Application of muds containing scleroglucan to drilling large di

Details Application of muds containing scleroglucan to drilling large di Application of muds containing scleroglucan to drilling large di

1994-11-03

1996-06-11

Tucker, Philip

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

C09K 702

Patent

active

055255876

ABSTRACT:
The present inventors found that the addition of scleroglucan, in particular of unrefined scleroglucan, to the water employed as drilling fluid for drilling wells requiring a high flow rate made it possible to limit formation leaching and improved the removal of cuttings.
The invention may be applied to drilling of large-diameter wells.

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