发明名称 A METHOD AND SYSTEM FOR FACILITATING ASSEMBLY OF A DRILLING RIG
摘要 A method and system for facilitating assembl y of a dr illing rig, the method comprising the steps of assembling a substructure (20) of a drilling rig, wherein the substructure compris es a lower structure (14) arranged on the ground and an upper structure (12) arranged thereabove and connected thereto characte rised in that said upper structure (12) ha s an upper open space, the lower structure has a lower open space, at least a portion of the upper open space above the lower open space, moving with a vehicle (Tg,Th) on the ground a floor section (19) into at lea st a portion of said upper and lower space and securing the floor section (19) to the substructure.
申请公布号 WO2009106897(A2) 申请公布日期 2009.09.03
申请号 WO2009GB50202 申请日期 2009.02.27
申请人 NATIONAL OILWELL VARCO, L.P.;DONNALLY, ROBERT BENJAMIN;REN, CHUNQIAO;MCCURDY, STUART ARTHUR LYALL;LIU, XILIN;SHENG, HUI CHUN;YU, YAN;LUCAS, BRIAN RONALD 发明人 DONNALLY, ROBERT BENJAMIN;REN, CHUNQIAO;MCCURDY, STUART ARTHUR LYALL;LIU, XILIN;SHENG, HUI CHUN;YU, YAN
分类号 E21B15/00;E21B7/02 主分类号 E21B15/00
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