Well treating process and composition

Details Well treating process and composition Well treating process and composition

1983-01-27

1984-09-11

Suchfield, George A.

Wells

Processes

Cementing, plugging or consolidating

106 76, 106 93, E21B 3314

Patent

active

044704631

ABSTRACT:
A process for treating a subterranean zone by emplacing therein a hardenable aqueous slurry and then permitting the slurry to harden, where the slurry comprises a hydraulic cement, water, sodium bentonite, sodium metasilicate, and a hydroxyethyl cellulose.
The composition and process employing same is particularly useful in the treatment of oil and gas wells where cementing of a weak formation of very long string cementing, in a single stage, is desired.

REFERENCES:
patent: 2580565 (1952-01-01), Ludwig
patent: 2961044 (1960-11-01), Shell
patent: 2985239 (1961-05-01), Shell
patent: 3198139 (1965-02-01), Kennedy et al.
patent: 3483007 (1969-12-01), Hook
patent: 3672173 (1972-06-01), Paramore et al.
patent: 3876005 (1975-04-01), Fincher et al.
patent: 4402752 (1983-09-01), Chesney, Jr.

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