Dispersant coated mineral fiber in a drilling fluid

Details Dispersant coated mineral fiber in a drilling fluid Dispersant coated mineral fiber in a drilling fluid

C - Chemistry, Metallurgy

09

K

31/11

C09K 3/00 (2006.01)

Patent

CA 1284577

Abstract of the Disclosure An oil well drilling fluid containing mineral fibers which have been coated individually with a dispersant is better able to plug voids and fractures in the rock being drilled than those of the prior art because the mineral fibers are thoroughly dispersed. The fluid is substantially free of modulated fibers. A dispersant such as a polyethoxylated quaternary ammonium salt is added to a stream of air which attenuates streams of molten slag into fibers. The fibers are uniformly coated with the dispersant and nodules thereof unravel easily when placed in a drilling fluid.

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