US PATENT SUBCLASS 507 / 910
EARTH BORING FLUID DEVOID OF DISCRETE AQUEOUS PHASE
Current as of:
June, 1999
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507 /
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EARTH BORING, WELL TREATING, AND OIL FIELD CHEMISTRY
910
EARTH BORING FLUID DEVOID OF DISCRETE AQUEOUS PHASE
DEFINITION
Classification: 507/910
EARTH BORING FLUID DEVOID OF DISCRETE AQUEOUS PHASE:
Subject matter wherein the earth boring fluid is devoid of a discrete aqueous phase.
(1) Note. In the absence of disclosure to the contrary, oil-based drilling fluids with less than 10 percent water have no discrete aqueous phase.
