Patent · US Expired

Direct proportional surface control system for downhole choke

US7240737B2 · kind B2 · utility

6Cited by
17References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 11, 2006
Grant dateJul 10, 2007
Priority date
Expiry dateApr 11, 2026

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B2200/02
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A direct proportional control system for remotely controlling actuation of a tool. A well control system includes an actuator for a downhole well tool, the actuator including an actuator member which displaces to operate the well tool. A control system member is positioned at a remote location. A displacement of the control system member is proportional to a displacement of the actuator member.

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