Fluid loss additive for cement slurries containing a n-vinyl-2-p

Details Fluid loss additive for cement slurries containing a n-vinyl-2-p Fluid loss additive for cement slurries containing a n-vinyl-2-p

1989-12-22

1992-04-28

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524375, 524376, 524377, 524394, 524547, C08K 542, C08F22610

Patent

active

051090422

ABSTRACT:
An additive for reducing water loss from cement comprising a tetrapolymer, base, an electrolyte, at least one surfactant, and water is disclosed. A process for producing cement slurries with improved water loss properties, as well as an improved method for cementing gas and oil wells is also disclosed.

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patent: 4537918 (1985-08-01), Parcevaux
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patent: 4587283 (1986-05-01), Hille
patent: 4602685 (1986-07-01), McKenzie et al.

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