Wells – Processes – Heating – cooling or insulating
Patent
1992-12-10
1994-08-23
Neuder, William P.
Wells
Processes
Heating, cooling or insulating
166313, E21B 4324
Patent
active
053399048
ABSTRACT:
A steam, carbon dioxide, or solvent injection method is used in combination with a cased well completed to have an upper vertical section, a lower vertical section and a horizontal section which connects the two vertical sections. Steam, carbon dioxide, or solvent is injected down tubing in the well and through perforations near the lower portion of the lower vertical section of the well and into an oil-bearing formation that is penetrated by the well. Oil is produced from the formation via perforations in the casing in the upper vertical section and thence upward through the annulus formed between the tubing and the casing to the surface of the earth for recovery.
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Abou-Sayed Ibrahim S.
Jennings, Jr. Alfred R.
Hager Jr. George W.
McKillop Alexander J.
Mobil Oil Corporation
Neuder William P.
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