Wells – Processes – With indicating – testing – measuring or locating
Patent
1977-07-01
1979-02-27
Novosad, Stephen J.
Wells
Processes
With indicating, testing, measuring or locating
166272, 166303, E21B 4324, E21B 47026
Patent
active
041414152
ABSTRACT:
A method for recovering viscous hydrocarbons from subterranean formations involves injecting a hydrocarbon solvent into the formation at spaced intervals to produce permeable regions or streaks in the formation. The injection is preferably directed to those regions of highest oil saturation, i.e., those regions with lowest effective permeability. A subsequent introduction of a heated fluid then will enable recovery of the viscous hydrocarbons in the treated regions and the untreated zones therebetween.
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patent: 3768559 (1973-10-01), Allen et al.
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patent: 4007785 (1977-02-01), Allen et al.
Allen Joseph C.
Brown Alfred
Konopnicki Daniel T.
Wu Ching H.
Novosad Stephen J.
Park Jack H.
Ries Carl G.
Texaco Inc.
Whaley Thomas H.
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