Cement compositions for cementing of wells enabling gas channell

Details Cement compositions for cementing of wells enabling gas channell Cement compositions for cementing of wells enabling gas channell

1986-01-17

1988-08-30

Capella, Steven

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106315, 524 6, 523130, 166293, C04B 2420, E21B 3313

Patent

active

047674601

ABSTRACT:
The cement compositions according to the invention are designed for cementing wells, in particular oil and gas or geothermal wells, and for withstanding very high temperatures.
A combination of styrene-butadiene latex and a polyoxyethylenated nonylphenol stabilizer of this latex is provided. Cement sets at a right angle and gas migration in the annulus is prevented.

REFERENCES:
patent: 4486562 (1984-12-01), Fischer et al.
patent: 4537918 (1985-08-01), Parcevaux et al.

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