C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/467 (2006.01) E21B 33/13 (2006.01) E21B 33/14 (2006.01) E21B 43/22 (2006.01)
Patent
CA 2535230
The present invention provides subterranean fluids comprising a hydraulic cement in an invert emulsion, and methods of using such fluids in subterranean well cementing operations. The fluids comprise a hydraulic cement and an invert emulsion of oil, water, and a surfactant. Optionally, other ingredients may be included in the fluids.
La présente invention concerne des fluides souterrains, composés d'un ciment hydraulique en émulsion inverse, ainsi que des procédés d'utilisation de ces fluides dans des opérations de cimentation de puits souterrains. Ces fluides sont composés d'un ciment hydraulique et d'une émulsion inverse d'huile, d'eau et d'un tensioactif. D'autres ingrédients peuvent être, éventuellement, incorporés à ces fluides.
Brothers Lance E.
Palmer Anthony V.
Halliburton Energy Services Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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