E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
31/24
E21B 33/138 (2006.01) C09K 8/88 (2006.01)
Patent
CA 1262508
TITLE COMPOSITION AND METHOD FOR TEMPORARILY REDUCING PERMEABILITY OF SUBTERRANEAN FORMATIONS Abstract of the Invention This invention relates to a composition and method of temporarily reducing the permeability of subterranean formations penetrated by a wellbore. In particular, it relates to an inexpensive, low molecular weight condensation product of hydroxy acetic acid with itself or compounds containing other hydroxy-, carboxylic-acid-, or hydroxycarboxylic-acid moieties and method for preventing fluid loss during well treatment.
524864
Bellis Harold E.
Mcbride Edward F.
Bellis Harold E.
E. I. Du Pont de Nemours And Company
Mcbride Edward F.
Mccallum Brooks & Co.
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