Patent · US Active

Cutting tool with pivotally fixed cutters

US11236567B2 · kind B2 · utility

0Cited by

14References

6Claims

0Family size

Assignee

EQUINOR ENERGY AS · NO

Inventors

Morten Eidem · Trondheim, NO
Gaute Grindhaug · Stavanger, NO

Key dates

Filing date	Jul 9, 2018
Grant date	Feb 1, 2022
Priority date	—
Expiry date	Jul 9, 2038

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B29/005
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A tool for use in a borehole to perform a milling, under reaming, or other cutting operation includes a tool body configured for rotation about its longitudinal axis, within the borehole, and a set of cutters, the set including two or more cutters which, at least in a deployed configuration, extend outwardly from the tool body and are fixedly coupled together whilst being pivotally coupled to the tool body substantially on said axis so that the cutters rotate with the tool body whilst being pivotable together relative to the tool body during cutting.

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