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US 2017/0247294 A1Published application
Settable cement compositions for terminating water flow and associated methods
AssigneeHalliburton Energy Services, Inc.
InventorsKyriacos Agapiou, Thomas J. Pisklak, Larry Eoff
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Abstract
Compositions and methods for terminating water flow in a subterranean formation are described. The compositions include a calcium aluminate cement, a Portland cement, and a non-aqueous carrier fluid.
Claims20
A settable cement composition comprising:
- a calcium aluminate cement;
- a Portland cement;
- and
- a non-aqueous carrier fluid.
1 more element
A settable cement composition comprising:
- a calcium aluminate cement;
- sodium hexametaphosphate;
- a Portland cement;
- and
- diesel oil.
2 more elements
A method of terminating water flow in a subterranean formation comprising:
- preparing a cement composition comprising a calcium aluminate cement, a polyphosphate, a Portland cement, and a non-aqueous carrier fluid;
- introducing the cement composition into the subterranean formation;
- and
- contacting the cement composition with an aqueous fluid to initiate an immediate gelation of the cement composition.
1 more element
Dependencies are inferred from the claim text.