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:
May. 21, 2019

Filed:

Mar. 24, 2015
Applicant:

Wellpartner As, Tananger, NO;

Inventors:

Haaken Christopher Heide, Sandnes, NO;

Kenneth Skinnes, Stavanger, NO;

Assignee:

WellPartner AS, Tananger, NO;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/02 (2006.01); F16L 23/024 (2006.01); E21B 17/046 (2006.01); E21B 19/16 (2006.01); F16L 23/032 (2006.01);
U.S. Cl.
CPC ...
E21B 17/046 (2013.01); E21B 17/026 (2013.01); E21B 19/16 (2013.01); F16L 23/024 (2013.01); F16L 23/032 (2013.01);
Abstract

A coupling apparatus and a method are for connecting two drill-pipe sections in a string of drill-pipe sections joined together by tool joints. The coupling apparatus comprises: a first pipe with a first end portion and a second end portion, the first end portion being provided with a tool joint for connection to a drill-pipe section; a second pipe with a first end portion and a second end portion, the first end portion being provided with a tool joint for connection to a drill-pipe section.


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