Well cementing process and gasified cements useful therein

Details Well cementing process and gasified cements useful therein Well cementing process and gasified cements useful therein

1983-04-29

1984-05-22

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

166293, C04B 735, C04B 2102

Patent

active

044500106

ABSTRACT:
A composition for a method of cementing subterranean formations. The cementing composition comprises hydraulic cement, a nitrogen gas generating material, an oxidizing agent, and a reaction rate control material. The concentration of the nitrogen gas generating material is correlated with the pressure and temperature of the cement zone to be cemented so that the flow of gas from the formation into the borehole is suppressed or controlled.

REFERENCES:
patent: 3591394 (1971-07-01), Diggelman et al.
patent: 4142909 (1979-03-01), Gaines
patent: 4304298 (1981-12-01), Sutton
patent: 4333764 (1982-06-01), Richardson
patent: 4340427 (1982-07-01), Sutton
patent: 4367093 (1983-01-01), Burkhalter et al.

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