Lightweight cement slurry and method of use

Details Lightweight cement slurry and method of use Lightweight cement slurry and method of use

E - Fixed Constructions

21

B

31/30, 261/48

E21B 33/13 (2006.01) C04B 24/12 (2006.01) C04B 28/26 (2006.01)

Patent

CA 1195346

ABSTRACT OF THE DISCLOSURE A foamed, cement slurry comprising-an aqueous hydraulic cement slurry containing gas as discrete entrained bubbles and a specific quaternary ammonium compound as a foaming agent; and a process of plugging a subterranean void by emplacing the foamed slurry in the subterranean void and then permitting the foamed slurry to therein harden.

426068

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