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.
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申请公布号 |
CA2716749(A1) |
申请公布日期 |
2009.09.03 |
申请号 |
CA20092716749 |
申请日期 |
2009.02.27 |
申请人 |
NATIONAL OILWELL VARCO, L.P. |
发明人 |
DONNALLY, ROBERT BENJAMIN;REN, CHUNQIAO;LIU, XILIN;SHENG, HUI CHUN;YU, YAN;MCCURDY, STUART ARTHUR LYALL |
分类号 |
E21B15/00;E21B7/02 |
主分类号 |
E21B15/00 |
代理机构 |
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代理人 |
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