E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
31/19, 31/21
E21B 33/14 (2006.01) C04B 24/26 (2006.01) C04B 28/02 (2006.01) C09K 8/46 (2006.01)
Patent
CA 1217038
36 ABSTRACT OF THE DISCLOSURE The invention relates to cement compositions for cementing wells, which allow pressure gas-channeling to he effectively controlled up to more than about 485°F. The cement composition contains a styrene- butadiene latex and a stabilizer. The film of latex interrupts gas-channeling after an extremely brief path.
425157
Parcevaux Philippe A.
Piot Bernard M.
Vercaemer Claude J.
Schlumberger Canada Limited
Sim & Mcburney
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