... drilling rig: 1)Drilling depth,7000m, 2)Hook load, 4500kN, 3)Drawwork power,2000kw, 4)Auxiliary brake:E.T. N brake ZJ70/4500D rig ... can satisfy the requirement for explosion-proof, safety, drilling engineering and equipment installation, dismantling and easy maintenance ... ,000 (1700)505,800 (2250))708,200 (31501011,600 (4500)Drawwork Rated Powerhp(kW)650 (484)1000 ( ... 138 (42)141 (43)148 (45) drilling rig