- 专利标题： Drilling rigs and erection methods
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申请号： US12074270申请日： 2008-02-29
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公开(公告)号： US08468753B2公开(公告)日： 2013-06-25
- 发明人: Robert Benjamin Donnally , Chunqiao Ren , Stuart Arthur Lyall McCurdy , Xi Lin Liu , Hui Chun Sheng , Yan Yu
- 申请人： Robert Benjamin Donnally , Chunqiao Ren , Stuart Arthur Lyall McCurdy , Xi Lin Liu , Hui Chun Sheng , Yan Yu
- 申请人地址： US TX Houston
- 专利权人： National Oilwell Varco L.P.
- 当前专利权人： National Oilwell Varco L.P.
- 当前专利权人地址： US TX Houston
- 代理机构： Williams, Morgan & Amerson, P.C.
- 主分类号： E04H12/18
- IPC分类号： E04H12/18 ; E04H12/34
摘要：
Systems and methods for erecting a drilling rig. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).
公开/授权文献
- US20090218139A1 Drilling rigs and erection methods 公开/授权日：2009-09-03
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