Composition for a lightweight cement slurry for cementing...

Details Composition for a lightweight cement slurry for cementing... Composition for a lightweight cement slurry for cementing...

E - Fixed Constructions

21

B

31/24

E21B 33/14 (2006.01) C04B 24/26 (2006.01) C04B 28/02 (2006.01) C09K 8/42 (2006.01)

Patent

CA 1261131

ABSTRACT A lightweight cement slurry composition having a density in the range of 1.2 to 1.6, containing a solid extender agent and an SBR latex. The ratio of the liquid volume to the slurry volume should be less than 70% and preferably less than 63%. The lightweight slurry then presents a most attractive set of properties which could not be obtained previously, and in particular gas channelling is controlled. Sole figure

510341

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