Nipple protector sleeve for use in a well conduit

Details Nipple protector sleeve for use in a well conduit Nipple protector sleeve for use in a well conduit

1984-08-31

1986-03-25

Leppink, James A.

Wells

Central chamber sealed with respect to prepositioned...

166237, 285 86, E21B 2300

Patent

active

045776857

ABSTRACT:
A temporary and retrievable protector sleeve for protecting a well landing nipple during working of the well. A landing nipple having a tubular body with a plurality of arcuate no go lugs circumferentially positioned. A body has a support for engaging the no go lugs on the interior of the nipple for supporting the body from the nipple. A releasable latch on the body releasably latches the body to the no go lugs. A spring engages the latch and yieldably urges the latch into a locking position. A sleeve section telescopically engages the body and the latch and retracts the latch and releases the body from the no go lugs when the section is moved relative to the body.

REFERENCES:
patent: 2893694 (1959-07-01), Waggener
patent: 3082831 (1963-03-01), Le Bus, Sr.
patent: 3098667 (1963-07-01), Greenwood
patent: 3174548 (1965-03-01), Webb

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