Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Patent
1995-06-07
1997-10-14
Warden, Jill
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
134 2214, 134 40, 166312, 507263, B08B 308
Patent
active
056767633
ABSTRACT:
An improved chemical composition and process for cleaning pipe dope from wellbores has been established. The chemical composition is of an aliphatic hydrocarbon and/or esters with a biodegradable water insoluble monoterpene preferably having a flash point (PMCC) greater than 140.degree. F. the mixture then used neat, or in a dispersion of seawater, being used to remove pipe dope from tubing, casing and the like.
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Search Report Under Section 17, The Patent Office, United Kingdom, Aug. 12, 1996.
Salisbury Darrell P.
Sloan Robert L.
Chaudhry Saeed
Warden Jill
Well-Flow Technologies, Inc.
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