发明名称 Mobile drilling rig
摘要 Mobile drilling rigs and methods for moving drilling rigs are disclosed which, in one aspect, include wheel assemblies connected to a rig which wheel assemblies are selectively movable from a rig drilling position to a rig movement position. 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).
申请公布号 US8516751(B2) 申请公布日期 2013.08.27
申请号 US20080152651 申请日期 2008.05.15
申请人 KONDUC KAMERON WAYNE;CALLAGHAN JONATHAN DOUGLAS;ANDERSON TIMOTHY SCOTT;NATIONAL OILWELL VARCO L.P. 发明人 KONDUC KAMERON WAYNE;CALLAGHAN JONATHAN DOUGLAS;ANDERSON TIMOTHY SCOTT
分类号 B66C23/34;B66C23/26;B66C23/50 主分类号 B66C23/34
代理机构 代理人
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