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drilling rig for 3D seismic shothole in desert
~1 Technique description and performance:
TST-200 Drilling rig are designed with air, mud and air hammer drilling. It is applicable for seismic prospecting in complex stratum area such as Gobi, desert, river bed and gravel etc. Mainly uses imported components. It is mounted on 4X4 or 6X6 off-road chassis with steady performance, low maintenance cost and easy to operation.
It can carry out liquid normal circulation and air normal circulation etc. many kinds of drilling methods.
Adopts full hydraulic drive, central control, facilitate operating and reliable.
Power takes from the chassis engine. After changing in transfer case, power of chassis engine will be sent to hydraulic system of drilling rig, air compressor and mud pump.
Mud pump and air compressor are controlled by one clutch separately. Install un-directional valve on air pipeline to prevent mud getting into air compressor system.
Drilling rig system works by two hydraulic variable pump work through series-parallel connection. Power swivel uses double speed motor driving with big rev and torque scope. It has a broad applicability.
Top-driving improves drilling efficiency highly. End frame at end part is leveled through hydraulic system.
Pulldown speed control system of drilling rig has the function of self-adapting to stratum. It doesn’t need manpower non-stop operating down hydraulic level. Drilling system can carry out possible max speed to do drilling according to stratum situation.
Specially designed two pieces of hoisting chains auto equalizer can improve the system’s security and reliability. Drilling rigs meet QHSE requirements.
Chassis chosen for drilling rig include: Tiema China, Shatuo China and SHANXI automobile China.
2 Main technical parameter of drilling rig:
1, Optimum working ambient temperature: -10～40℃.
2, Optimum working altitude height: lower than 2000meters.
3, Drilling method: air/air hammer drilling & water drilling
4, Working rev: 1600r/min
5, Max drilling depth: air drilling and air hammer drilling: 120 meters & water drilling: 200meters
6, Drilling tools:
Drilling pipe: Φ60×4.5meters
Drilling bits: 3-1/2” to 4-1/2”
7, Power swivel:
Max output torque: 4820 N.m
Output rev: 0～247 r/min
Velocity ratio: 2.38
8, Pull-down & pull up system:
Pull-down force: 10 kN
Pull up force: 35 kN
Pull up speed: 0～1.2 m/s
9, Hydraulic system: Main system working pressure: 20 Mpa.
10, Air compressor
Displacement/pressure: 12.5 m3/min /0.8 MPa
11, Mud pump
Model 460/25 duplex double action piston type
Max. pressure 2.45 MPa
Rated displacement 458 Liter/Min
12, Mast: door type truss structure,
13, Chassis
Truck: Shatuo made in China
Model: WTC5161TSM BUGGY
Drive type: 4x4
Max. speed 45km/h
Gross vehicle weight (with full load) 16400kg
Overall dimensions (LXWXH) 8120x3650x3360mm
Engine:
Model brand: BF6M1013
Style: Six-cylinder in-line direct injection diesel engine, water cooled.
Rated power/ Speed at max. output 280hp/2300r/min
14, Drilling rig overall dimension(mm): 10520×3600×4155
Drilling rig weight (kg): about 16000
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drilling rig for 3D seismic shothole in desert Images
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