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:
Jan. 22, 2019
Filed:
Jul. 28, 2014
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventor:
Everett Philip Hagar, Devon, CA;
Assignee:
HALLIBURTON ENERGY SERVICES, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/06 (2006.01); E21B 21/08 (2006.01); E21B 17/046 (2006.01); E21B 17/10 (2006.01); E21B 47/06 (2012.01);
U.S. Cl.
CPC ...
E21B 21/08 (2013.01); E21B 7/062 (2013.01); E21B 17/046 (2013.01); E21B 17/1057 (2013.01); E21B 47/06 (2013.01);
Abstract
A rotary subterranean drill capable of detecting an excessive downhole pressure condition and automatically remediating the causal condition of the detected excessive pressure condition. A pressure detector coupled to a drill string of the rotary subterranean drill can sense an excessive downhole pressure condition that exceeds a predetermined value. When an excessive downhole pressure condition is sensed at the pressure detector drag members are automatically disengaged from the borehole, thereby permitting rotation of the anchorable exterior portion within the borehole.