisected by an appendage of this carbonate bank. This Lansing reef is productive at the crest in stratigraphic traps in the Lansing itself. Production from stratigraphic traps has also come from the overlying clastic formations (Douglas and "Tonkawa") which lap out on the reef structure.

Cross-sections and other pertinent data will be presented that will demonstrate the regional geology which will illustrate the clastic to carbonate sequence. A discussion of the significance of these systems on hydrocarbon trapping and production trends will be included.

AAPG Search and Discovery Article #90921©1999 AAPG Mid-Continent Section Meeting, Wichita, Kansas