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 You are here >> All pictures >> DC Electric Drilling Rig
 
  

Number:
91413443316
Name:
DC Electric Drilling Rig
Specification:
Remark:
 

Product Features:
1.Adopting advanced AC-SCR-DC technology, smooth shift changes are available for drawworks, rotary table and mud pumps for optimum drilling performance.
2.  Both swing lift and sling-shot parallel-integrated substructures with 9mand10.5 mfloor height are optional. All parts on rig floor and mast are installed on ground and raised with drawworks power.  
3.  Main brake of drawworks can be hydraulic disc brake or band brake. Auxiliary brake of drawworks is air-cooled or water-cooled electric magnetic eddy brake, or pneumatic disc brake.
4.  Rotary table is driven by drawworks power through compound drive or by an independent motor. In addition, emergency device is provided to drive rotary table via drawworks once in emergency for reliable drilling operations.
5.  A separate driller cabin is fitted. Operations for air, electric and hydraulic, drilling data and parameters are all in the cabin. Logic control, supervision and maintenance during complete drilling operations are available by PLC processes. The drilling data can be stored, printed and remote transmitted.
6.  Integrated skid rail may be provided to meet requirements for cluster well drilling.
7. Top drive drilling system can be equipped.
Product types and specifications:

Drilling rig model

ZJ40/2250D

ZJ50/3150D

ZJ70/4500D

Nominal drilling
depth, m        

127mm(5") drill pipe

2000-3200

2800-4500

4000-6000

114mm(4 1/2" ) drill pipe

2500-4000

3500-5000

5000-7000

Max. hook load,kN (t)

2250(225)

3150(315)

4500(450)

Hook speed , m/s

0-1.4

0-1.49

0-1.51

Line strung of hoisting system

10

12

12

Drill line diameter,mm

32

35

38

Max. pull of fast line,kN   

280

350

487

Drawworks

Model

JC-40D

JC-50D

JC-70D

Power rating,kW (HP)

735(1000)

1100(1500)

1470(2000)

Speed

4

4

4

Main brake

Hydraulic disc brake

Auxiliary brake

Eddy or pneumatic disk brake

Crown block

TC-225

TC-315

TC-450

Traveling block

YC-225

YC-315

YC-450

Sheave OD of hoisting system, mm (in)

1270(50)

1270(50)

1540(60.6)

Hook         

DG-225

DG-315

DG-450

Swivel

Model

SL-450

SL-450

SL-450

Stem dia. , mm

75

75

75

Rotary table 

Table opening,mm (in)

698.5(27 1/2)

952.5(37 1/2)

952.5(37 1/2)

Speed

I or II, smooth change

I or II, smooth change

I or II, smooth change

Drive mode

Independent electric drive

Independent electric drive or compound drive

Independent electric drive or compound drive 

Mast 

Type

K

K

K

Height, m

44

45

45

Max. load, kN(lbs)

2250(500000)

3150(700000)

4500(1000000)

Racking board height,m

24.5, 25.5, 26.5

Substructure

Type

sling-shot

Swing lift or sling-shot

Floor height,m

7.5

9

9 (10.5)

Clear height,m

6

7.6

7.6 (9)

Mud pump        

Model×number

F-1000×2

F-1600×2

F-1600×3

Drive mode

DC elecetric

High pressure manifold

Ф103( bore dia. ) ×35MPa

Electric drive mode

AC-SCR-DC,one for one or one for two control  

The number and capacity of the main generator sets

2×1910KVA

3×1500KVA

4×1500KVA

 

 

 

 

 

 


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