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ZJ40/2250L Skid Mounted Drilling Rig

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ZJ40/2250L Skid Mounted Drilling Rig

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Description

Description
Skid mounted drilling rig is diesel engine driven mechanical rig, the power from diesel engine will be paralleled through paralleling device to drive drawworks, rotary table and mud pumps. This mechanical drilling equipment is suitable for various oil, gas well drilling and exploration under 4000m at home and abroad.

Structure Principles and Features
1. Mechanical drive use "diesel engine + hydraulic torque converter (or coupler) + chain paralleling case”, "diesel engine + narrow V belt paralleling device” several combined drive mode.
2. Each part of drilling rig transmission system is connected by universal shaft, which is convenient to install and disassemble.
3. Power package and transmission device use low position installation, through universal shaft transfer the power onto rotary table on rig floor.
4. Skid mounted drilling rig is equipped with driller control house and drilling operation instruments.
5. Mechanical drilling equipment part of hydraulic, pneumatic mechanism and tools are set in control house, which improve the driller’s working condition and reduce the working strength.
6. Drawworks is sealing chain transmission drawworks with 4 forward and 2 reverse gears. The main brake uses hydraulic-disc brake, auxiliary brake use magnetic eddy current brake.
7. Drawworks is equipped with auxiliary drive device for AC motor, which can be used for mast up and down and emergency operation, and will reserve the connectors for drilling rig upgrading to auto-driller system.

 

Technical Parameters of Skid Mounted Drilling Rig

S/N Description Parameters
1 Nominal drilling depth 2500 to 4000m(114mm DP)
2000 to 3200m(127mm DP)
2 Max. hook load 2250kN
3 Drawworks rated power 735kW(1000HP)
4 Drawworks gears 4 forward 2 reverse gears
5 Max. wireline number of Traveling system 10
6 Drilling wireline dia. φ32 mm
7 Rotary table opening dia. 698.5 mm(27 1/2)
8 Rotary table gears of mechanical drilling equipment 4 forward 2 reverse gears
9 Mud pump type & number F-1300 mud pumps 2 sets
10 Mast type and effective Front opening type 43 m
11 Substructure type & Box block type 7.5 m
12 Clearance 6.3 m
13 Control mode Diesel engine drive

 

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