Salt stable lubricant for water base drilling fluids

Details Salt stable lubricant for water base drilling fluids Salt stable lubricant for water base drilling fluids

C - Chemistry, Metallurgy

09

K

253/104, 31/30

C09K 3/00 (2006.01) C09K 8/20 (2006.01) C09K 8/22 (2006.01) C10M 105/68 (2006.01)

Patent

CA 1109451

ABSTRACT: A water base drilling fluid having enhanced lubricating properties in the presence of polyvalent cations comprising a mixture of 1) water; 2) finely divided inorganic solids; 3) an alkanolamide of a saturated fatty acid having 8 to 20 carbon atoms, or triglycerides thereof, and 4) an alkanolamide of an unsaturated fatty acid having 18 carbon atoms, or triglycerides thereof. -1-

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