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 |