发明名称 A SKID ASSEMBLY FOR SUPPORTING A DRILLING TOWER
摘要 <p>A skid assembly (300) for supporting a drilling tower (308), said skid assembly (300) comprising : (i) a first member (312) for slidably supporting a drilling tower (308); and (ii) a second member (314) for slidably supporting said drilling tower (308); said first member (312) and said second member (314) being spaced apart in a horizontal direction; characterized in that; said second member (314) is located at a higher level than said first member (312).</p>
申请公布号 SG11201505730V(A) 申请公布日期 2015.08.28
申请号 SG11201505730V 申请日期 2014.02.07
申请人 NATIONAL OILWELL VARCO, L.P. 发明人 DONNALLY, ROBERT BENJAMIN
分类号 E21B15/00 主分类号 E21B15/00
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