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:
Nov. 26, 2019
Filed:
Oct. 27, 2014
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 47/00 (2012.01); E21B 47/02 (2006.01); E21B 7/04 (2006.01); E21B 7/06 (2006.01); E21B 3/00 (2006.01); E21B 3/02 (2006.01); E21B 44/04 (2006.01); E21B 4/02 (2006.01);
U.S. Cl.
CPC ...
E21B 47/0006 (2013.01); E21B 3/00 (2013.01); E21B 3/02 (2013.01); E21B 7/04 (2013.01); E21B 7/062 (2013.01); E21B 44/04 (2013.01); E21B 47/02 (2013.01); E21B 4/02 (2013.01);
Abstract
A method for directional drilling a subterranean borehole includes transforming surface sensor measurements from time domain sensor data to frequency domain sensor data. A rotary drilling parameter may be changed when a parameter of the frequency domain sensor data reaches a threshold or is within a predetermined range of values.