Method for cementing high temperature wells

Details Method for cementing high temperature wells Method for cementing high temperature wells

1977-10-25

1978-09-19

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

106 97, E21B 3314

Patent

active

041146921

ABSTRACT:
A cement system including a carbon-containing, low volatile material additive admixed with cement in proportions sufficient to provide a fixed carbon content of at least 0.02 weight percent is used to cement high temperature wells. Additives include anthracite, calcined coke, uncalcined coke, burned oil shale and raw oil shale.

REFERENCES:
patent: 1573765 (1926-02-01), Forrest
patent: 2285302 (1942-06-01), Patterson
patent: 2665977 (1954-01-01), Englehart
patent: 3036633 (1962-05-01), Mayhew
patent: 3220863 (1965-11-01), Mayhew
patent: 3376146 (1968-04-01), Mitchell
patent: 3447608 (1969-06-01), Fry et al.
patent: 3937282 (1976-02-01), Shryock et al.
patent: 4006031 (1977-02-01), Ferch et al.

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