发明名称 |
CORE LIFTER CASE AND METHODS FOR USING SAME |
摘要 |
A core lifter case for receiving a core lifter. An inner surface of the core lifter case defines a plurality of circumferentially spaced slots, and each slot is configured to receive at least a portion of a corresponding rib defined by an outer surface of the core lifter. |
申请公布号 |
WO2015188099(A1) |
申请公布日期 |
2015.12.10 |
申请号 |
WO2015US34478 |
申请日期 |
2015.06.05 |
申请人 |
BLY IP INC. |
发明人 |
DRENTH, CHRISTOPHER, L.;IONDOV, GEORGE |
分类号 |
E21B25/12 |
主分类号 |
E21B25/12 |
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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