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:
Aug. 27, 2019
Filed:
Oct. 15, 2014
Wellbore As, Tananger, NO;
Steffen Evertsen, Stavanger, NO;
ARDYNE HOLDINGS LIMITED, Aberdeen, GB;
Abstract
A downhole tool () method and device, in which the downhole tool () is designed to form part of a pipe string (), and in which a valve () is provided with a passage () for fluid, the passage () including an opening and closing mechanism (), and the method including: connecting a first valve portion () to the pipe string (); connecting a second valve portion () telescopic relative to the first valve portion () to a downhole object (); pre-tensioning the first valve portion () and the second valve portion () in the direction of contraction to an initial position, in which the opening and closing mechanism () is open; and moving the first valve portion () relative to the second valve portion () in the direction of extension to close the opening and closing mechanism ().