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.:
Date of Patent:
Jul. 28, 2020
Filed:
Dec. 06, 2018
Applicant:
Welltec Oilfield Solutions Ag, Zug, CH;
Inventor:
Christian Krüger, Zug, CH;
Assignee:
Welltec Oilfield Solutions AG, Zug, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/124 (2006.01); E21B 23/06 (2006.01); E21B 33/126 (2006.01);
U.S. Cl.
CPC ...
E21B 33/124 (2013.01); E21B 23/06 (2013.01); E21B 33/126 (2013.01);
Abstract
A downhole repairing system includes a downhole straddle assembly for straddling over a zone downhole in the well having a plurality of tubular sections. A downhole setting tool string has a tubular tool part with expansion openings for allowing pressurised fluid to flow out to expand expandable metal sleeves. The first end tubular section has a groove for receiving at least one retractable engagement part of a connection tool of the downhole setting tool string, and the second outer tool diameter is smaller than the second end inner diameter creating a first sealed distance which is less than 2 mm.