发明授权
- 专利标题： Wellhead bunker
- 专利标题（中）： 井口地堡
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申请号： US97171申请日： 1979-11-26
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公开(公告)号： US4335740A公开(公告)日： 1982-06-22
- 发明人: Jack W. Boley
- 申请人： Jack W. Boley
- 申请人地址： TX Dallas
- 专利权人： Texas Oil and Gas Corporation
- 当前专利权人： Texas Oil and Gas Corporation
- 当前专利权人地址： TX Dallas
- 主分类号： E02D29/12
- IPC分类号： E02D29/12 ; E02D29/14 ; F16L5/00
摘要：
In the production and delivery of oil and/or gas from a well, a wellhead (10) is completely enclosed within a bunker (28) equipped with a sump line (30) and ladders (62). A top cover (36) encloses the upper end of the bunker (28) and is supported on structure (38). Vents (32) and (34) are included as a part of the top cover (36) to provide ventilation through the bunker (28).
公开/授权文献
- USD413884S Portable telephone 公开/授权日：1999-09-14
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