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:
Feb. 18, 2020
Filed:
Oct. 09, 2018
Applicant:
Cnpc Usa Corporation, Houston, TX (US);
Inventors:
Javier Davila, Houston, TX (US);
Liang Zhao, Houston, TX (US);
Xiaomin Cheng, Houston, TX (US);
Demin Chen, Houston, TX (US);
Xiongwen Yang, Houston, TX (US);
Yonghong Wang, Houston, TX (US);
Yu Liu, Houston, TX (US);
Assignee:
CNPC USA CORPORATION, Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/567 (2006.01); E21B 10/42 (2006.01);
U.S. Cl.
CPC ...
E21B 10/5673 (2013.01); E21B 10/42 (2013.01);
Abstract
The present invention provides non-planar cutting tooth and a diamond drill bit. The non-planar cutting tooth and the diamond drill bit have great ability of impact resistance and balling resistance. According to the features of drilled formation, cutting teeth are arranged on the drill bit with different mode, which can improve the mechanical speed and footage of the drill bit.