Patent · US Active

Tilted bit rotary steerable drilling system

US9145736B2 · kind B2 · utility

8Cited by

12References

20Claims

0Family size

Assignee

Baker Hughes Holdings LLC · US

Inventors

Andreas Peter · Celle, DE
Johannes Witte · Aerdenhout, NL
Michael Koppe · Erfurt, DE
Joachim Treviranus · Winsen (Aller), DE

Key dates

Filing date	Jul 20, 2011
Grant date	Sep 29, 2015
Priority date	—
Expiry date	Sep 7, 2033

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B7/067
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A wellbore is formed by using an apparatus that may include a shaft having an end portion, a drill bit body tiltable about the end portion, and at least one actuator configured to apply a tilting force to the drill bit body.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.