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:
Mar. 03, 2015
Filed:
May. 31, 2006
Applicants:
Geoff Downton, Minchinhampton, GB;
David L. Smith, Sugar Land, TX (US);
Inventors:
Geoff Downton, Minchinhampton, GB;
David L. Smith, Sugar Land, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/06 (2006.01);
U.S. Cl.
CPC ...
E21B 7/067 (2013.01);
Abstract
The present invention relates to a rotary steerable drilling apparatus which separates the drill string from the bottom hole assembly thereby allowing the biasing means to push the bit in a given direction without having to lift the drill string along with the bottom hole assembly.