Wells – Processes – Cementing – plugging or consolidating
Patent
1977-02-07
1981-10-27
Novosad, Stephen J.
Wells
Processes
Cementing, plugging or consolidating
106 90, 106315, C04B 702, C04B 735, C07G 100, E21B 3313
Patent
active
042968135
ABSTRACT:
Wells and like borings into the earth's surface, especially those for the production of petroleum and gas, are very well and efficaciously cemented with cement compositions or pastes containing, as their effective gel control and cement set retardation agent, an additive that is a resulfonated, alkaline oxidized, hydrolyzed, partially desulfonated lignosulfonate product.
REFERENCES:
patent: 3100526 (1963-08-01), Martin
patent: 3582375 (1971-06-01), Tragesser
patent: 3723145 (1973-03-01), Haldas et al.
patent: 3748159 (1973-07-01), George
patent: 3754953 (1973-08-01), Martin
patent: 4047567 (1977-09-01), Childs et al.
Detroit William J.
Sanford Michael E.
American Can Company
Auber Robert P.
Novosad Stephen J.
Rudy N. Jerome
Ziehmer George P.
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