Oil field ZJ70/4500LDB Drilling Rig

Oil field ZJ70/4500LDB Drilling Rig Over 4 decades,We have been specializing in drilling rig matching and production,and can provide ZJ90,ZJ70,ZJ50,ZJ40,ZJ30 drilling rig and related accessories that fully conform to API standard,including the drill,top drive drilling system,BOP blowout preventer,manifold system,compound drill pipe,drill pipe,drill collar,drilling tools,commuter transport vehicles,the lifting cranes and excavators,generator set etc. ZJ70/4500LDB rig drives the compounding box via 3 diesel engines and anti-clockwise coupling engine set. Compound chain box is 6 shafts energy-save sealing structure which includes 3 engines and 2 pumps .（Ⅰ、Ⅲ and Ⅳ shafts are input shafts of engine drive）. Ⅱand Ⅴshafts are used to drive mud pumps, Ⅵ shaft is used to drive energy-saving Generator, and drive Drawworks by eight-row chain. Front open-face mast and Swing up substructure are raised by Drawworks. The main brake of Drawworks is hydraulic disc brake, the auxiliary brake is elect…