Patent · US Active

Systems for actuating a downhole tool

US7549475B2 · kind B2 · utility

3Cited by

28References

32Claims

0Family size

Assignee

Halliburton Energy Services, Inc. · US

Inventors

Thor Tjorswaag · Sola, NO
Henry E. Rogers · Duncan, US
Nichalos C. Braun · Duncan, US
Brett Fears · Mustang, US
Stein Olaussen · Sola, NO

Key dates

Filing date	Feb 12, 2007
Grant date	Jun 23, 2009
Priority date	—
Expiry date	Sep 7, 2027

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B33/165
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A system for actuating a downhole tool disposed within a work string comprising a support suspending the work string into a well bore, a launching apparatus positioned at a location remote from the work string, a tortuous path connected between the launching apparatus and the work string, and a mechanical plug that launches from the launching apparatus, traverses the tortuous path, enters the work string, and actuates the downhole tool.

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