发明申请
- 专利标题: Segmented Bottom Guide for String Elevator Assembly
- 专利标题(中): 串电梯组装分段底部指南
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申请号: US11846169申请日: 2007-08-28
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公开(公告)号: US20090057032A1公开(公告)日: 2009-03-05
- 发明人: Jeremy R. Angelle , Donald E. Mosing
- 申请人: Jeremy R. Angelle , Donald E. Mosing
- 申请人地址: US LA Lafayette
- 专利权人: FRANK'S CASING CREW & RENTAL TOOLS, INC.
- 当前专利权人: FRANK'S CASING CREW & RENTAL TOOLS, INC.
- 当前专利权人地址: US LA Lafayette
- 主分类号: E21B19/06
- IPC分类号: E21B19/06 ; E21B19/10
摘要:
The present invention is directed to a segmented bottom guide for directing the top of a tubular member into and through a bore in the bottom of a tapered bowl so that the tubular member can be engaged by pipe slips. One embodiment of the segmented bottom guide of the present invention comprises a bottom guide retainer having a plurality of chambers for being disposed intermediate the top of a bell guide and the bottom of the tapered bowl. The bottom guide segments are radially received into, and securable in, the retainer to therein and together form a generally conical frustum generally aligned with and intermediate the top of the bell guide and the opening of the tapered bowl.
公开/授权文献
- US07997333B2 Segmented bottom guide for string elevator assembly 公开/授权日:2011-08-16
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