Wells – Processes – Cementing – plugging or consolidating
Patent
1975-02-27
1976-04-27
Novosad, Stephen J.
Wells
Processes
Cementing, plugging or consolidating
E21B 3314, E21B 33138
Patent
active
039528057
ABSTRACT:
Aqueous hydraulic cement compositions containing sulfonated copolymers of styrene-maleic anhydride as flow-property-improving and turbulence-inducing additives and their use in cementing wells is disclosed.
REFERENCES:
patent: 3199588 (1965-08-01), Holbert
patent: 3409080 (1968-11-01), Harrison
patent: 3421584 (1969-01-01), Eilers et al.
patent: 3558335 (1971-01-01), Messenger
Adams Sally Lee
Martin Fred David
Persinski Leonard J.
Calgon Corporation
Novosad Stephen J.
Speer Raymond M.
Suckfield George A.
Westlake, Jr. Harry E.
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