C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/21
C09K 8/24 (2006.01)
Patent
CA 1248743
K 9624 A B S T R A C T DRILLING FLUID A drilling fluid comprising: a) at least one polymeric viscosifier b) at least one polymeric fluid loss reducer c) at least one high molecular weight organic polycationic polymeric coagulant and/or flocculant. The objective of the present invention is to assess the possibilities of coagulants or flocculants for the improvement of solids removal from the drilling fluid. BMRH04
489046
Shell Canada Limited
Smart & Biggar
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