Method and system for surface production of gas from a subterranean zone
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United States of America Patent
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Feb 19, 2013
Grant Date -
Jul 25, 2002
app pub date -
Nov 1, 2001
filing date -
Nov 20, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and system for surface production of gas from a subterranean zone includes forming a drainage pattern in a subsurface zone. The drainage pattern includes a plurality of cooperating bores and has a coverage area extending between the cooperating bores. Water pressure is lowered throughout the coverage area of the subsurface zone without significant subsurface drainage by producing water through the cooperating bores of the drainage pattern to the surface. Gas is produced from the coverage area of the subsurface zone with at least some of the water.
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