US PATENT SUBCLASS 507 / 936
.~ Flooding the formation

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

935  DF  ENHANCED OIL RECOVERY {1}
936.~ Flooding the formation {1}
937  DF  .~.~> With emulsion {1}

DEFINITION

Classification: 507/936

Flooding the formation:

Subject matter under art collection 935 wherein the well treating composition is intended to be injected into an oil bearing formation from one well in order to force the oil into at least one other well.