Compositions – Leather or fur treating
Patent
1982-09-30
1984-01-24
Guynn, Herbert B.
Compositions
Leather or fur treating
252 85M, 252 85P, 166301, C09K 700, C09K 300, E21B 300
Patent
active
044275641
ABSTRACT:
An additive composition effective in the release of stuck pipe in a borehole during a drilling operation which composition contains a propoxylated lactone acid, e.g. a C.sub.8 -C.sub.22 alkyl lactone acids having from 10 to 13 propylene glycol units, an oil-soluble emulsifier-wetting agent and a liquid hydrocarbon diluent and for enhanced elevated temperature emulsion stability may include an imidazoline.
REFERENCES:
patent: 4123373 (1978-10-01), Brois
Brownawell Darrell W.
Gutierrez Antonio
Matthews Patricia C.
Walker Thad O.
Dexter Roland A.
Exxon Research & Engineering Co.
Guynn Herbert B.
Kilby Catherine S.
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