Theft prevention method and apparatus for wellheads

Details Theft prevention method and apparatus for wellheads Theft prevention method and apparatus for wellheads

1980-08-15

1983-01-04

Callaghan, Thomas F.

Pipe joints or couplings

With casing, lining or protector

285 80, 285286, F16L 1302

Patent

active

043669700

ABSTRACT:
A flange juncture of a wellhead is protected by first and second stainless steel clam shell closure members of substantially identical construction which are positioned over the flange juncture and welded by stainless steel welding procedures to preclude external access to the holding bolts of the flange juncture so as to prevent the unauthorized disconnection of the flange juncture and the theft of wellhead components attached thereto.

REFERENCES:
patent: 725290 (1903-04-01), Speer
patent: 968759 (1910-08-01), Fogg
patent: 1154960 (1915-09-01), Baruch
patent: 1345543 (1920-07-01), Huth
patent: 1814412 (1931-07-01), Rutten
patent: 2307148 (1943-01-01), McGuire
patent: 2699960 (1955-01-01), Callery et al.
patent: 2858114 (1958-10-01), Parris
patent: 4300373 (1981-11-01), Camos et al.

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