Use of a fluid composition with delayed cross-linking for holding a casing inside a drill hole and method for reinforcing a drill hole
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United States of America Patent
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Apr 7, 2015
Grant Date -
Sep 2, 2010
app pub date -
Jun 17, 2008
filing date -
Jun 19, 2007
priority date (Note) -
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Abstract
A cross-linkable composition with controlled cross-linking as a material is used for fixing and thermally insulating tubes used for casing in drill holes, especially oil drill holes, during exploitation operations, such as oil extraction, in the drill hole. The cross-linkable composition includes at least one diene polyol, at least one polyisocyanate, and at least one heat insulating liquid filler.
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