Detailed Product Description

Main features
(1) Substructures conform to API Spec 4F, and API monogram is allowed to use
(2) Substructures are classified basically as box on box type ,piece-mounting, sling-shot type and swing up type.
(3) The substructure of box on box type and pieces mounting type, have a relative higher substructure at front platform, satisfy the installation of standard BOP, otherwise, the substructure at back platform are relative lower, adapt to the installation of heavy equipment like drawworks and transmission unit
(4)   For slingshot and swing up type , the drill floor and equipments on it can be installed at low level. There are hydraulic bumping cylinders at the left and right of the drill floor, when mast raising, they act as bumper, when mast laying down, they act as push power

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