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:
Jan. 11, 2022
Filed:
Dec. 11, 2018
Welltec Oilfield Solutions Ag, Zug, CH;
Jon Kræmer, Zug, CH;
WELLTEC OILFIELD SOLUTIONS AG, Zug, CH;
Abstract
The present invention relates to an abandonment plug for plug and abandonment of a well, said abandonment plug comprising a first end part being closable or closed, a second end part being tubular and having a groove in an inner face, an expandable metal sleeve arranged between the end parts, the end parts being more rigid than the expandable metal sleeve, and an unit releasably connected to the second tubular end part, the unit comprising at least one radially projectable fastening element, a unit sleeve, and a piston movable in the unit sleeve for, in a first position, forcing the radially projectable fastening element and, in a second position, being offset in relation to the radially projectable fastening element, allowing the radially projectable fastening element to move radially inwards. Furthermore, the present invention relates to a plug and abandonment system comprising the abandonment plug according to the present invention.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile