Nonconducting thread lubricant

Details Nonconducting thread lubricant Nonconducting thread lubricant

1984-06-28

1986-09-23

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 26, 252 58, C10M13104, C10M14100

Patent

active

046134433

ABSTRACT:
A nonconducting pipe thread lubricating composition for use in a drill string capable of transmitting electrical signals from a downhole location to the surface of the earth. The composition includes hard and soft moderately deforming materials such as polyphenylene sulfide and talc, and a lubricating solid such as polytetrafluoroethylene dispersed in a viscous lubricating base preferably a lithium based grease.

REFERENCES:
patent: 2543741 (1951-02-01), Zweifel
patent: 3309313 (1967-03-01), Callahan, Jr.
patent: 3526593 (1970-09-01), Oliver et al.
patent: 4379062 (1983-04-01), Prengaman

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