Oil Drilling Machine

Following are the specifications of Oil Drilling Machine:
Nominal drilling depth(114mm drill pipe): 2500-4000m
Max. hook load rating: 2250kN
Max. number of lines for travelling system : 10
Dia. of wire line: 32 (1-1/4) mm(in)
O.D. of sheave in traveling system : 1120 (44) mm(in)
I.D. of swivel stem : 75 (3) mm(in)
Rated power of drawworks : 735 (1000) kW(hp)
Transmission of drawworks : 4

ZJ50/3150DB
Nominal drilling depth(114mm drill pipe) : 3500-5000m
Max. hook load rating : 3150 kN
Max. number of lines for travelling system : 12
Dia. of wire line : 35 (1-3/8) mm(in)
O.D. of sheave in traveling system : 1270 (50) mm(in)
I.D. of swivel stem : 75 (3) mm(in)
Rated power of drawworks : 1100 (1500) kW(hp)
Transmission of drawworks : Stepless speed regulation

ModelZJ30J/1700
Nominal drilling depth : 10,000ft (5" DP)
Max. hook load rating : 1700kN
Rated power of drawworks : 900hp
Mast clearance : 147ft
Substructure type : Box on box
Drill floor height : 16.5ft
Substructure clearance : 12ft

The petroleum drilling rigs are classified into 5 grades by the nominal drilling rig range limit and the maximum hook load: ZJ30/1700, ZJ40/2250, ZJ50/3150, ZJ70/4500, ZJ90/5850

By the drive type: Electric Drive Drilling Rigs, Electromechanical Drilling Rigs, and Mechanical Drive Drilling Rigs