Wells – Processes – Cementing – plugging or consolidating
Patent
1989-08-14
1990-09-04
Suchfield, George A.
Wells
Processes
Cementing, plugging or consolidating
106719, 106803, 166291, 166300, E21B 33138, E21B 3314, E21B 3316
Patent
active
049536206
ABSTRACT:
What is disclosed is a method of accelerating the set of a retarded cement. The cement may range from a drilling fluid containing dispersants or retarders that will slow down the set of the drilling fluid when cementitious fluid is added thereto, through overwashing, or treating a retarded primary or remedial cement that may have been injected into fractures or areas within a well to overwashing a plug or any volume of retarded cement that needs to be set in a well.
The specific uses are discussed.
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patent: 4261755 (1981-04-01), Berry et al.
patent: 4276182 (1981-06-01), Beirute
patent: 4419138 (1983-12-01), Popovics
patent: 4502887 (1985-03-01), Tsuda
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patent: 4548270 (1985-10-01), Eilers
patent: 4769077 (1988-09-01), Crocker
patent: 4838352 (1989-06-01), Oberste-Padtberg et al.
Bloys J. Benjamin
Carpenter Robert B.
Wilson William N.
Atlantic Richfield Company
Fails James C.
Mantooth Geoffrey A.
Suchfield George A.
Zobal Arthur F.
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