Non-hydrocarbon invert emulsions for use in well drilling operat

Details Non-hydrocarbon invert emulsions for use in well drilling operat Non-hydrocarbon invert emulsions for use in well drilling operat

1990-06-11

1991-10-15

Stoll, Robert L.

Compositions

Leather or fur treating

252 8511, 252 8515, 252 8514, 166301, C09K 702

Patent

active

050572342

ABSTRACT:
Brine-in-glycol emulsions are shown for use as well working fluids. The fluids have a glycol external phase and a brine internal phase. The separate phases are emulsified to create an emulsion and weighted with traditional weighting agents. The external phase is soluble or dispersible in sea water when diluted upon discharge.

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