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The AAPG/Datapages Combined Publications Database

Houston Geological Society Bulletin

Abstract


Houston Geological Society Bulletin, Volume 37, No. 2, October 1994. Pages 8-8.

Abstract: Previous Hit3-DNext Hit vs. 2-D Drilling Results, Is There Still a Question?

By

Patricia B. Jeffers, Thomas A. Juranek, and Michael R. Poffenberger
Mobil Exploration & Producing U.S. Inc.

During 1991 and 1992, an aggressive drilling program in the South Texas Lower Wilcox trend was undertaken by Mobil and its partners which has provided a unique opportunity to compare results of locations selected from like vintages of Previous Hit3-DNext Hit and 2-D seismic data. Sixty-nine wells were drilled over this two year period, 32 based on Previous Hit3-DNext Hit seismic data and 37 on the 2-D seismic data. The Previous Hit3-DNext Hit data set consisted of a 1991 vintage 33 square mile seismic survey. The 2-D seismic included 1991 and 1992 vintage data plus reprocessed 1986 vintage data. The results of the 69 wells drilled based on these two data sets show an improvement from a sound 70% success ratio for the 2-D data locations to a much improved 84% success ratio for the Previous Hit3-DTop data locations. The results demonstrate the added value 3-43 seismic had on the bottom line for a project within a relatively low risk producing trend.

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