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. 06, 2007
Filed:
Jan. 19, 2006
Applicants:
Falk W. Doering, Houston, TX (US);
Todor K. Sheiretov, Houston, TX (US);
Robin A. Ewan, Stafford, TX (US);
Benoit A. Foubert, Houston, TX (US);
Inventors:
Falk W. Doering, Houston, TX (US);
Todor K. Sheiretov, Houston, TX (US);
Robin A. Ewan, Stafford, TX (US);
Benoit A. Foubert, Houston, TX (US);
Assignee:
Schlumberger Technology Corp., Sugar Land, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 4/18 (2006.01); E21B 19/08 (2006.01); E21B 44/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Apparatus, system and methods useful for controlling the traction of a downhole tractor in a borehole include the capability of repeatedly adjusting the normal force applied to at least one component that causes movement of the tractor in the borehole.