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:
Sep. 23, 2025
Filed:
Aug. 31, 2023
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Youhe Zhang, Spring, TX (US);
Huimin Song, Spring, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/042 (2006.01); E21B 10/54 (2006.01);
U.S. Cl.
CPC ...
E21B 17/042 (2013.01); E21B 10/54 (2013.01);
Abstract
In some aspects, the techniques described herein relate to a bit. The bit includes a bit head formed from a first material. A connection portion is connected to the bit head opposite the bit head. The connection portion has a box connection having an inner surface with a threaded connection for connection to a drill string. A reinforcing ring is formed from a second material. The reinforcing ring is located at the connection portion to strengthen the connection portion. The reinforcing ring is connected to the connection portion with an interlocking feature.