Well fluid additive, well fluid made therefrom, method of treati

Details Well fluid additive, well fluid made therefrom, method of treati Well fluid additive, well fluid made therefrom, method of treati

1996-11-26

1998-06-09

Tucker, Philip

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

507112, 507904, C09K 700, C09K 702

Patent

active

057633673

ABSTRACT:
An drilling fluid additive to reduce loss circulation includes comminuted rice fraction and corn cobs, and includes ground at least one of ground wood fiber, ground nut shells, ground paper and shredded cellophane. A method of treating a drilling fluid includes contacting such drilling fluid additive with the base drilling fluid to form well fluid. A method of operating a well includes circulation of such a well fluid into and out of a borehole.

REFERENCES:
patent: 2779417 (1957-01-01), Clark et al.
patent: 4247403 (1981-01-01), Foley et al.
patent: 4579668 (1986-04-01), Messenger
patent: 5071575 (1991-12-01), House et al.
patent: 5076944 (1991-12-01), Cowan et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, 2nd Edition, vol. 7, pp. 297-299, (1965).

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