There is a high requirement for the derrick substructure of the ultra-deep well in structural form, layout of component parts and main materials.

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。

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There is a high requirement for the derrick substructure of the ultra-deep well in structural form, layout of component parts and main materials.

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。

youdao