Patent · US Active

Downhole tools with electro-mechanical and electro-hydraulic drives

US9151140B2 · kind B2 · utility

0Cited by

7References

21Claims

0Family size

Assignee

Baker Hughes Holdings LLC · US

Inventors

Olof Hummes · Schwelm, DE
Michael Koppe · Erfurt, DE
Volker Krueger · Celle, DE
Sven Krueger · Trossingen, DE
Matthias Meister · Celle, DE

Key dates

Filing date	Dec 22, 2010
Grant date	Oct 6, 2015
Priority date	—
Expiry date	May 14, 2033

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B23/001
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

An apparatus to be conveyed into a wellbore. The apparatus includes a housing configured to be conveyed downhole and a drive member located in the housing. The apparatus further includes a drive unit configured to actuate movement of the drive member by selectively coupling to the drive member, wherein the coupling of the device to the drive member is controlled by applying an energy to a selected material in the device.

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