发明名称 |
COMPOUND BEAM MECHANICAL CASING COLLAR LOCATOR |
摘要 |
A mechanical casing collar locator is disclosed. The casing collar locator has an outermost, locator leaf spring cage, and one or more radially stacked reinforcement leaf spring cages. Each leaf spring cage has a plurality of flexible leaf spring beam members, each having a locator dog thereon for engage collar recesses, or other recesses, in the wellbore casing. The leaf spring beam members of the reinforcement leaf spring cages radially support the leaf spring beam members and the locator dogs of the locator leaf spring cage for providing enhanced radially outward spring force. |
申请公布号 |
CA2921795(A1) |
申请公布日期 |
2016.08.24 |
申请号 |
CA20162921795 |
申请日期 |
2016.02.24 |
申请人 |
ANDREYCHUK, MARK;ANGMAN, PER |
发明人 |
ANDREYCHUK, MARK;ANGMAN, PER |
分类号 |
E21B47/098;E21B47/09 |
主分类号 |
E21B47/098 |
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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