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Home > Products > Offshore rig >ZJ40/2250D

4000m DC electric drilling rig

ZJ40/2250D Drilling module


Main features of drilling rig:

It adopts integrated design of mechanical, electrical and digital , its major functions realize digital control, and it possesses elementary functions of automation, intelligence and information . Structure design of rig components adopts advanced and proven technology from China and Overseas, which has advantages of reliable operation, convenient transportation and economic running to meet HSE requirements .

Driving of RT, DW and mud pump is independent, RT rev, torque and mud pump stroke can be adjusted separately as per drilling technology, which provides precondition and guarantee for drilling technology optimization and auto-bit-feeding realization.

RT and auto-bit-feeding both adopt all-digital auto control technique, so drilling operation can be done through optimized drilling parameters, which will reduce labor intensity significantly and improve work efficiency. Display, restoration, regulation and control, remote management of major drilling parameters can be realized.

Main technical parameters :

Nominal drilling depth

2500~ 4000m ( 114mm Drill Pipe )

2000~ 3200m ( 127mm Drill Pipe )

Max. static hook load

2250kN

Traveling system Wire line system

5×6 , parallel

Drawworks Rated power

800kW

Gears of drawworks

4 forward +4 reverse

Dia. Of drilling line

φ 32mm

Opening diameter of rotary table

698.5mm ( 27 1/2″ )

gears of rotary table

2 gears +2 reverse

Mud pump quantity and Power

2×1300hp pump

Mast type and Effective height

K type , 43m

Drive model

AC-SCR-DC,1 to 1 type

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