E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
31/14
E21B 33/138 (2006.01) C09K 8/518 (2006.01) C09K 8/94 (2006.01)
Patent
CA 2008672
ABSTRACT The invention consists of injecting a delayed gelation system under a foam shape. A better penetration and a better selectivity in the plugging treatment is obtained; acid diversion; water control. Single figure.
Chan Keng S.
Dowell Schlumberger Canada Inc.
Smart & Biggar
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