Cementing against evaporites

Details Cementing against evaporites Cementing against evaporites

1976-08-16

1978-05-16

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

106 90, E21B 3314

Patent

active

040893766

ABSTRACT:
This specification discloses a method of cementing pipe in a well and discloses a cement slurry which may be used for cementing pipe against evaporite sections penetrated by the well. The cement slurry is formulated from hydraulic cement, silica flour, attapulgite, sodium chloride, weighting agent, dispersing and retarding agent, and water, and has a density within the range of about 13.0 to 21.0 pounds per gallon.

REFERENCES:
patent: 2805719 (1957-09-01), Anderson
patent: 2961044 (1960-11-01), Shell
patent: 3064957 (1962-11-01), Jacoby
patent: 3071481 (1963-01-01), Beach et al.
patent: 3197317 (1965-07-01), Patchen
patent: 3208523 (1965-09-01), Coyle et al.
patent: 3360046 (1967-12-01), Johnson et al.
patent: 3467193 (1969-09-01), Messenger
patent: 3581825 (1971-06-01), Messenger
patent: 3937282 (1976-02-01), Shryock

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