ZJ40/2250DZ
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
Model ZJ30J/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
