Additive composition for release of stuck drill pipe
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United States of America Patent
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-
Aug 7, 1984
Issued Date -
N/A
app pub date -
Apr 19, 1982
filing date -
Jul 29, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An additive composition effective in the release of stuck pipe in a borehole during a drilling operation which composition contains propoxylated C.sub.18 -C.sub.32 alkanols, an oil-soluble emulsifier-wetting agent and a liquid hydrocarbon diluent and for enhanced elevated temperature emulsion stability may include an imidazoline.
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