A tool for use in a wellbore which includes a housing having an axial flow bore and a piston sleeve moveably disposed within the flow bore. The tool is moveable between first and second operating positions by an actuation mechanism having a piston with a ball seat. The tool can be moved between first and second operating positions with the use of actuating balls of different sizes that can be landed upon the ball seat.
申请公布号
WO2012005869(A2)
申请公布日期
2012.01.12
申请号
WO2011US40004
申请日期
2011.06.10
申请人
BAKER HUGHES INCORPORATED;CRIDER, JAMES, ALAN;HERN, GREGORY, L.;PLEASANTS, CHARLES, W.
发明人
CRIDER, JAMES, ALAN;HERN, GREGORY, L.;PLEASANTS, CHARLES, W.