Non-poluting anti-stick water-base drilling fluid modifier and m

Details Non-poluting anti-stick water-base drilling fluid modifier and m Non-poluting anti-stick water-base drilling fluid modifier and m

1991-03-06

1992-06-09

Maples, John S.

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

252 493, 252 495, 252 52A, 2523115, 106277, 175 72, 166301, 507136, C09K 702

Patent

active

051207087

ABSTRACT:
A water-based drilling fluid additive composition comprising a water soluble polyoxyalkylene compound selected from polyoxyalkylene glycols, monoalkylethers of polyoxyalkylene glycols, and mixtures thereof, which have a cloud point in the range from about 60.degree. F. to about 180.degree. F., in combination with a water dispersible particulate asphalt having an ASTM D-36 softening point of at least 290.degree. F., an ASTM D-5 penetration depth not exceeding about 10 mm, and a particulate size not exceeding more than about 10 percent retained on a 40 mesh U.S. screen.

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