Arturo G Palacios

US Patent:

20110114334, May 19, 2011

Filed:

Nov 12, 2010

Appl. No.:

12/945439

Inventors:

Arturo Palacios - Laredo TX, US

Assignee:

SMITH INTERNATIONAL, INC. - Houston TX

International Classification:

E21B 34/06
E21B 34/00

US Classification:

166373, 166316, 166318, 166319

Abstract:

A control mechanism for a downhole tool including a mandrel having a throughbore, at least one activation port, and at least one bypass port, a first sleeve detachably mounted within the throughbore at a first position and moveable to a second position, the first sleeve having a first seat, and a second sleeve detachably mounted within the throughbore at a third position located axially above the first position and moveable to a fourth position, the second sleeve having a second seat. A method of hydraulically actuating and deactuating a downhole tool, the method including disposing the downhole tool and a control mechanism in a well.