Apparatus for testing a nitrogen-gas-stabilized cement

Details Apparatus for testing a nitrogen-gas-stabilized cement Apparatus for testing a nitrogen-gas-stabilized cement

1981-11-10

1984-05-15

Turk, Arnold

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

73149, 436148, G01N 700, G01N 3338

Patent

active

044487517

ABSTRACT:
A testing apparatus is provided for measuring changes in the bulk volume and gas permeability of a cement slurry, such as one formed by dissolving in the slurry mix water a correlated amount of gas-forming reactants having a delayed rate of reaction such that the gas production occurs mainly at the time the volume of the slurry mix water is being reduced to a low value during the setting and hardening of the cement.

REFERENCES:
patent: 1309702 (1919-07-01), Skinner
patent: 1986196 (1935-01-01), Grosse
patent: 2038044 (1936-04-01), Heald
patent: 2236583 (1941-04-01), Selvig
patent: 2498198 (1950-02-01), Beeson
patent: 2668437 (1954-02-01), Patch
patent: 3476283 (1969-11-01), Heinze et al.
patent: 3675493 (1972-07-01), Hicks et al.
patent: 3864086 (1975-02-01), Geist et al.

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