Well cementing process and gasified cements useful therein
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United States of America Patent
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-
Dec 8, 1981
Grant Date -
N/A
app pub date -
May 10, 1979
filing date -
May 10, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for cementing adjacent a subterranean gas-containing zone, in which process a cement slurry containing a stabilized, dispersed gas is placed adjacent the zone. Sufficient gas is present in the cement slurry or is capable of being generated within the slurry to prevent the connate formation gas under pressure from passing into or around the cement prior to the time the cement has set up.
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