Method of inhibiting scale for high temperature steam wells

Details Method of inhibiting scale for high temperature steam wells Method of inhibiting scale for high temperature steam wells

1975-09-26

1976-05-25

Novosad, Stephen J.

Wells

Processes

166279, 166310, 21 25A, 252180, 210 58, C02B 506, C23F 1402, E21B 4300

Patent

active

039586359

ABSTRACT:
A method of inhibiting the formation of scale from aqueous solutions containing scale-forming ions at temperatures of 400.degree. F. and above during production and utilization of such aqueous solutions comprising adding to the solutions certain substituted iminodi(methylene phosphonic acid) compounds or a water-soluble salt thereof.

REFERENCES:
patent: 3336221 (1967-08-01), Ralston
patent: 3467192 (1969-09-01), Nolan et al.
patent: 3613788 (1971-10-01), Kautsky
patent: 3663448 (1972-05-01), Ralston
patent: 3699048 (1972-10-01), Krueger et al.
patent: 3743603 (1973-07-01), Redmore
patent: 3782468 (1974-01-01), Kuwada
patent: 3809654 (1974-05-01), Mitchell
patent: 3867286 (1975-02-01), Quinlan

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