超深井钻机井架底座在结构形式、构件布局、主体材料的选取等方面均有较高要求，常规的井架、底座主体材料难以满足超深井钻机特定的载荷和工况要求。
There is a high requirement for the derrick substructure of the ultra-deep well in structural form, layout of component parts and main materials.
强调指出，在这种振动分析中忽略底座与地基对井架振动的耦合作用，将导致工程上不允许的误差。
It is especially pointed out that ignoring the effect of coupling the base frame and the foundation with the mast will lead to errors that are not acceptable in engineering.
井架采用三节伸缩式结构，底座采用平行四边形结构，能用液缸整体起升。
The structure of the derrick is triple-section telescoping structure, substructure is parallelogram structure, can be lifted by hydraulic cylinder.
钻机天车、井架、底座、转盘及游动系统等主要配套件符合API规范。
Main parts such as crownblock, mast, substructure, rotary table and travelling system of drilling rig meet API standard.
钻机天车、井架、底座、转盘及游动系统等主要配套件符合API规范。
Main parts such as crownblock, mast, substructure, rotary table and travelling system of drilling rig meet API standard.
应用推荐