ZJ70 Land Rig
分类: ZJ70 Land Rig  发布时间: 2000-06-05 11:43 

ZJ70 Land Rig
ZJ70 Land Rig

Features:

The ZJ70 Land Rig mainly have two types: Mechanical Rig and Electrical Rig.

Main technical parameters for electrical rigs:

MODEL:U.S Met
ZJ70/4500D
ZJ70/4500DB
Nominal drilling depth:
1480023000ft 45007000m(4 1/2"DP)
1310019700ft 40006000m(5"DP)
1480023000ft 45007000m(4 1/2"DP)
1310019700ft 40006000m(5"DP)
Max.hook load:
992000lps  4500kN
992000lps  4500kN
Max.drill stem load: 
485000lps  2200kN
485000lps  2200kN
Drawworks max.input power :
2000HP 1470kw
2000HP 1470kw
Drawworks speed steps     
4/stepless
stepless
Main brake model       
Hydraulic disk brake/band brake
Hydraulic disk brake/band brake
Auxiliary brake model
energy consumption brake /eddy current brake /E.T.N brake
energy consumption brake/eddy current brake /E.T.N brake
Wireline diameter:     
1-1/2"   38mm
1-1/2"   38mm
Crown sheaves number and travelling sheaves number
7×6
7×6
Open diameter of rotary table:
37-1/2"  952.5mm
37-1/2"  952.5mm
Rotary table drive type            
Independent electric drive 
Independent electric drive
Mast type
"K"
"K"
Clear height of mast:
152ft   46.5m
152ft   46.5m
Substructure height:
20.5ft(7.5m),29.5ft(9m),34.5ft(10.5m)
20.5ft(7.5m),29.5ft(9m),34.5ft(10.5m)
Clear height of substructure:
20ft(6.12m),25ft(7.62m),30ft(9.12m)
20ft(6.12m),25ft(7.62m),30ft(9.12m)
Power of single mud pump:
1600HP   1180kw
1600HP   1180kw
Mud pump sets
3
3
Type of driving
AC-SCR-DC
AC-VFD-AC
Power of main diesel:
1630HP  1200kw
1630HP  1200kw
Main diesel sets
4
4
Total volume of mud tank:
2500BBL  380 m3
2500BBL  380 m3

 

 

Main technical parameters for mechanical rigs:

Nominal drilling depth(φ114 drill stem)
4500-7000m
Maximum hook load
4500 kN
Maximum drill stem weight
 220 t
Steel wire rope diameter
φ38 mm
Fast line maximum tension
485 kN
Winch rated input power
 1470 kW
 Winch gears 
6 forward gears and 2 reverse gears
 Roller dimension (diameter × length)
φ770X1310 mm
 Brake form 
Disc brake
brake disc dimension (diameter × length)
φ1520X76 mm
Auxiliary brake 
DS50 electromagnetic brake
 Rotating disc type
ZP-375
 Rotating disc opening diameter
952 mm
Rotating disc gears  
II
 Rotating disc girder maximum net load
2250 KN
 Rotating disc rotate speed
20-200 r/min
 Rotating disc rotate speed
 45 m
Second platform height
 24.5,25.5,26.5 m
Second platform capacity (28m three-joint unit   144mm drill stem)
7000 m
Drilling platform surface height
ront 10.5 m, back 0.8 m
 Derrick bottom open gear
 9m
Derrick pattern  
 K 
Rotating disc girder under headroom
8900 mm
 Diesel engine and hydraulic positive trunk
A12V190PZL-3/O+ YOZJ750-20ZhLshB
Power of diesel generating set 
3X400 KW
Voltage/frequency of diesel generating set 
 400V 50Hz
Turn plate motor power
 600 KW
 Turn plate motor voltage
 400 V
Mud tube remit pressure
 35 MPa
Mud tank total capacity 
550m3
 Mud pump model and quantity 
3NB-1600   2 sets
 Total installed power
3X1060+3X400KW

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