Plugging an abandoned well with a polymer gel

Details Plugging an abandoned well with a polymer gel Plugging an abandoned well with a polymer gel

1986-12-22

1988-03-15

Suchfield, George A.

Wells

Processes

Cementing, plugging or consolidating

166294, 166300, E21B 33138

Patent

active

047306750

ABSTRACT:
An abandoned well penetrating a subterranean formation is plugged using a gel comprising a high molecular weight, water-soluble carboxylate-containing polymer and a chromic carboxylate complex crosslinking agent. The gel components are combined at the surface and injected into the wellbore to form a continuous single-phase gel therein.

REFERENCES:
patent: Re32114 (1986-04-01), Argabright et al.
patent: 3613790 (1971-10-01), Stout et al.
patent: 3978928 (1976-09-01), Clampitt
patent: 4275788 (1981-06-01), Sweatman
Shuttleworth and Russel, Journal of the Society of Leather Trades' Chemists, "The Kinetics of Chrome Tannage Part I.," U.K., 1965, v. 49, pp. 133-154; Part III., U.K., 1965, v. 49, pp. 251-260; Part IV., U.K., 1965, v. 49, pp. 261-268.
Von Erdman, Das Leder, "Condensation of Mononuclear Chromium (III) Salts to Polynuclear Compounds," Eduard Roether Verlag, Darmstadt, Germany, 1963, v. 14, p. 249.
Udy, Marvin J., Chromium, vol. 1: Chemistry of Chromium and Its Compounds, Reinhold Publ. Corp., N.Y., 1956, pp. 229-233.
Cotton and Wilkinson, Advanced Inorganic Chemistry 3rd Ed., John Wiley & Sons, Inc., N.Y., 1972, pp. 836-839.

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