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VFD DRILLING RIG

2016-06-04 17:27      Click£ºtimes
  • This kind of rig123.net' target='_blank'>drilling rigs are designed and manufactured in accordance with API Spec Q1, 4F,7k, 8C, 9A and RP500, GB3826.1, GB3836.2, SY5609 standards.
  • These drilling rigs adopt an advanced AC-VFD-AC or AC-SCR-DC drive system and a non-step speed adjustment can be realized on the drawworks, rotary table and mud pump, which can obtain a good well-drilling performance with the following advantages: calm startup, high transmission efficiency and auto load distribution.
  • One -to -one control is designed for the VFD system and one-to –two control is designed for the SCR system, The intellectual control of the driller over the drilling rigs can be realized by PLC system and the integrated design of touch screen parameters of gas, electricity, fluid and drilling instrumentation.
  • K type mast and the swing-up/sling-shot substructure have a good stability and provide a large working space. The mast and the equipment on the drill floor can be assembled on the ground and raised integrally.
  • The skid module structure can make the whole unit very compact and quick for movement, which can meet the requirements of the whole-unit-trucked transportation and of cluster-type-well drillings.
  • The drawworks will be driven by a single-shaft gear with a non-step speed adjustment. The transmission is simple and reliable.
  • The drawworks is equipped with a hydraulic disc brake and a motor-energy-consumption braking, and the braking torques can be controlled via the computer.
  • An auto bit feeder is equipped individually to realize real-time monitoring to the dropping process and drilling process of the DP.
  • Safety and inspection measures are strengthened under the guidance of the design concept of “Humanism Above All” to meet the requirements of HSE.

The main technical performance and specification for the skid-mounted drilling rigs

Model ZJ10DB ZJ20K ZJ30K ZJ30DB ZJ40K
Drilling depth(ft) 41/2?DP 1600-3200 3900-6600 5200-9800 5200-9800 8200-13000
5?DP 1600-2600 3600-5900 4900-8200 4900-8200 6600-10000
Max hook load ? lbs ? 150000 350000 380000 380000 500000
Hook speed (ft/s) 0~3.6 0.67~4.9 0.67~4.9 0~3.9 0.49 ? 4.5
Mast height (ft) 95 102 108 135 141
Mast type Erective section Erective section Erective section K type Erective section
Height of the drill floor 
(ft)
8.86 14.76 18.37 16.4 19.68
Substructure type Folding Folding Folding frame Folding frame Folding frame /telescopic
Engine type AC- VF Motor CAT3412 DITA 
Or C-16 ATAAC
CAT3408 DITA 
Or 2×C-15 ATAAC
AC-VF motor 2×CAT3412 DITA 
or 2×C-16 ATAAC
Engine power(No×hp) 308 650 
or 660
2×531 
or 2×526
671 2×650 
or 2×660
Transmission type Electrical
Mechanical
Hydraulic+ mechanical Hydraulic+ mechanical Electrical+ 
Mechanical
Hydraulic+ mechanical
Model of the transmission box ZJ10 S6610HR 2×S5610HR JZK-190 4-shiftgear box S6610HR
Traveling system 4×5 4×5 5×6/4×5 5×6 5×6/6×7
Drawworks Model JC10DB JC20K JC30K JC30DB JC40K
Drawworks power(hp) 268 469 536 671 986
Main brake Band Band Band Band /disc Band/disc
Auxiliary brake 224WCB 224WCB 324WCB 324WCB 236WCB
Main wireline diameter (in) 7/8 1 1/8 1 1/8 / 1 1/4 1 1/8 1 1/4
Model of the hook block YG70 YG160B YG225 YG225 YG225
Model of the swivel SL110 XSL170 SL225 SL225 XSL225
Model of rotary table ZP175 ZP175 ZP205 - P275 ZP275 ZP275
Mud pump power (hp/set) 496 791/2 986/2 986/2 1287/2
Working pressure of the hydraulic system (psi) 2030
Working pressure of air system (psi) 143
Weight (lbs) 176000 190000 220000 370000 620000
Model ZJ40LDB ZJ40DB ZJ50DB ZJ70LDB ZJ70DB
Drilling depth (m) 4 1/2?DP 8200-
13000
8200-
13000
11000-
16000
15000-
23000
15000-
23000
5?DP 6600-
10000
6600-
10000
9200-
15000
13000-
20000
13000-
20000
Max hook load (lbs) 500000 500000 700000 1000000 1000000
Hook speed (ft/s) 0.67-4.6 0-3.9 0-3.9 0-3.9 0-3.9
Mast height (ft) 141 141 141 ? 148 148 148
Mast type K type K type K type K type K type
Height of the drill floor (ft) 24.61 24.61 24.61 ? 29.53 29.53 ? 34.45 29.53 ? 34.45
Substructure type swing-up Swing-up Swing-up/
sling-shot
Swing-up Swing-up
Engine type A12V190P
ZL-3
CAT3512B generator set CAT3512B generator set A12V190P
ZL-3
CAT3512B generator set
Engine power (No×hp) 3×1086 2×1676+536 3×1676 3×1421 4×1676
Transmission type hydraulic+ 
mechanical
VFD VFD hydraulic+ 
mechanical
VFD
Model of the transmission box YZOJ750 ZJ40 ZJ50 YZOJ750 ZJ70
Traveling system 5×6 5×6 6×7 6×7 6×7
Drawworks Model JC40LDB JC40DB JC50DB JC70LDB JC70DB
Drawworks power (hp) 986 1073 1609 1971 2146
Main brake disc brake Disc brake Disc brake Disc brake Disc brake
Auxiliary brake FDWS40 energy-
consumption
braking
Energy-
consumption
braking
FDWS70 energy-
consumption
braking
Main wireline
diameter (in)
1 1/4 1 1/4 1 3/8 1 1/2 1 1/2
Model of the
hook block
YC225 - DG225 YC225 - DG225 YC315 - DG315 YC450 - DG450 YC450 - DG450
Model of the swivel SL225 SL225 SL450 SL450 SL450
Model of rotary table ZP275 ZP275 ZP375 ZP375 ZP375
Mud pump power (hp/set) 1287/2 1287/2 1287/2 1582/3 1582/3
Working pressure of the hydraulic system (psi) 2030/2320
Working pressure of air system (psi) 143
Weight (lbs) 710000 660000 770000 990000 880000

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