Patent · US Active

Drill bit with adjustable side force

US8960328B2 · kind B2 · utility

2Cited by

6References

16Claims

0Family size

Assignee

Baker Hughes Holdings LLC · US

Inventors

Wolfgang E. Herberg · Waggum, DE
Matthias Meister · Celle, DE

Key dates

Filing date	Aug 31, 2011
Grant date	Feb 24, 2015
Priority date	—
Expiry date	Feb 29, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49826
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A drill bit is disclosed. The drill bit includes a center member configured to rotate at a first speed and an outer member disposed outside the center member, wherein the outer member is configured to rotate at a second speed. The drill bit also includes a first cutter disposed on the center member and a second cutter disposed on the outer member, wherein the first speed and second speeds are configured to control a resultant side force of the drill bit.

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