US PATENT SUBCLASS 507 / 926
PACKER FLUID

Current as of: June, 1999
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507 /   HD   EARTH BORING, WELL TREATING, AND OIL FIELD CHEMISTRY

926PACKER FLUID

DEFINITION

Classification: 507/926

PACKER FLUID:

Subject matter wherein the well treating composition is intended to be applied to the well walls to maintain stability of the well, yet will also permit fluids to pass through said walls.