Well cementing process and gasified cements useful therein

E - Fixed Constructions – 21 – B

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E21B 33/14 (2006.01) C04B 28/02 (2006.01) C09K 8/46 (2006.01)

Patent

CA 1176441

Abstract of Disclosure A process and method for cementing adjacent to a subter- ranean gas containing zone. The cementing compositions com- prise a hydraulic cement, aluminum powder to generate hydrogen gas, and an inhibitor which retards the generation of hydrogen gas produced by the aluminum powder.

406640

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