发明申请
US20130213658A1 METHODS AND SYSTEMS FOR WIPING SURFACES WHEN PERFORMING SUBTERRANEAN OPERATIONS
审中-公开
在执行地下工作时擦拭表面的方法和系统
- 专利标题： METHODS AND SYSTEMS FOR WIPING SURFACES WHEN PERFORMING SUBTERRANEAN OPERATIONS
- 专利标题（中）： 在执行地下工作时擦拭表面的方法和系统
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申请号： US13398431申请日： 2012-02-16
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公开(公告)号： US20130213658A1公开(公告)日： 2013-08-22
- 发明人: Gary Joe Makowiecki , Patrick Lyle Cherney
- 申请人： Gary Joe Makowiecki , Patrick Lyle Cherney
- 专利权人： HALLIBURTON ENERGY SERVICES
- 当前专利权人： HALLIBURTON ENERGY SERVICES
- 主分类号： E21B37/04
- IPC分类号： E21B37/04
摘要：
Improved darts and methods of using these darts in subterranean wells are disclosed. The improved dart comprises a foam portion and a rubber portion coupled to the foam portion. A dart nose is coupled to at least one of the foam portion and the rubber portion. The foam portion and the rubber portion are configured to interface with an inner surface of at least one of a well bore wall, a pipe, and a casing string.
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