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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.

Patent No.:

US 10563473 B1

PDFFull Text
Expired
Date of Patent:
Feb. 18, 2020

Filed:

Jun. 23, 2015

Method and apparatus for retrieving a tubing from a well

Applicant:

Qinterra Technologies As, Stavanger, NO;

Inventors:

Marco Volgmann, Braunschweig, DE;

Bard Martin Tinnen, Stavanger, NO;

Assignee:

Qinterra Technologies AS, Stavanger, NO;

Attorney:

Gable Gotwals

Primary Examiner:

Jennifer H Gay

Int. Cl.
CPC ...
E21B 31/16 (2006.01); E21B 23/14 (2006.01); E21B 17/07 (2006.01); E21B 17/20 (2006.01); E21B 29/00 (2006.01); E21B 31/20 (2006.01); E21B 33/12 (2006.01); E21B 19/00 (2006.01);
U.S. Cl.
CPC ...
E21B 31/16 (2013.01); E21B 17/07 (2013.01); E21B 17/206 (2013.01); E21B 23/14 (2013.01); E21B 29/005 (2013.01); E21B 31/20 (2013.01); E21B 33/12 (2013.01); E21B 19/008 (2013.01);
Abstract

An interface tool and apparatus for retrieving a tubing from a well at least partly filled with a liquid, the tubing having first and second end portions. The apparatus includes an anchor for engaging tubing; sealing module for sealing first end portion of the bore of tubing; injector for injecting a low density fluid into tubing in or at an elevation below sealing module; and sealing cable connecting to a surface of the well. Apparatus includes first and second tool string sections, and interface tool configured for connecting first tool string section and second tool string section.

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Quick Actions:

Volgmann, Marco. (2020). Method and apparatus for retrieving a tubing from a well (U.S. Patent No. 10563473). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10563473

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