Wells – Processes – Cementing – plugging or consolidating
Patent
1981-04-20
1983-07-19
Novosad, Stephen J.
Wells
Processes
Cementing, plugging or consolidating
106 90, 166305R, 405267, E21B 33138
Patent
active
043939392
ABSTRACT:
A process for treating a subterranean formation with an aqueous cement composition and minimizing damage to formation permeability by said composition filtrate comprising mixing with said composition at least one polycationic polymer having a molecular weight of about 400 to 6,000,000 prior to treating said formation.
REFERENCES:
patent: 2947360 (1960-08-01), Bernard
patent: 3094501 (1963-06-01), Wahl et al.
patent: 3104704 (1963-09-01), Kucera et al.
patent: 3578781 (1971-05-01), Abrams et al.
patent: 3931096 (1976-01-01), Guilbault et al.
patent: 3943996 (1976-03-01), Guilbault et al.
Borchardt John K.
Smith Charles W.
deBrucky G. Keith
Halliburton Services
Novosad Stephen J.
Suchfield George A.
Weaver Thomas R.
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