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:
Jul. 28, 2020

Filed:

Apr. 21, 2016
Applicant:

Welltec A/s, Allerød, DK;

Inventor:

Christian Krüger, Allerød, DK;

Assignee:

Welltec A/S, Allerød, DK;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/134 (2006.01); E21B 29/00 (2006.01); E21B 33/13 (2006.01); E21B 29/12 (2006.01); E21B 33/14 (2006.01); E21B 47/00 (2012.01); E21B 23/01 (2006.01); F04B 19/22 (2006.01);
U.S. Cl.
CPC ...
E21B 33/134 (2013.01); E21B 29/002 (2013.01); E21B 29/005 (2013.01); E21B 29/12 (2013.01); E21B 33/13 (2013.01); E21B 33/14 (2013.01); E21B 47/0005 (2013.01); E21B 23/01 (2013.01); F04B 19/22 (2013.01);
Abstract

The present invention relates to a downhole plug and abandonment system () for a well (), comprising a first well tubular metal structure () having a wall, a second well tubular metal structure () having a wall, the second well tubular metal structure being arranged inside the first well tubular metal structure, the well tubular metal structures having longitudinal extensions and being arranged in a borehole () of a well, a packer () arranged between the first well tubular metal structure and the second well tubular metal structure defining an annular space () above the packer, a first plug () arranged in the second well tubular metal structure dividing the second well tubular metal structure into a first part () and a second part (), the first part being closest to a top of the well, and a cement plug () arranged in the first part on top of the packer and the plug. Furthermore, the present invention relates to a downhole plug and abandonment method.


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