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. 14, 2025
Filed:
Oct. 05, 2021
Welltec Manufacturing Center Completions Aps, Esbjerg N, DK;
Jørgen Hallundbæk, Zug, CH;
Welltec Manufacturing Center Completions ApS, Esbjerg N, DK;
Abstract
A plug and abandonment system includes a first annular barrier having a first end and a second end, the first end comprising a first ball seat and the second end being connected with a first disconnectable area, a second annular barrier having a first end and a second end, the first end comprising a second ball seat and being connected with the first disconnectable area, a work string, extending from a first string end to the top of the well, the first string end being disconnectably connected with the second end of the second annular barrier. Each annular barrier has an expandable metal sleeve being connected to at least one tubular part forming a tubular bore for allowing liquid and cement to flow through the annular barriers.