Results from coalbed methane drilling in Winn Parish, Louisiana
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A coalbed methane (CBM) well in Winn Parish, Louisiana, named CZ Fee A No. 114, was drilled by Vintage Petroleum, Inc., in January 2004. The CZ Fee A No. 114 CBM well was drilled to a total depth of 3,114 ft and perforated at 2,730-2,734 ft in a Wilcox Group (Paleocene-Eocene) coal bed. Average monthly gas production for the reporting period August 1, 2004, through May 1, 2005, was 450 thousand cubic feet (Mcf) (Louisiana Department of Natural Resources, 2005). Analytical data from the drilling project were released by Vintage Petroleum, Inc., and by the current well operator, Hilcorp Energy Corporation, to the Louisiana Geological Survey (LGS) and the U.S. Geological Survey (USGS) for publication in this report.
Contents
- Introduction
- Analytical Methods
- Coal Samples
- Gas Desorption Analyses
- Coal Quality Analyses
- Petrographic Analyses
- Methane Adsorption Analyses
- Produced Water Analyses
- Gas-in-place Calculations
- Acknowledgements
- References cited
