发明名称 |
SELECTIVE HYDRAULIC FRACTURING TOOL AND METHOD THEREOF |
摘要 |
A selective downhole tool including a tubular having a longitudinal bore enabling passage of fluids there through. Having a valve opening in a wall of the tubular. An expandable ball seat selectively movable between a first size sized to trap a ball to block flow through the tubular. A larger second size sized to release the ball through the tubular. A valve cover longitudinally movable within the tubular, the valve cover including a dissolvable insert. Also included is a method of operating a downhole tool. |
申请公布号 |
WO2013015992(A2) |
申请公布日期 |
2013.01.31 |
申请号 |
WO2012US46231 |
申请日期 |
2012.07.11 |
申请人 |
BAKER HUGHES INCORPORATED;MCCOY, MATTHEW;SOLFRONK, MATTHEW |
发明人 |
MCCOY, MATTHEW;SOLFRONK, MATTHEW |
分类号 |
E21B21/10;E21B4/06;E21B34/08 |
主分类号 |
E21B21/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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