Method of reducing water influx into gas wells
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United States of America Patent
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Sep 13, 2011
Grant Date -
Jun 12, 2008
app pub date -
Jan 6, 2005
filing date -
Jan 9, 2004
priority date (Note) -
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Abstract
A method of reducing water influx into a wellbore, wherein the wellbore is in fluid communication with a subterranean formation such as a gas producing formation or gas reservoir. The method particularly places a gelant in a desired position down the wellbore and into the formation in order to thereby reduce the influx of water and enhance the resulting gas production. The method includes the steps of first introducing a gelant into the wellbore and second introducing a temporarily stable foam into the wellbore in order to overdisplace the gelant from the wellbore and into the formation.
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