Concrete wall casing with centralizers embedded therein

Details Concrete wall casing with centralizers embedded therein Concrete wall casing with centralizers embedded therein

1978-05-12

1980-12-30

Pate, III, William F.

Wells

Guide for device or conduit

On sucker or pump rod

166242, 138175, 52125, E21B 1700

Patent

active

042417899

ABSTRACT:
A concrete well casing comprising a cylindrical reinforcing mesh wire having inner and outer sides and upper and lower ends. A plurality of flat centralizers have their lower ends secured to the wire mesh in a spaced-apart condition adjacent the lower end thereof and extend outwardly and upwardly therefrom. The wire mesh is embedded in concrete to form a casing. Each of the centralizers has an outer end portion which is normally substantially flush with the exterior surface of the casing but which may be deflected or bent outwardly therefrom for engagement with the wall surface of a well bore hole to centralize the casing with respect to the well bore hole as it is being lowered thereinto.

REFERENCES:
patent: 1466986 (1923-09-01), Burgher
patent: 3095041 (1963-06-01), Rasmussen
patent: 3128827 (1964-04-01), Kluck
patent: 3240274 (1966-03-01), Solum
patent: 3420309 (1969-01-01), Beylik
patent: 4011907 (1977-03-01), Clay
patent: 4070832 (1978-01-01), Grosch

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