Patent · US Active

Plug release apparatus

US8276665B2 · kind B2 · utility

12Cited by

28References

25Claims

0Family size

Assignee

Halliburton Energy Services, Inc. · US

Inventors

Earl Webb · Wilson, US
Henry E. Rogers · Duncan, US
Steve L. Holden · Manlius, US
Steve Streich · Duncan, US
Brock Watson · Sadler, US

Key dates

Filing date	Apr 3, 2008
Grant date	Oct 2, 2012
Priority date	—
Expiry date	Apr 3, 2029

Classification

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

Abstract

A plug release apparatus for use in a well bore, the apparatus having a canister, a liner plug, and a sub. The liner plug may be releasably attached to the canister via a first release mechanism. The sub may be releasably attached to the canister via a second release mechanism. The first release mechanism may be configured to release the liner plug from the canister at a first pressure and the second release mechanism may be configured to release the canister from the sub at a second pressure.

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