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Analysis of three geopressured geothermal aquifer-natural gas fields; Duson Hollywood and Church Point, Louisiana

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Research and Development

  • Link:http://www.osti.gov/bridge/advancedsearch.jsp
  • Source:http://www.osti.gov/rdprojects
  • Resource Type:Technical Report
  • OSTI Identifier:6873295
  • Published Date:2007-05-13
  • Subject:15 GEOTHERMAL ENERGY; GEOPRESSURED SYSTEMS; WELL LOGGING; LOUISIANA; GEOLOGIC STRUCTURES; AQUIFERS; BRINES; HYDROCARBONS; MAPS; PRODUCTION; SAND; ENERGY SYSTEMS; FEDERAL REGION VI; NORTH AMERICA; ORGANIC COMPOUNDS; USA
  • Description:The available well logs, production records and geological structure maps were analyzed for the Hollywood, Duson, and Church Point, Louisiana oil and gas field to determine the areal extent of the sealed geopressured blocks and to identify which aquifer sands within the blocks are connected to commercial production of hydrocarbons. The analysis showed that over the depth intervals of the geopressured zones shown on the logs essentially all of the sands of any substantial thickness had gas produc ...Show More
  • Description:The available well logs, production records and geological structure maps were analyzed for the Hollywood, Duson, and Church Point, Louisiana oil and gas field to determine the areal extent of the sealed geopressured blocks and to identify which aquifer sands within the blocks are connected to commercial production of hydrocarbons. The analysis showed that over the depth intervals of the geopressured zones shown on the logs essentially all of the sands of any substantial thickness had gas production from them somewhere or other in the fault block. It is therefore expected that the sands which are fully brine saturated in many of the wells are the water drive portion of the producing gas/oil somewhere else within the fault block. In this study only one deep sand was identified, in the Hollywood field, which was not connected to a producing horizon somewhere else in the field. Estimates of the reservoir parameters were made and a hypothetical production calculation showed the probable production to be less than 10,000 b/d. The required gas price to profitably produce this gas is well above the current market price. ...Show Less
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