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:
Oct. 20, 2015
Filed:
Sep. 28, 2010
Applicants:
Stuart R. Keller, Houston, TX (US);
Adel H. Younan, Sugar Land, TX (US);
Mark C. Gentry, The Woodlands, TX (US);
Timothy J. Nedwed, Houston, TX (US);
Bruce A. Dale, Sugar Land, TX (US);
Inventors:
Stuart R. Keller, Houston, TX (US);
Adel H. Younan, Sugar Land, TX (US);
Mark C. Gentry, The Woodlands, TX (US);
Timothy J. Nedwed, Houston, TX (US);
Bruce A. Dale, Sugar Land, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/12 (2006.01); E21B 7/04 (2006.01); E21B 21/00 (2006.01); E21B 21/08 (2006.01); E21B 21/12 (2006.01);
U.S. Cl.
CPC ...
E21B 21/001 (2013.01); E21B 21/08 (2013.01); E21B 21/12 (2013.01);
Abstract
Method and apparatus for extending the horizontal distance through which wells can be drilled. A horizontal tubular is used to convey a drillstring from a drilling rig toward a target location and a mud return line and pump on the surface is used to pump drilling mud returning from the bit back to the drilling rig.