Method and apparatus for well completion

Details Method and apparatus for well completion Method and apparatus for well completion

1977-10-25

1979-06-12

Novosad, Stephen J.

Wells

Valves, closures or changeable restrictors

166 65R, E21B 4300

Patent

active

041577329

ABSTRACT:
Well completion apparatus is prepared in such a manner that a first metal element and a second metal element of the apparatus will have the capability of acting as a galvanic couple when contacted intimately with an electrolyte. During a sufficient amount of time of contact with the electrolyte, the first metal element will sacrificially corrode providing a passageway for flow of fluids between the interior and exterior of a conduit disposed in a well bore.

REFERENCES:
patent: 1608709 (1926-11-01), Mills
patent: 1804078 (1931-05-01), Baden
patent: 2149617 (1939-03-01), Menaul
patent: 2418343 (1947-04-01), Garol
patent: 2876843 (1959-03-01), Huber
patent: 2926603 (1960-03-01), Lindsay, Jr.
patent: 3057405 (1962-10-01), Mallinger
patent: 3076507 (1963-02-01), Sweetman
patent: 3199585 (1965-08-01), Cronberger
patent: 3273641 (1966-09-01), Bourne
patent: 3312280 (1967-04-01), Koplin
patent: 3333635 (1967-08-01), Crawford
patent: 3360047 (1967-12-01), Burnett
patent: 3390724 (1968-07-01), Caldwell
patent: 3434537 (1969-03-01), Zandmer
patent: 3734181 (1973-05-01), Shaffer
Mills, "Protection of Oil and Gas Field Equipment against Corrosion" , Dept. of Interior, Bureau of Mines Bulletin 233, 1925, pp. 17-25.

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