MAST/SUBSTRUCTURE/CROWN BLOCK

Various types of masts, substructures and Crown Blocks designed, manufactured by HH, with load capacity 60 to 900 metric tons.

Mast types include cantilever-type K-mast, telescopic type K-mast, A-type mast, mast for offshore platform, tower type derrick, as well as the guyline-type mast for truck-mounted rig.

Substructure types include slingshot type, swing-up type, box-on-box type, block type, offshore platform substructures and skidding mechanism.

HH can design and manufacture special masts and substructures for desert fast-moving rig, arctic rig, and cluster well skidding rig, etc.

All the customized products are based on customer requirements and also meet API stardards.