Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Patent
1997-03-06
1998-07-21
Tucker, Philip
Earth boring, well treating, and oil field chemistry
Well treating
Contains organic component
507923, 507933, 507934, 166311, C09K 702
Patent
active
057835268
ABSTRACT:
The invention provides: (1) a process to enhance the removal of solids such as clays, clay-like solids, and shale solids-drill solids-from the surface of a borehole, the solids being deposited from well drilling, completion, or workover fluids during well servicing operations; and (2) a process to enhance the removal of such solids from screens or other sand control devices present in a borehole. The process comprises contacting the solids with an acidic soak solution containing a polyglycol or mono ether derivative thereof and thereafter contacting the surface of the borehole with a wash solution to remove the solids from the borehole.
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Cashion James P.
Dobson, Jr. James W.
Lauer Robert S.
House Roy F.
Texas United Chemical Company LLC.
Tucker Philip
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