E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
31/8
E21B 33/13 (2006.01) C04B 22/00 (2006.01) C04B 28/26 (2006.01) C09K 8/14 (2006.01) C09K 8/42 (2006.01)
Patent
CA 1242071
Process and composition for cementing wells passing through salt formations ABSTRACT OF THE DISCLOSURE The present invention relates to a composition for cementing, containing a small amount of NaCI and from 35 to 150 I/t of sodium silicate. A cement-salt bond having good characteristics such as rheology, fluid loss, etc... is obtained.
470362
Schlumberger Canada Limited
Smart & Biggar
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