Method and apparatus for inhibiting corrosion of well tubing

Details Method and apparatus for inhibiting corrosion of well tubing Method and apparatus for inhibiting corrosion of well tubing

1985-03-05

1987-05-19

Novosad, Stephen J.

Wells

Processes

With indicating, testing, measuring or locating

166310, 166902, E21B 4102

Patent

active

046659811

ABSTRACT:
Method and apparatus of inhibiting corrosion of well tubing. A corrosion monitor detects the concentration of a corrosive element in fluid produced from well tubing. Corrosion inhibitor is injected into the tubing by a pump at the depth at which water vapor condenses. A computer is programmed with a formula which generates an optimum concentration of corrosion inhibitor for a given concentration of the corrosive element. The computer is operatively connected to the monitor and receives data therefrom to generate a signal which is used to control the pump speed.

REFERENCES:
patent: 3096819 (1963-07-01), White, Jr. et al.
patent: 4354553 (1982-10-01), Hensley
patent: 4436148 (1984-03-01), Maxwell
patent: 4480687 (1984-11-01), Terral
Paper No. SPE 11185 entitled "Corrosion Mitigation-A Critical Facet of Well Completion Design", by J. Bradburn, presented in 1982 by the Society of Petroleum Engineers.
Brochure of Petrolight Oil Field Chemicals Groups entitled "CO.sub.2 EOR/TSA", (c 1984).
Brochure of Petrolight Corporation entitled "Tretolite EOR/TSA Service", (c 1983).
Brochure of Petrolight Corporation entitled "E/R Electrical Resistance Corrosion-Monitoring Instruments", (c 1982).
Brochure of Petrolight Corporation entitled "Corrosion Monitoring", (c 1982).

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