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. 25, 2022
Filed:
Jan. 29, 2020
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Wei Chen, Katy, TX (US);
Rongbing Chen, Beijing, CN;
Zhengxin Zhang, Spring, TX (US);
Yuelin Shen, Spring, TX (US);
Lucian Johnston, Sugar Land, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/022 (2012.01); E21B 7/04 (2006.01);
U.S. Cl.
CPC ...
E21B 47/022 (2013.01); E21B 7/04 (2013.01);
Abstract
A method can include receiving data for a borehole trajectory in a formation, a length of pipe, and a bottom hole assembly that includes a mud motor and a bit; generating a sequence for operation of the mud motor using a model of at least the bit, where the sequence includes a sliding mode and a rotary mode for drilling the borehole in the formation a distance less than or equal to the length of pipe; and drilling the borehole according to the sequence.