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7LZ244x7.0
The Advanced 9 5/8" Downhole Mud Motor is engineered to deliver exceptional reliability and precise directional control in complex horizontal drilling environments. By integrating a precisely calibrated 1.25° fixed bend housing and a heavy-duty 308 stabilizer, this positive displacement motor (PDM) ensures superior steerability and optimal build rates. Operators can maintain strict tool face stability and accurate trajectory control even in highly abrasive hard rock formations or challenging high-temperature, high-pressure (HPHT) conditions. The assembly utilizes standard 6 5/8 REG (630) threads at the drill pipe connection and 7 5/8 REG (730) threads at the bit end, guaranteeing maximum torque transfer without compromising joint integrity. Designed to minimize non-productive time (NPT), the motor's internal architecture effectively handles extreme axial loads, providing continuous, stable power output that directly translates to increased daily footage and enhanced wellbore safety.
1.Xinyongjia conventional downhole motor realizes higher drilling efficiency and greatly reduces breakdown risks, effectively lowering the downhole failure rate of this mud motor in oilfield directional drilling.
2.This standard mud motor features powerful performance with wide adaptability, fitting all common well types and complex rock formations for oil & gas downhole drilling operations.
3.Equipped with an anti-drop safety framework, our downhole mud motor gains stable structure and high downhole reliability for long-term oilfield workover drilling tasks.
4. The modular structure of Xinyongjia screw drilling tool simplifies disassembly and maintenance, cutting operation costs for all users deploying this oilfield mud motor.
5. Xinyongjia conventional drilling mud motor delivers extended standard service life, paired with a complete 800-hour spare parts kit for daily downhole drilling servicing.
6. All Xinyongjia PDM drilling tools are precision-manufactured per API standards with full export certifications, qualified global petroleum drilling power equipment.
Model | 5LZ244x7.0 | |
Measurement system | Metric system | Imperial System |
OD | 244 mm | 9-5/8" |
Drill bit size | 311-445mm | 12-1/4-17-1/2 in |
Connecting threads at both ends | 6 5/8REG(top) | 6 5/8REG(top) |
6 5/8REG(bottom) | 6 5/8REG(bottom) | |
Lobe | 9:10 | 9:10 |
Stage | 2 | 2 |
Flow Rate | 1800-3600 LPM | 476-951GPM |
Rotating Speed | 15-35rpm | 15-35rpm |
Working pressure drop | 2.5Mpa | 363psi |
Output Torque | 31180 N.m | 230000lb.ft |
Max. pressure drop | 3.75Mpa | 544psi |
Max. Torque | 46773N.m | 34498lb.ft |
Working WOB | 220KN | 48400lb |
Max.WOB | 330KN | 79200lb |
1. Conventional vertical oil & gas well drilling
For onshore vertical borehole execution, this straight-body positive displacement motor delivers consistent, high-torque rotation directly to the bit. By reducing the reliance on top-drive rotational speed, it significantly minimizes drill string fatigue and casing wear. The steady power output accelerates rate of penetration (ROP) through stable, conventional formations, ensuring the wellbore remains perfectly vertical while optimizing the mechanical specific energy applied to the rock face.
2. Oil well workover & casing remediation
During critical wellbore restoration, the motor's compact and rigid profile allows for smooth passage through restricted casing diameters. It provides the exact rotational force required for milling composite bridge plugs, clearing heavy paraffin wax accumulations, and performing intensive sand washing operations. The precise fluid-to-torque conversion ensures that delicate remediation tasks are completed efficiently without damaging the existing production casing infrastructure.
3. Shallow natural gas directional construction
When developing surface-level gas fields, operators require subtle trajectory adjustments to navigate soft to medium-hard sedimentary layers. This drilling tool provides the necessary steerability to maintain the correct azimuth and inclination. Its efficient fluid displacement mechanism operates effectively even at lower mud flow rates, preventing formation washouts while ensuring accurate placement of the wellbore in shallow, pressure-sensitive natural gas reservoirs.
4. Geothermal well exploration drilling
Geothermal projects demand equipment capable of withstanding elevated temperatures and highly abrasive volcanic rock. The motor's specialized stator elastomers and hardened rotor surfaces cope effortlessly with these harsh thermal gradients. By maintaining a reliable pressure drop and continuous torque generation, it enables efficient drilling through hard crystalline formations. The anti-corrosion materials resist the aggressive chemical makeup of geothermal fluids, accelerating the exploration and development of sustainable energy resources.
Who are you?
We are Yancheng Xinyongjia Petroleum Machinery Manufacturing Co., Ltd., a distinguished manufacturer specializing in high-quality downhole motors, innovative screw drilling tools, precision drill pipes for measurement while drilling, and a comprehensive range of accessories.
Are you a manufacturer or trading company?
Our company is a unique blend of industry and commerce. Not only do we manufacture premium downhole motors and related products and accessories, but we also excel in selling them domestically and internationally, ensuring a seamless experience for our clientele.
How do you control product quality?
Our downhole motors are crafted with precision in strict accordance with API standards. We enforce rigorous quality control at every stage-from raw materials to the production process to the final product. Each downhole motor undergoes thorough inspection before it reaches you, upholding our commitment to excellence.
How can I place an order?
To place an order, please provide the product name, quantity, detailed specifications, packaging requirements, and any other conditions (pictures or videos of similar products are also helpful). Based on your requirements, we will present a tailored offer and detailed specifications for your confirmation. After your confirmation, we will prepare a proforma invoice (P/I) for both parties to sign and seal. The order is officially placed once payment is received.
What about payment terms?
We offer a flexible payment plan: T/T with a 30% deposit and the remaining 70% before delivery. Before final payment, we will provide you with product and packaging photos for your approval. For larger quantities, we accept L/C at sight, ensuring a secure and smooth transaction.
High Efficiency 8" Downhole Drill Motor for Robust Operations
The 8" variant offers a robust, tactile solution for demanding underground environments. You can physically feel the dense, industrial-grade alloy construction designed to resist extreme torsional stress. This motor is engineered to optimize ROP while maintaining absolute tool face stability, making it an essential asset for operators dealing with unpredictable subterranean pressures and highly abrasive formations.
Model NO. | 7LZ203*7.0 | Manufacturing Process | CNC Milling |
OD | 8" or 203mm | Material | Alloy |
Drill Bit Size | 9 7/8 -12 1/4" or 251-311mm | Flow Rate | 300-700gpm or 1136-2650ipm |
Rotating Speed | 75-150rpm | Working pressure drop | 5.0Mpa or 725psi |
Output Torque | 14059 N.m or 10369lb.ft | Bend Housing Angle | 1.25° |
Transport Package | Wooden Boxes | Trademark | Xinyongjia or custmozation |
HS Code | 8431431000 | Production Capacity | 5000piece/Year |
Origin | Yancheng, Jiangsu, China |
Key Features:
1. Enhanced Mechanical Efficiency: Features reinforced thrust bearings and specialized wear-resistant coatings, drastically lowering the downhole failure rate and minimizing costly non-productive time.
2. Broad Fluid Compatibility: Equipped with high-performance stator elastomers tailored to resist the chemical degradation of both water-based and oil-based muds across diverse geological formations.
3. Extreme Environment Reliability: Incorporates an advanced anti-drop safety framework that ensures structural integrity during aggressive high-temperature, high-pressure (HPHT) and hard rock drilling tasks.
4. Customizable Configurations: The modular architecture allows for specific outer diameter sizing, variable bend angles (such as 1.25°), and tailored connection threads to match unique well profiles and Rotary Steerable Systems (RSS).
5. Data-Backed Performance: Delivers predictable build rates and exceptional tool face stability, supported by comprehensive torque-to-pressure drop performance curves that guarantee smooth energy transfer.
6. Extended Operational Lifespan: Engineered for continuous heavy-duty operation, complete with an 800-hour spare parts kit that simplifies rig-site maintenance and reduces the physical labor required for servicing.
7. API-Certified Manufacturing: Produced under strict API Q1 and 7K standards, ensuring global compatibility, precise thread engagement, and secure integration into any standard bottom hole assembly.
Technical Parameters:
Model | 7LZ203X7.0 | 7LZ203X7.0 |
Measurement system | Metric system | Imperial system |
OD | 203 mm | 8 in |
Drill bit size | 251-311mm | 9 7/8-12 1/4 in |
Connecting threads | 6 5/8REG (top) | 6 5/8REG (top) |
Lobe | 7:8 | 7:8 |
Stage | 5 | 5 |
Flow Rate | 1140-2280 LPM | 300-600GPM |
Rotating Speed | 75-150rpm | 75-150rpm |
Working pressure drop | 5.0Mpa | 725psi |
Output Torque | 14059 N.m | 10369lb.ft |
Max. pressure drop | 7.5Mpa | 1088psi |
Max. Torque | 21088N.m | 15554lb.ft |
Working WOB | 150KN | 33000lb |
Max.WOB | 200KN | 44000lb |
Max.Power Output | 331KW | 453hp |
Product Highlights
1. Advanced R&D Capabilities: Developed in collaboration with leading technical universities, holding over 15 invention patents and 30 utility models for proprietary downhole power technologies that prevent hard stalls.
2. Versatile Application Portfolio: Supplying tailored drive solutions for directional oilfield drilling, ATEX-compliant coal mining operations, and compact horizontal directional drilling (HDD) projects requiring precise azimuth control.
3. Uncompromising Quality Standards: Fully accredited with API Q1, API 7K, CE, and ISO 9001/14001/45001 certifications. Production utilizes precision CNC milling and supersonic spraying techniques for a flawless, durable finish.
4. Proven Global Footprint: Trusted by major energy operators across 18 countries, achieving an annual export growth of 35% driven by consistent field performance, reliable torque output, and reduced stick-slip vibrations.
5. Optimized Procurement Value: By maintaining a massive 60,000-square-meter manufacturing facility, we achieve economies of scale that provide buyers with significant cost advantages over competing international brands without sacrificing material density.
6. Accelerated Global Logistics: Streamlined inventory management guarantees that standard motor configurations are dispatched within one week, securely packed in heavy wooden crates, ensuring your rig operations are never delayed by equipment shortages.