Wells – Processes – With indicating – testing – measuring or locating
Patent
1987-03-16
1988-07-05
Suchfield, George A.
Wells
Processes
With indicating, testing, measuring or locating
166285, 166277, 166292, 166295, 166311, 166312, E21B 33138, E21B 4706, E21B 4710
Patent
active
047548100
ABSTRACT:
A process for sealing casing leaks comprises cleaning out the annulus between the tubing and the casing, situating a gelable mixture in the annulus at the loci of the leak in the casing, pressuring the mixture through the leak into the formation and effecting gelation of the mixture. Optionally, the remaining gelable mixture may be circulated out of the annulus. Gelable mixtures can be comprised of various organic and inorganic gel polymers.
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Bennett Karl E.
Johansen Larry D.
Jurinak Jeff J.
MacKinlay Walter M.
Mowery Chandra L.
Conoco Inc.
Suchfield George A.
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