The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 25, 1986

Filed:

Aug. 31, 1984
Applicant:
Inventor:

William D Eatwell, Houston, TX (US);

Assignee:

Camco, Incorporated, Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166115 ; 166237 ; 285 86 ;
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.


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