Well treating process and composition

Details Well treating process and composition Well treating process and composition

1984-03-12

1984-10-23

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 81, 106 93, C04B 7353

Patent

active

044786409

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 or very long string cementing, in a single stage, is desired.

REFERENCES:
patent: 3959003 (1976-05-01), Ostroot et al.
patent: 4050948 (1977-09-01), Gandy et al.

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