Tool with multisize ball seat having segmented arcuate ball support member
摘要
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 having a partially annular shape with an outer base and a plurality of retaining segments projecting radially inwardly therefrom. 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
AU2011293729(B2)
申请公布日期
2014.07.31
申请号
AU20110293729
申请日期
2011.08.12
申请人
BAKER HUGHES INCORPORATED
发明人
GUILLORY, JEREMY J.;HART, DANIEL R.;HERN, GREGORY L.