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

1977-06-23

1981-07-28

Barr, J. L.

Compositions

Leather or fur treating

252 493, 252 515A, C09K 700

Patent

active

042809150

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.

REFERENCES:
patent: 3630898 (1971-12-01), Teeter et al.
patent: 3761410 (1973-09-01), Mondshine et al.

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