Method for cementing well pipe

Details Method for cementing well pipe Method for cementing well pipe

1977-03-24

1978-05-23

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

166312, E21B 2100, E21B 3314

Patent

active

040905616

ABSTRACT:
A method for displacing drilling mud from the annular space surrounding well pipe or pipes arranged in a well bore more efficiently when cementing those pipes in the well bore. The method employs a cement slurry containing large particles in the amount of at least about 20 and preferably about 30 pounds per sack of cement.

REFERENCES:
patent: 2326577 (1943-08-01), Teague
patent: 2675082 (1954-04-01), Hall
patent: 3180748 (1965-04-01), Holmgren et al.
patent: 3863718 (1975-02-01), Bruist
McLean et al., "Displacement Mechanics in Primary Cementing", Journal of Petroleum Technology, Feb. 1967, pp. 251-260.

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