Use of oil-wetting spacers in cementing against evaporites

Details Use of oil-wetting spacers in cementing against evaporites Use of oil-wetting spacers in cementing against evaporites

1977-12-19

1978-11-07

Novosad, Stephen L.

Wells

Processes

Cementing, plugging or consolidating

106 90, 166291, E21B 3314

Patent

active

041240758

ABSTRACT:
This specification discloses a method of cementing pipe in a well and discloses the use of a designed oil-wetting liquid and cement slurry for cementing pipe against evaporite sections penetrated by the well. The cement slurry is formulated from hydraulic cement, silica flour, ionization control agent, sodium chloride, weighting agent, dispersing and retarding agent, and water, and has a density within the range of about 15.8 to 21.0 pounds per gallon.

REFERENCES:
patent: 2238930 (1941-04-01), Chamberlain et al.
patent: 3071481 (1963-01-01), Beach et al.
patent: 3197317 (1965-07-01), Patchen
patent: 3375869 (1968-04-01), Messenger
patent: 3396105 (1968-08-01), Burdyn et al.
patent: 3411580 (1968-11-01), McKinney et al.
patent: 3467193 (1969-09-01), Messenger
patent: 3688845 (1972-09-01), Messenger
patent: 3806571 (1974-04-01), Ronnmark et al.
patent: 3937282 (1976-02-01), Shryock et al.
patent: 3976494 (1976-08-01), Kudo et al.

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