E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/17
E21B 43/10 (2006.01) C04B 18/08 (2006.01) C09K 8/42 (2006.01) C09K 8/46 (2006.01) E21B 43/16 (2006.01)
Patent
CA 1233409
Abstract In a hydrocarbon recovery system including CO2 pressurization of an underground formation, a sealing cement comprised of Portland cement and Class C fly ash.
499008
Bruckdorfer Roderick A.
Coleman Samuel E.
Dowell Schlumberger Incorporated
Smart & Biggar
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