Patent · US Active

Method of reducing deflection through a rod piston in a subsurface safety valve

US9151139B2 · kind B2 · utility

0Cited by

7References

18Claims

0Family size

Assignee

Baker Hughes Holdings LLC · US

Inventors

John Burris · Bixby, US
Grant Thompson · Tulsa, US
David Z. Anderson · New Braunfels, US
James T. Sloan · Tulsa, US
Brock Alan Peoples · Sapulpa, US
Doug A. Lowry · Broken Arrow, US
Anthony S. Coghill · Tulsa, US

Key dates

Filing date	Jun 2, 2011
Grant date	Oct 6, 2015
Priority date	—
Expiry date	Jun 7, 2033

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B2200/05
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

An actuation assembly including a sleeve member having a radially outwardly extending projection and a piston having an axis, the piston operatively coupled to the projection of the sleeve member and arranged to exert an actuation force on the projection of the sleeve member for actuating the sleeve member, the actuation force positioned about radially aligned with the axis or radially outwardly from the axis.

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