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. 07, 2020
Filed:
Apr. 13, 2015
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Yuanbo Lin, Houston, TX (US);
Youhe Zhang, Spring, TX (US);
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/26 (2006.01); E21B 7/28 (2006.01); E21B 10/32 (2006.01); E21B 10/55 (2006.01);
U.S. Cl.
CPC ...
E21B 10/32 (2013.01); E21B 7/28 (2013.01); E21B 10/322 (2013.01); E21B 10/55 (2013.01);
Abstract
A downhole cutting apparatus includes a tubular body and a cutter block extending radially therefrom. The cutter block includes at least one row of cutting elements. The row or cutting elements defines a cutting profile having a first underreaming cutting edge, a second underreaming cutting edge, and a first backreaming cutting edge between the first underreaming cutting edge and the second underreaming cutting edge.