Composition and method for temporarily reducing the...

E - Fixed Constructions – 21 – B

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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

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