Running tool for static wellhead plug

Details Running tool for static wellhead plug Running tool for static wellhead plug

1998-07-29

1999-11-23

Schoeppel, Roger

Wells

Packers or plugs

With expanding anchor

166135, 166181, 166192, E21B 33035

Patent

active

059882778

ABSTRACT:
A plug is provided which is specially adapted for statically setting a plug portion within an internal profile formed in a wellhead. In an illustrated preferred embodiment, the plug portion is set by application of fluid pressure to a running tool portion. When set in. the profile, the plug portion is secured statically relative to the profile, thereby permitting advantageous utilization of a metal-to-metal seal on the plug portion. The plug portion includes features which maintain its set configuration in the profile. The running tool portion includes multiple pistons which enhance operation of the running tool portion. A disclosed verification tool provides an indication that the plug portion has been properly set.

REFERENCES:
patent: 3602303 (1971-08-01), Blenkarn
patent: 4928761 (1990-05-01), Gazda et al.
patent: 5080174 (1992-01-01), Hynes
patent: 5509476 (1996-04-01), Vick, Jr.
patent: 5542475 (1996-08-01), Turner et al.
patent: 5555935 (1996-09-01), Brammer et al.

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