C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 28/04 (2006.01) C04B 24/14 (2006.01) C09K 8/46 (2006.01) E21B 33/14 (2006.01)
Patent
CA 2317004
Biodegradable dispersant and fluid loss control additives for well cements, well cement compositions including the additives and methods of using the well cement compositions are provided. The well cement compositions are basically comprised of a hydraulic cement, water in an amount sufficient to form a slurry and a dispersant and fluid loss control additive comprised of casein. A second fluid loss control agent can optionally also be included in the additive.
Halliburton Energy Services Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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