Enzymatic decomposition of drilling mud

Details Enzymatic decomposition of drilling mud Enzymatic decomposition of drilling mud

1992-04-08

1992-11-24

Suchfield, George A.

Wells

Processes

Cementing, plugging or consolidating

166300, 166312, 252 8552, E21B 3316, E21B 3700

Patent

active

051654776

ABSTRACT:
Drilling mud is rapidly decomposed by admixing one or more enzymes with the mud to selectively degrade one or more polymeric organic viscosifiers therein. A method of cleaning up a well site drilling mud pit containing drilling mud is provided. Also provided are a composition and method of removing residual drilling mud from a wellbore and around the well face.

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Bulletin issued by the American Petroleum Institute entitled "Oil and Gas Well Drilling Fluid Chemicals", API Bul. 13F (1st Ed. Aug. 1978).

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