Application Scenarios:
This motor is primarily applied in drilling projects with harsh downhole environments that demand superior sealing and lubrication performance. It is widely utilized in directional drilling, horizontal drilling, and deep/ultra-deep well drilling operations in high-temperature and high-pressure (HTHP) reservoirs, as well as in formations containing corrosive media (e.g., H₂S, CO₂) or high-salinity formation brines. Additionally, it is suitable for drilling operations using contaminated drilling fluids (with high solid content) and offshore oil and gas drilling projects where seawater intrusion risks exist. The motor also plays a critical role in unconventional resource development projects (e.g., deep shale gas, tight oil) and long-horizontal-section drilling operations, where long-term reliable operation of downhole motors is essential for ensuring drilling efficiency.
Product Advantages:
Firstly, it boasts exceptional sealing performance—the advanced oil-sealed system and high-quality sealing elements effectively block the intrusion of drilling fluid, corrosive media, and solid particles into internal components, avoiding lubrication failure and corrosion damage. Secondly, the closed oil circulation system provides continuous and stable lubrication for rotating parts, reducing friction and wear, and significantly extending the service life of bearings, transmission shafts, and other core components compared to conventional grease-lubricated motors. Thirdly, the motor maintains stable power output and high hydraulic efficiency in harsh downhole conditions, as the reliable sealing and lubrication prevent performance degradation caused by component wear or contamination. Moreover, it exhibits strong adaptability to complex downhole environments, with the oil-sealed system enhancing resistance to high temperature (up to 180°C for advanced models) and high pressure, ensuring consistent operation in extreme conditions. Finally, the oil-sealed design reduces the frequency of tool tripping and maintenance caused by lubrication or sealing failures, shortening non-drilling time, improving overall drilling efficiency, and lowering operational costs.
FAQ：
Q: Are you a manufacturer?
A: Yes, we are factory.
Q: How about the delivery time?
A:10-25 working days after payment.
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.
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 | ||||||||
