Well landing nipple and method of operation

Details Well landing nipple and method of operation Well landing nipple and method of operation

1990-05-04

1991-03-05

Neuder, William P.

Wells

Processes

Placing or shifting well part

166 665, E21B 2302

Patent

active

049970437

ABSTRACT:
A landing nipple for use in a well tubing for receiving a well tool. A magnetic armature is utilized in the nipple actuated by a magnet or solenoid coil for extending retractable no-go shoulders and/or locking dogs into the bore of the nipple for coacting with a well tool.

REFERENCES:
patent: 3105548 (1963-10-01), Ownby
patent: 3858650 (1975-01-01), Mott
patent: 4058166 (1977-11-01), Crickmer
patent: 4161219 (1979-07-01), Pringle
patent: 4579177 (1986-04-01), Going, III

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