Patent · US Expired

Actuator apparatus and method for downhole completion tools

US6176318A · kind A · utility

20Cited by
5References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 4, 1999
Grant dateJan 23, 2001
Priority date
Expiry dateMar 4, 2019

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B34/066
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An actuator apparatus for actuating a downhole well tool according to which a housing extends in the well and a tool to be actuated is disposed in the housing. A drive member is connected to the tool for operating the tool, and an actuator system is disposed in the housing and is normally connected to the drive member for driving the drive member and operating the tool. In the event the actuator system fails, an additional actuator system is disposed in the housing and is adapted to be connected to the drive member for also driving the drive member and operating the tool.

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