E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
31/14, 48/47
E21B 33/14 (2006.01) C04B 22/04 (2006.01) C09K 8/46 (2006.01)
Patent
CA 1238784
Abstract of the Disclosure An essentially dry gas generation retarded aluminum powder for oil field cements is provided. The retarded alu- minum powder is formed by dissolving an effective amount of an aluminum reaction rate retarder in an organic solvent, the retarder being selected from fatty acid esters of sor- bitan, glycerol and pentaerythritol. Aluminum powder is mixed with the retarder-solvent solution whereby the alumi- num powder is wetted with the solution followed by drying the aluminum powder by vacuum evaporating and removing the organic solvent therefrom. Methods of forming gas genera- tion retarded oil field cements and using such cements are also provided.
495042
Burkhalter John F.
Sutton David L.
Company Halliburton
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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