Air drilling motor
The air downhole motor (or air drilling motor , air motor) is a downhole positive displacement motor (PDM) that uses compressed gas as the medium. It can be widely used in construction operations such as oilfields, coal, geophysical exploration, and directional exploration. It is a necessary tool for underbalanced drilling and coal mines in some geological situations where mud can not be used, so it has been popularized and applied.
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Air drilling motor
The air downhole motor (or air drilling motor , air motor) is a downhole positive displacement motor (PDM) that uses compressed gas as the medium. It can be widely used in construction operations such as oilfields, coal, geophysical exploration, and directional exploration. It is a necessary tool for underbalanced drilling and coal mines in some geological situations where mud can not be used, so it has been popularized and applied.
Basic parameters and performance data.
| Type | End OD of body, mm | Working OD, mm | Bit OD, mm | Thread type | Head count | Level count | Flow rate | Rotary speed | Starting pressure Loss,Mpa | Working Pressure Loss,Mpa | Torque, N.m | WOB, kN | Max WOB, kN | Power, KW | ||
| Length,mm | ||||||||||||||||
| Upper end | Lower end | |||||||||||||||
| K5LZ57 | 57 | 63 | 65～89 | 11/2REG | 11/2REG | 5:06 | 1 | 3.0～5.0 | 240～400 | 0.2 | 0.5 | 128 | 2 | 5 | 4.2 | 3250 |
| K5LZ65 | 66 | 74 | 79～95 | 11/2REG | 11/2REG | 5:06 | 1 | 4.0～6.0 | 194～291 | 0.2 | 0.5 | 212 | 3 | 6 | 5.3 | 3500 |
| K5LZ73 | 75 | 83 | 89～102 | 23/8REG | 23/8REG | 5:06 | 1 | 5.0～8.0 | 196～313 | 0.2 | 0.5 | 295 | 5 | 10 | 7 | 4220 |
| K5LZ79-2 | 80 | 89 | 102～120 | 23/8REG | 23/8REG | 5:06 | 1 | 8.0～10.0 | 199～245 | 0.3 | 1 | 500 | 5 | 10 | 13.5 | 4495 |
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