Composition for a lightweight cement slurry for cementing oil an

Details Composition for a lightweight cement slurry for cementing oil an Composition for a lightweight cement slurry for cementing oil an

1985-08-19

1988-01-26

Suchfield, George A.

Wells

Processes

Cementing, plugging or consolidating

523130, 524 3, 524 6, 524 8, C04B 235, E21B 3314

Patent

active

047211601

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.

REFERENCES:
patent: 4537918 (1985-08-01), Parcevaux et al.

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