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. 05, 2016
Filed:
Jan. 26, 2011
Stâle Pettersen, Sandnes, NO;
Erling Kleppa, Jørpeland, NO;
Trond Kvasnes, Sandnes, NO;
Petroleum Technology Company AS, Stavanger, NO;
Abstract
A tool for installation of units in connection with oil wells, comprising a housing () with an attachment device () for attachment to a well installation, a telescopic device () for extension of the tool, a torsional force transmission device () for rotation of an internal movable element () of the tool. The internal movable element () comprises a pressure face (), which in an operative condition is exposed to a well pressure and a counter-pressure face (), with a sealing arrangement () between the housing () and the internal movable element () provided between these pressure faces () and devices () which are arranged in such a manner that a pressure can be applied to the counter-pressure face.