E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
31/21
E21B 43/25 (2006.01) C09K 8/508 (2006.01) C09K 8/88 (2006.01) E21B 33/138 (2006.01) E21B 43/26 (2006.01)
Patent
CA 1330388
ABSTRACT The invention uses resins which are only partly soluble in oil. In particular, an ethoxylated stearyl alcohol with an HL of 15 will be used. This results in a cake with very low permeability, but which can be easily broken up by inverse flow, and with much greater temperature stability.
569866
Doerler Nicole
Lietard Olivier
Piot Bernard
Dowell Schlumberger Canada Inc.
Smart & Biggar
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