Latch for use in a well

Details Latch for use in a well Latch for use in a well

1982-08-16

1984-03-27

Purser, Ernest R.

Wells

Packers or plugs

With expanding anchor

166134, 166237, 285321, E21B 2306

Patent

active

044388110

ABSTRACT:
A packer utilizing a C-slip in which, during release of the packer, the upper expander pulls the C-slip off of the lower expander. If a packer is stuck in the well, the upper expander is keyed to the slip to prevent rotation of the upper expander during milling. A latch for releasing the packer may be operated mechanically or hydraulically and the latch is protected against sand.

REFERENCES:
patent: 3678998 (1972-07-01), Cockrell et al.
patent: 3845815 (1974-11-01), Garwood

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