Methods, drilling fluids and drilling fluid additives for...

Details Methods, drilling fluids and drilling fluid additives for... Methods, drilling fluids and drilling fluid additives for...

C - Chemistry, Metallurgy

09

K

C09K 8/035 (2006.01) C09K 8/04 (2006.01) E21B 37/06 (2006.01)

Patent

CA 2639680

Drilling fluids, drilling fluid additives and methods for oil well drilling feature quaternary ammonium salts and act to reduce accretion of bituminous material on metal surfaces of drilling equipment.

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