Wells – Processes – Cementing – plugging or consolidating
Patent
1981-05-14
1983-08-02
Leppink, James A.
Wells
Processes
Cementing, plugging or consolidating
166 57, 166242, 166256, 166261, 166302, E21B 3314, E21B 3600, E21B 43243
Patent
active
043960642
ABSTRACT:
In a method for injecting a gaseous stream into a hot subterranean zone by positioning a casing means in fluid communication with the hot subterranean zone and the surface; insulating a lower portion of the outer surface of the casing, the insulated lower portion including the portion of the casing in the hot subterranean zone; and injecting the gaseous stream into the hot subterranean zone through the casing at a rate sufficient to maintain the casing below a selected maximum temperature, the improvement comprising: the use of a reduced diameter casing as the lower portion of the casing. An apparatus useful in the practice of the improved method is disclosed.
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patent: 3130264 (1964-02-01), Barron
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patent: 4147213 (1979-04-01), Hollingsworth
Atlantic Richfield Company
Leppink James A.
Scott F. Lindsey
Suchfield George A.
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