US PATENT SUBCLASS 166 / 272.6
.~.~.~ Liquid material injected

Current as of: June, 1999
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166 /   HD   WELLS

244.1  DF  PROCESSES {39}
268  DF  .~ Distinct, separate injection and producing wells {7}
272.1  DF  .~.~ Involving the step of heating {4}
272.6.~.~.~ Liquid material injected

DEFINITION

Classification: 166/272.6

Liquid material injected:

(under subclass 272.1) Heating wherein the fluid is flowable, wettable, cohesive, has a viscosity which decreases with temperature, and which is above ambient temperature.