Service attitude is good
Product quality is guaranteed
Team has been established for a long time and we have rich work experience
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Reverse circulation system parameters
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Technical parameters
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Unit
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SL400
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SL500
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SL600
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SL800
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SL1200
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Max drilling depth
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M
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300
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400
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500
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600
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1000
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Drilling diameter
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mm
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105-305
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105-400
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105-450
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105-550
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105-800
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Air pressure
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Mpa
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1.2-3.5
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1.6-6
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1.6-6
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1.6-8
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1.6-8
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Air consumption
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m³/min
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16-55
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16-55
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16-75
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16-96
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16-96
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Drill pipe length
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m
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3
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3
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3
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6
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6
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Drill pipe diameter
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mm
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89/102
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102/114
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102/114
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114/127
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127/146
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Air circulation double layer drill pipe
diameter |
Mm
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89/102
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102/114
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102/114
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114/127
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127/146
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Axial pressure
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T
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6
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7
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7
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11
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13
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Lifting force
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T
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22
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25
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29
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47
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57
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Fast lifting speed
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m/min
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20
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23
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29
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29
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30
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Fast feeding speed
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m/min
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32
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33
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28
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42
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44
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Max rotary torque
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Nm
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8000/4000
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10000/5000
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12000/6000
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18000/9000
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24000/12000
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Max rotary speed
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r/min
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75/150
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75/150
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75/150
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70/140
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86/172
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Small secondary winch lifting force
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T
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1.5
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1.5
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2.5
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2.5
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2.5
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Jacks stroke
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m
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1.6
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1.6
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1.7
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1.7
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1.7
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Drilling efficiency
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m/h
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10-35
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10-35
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10-35
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10-35
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10-35
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Moving speed
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Km/h
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2.5
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2.5
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3.5
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5
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6.4
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Uphill angle
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slope
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21°
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21°
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21°
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21°
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21°
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Weight of the rig
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T
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11
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12
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12.5
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17
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23
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Dimension
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m
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6.2*1.85*2.8
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7*2.1*2.8
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7*2.1*2.8
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10.5.*2.25*3.3
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11.5*2.25*3.4
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Working condition
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Unconsolidated formation and stone head
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Drilling method
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Top drive hydraulic rotary and pushing hammer or mud drilling
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Matched DTH hammer
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Medium and high air pressure series
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Optional accessories
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Mud pump,Centrifugal pump,Generator,foam pump
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