E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/22 (2006.01) C09K 8/50 (2006.01) E21B 33/10 (2006.01) E21B 33/138 (2006.01)
Patent
CA 2231901
The present invention provides oil based compositions and methods of using the compositions for sealing subterranean zones. The compositions are basically comprised of oil, a hydratable polymer, an organophillic clay and a water-swellable clay.
Felio Archie J.
Heathman James F.
Sweatman Ronald E.
Halliburton Energy Services Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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