Application Scenarios:
The equal-wall-thickness downhole motor is a high-performance downhole power device specifically designed for complex drilling operations requiring enhanced structural durability and stable power output. It is widely applied in directional drilling, horizontal drilling, and extended-reach drilling projects in oil and gas fields, especially suitable for drilling in harsh formation conditions such as abrasive sandstone formations, fractured formations, and heterogeneous conglomerate formations. This motor is also a preferred choice for unconventional resource development projects (e.g., shale gas, tight oil) and deep/ultra-deep well drilling, where the stator is subject to severe cyclic extrusion and abrasion. Additionally, it is extensively used in sidetracking and multilateral well drilling operations that demand long service life of downhole tools and reliable trajectory control, providing consistent power support for efficient rock-breaking and well path adjustment.
Product Advantages:
Compared with conventional downhole motors, the equal-wall-thickness type features unique structural advantages that significantly improve operational reliability and efficiency. Firstly, its stator adopts an equal-wall-thickness design, which effectively reduces stress concentration during operation, avoids uneven wear caused by uneven wall thickness, and greatly extends the service life of the power section, especially in high-abrasion formation conditions. Secondly, the optimized structural design ensures more stable power transmission and uniform torque output, minimizing vibration during drilling and improving the accuracy of well trajectory control. Thirdly, the equal-wall-thickness stator enhances the motor's resistance to high pressure and fatigue, enabling stable operation under complex downhole conditions such as high temperature and high pressure (HTHP). Moreover, this motor maintains high hydraulic efficiency even after long-term operation, ensuring consistent drilling penetration rate and reducing the frequency of tool tripping and replacement. Finally, its compatible structural design allows easy matching with various drill bits and measurement-while-drilling (MWD) tools, facilitating on-site operation and maintenance, and ultimately lowering overall drilling costs.
FAQ：
Q：What is the warranty period of your downhole motor and can you provide maintenance service?
A：Our downhole motor have a warranty of 400 hours, we have our own repair station in Kazakhstan, and we will consider setting up a repair service station in other places if needed.
Q: Are you a manufacturer?
A: Yes, we are factory.
Q: How about the delivery time?
A:10-25 working days after payment.
Technical parameter table of Downhole motor
Model ID | Unit | 5LZ57×7.0 | 7LZ73×7.0 | 7LZ89×7.0 | 9LZ89×7.0 | 7LZ95×7.0 | 7LZ102×7.0 | H7LZ102×7.0 | ||
Applicable hole size | mm | 83～121 | 83～121 | 105～143 | 105～143 | 114～150 | 114～150 | 114～150 | ||
in | 3 1/4～4 3/4 | 3 1/4～4 3/4 | 4 1/8～5 5/8 | 4 1/8～5 5/8 | 4 1/8～5 7/8 | 4 1/8～5 7/8 | 4 1/8～5 7/8 | |||
Flow rate | L/S | 2-4 | 2.5-5 | 5-10 | 5-10 | 6-12 | 6-12 | 7-14 | ||
Pressure | Mpa | 3.2 | 3.2 | 2.4 | 3.2 | 4.0 | 4.0 | 4.0 | ||
Speed | r/min | 246 | 140-280 | 122-244 | 245 | 132-264 | 132-264 | 120-240 | ||
Operation Torque | N·m | 200 | 491 | 854 | 504 | 1417 | 1417 | 2054 | ||
Maximum Torque | N·m | 300 | 736 | 1281 | 756 | 2126 | 2126 | 2875 | ||
Power Output | KW | 5.4 | 14 | 21 | 13.6 | 37 | 37 | 49 | ||
Working WOB | KN | 5 | 10 | 16 | 16 | 25 | 25 | 25 | ||
MaximumWOB | KN | 10 | 15 | 30 | 30 | 40 | 40 | 40 | ||
Connection | UP | 1 1/2 REG | 2 3/8 REG | 2 7/8 REG | 2 7/8 REG | 2 7/8 REG | 2 7/8 REG | 2 7/8 REG | ||
Down | 1 1/2 REG | 2 3/8 REG | 2 7/8 REG | 2 7/8 REG | 2 7/8 REG | 2 7/8 REG | 2 7/8 REG | |||
Stage | 4.0 | 5.0 | 3.2 | 4.0 | 5.0 | 5.0 | 4.0 | |||
Model ID | Unit | 7LZ120×7.0 | 5LZ127.5×7.0 | 7LZ127.5×7.0 | 7LZ135×7.0 | 7LZ150×7.0 | 5LZ165×7.0V | 5LZ165.5×7.0V | ||
Applicable hole size | mm | 152～200 | 152～200 | 152～200 | 159～203 | 171～222 | 215～244 | 215～244 | ||
in | 6～7 7/8 | 6～7 7/8 | 6～7 7/8 | 6 1/4-8 | 6 3/4-8 3/4 | 8 1/8～9 5/8 | 8 1/8～9 5/8 | |||
Flow rate | L/S | 8-16 | 15 | 9-18 | 12-24 | 15-30 | 18-30 | 1830 | ||
Pressure | Mpa | 3.2 | 4.0 | 4.0 | 4.0 | 4.0 | 3.2 | 4.0 | ||
Speed | r/min | 85-170 | 150 | 88-176 | 94-188 | 78-156 | 112-186 | 112-186 | ||
Operation Torque | N·m | 3060 | 2242 | 4133 | 5167 | 7291 | 5330 | 6662 | ||
Maximum Torque | N·m | 4590 | 3363 | 5808 | 7306 | 10309 | 7536 | 9420 | ||
Power Output | KW | 52 | 37 | 76 | 51 | 119 | 103 | 129 | ||
Working WOB | KN | 38 | 40 | 45 | 50 | 70 | 60 | 70 | ||
MaximumWOB | KN | 70 | 80 | 90 | 100 | 140 | 120 | 140 | ||
Connection | UP | 3 1/2 REG | 3 1/2 REG | 3 1/2 REG | 3 1/2 REG | 3 1/2 REG | 4 1/2 REG | 4 1/2REG | ||
Down | 3 1/2 REG | 3 1/2 REG | 3 1/2 REG | 3 1/2 REG | 3 1/2 REG | 4 1/2 REG | 4 1/2 REG | |||
Stage | 5.0 | 5.0 | 5.0 | 5.0 | 6.0 | 5.0 | 5.0 | |||
Model ID | Unit | 7LZ165×7.0 | H7LZ172.5×7.0Ⅶ | 7LZ172×7.0Ⅶ | 3LZ172×7.0 | 4LZ172×7.0 | 5LZ178×7.0 | 7LZ178.5×7.0 | ||
Applicable hole size | mm | 215～244 | 215～244 | 215～244 | 215～244 | 215～244 | 215～244 | 213～251 | ||
in | 8 1/8～9 5/8 | 8 1/8～9 5/8 | 8 1/8～9 5/8 | 8 1/8～9 5/8 | 8 1/8～9 5/8 | 8 1/8～9 5/8 | 8 1/8～9 5/8 | |||
Flow rate | L/S | 18-36 | 20-36 | 20-36 | 18-30 | 18-30 | 20-36 | 20-36 | ||
Pressure | Mpa | 3.6 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | ||
Speed | r/min | 82-164 | 75-150 | 80-144 | 172-289 | 137-229 | 107-193 | 80-144 | ||
Operation Torque | N·m | 7979 | 12680 | 10126 | 2225 | 3245 | 7764 | 10126 | ||
Maximum Torque | N·m | 1128 | 17752 | 14318 | 3337 | 4867 | 10970 | 14318 | ||
Power Output | KW | 137 | 241 | 154 | 70.7 | 72～108 | 157 | 154 | ||
Working WOB | KN | 70 | 80 | 100 | 70 | 70 | 80 | 100 | ||
MaximumWOB | KN | 140 | 160 | 160 | 140 | 140 | 160 | 180 | ||
Connection | UP | 4 1/2 REG | 4 1/2 REG | 4 1/2 REG | 4 1/2 REG | 4 1/2 REG | 4 1/2 REG | 4 1/2 REG | ||
Down | 4 1/2 REG | 4 1/2 REG | 4 1/2 REG | 4 1/2 REG | 4 1/2 REG | 4 1/2 REG | 4 1/2 REG | |||
Stage | 4.5 | 5.0 | 5.0 | 4.0 | 4.0 | 5.0 | 5.0 | |||
Model ID | Unit | 5LZ185×7.0 | 7LZ185.5×7.0 | 5LZ197×7.0 | 5LZ197.5×7.0 | 6LZ197×7.0 | 7LZ197×7.0 | 5LZ203·5×7.0 | ||
Applicable hole size | mm | 215～244 | 215～244 | 244～311 | 244～311 | 244～311 | 244～311 | 244～311 | ||
in | 8 1/8～9 5/8 | 8 1/8～9 5/8 | 9 1/8～12 5/8 | 9 5/8～12 1/4 | 9 5/8～12 1/4 | 9 5/8～12 1/4 | 9 5/8～12 1/4 | |||
Flow rate | L/S | 20-36 | 20-36 | 25-50 | 25-50 | 25-50 | 25-50 | 25-50 | ||
Pressure | Mpa | 4.0 | 4.0 | 3.2 | 4.0 | 4.0 | 4.0 | 4.0 | ||
Speed | r/min | 105-189 | 88-176 | 84-168 | 84-168 | 83-166 | 72-144 | 84-168 | ||
Operation Torque | N·m | 7897 | 9239 | 9925 | 12407 | 12350 | 14057 | 12407 | ||
Maximum Torque | N·m | 11050 | 13069 | 14033 | 17542 | 17290 | 19870 | 17542 | ||
Power Output | KW | 156 | 170 | 174 | 218 | 214 | 211 | 218 | ||
Working WOB | KN | 90 | 120 | 100 | 120 | 120 | 125 | 120 | ||
MaximumWOB | KN | 180 | 240 | 200 | 240 | 240 | 240 | 240 | ||
Connection | UP | 4 1/2 REG | 4 1/2 REG | 5 1/2 REG | 5 1/2 REG | 5 1/2 REG | 5 1/2 REG | 5 1/2 REG | ||
Down | 4 1/2 REG | 4 1/2 REG | 6 5/8 REG | 6 5/8 REG | 6 5/8 REG | 6 5/8 REG | 6 5/8 REG | |||
Stage | 5.0 | 5.0 | 5.0 | 5..0 | 5.0 | 5.0 | 5.0 | |||
Model ID | Unit | 6LZ203×7.0 | 7LZ203·5×7.0 | 7LZ216×7.0 | 5LZ216·5×7.0 | 7LZ228×7.0 | 5LZ244·5×7.0 | 7LZ244×7.0 | ||
Applicable hole size | mm | 244～311 | 244～311 | 273～323 | 273～323 | 311～445 | 311～445 | 311～445 | ||
in | 9 5/8～12 1/4 | 9 5/8～12 1/4 | 10 3/4～12 3/4 | 10 3/4～12 3/4 | 12 1/2～17 1/2 | 12 1/2～17 1/2 | 12 1/2～17 1/2 | |||
Flow rate | L/S | 25-50 | 25-50 | 28-55 | 28-55 | 35-70 | 35-70 | 35-70 | ||
Pressure | Mpa | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | ||
Speed | r/min | 83-166 | 72-144 | 90-176 | 90-176 | 78-156 | 80-160 | 72-144 | ||
Operation Torque | N·m | 12350 | 14057 | 16183 | 12855 | 16207 | 18708 | 20231 | ||
Maximum Torque | N·m | 17290 | 19870 | 22656 | 17997 | 22915 | 26190 | 28606 | ||
Power Output | KW | 214 | 211 | 298 | 236 | 264 | 313 | 305 | ||
Working WOB | KN | 120 | 125 | 150 | 140 | 160 | 150 | 180 | ||
MaximumWOB | KN | 240 | 240 | 300 | 260 | 300 | 300 | 320 | ||
Connection | UP | 5 1/2 REG | 5 1/2REG | 6 5/8 REG | 6 5/8 REG | 6 5/8 REG | 6 5/8 REG | 6 5/8 REG | ||
Down | 6 5/8 REG | 6 5/8 REG | 6 5/8 REG | 6 5/8 REG | 6 5/8 REG | 6 5/8 REG | 6 5/8 REG | |||
Stage | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.2 | 5.3 | |||
Model ID | Unit | 3LZ286×7.0 | 5LZ286×7.0 | |||||||
Applicable hole size | mm | 375～660 | 375～660 | |||||||
in | 14 3/4～26 | 14 3/4～26 | ||||||||
Flow rate | L/S | 40-80 | 45-90 | |||||||
Pressure | Mpa | 3.2 | 3.2 | |||||||
Speed | r/min | 165 | 68-136 | |||||||
Operation Torque | N·m | 11840 | 27196 | |||||||
Maximum Torque | N·m | 17760 | 38070 | |||||||
Power Output | KW | 215 | 387 | |||||||
Working WOB | KN | 170 | 180 | |||||||
MaximumWOB | KN | 320 | 340 | |||||||
Connection | UP | 7 5/8 REG | 7 5/8 REG | |||||||
Down | 7 5/8 REG | 7 5/8 REG | ||||||||
Stage | 4.0 | 4.5 | ||||||||
