Well testing tool

Details Well testing tool Well testing tool

1977-09-14

1979-01-16

Purser, Ernest R.

Wells

Packers or plugs

With expanding anchor

166136, 166332, E21C 2302

Patent

active

041344529

ABSTRACT:
A tool for testing conditions at a specific depth in a well is run into the well on a wire line. The tool includes a stem having sealing rings around its outer surface adapted to seal against the inner wall of a locking assembly mounted on the lower end of a locking mandrel landed in a landing nipple in tubing in the well. The stem is locked in the locking assembly by dogs that move radially from a locking position preventing movement of the stem to a nonlocking position permitting pulling of the stem from the locking mandrel. The locking assembly includes an adapter that allows a single size stem to be used with a locking mandrel of any size.

REFERENCES:
patent: 2577068 (1951-12-01), Baker
patent: 2928469 (1960-03-01), Crowe
patent: 3002563 (1961-10-01), Crowe
patent: 3042116 (1962-07-01), Sharp et al.
patent: 3633668 (1972-01-01), Vazquez
patent: 4007783 (1977-02-01), Amancharla et al.
patent: 4044827 (1977-08-01), Kerzee et al.

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