发明名称 |
SELECTIVELY ACTUATING EXPANDABLE REAMERS AND RELATED METHODS |
摘要 |
Expandable reamers are configured to operate in a first, retracted state in which a plurality of blades is in a retracted position when a sliding sleeve is in a first sleeve position and a seat is in a first seat position, to operate in a second, extended state in which the plurality of blades is movable to an extended position when the sliding sleeve is in at least a second sleeve position and the seat is in the first seat position, and to operate in a third, retracted state in which the plurality of blades is returned to the retracted position when the sliding sleeve is in the at least a second position and the seat is in a second seat position. |
申请公布号 |
WO2013090378(A3) |
申请公布日期 |
2013.09.26 |
申请号 |
WO2012US69162 |
申请日期 |
2012.12.12 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
RADFORD, STEVEN, R.;OESTERBERG, MARCUS;GENTRY, S., RICHARD |
分类号 |
E21B10/32;E21B10/30 |
主分类号 |
E21B10/32 |
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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