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:
Sep. 14, 2021

Filed:

Jul. 02, 2018
Applicant:

Schlumberger Technology Corporation, Sugar Land, TX (US);

Inventors:

Mauro Caresta, Cambridge, GB;

Fabio Cappi, Trondheim, NO;

Hans Seehuus, Trondheim, NO;

Kjell Haugvaldstad, Trondheim, NO;

Riadh Boualleg, Stonehouse, GB;

Joachim Sihler, Cambridge, GB;

Ashley Bernard Johnson, Cambridge, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/04 (2006.01); E21B 7/06 (2006.01); E21B 10/42 (2006.01);
U.S. Cl.
CPC ...
E21B 7/062 (2013.01); E21B 7/04 (2013.01); E21B 7/064 (2013.01); E21B 10/42 (2013.01);
Abstract

A directional drilling system that includes a drill bit that drills a bore through rock. The drill bit includes an outer portion of a first material and an inner portion coupled to the outer portion. The inner portion includes a second material.


Find Patent Forward Citations

Loading…