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:
Dec. 01, 2020
Filed:
Mar. 29, 2018
Applicant:
Nabors Drilling Technologies Usa, Inc., Houston, TX (US);
Inventor:
Colin Gillan, Houston, TX (US);
Assignee:
NABORS DRILLING TECHNOLOGIES USA, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 44/04 (2006.01); E21B 3/02 (2006.01); E21B 7/04 (2006.01); E21B 47/00 (2012.01); E21B 4/02 (2006.01); E21B 47/06 (2012.01); E21B 47/024 (2006.01); E21B 7/06 (2006.01);
U.S. Cl.
CPC ...
E21B 44/04 (2013.01); E21B 3/02 (2013.01); E21B 7/04 (2013.01); E21B 4/02 (2013.01); E21B 7/067 (2013.01); E21B 47/00 (2013.01); E21B 47/024 (2013.01); E21B 47/06 (2013.01);
Abstract
Systems, devices, and methods for transitioning from a rotary drilling operation to a slide drilling operation on a drilling rig include rotary drilling a borehole in a subterranean formation by rotating a bottom hole assembly (BHA) on a drill string driven by a top drive and determining a trapped torque in a drill string. While maintaining weight on bit at the BHA, the drill string may be rotated in reverse to remove the trapped torque, and a slide drilling process may be performed without raising the bit from the bottom of the borehole.