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. 27, 2021
Filed:
Oct. 19, 2019
Fmc Technologies, Inc., Houston, TX (US);
Roman Chirko, Tomball, TX (US);
Kien Tan Vu, Houston, TX (US);
FMG Technologies, Inc., Houston, TX (US);
Abstract
A method for sealing a wellhead assembly having a first outer tubular member, a second outer tubular member mounted on the first outer tubular member and an inner tubular member landed in the first outer tubular member. The method includes: providing a packoff assembly having a lower packoff which is releasably connected to an upper packoff releasably connecting an installation tool to the upper packoff; positioning the lower packoff between the inner tubular member and the first outer tubular member and the upper packoff between the inner tubular member and the second outer tubular member; locking the lower packoff to the first outer tubular member; disconnecting the installation tool from the upper packoff; removing the second outer tubular member from the first outer tubular member; removing the upper packoff from the lower packoff; and mounting a third outer tubular member on the first outer tubular member.