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:
Jul. 15, 2025

Filed:

Sep. 09, 2024
Applicant:

Southwest Petroleum University, Chengdu, CN;

Inventors:

Xiangchao Shi, Chengdu, CN;

Zhaowei Wang, Chengdu, CN;

Yun Zhuo, Chengdu, CN;

Ye Jiao, Chengdu, CN;

Rongrong Wang, Chengdu, CN;

Zonglin Lyu, Chengdu, CN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/26 (2006.01); E21B 10/46 (2006.01);
U.S. Cl.
CPC ...
E21B 10/26 (2013.01); E21B 10/46 (2013.01);
Abstract

A bit cutting structure and a PDC bit for highly abrasive formations are provided. The PDC bit includes A-type cutting structures, B-type cutting structures and a bit body. The A-type cutting structures and the B-type cutting structures each include a front-row integrated compact and a rear-row conical tooth. Blades are arranged on the bit body, and conventional independent compacts are arranged on each blade. The A-type cutting structures and the B-type cutting structures are arranged on the blades. Each blade is provided with a front-row tooth position and a rear-row tooth position, and the front-row integrated compact and the rear-row conical tooth are respectively arranged on the front-row tooth position and the rear-row tooth position.


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