E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/27
E21B 43/16 (2006.01)
Patent
CA 1259254
ABSTRACT OF THE DISCLOSURE A method of recovering oil from an underground accumulation of oil. The method comprises introducing into the top of the accumulation of oil a gas whereby oil is forced from the accumulation to a well. In par- ticular, oil in recesses opening downwardly is forced downwardly by the gas to leave the recess and migrate to the well. -11-
499238
Fetherstonhaugh & Co.
Resurrection Oil Corporation
LandOfFree
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