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The AAPG/Datapages Combined Publications Database

Wyoming Geological Association

Abstract


Eastern Powder River Basin - Black Hills; 39th Annual Field Conference Guidebook, 1988
Pages 105-116

Integration of Stratigraphic High Resolution Dipmeter Data into the Development of the Minnelusa "B" Sand Reservoir in Hawk Point Field, Campbell County, Wyoming

Steven D. Jorgensen, Susan W. James

Abstract

The Stratigraphic High Resolution Dipmeter (SHDT*) can be used to accurately define the sedimentary and reservoir complexities of the eolian environment. At Hawk Point Field, the Upper Minnelusa Formation reservoir sand contains between 13 and 19 dunes in each well as identified by the SHDT. Average dune thickness is 4.5 ft. Porosity and permeability variations occur between dune sets and in interdune areas. These potential barriers to fluid movement in the reservoir were identified on five SHDT logs run in the field. A core was taken on one well and the SHDT was calibrated to the core. As a result of using the SHDT to identify wind direction and major permeability trends, successful development wells were added to Hawk Point Field.


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