C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/24
C09K 8/32 (2006.01)
Patent
CA 1314702
Abstract of the Disclosure An invert emulsion drilling fluid comprised of a liquid oleaginous medium, water, an emulsifier and a gellant comprised of sulfonated ethylene/propylene/5-phenyl-2- norbornene terpolymer and an organophilic clay.
586237
Shumate Thomas G.
Sokol Louis P.
Kirby Eades Gale Baker
Nl Baroid Inc.
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