LZ216 Down-hole Motor is usually composed of components such as bypass valves, motors, universal shafts, and transmission shafts. It is powered by drilling fluid, and the drilling fluid pumped out by the mud pump flows through a bypass valve into the motor. A certain pressure difference is formed at the inlet and outlet of the motor, which drives the rotor of the motor to rotate and transmits torque and speed to the drill bit through the universal shaft and transmission shaft, thereby driving the drill bit to rotate and break the rock.
The size of the motor section is also larger, capable of withstanding greater pressure differentials and outputting greater torque. In addition, the water power of the drill bit is high, and washing the drill bit clean can prevent the drill bit from getting stuck in mud.
This drilling tool is powered by various drilling fluids such as oil-based mud, emulsified mud, and clay mud, and has strong adaptability. It can be used for drilling operations in special wells such as horizontal wells and cluster wells, greatly improving drilling speed and economic benefits.
In high displacement wells, LZ1216 Down-hole Motor can overcome various difficulties caused by long-distance drilling, such as torque transmission loss and increased friction, ensuring the smooth progress of drilling operations.
Model | 3LZ216×7.0Ⅵ | 5LZ216×7.0V | 7LZ216×7.0Ⅳ | |
Bit Size | in | 12 1/4– 15 1/2 | 12 1/4– 15 1/2 | 12 1/4– 15 1/2 |
OD | mm | 218 | 218 | 218 |
ABH | ° | 0-3 | 0-3 | 0-3 |
Lobe | 3:4 | 5:6 | 7:8 | |
Stages | 6 | 5 | 4 | |
Pressure | MPa | 4.8 | 4 | 3.2 |
Flow Rate | L/s | 32-38-42 | 32-42-50 | 35-45-55 |
Flow Per Revolution | L/r | 10.7 | 18.4 | 22.8 |
Bit Speed | rpm | 180-213-235 | 105-137-163 | 90-118-145 |
Torque | N·m | 7600 | 11800 | 10000 |
Max.torque | N·m | 13300 | 21240 | 18000 |
Output Power | kw | 138-181 | 128-200 | 120-200 |
Weight on Bit | KN | 180 | 180 | 180 |
Max. Weight on Bit | KN | 280 | 280 | 280 |
Connection | Top Female Thread REG | 6 5/8 | 6 5/8 | 6 5/8 |
Bottom Female Thread REG | 6 5/8 | 6 5/8 | 6 5/8 | |
Length | mm | 9025 | 9025 | 9025 |
Weight | kg | 1680 | 1766 | 1960 |
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