Cement accelerator

Details Cement accelerator Cement accelerator

E - Fixed Constructions

21

B

31/30

E21B 43/12 (2006.01) C04B 28/02 (2006.01) C09K 8/46 (2006.01) E21B 33/13 (2006.01) E21B 33/138 (2006.01)

Patent

CA 2036660

A method of accelerating the set of retarded cement characterized by contacting the retarded cement slurry with a solution containing an effective amount of a compatible accelerator. The compatible accelerator is selected from the group consisting of triethanolamine, diethanolamine and monoethanolamine. This may be employed in overwashing operations, treating retarded cement that is injected into open areas in the well or treating the set of a plug of retarded cement in a well to effect acceleration and/or viscosification of the cement. Also disclosed are specific uses.

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