Wells – Packers or plugs – With expanding anchor
Patent
1989-07-17
1990-05-29
Neuder, William P.
Wells
Packers or plugs
With expanding anchor
166125, 166182, E21B 2302
Patent
active
049287613
ABSTRACT:
A plugging device for installation as by wireline tools in a receptacle in a wall flow conductor for plugging the flow conductor against flow from below as well as from above, the plugging device including a tubular housing having seals for sealing with the receptacle, lock members for anchoring it therein, a mandrel reciprocable in the housing between lower and upper positions for moving the lock members to locking position and for allowing them to move to unlocking position, a plug member closing the housing and being movable relative thereto between lower and upper positions, and a locking mechanism for locking the plug member to the mandrel whenever the mandrel is in its lower position and the plug member is moved to its upper position to prevent the mandrel from being moved to its unlocking position. A running tool is provided for installing the plugging device which will not release the device unless it is properly installed in the receptacle.
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Otis General Sales Catalog.
Otis Wireline Sussurface Flow Controls.
Collins Dannie R.
Gazda Imre I.
Carroll Albert W.
Neuder William P.
Otis Engineering Corporation
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