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.

Date of Patent:
Nov. 15, 2022

Filed:

Dec. 21, 2020
Applicant:

Pason Systems Corp., Calgary, CA;

Inventors:

Kshitij Agarwal, Calgary, CA;

Jonathan Alan McIntyre, Calgary, CA;

Choon-Sun James Ng, Calgary, CA;

Aaron Eddy, Calgary, CA;

Assignee:

PASON SYSTEMS CORP., Calgary, CA;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 44/06 (2006.01); E21B 21/08 (2006.01); E21B 47/06 (2012.01);
U.S. Cl.
CPC ...
E21B 44/06 (2013.01); E21B 21/08 (2013.01); E21B 47/06 (2013.01);
Abstract

There is described a computer-implemented method of controlling a drilling operation. In particular, there is described a computer-implemented method of determining that a differential pressure is in an oscillating state. In response to determining that the differential pressure is in the oscillating state, a weight on bit setpoint is decreased so as to decrease the differential pressure. There is also described a computer-implemented method of determining a difference between a differential pressure and a target differential pressure. The target differential pressure is less than a differential pressure limit. A weight on bit setpoint is adjusted as a function of the difference between the differential pressure and the target differential pressure so as to adjust the differential pressure and thereby reduce the difference between the differential pressure and the target differential pressure.


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