Storable nonaqueous cement slurries and methods of using same

Details Storable nonaqueous cement slurries and methods of using same Storable nonaqueous cement slurries and methods of using same

2006-07-05

2009-08-18

Neuder, William P (Department: 3672)

Wells

Processes

Cementing, plugging or consolidating

Reexamination Certificate

active

07575055

ABSTRACT:
A method of servicing a wellbore comprising preparing a nonaqueous storable cementitious composition, mixing said composition with an aqueous fluid and, placing said composition into a wellbore. A method of cementing comprising preparing a mixture of cement, a suspension fluid, a dehydrating agent, a first surfactant, and a suspension aid, adding an aqueous solution and a second surfactant to said mixture and, placing the mixture downhole, and allowing the cement to set. A method of producing a lightweight cement slurry comprising the addition of a nonaqueous fluid to cement and water wherein the water content is less than about 40% by total weight of the composition. A method of servicing a wellbore comprising preparing a cement composition comprising from about 80% by weight cement suspended in a nonaqueous fluid, and stabilizing said cement composition through the addition of a suspension aid.

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