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. 19, 2011
Filed:
Dec. 04, 2008
John Hallworth, Clifton, GB;
Steve Hart, Brimsham Park, GB;
Kjell Haugvaldstad, Vanvikan, NO;
Laurent Allias, Mezieres les Clery, FR;
Bertrand Lacour, Willingham, GB;
Riadh Boualleg, Cambridge, GB;
John Hallworth, Clifton, GB;
Steve Hart, Brimsham Park, GB;
Kjell Haugvaldstad, Vanvikan, NO;
Laurent Allias, Mezieres les Clery, FR;
Bertrand Lacour, Willingham, GB;
Riadh Boualleg, Cambridge, GB;
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
The invention provides rotary steerable devices and methods for use of rotary steerable devices. One aspect of the invention provides a rotary steerable device including: a cylinder configured for rotation in a wellbore, the cylinder having a slot and a gauge; and at least one cam received in the slot. The cam is configured for selective actuation between a first position, wherein the cam lies within the gauge of the cylinder, and a second position, wherein the cam is displaced out of the gauge of the cylinder.