Description
API 7-1 Downhole Drilling Mud Motor
ELITE supplies high-torque API standard downhole mud motors (positive displacement motors / PDM) engineered for oil and gas drilling. We supply complete positive displacement mud motors, adjustable bent-housing motors, power sections, rotors, stators, bearing assemblies and replacement parts for directional drilling, vertical drilling and oilfield maintenance requirements.Designed to maximize Rate of Penetration (ROP) while preventing downhole stator failures, our mud motors range from 1 11/16″ (43mm) to 11 1/4″ (286mm) outer diameter.
Select a mud motor according to hole size, motor OD, available flow rate, formation, drilling fluid, bottom-hole temperature and required output.
Available sizes and configurations can be selected for:
Directional oil and gas drilling
Vertical drilling and ROP improvement
Motor replacement
Power section replacement
High-temperature drilling
Water-based and oil-based mud systems
For motor selection and quotation, send:
Hole size or required motor OD
Available flow rate
Formation
Mud type
Bottom-hole temperature
Top and bit connections
Required bend angle
A mud motor should be selected from the actual drilling conditions rather than OD alone. Send the required motor size or hole size together with available flow rate, drilling fluid and bottom-hole temperature. If an existing motor is being replaced, send its model, datasheet or nameplate.
Request Mud Motor Configuration and Price
Upload Existing Motor Data Sheet：info@apidrillpipe.com
ELITE Down hole mud motor adopts near bit structure, adjustable universal coupling housing, stabilizers with different sizes, types and structures, and also universal coupling specially designed for large drill bit & large torque with larger torque bearing capacity. Better impact resistance performance and running stability, and integral or interchangeable stabilizers with different sizes are available.
Procurement Quick Quote Check-list:
To help our engineering team provide an accurate, fast factory quote, please include the following details in your inquiry message:
Application: Oil & Gas Drilling OR Horizontal Directional Drilling (HDD)?
Motor OD (Size): e.g., 4-3/4″ (120mm), 6-3/4″ (172mm), 8″ (203mm), etc.
Formation Type: Soft soil, clay, medium-hard limestone, or abrasive sandstone?
Mud Type: Water-based mud (WBM) or Oil-based mud (OBM)?
Housing: Fixed bent OR Adjustable bent housing required?
Chinese downhole motor for sale •Size Range:
Available from 1-11/16”OD to 11-1/4”OD
•Types:
Adjustable bend housing type, Water based mud type (conventional type), Oil-based mud type, Salty based mud type
•Structure:
Consists of Bearing section assembly, Universal coupling assembly. Power section assembly, Anti-drop device assembly
and By-pass valve assembly or Crossover sub.
Mud Motor Configuration Table
Mud Motor Configuration Table
| 产品尺寸 Model Size |
产品型号 Model Number |
头数 Lobes |
级数 Stages |
定子外径 Tube OD |
定子内径 Tube ID |
定子 Stator |
流量范围 Flow Rate Range |
转速范围 Speed Range |
每转排量 Rotation |
|||||
| 总长 Overall Length |
螺旋长度 Contour Length |
两端长度 Rubber Cut Back |
||||||||||||
| in | mm | in(mm) | in(mm) | in(mm) | in(mm) | in(mm) | gpm(lpm) | rpm | rev/gal(rev/liter) | |||||
| 1.68 | 1-11/16 | 43 | 3LZ-43-3.4 | GPE168343.4 | 3:4 | 3.4 | 1.693(43) | 1.417(36) | 39(1000) | 32(808) | 4(96) | 3-8(12-30) | 94-234 | 29.59(7.816) |
| 4LZ-43-3.4 | GPE168453.4 | 4:5 | 3.4 | 1.693(43) | 1.417(36) | 39(1000) | 32(808) | 4(96) | 3-8(12-30) | 77-193 | 24.39(6.442) | |||
| 4LZ-43-4.0 | GPE168454.0 | 4:5 | 4.0 | 1.693(43) | 1.417(36) | 39(1000) | 32(808) | 4(96) | 3-8(12-30) | 93-232 | 29.26(7.73) | |||
| 4LZ-43-4.1 | GPE168454.1 | 4:5 | 4.1 | 1.693(43) | 1.417(36) | 59(1500) | 51(1308) | 4(96) | 14-26(52-100) | 251-483 | 18.29(4.831) | |||
| 4LZ-43-5.5DF | GPE168455.5 | 4:5 | 5.5 | 1.693(43) | 1.417(36) | 59(1500) | 51(1308) | 4(96) | 14-26(52-100) | 335-644 | 24.39(6.442) | |||
| 5LZ-43-4.0 | GPE168564.0 | 5:6 | 4.0 | 1.693(43) | 1.417(36) | 68(1720) | 57(1440) | 6(140) | 21-40(80-150) | 307-576 | 14.52(3.837) | |||
| 5LZ-43-5.6DF | GPE168565.6 | 5:6 | 5.6 | 1.693(43) | 1.417(36) | 98(2500) | 87(2200) | 6(150) | 21-40(80-150) | 291-545 | 13.75(3.632) | |||
| 2.13 | 2-1/8 | 54 | 4LZ-54-4.8 | GPE213454.8 | 4:5 | 4.8 | 2.126(54) | 1.772(45) | 77(1950) | 68(1720) | 5(115) | 29-66(110-250) | 294-668 | 10.11(2.672) |
| 4LZ-54-4.8DF | GPE213454.8SX | 4:5 | 4.8 | 2.126(54) | 1.772(45) | 77(1950) | 68(1720) | 5(115) | 29-66(110-250) | 305-693 | 10.49(2.77) | |||
| 5LZ-54-3.5 | GPE213563.5 | 5:6 | 3.5 | 2.126(54) | 1.772(45) | 68(1730) | 57(1450) | 6(140) | 29-66(110-250) | 226-513 | 7.77(2.053) | |||
| 5LZ-54-3.5DF | GPE213563.5SX | 5:6 | 3.5 | 2.126(54) | 1.772(45) | 68(1730) | 57(1450) | 6(140) | 29-66(110-250) | 234-532 | 8.06(2.129) | |||
| 2.38 | 2-3/8 | 60 | 5LZ-60-5.0 | GPE238565.0 | 5:6 | 5.0 | 2.362(60) | 1.969(50) | 83(2100) | 71(1800) | 6(150) | 29-66(110-250) | 239-543 | 8.22(2.171) |
| 2.5 | 2-1/2 | 65 | 4LZ-65-3.6 | GPE250453.6 | 4:5 | 3.6 | 2.559(65) | 2.165(55) | 69(1750) | 56(1432) | 6(159) | 29-66(110-250) | 205-466 | 7.06(1.865) |
| 2.87 | 2-7/8 | 73 | 4LZ-73-3.2DF | GPE287453.2 | 4:5 | 3.2 | 2.874(73) | 2.52(64) | 69(1750) | 56(1432) | 6(159) | 29-90(110-340) | 136-419 | 4.66(1.232) |
| 4LZ-73-3.5 | GPE287453.5 | 4:5 | 3.5 | 2.874(73) | 2.362(60) | 76(1920) | 69(1750) | 3(85) | 29-90(110-340) | 129-398 | 4.43(1.171) | |||
| 4LZ-73-3.9DF | GPE287453.9 | 4:5 | 3.9 | 2.874(73) | 2.362(60) | 91(2300) | 77(1945) | 7(177.5) | 29-90(110-340) | 144-444 | 4.94(1.306) | |||
| 4LZ-73-4.1DF | GPE287454.1 | 4:5 | 4.1 | 2.874(73) | 2.362(60) | 91(2300) | 77(1945) | 7(177.5) | 29-90(110-340) | 147-453 | 5.05(1.333) | |||
| 4LZ-73-4.3DF | GPE287454.3 | 4:5 | 4.3 | 2.874(73) | 2.52(64) | 91(2300) | 77(1945) | 7(177.5) | 29-90(110-340) | 136-419 | 4.66(1.232) | |||
| 5LZ-73-2.9 | GPE287562.9 | 5:6 | 2.9 | 2.874(73) | 2.441(62) | 76(1920) | 69(1750) | 3(85) | 29-90(110-340) | 78-242 | 2.7(0.712) | |||
| 5LZ-73-4.1DF | GPE287564.1 | 5:6 | 4.1 | 2.874(73) | 2.362(60) | 91(2300) | 77(1945) | 7(177.5) | 29-90(110-340) | 126-388 | 4.32(1.141) | |||
| 5LZ-73-2.6DF | GPE287562.6 | 5:6 | 2.6 | 2.874(73) | 2.52(64) | 118(3000) | 105(2668) | 7(166) | 61-119(230-450) | 90-176 | 1.48(0.391) | |||
| 5LZ-73-2.6DF | GPE287562.6 | 5:6 | 2.6 | 2.874(73) | 2.677(68) | 118(3000) | 105(2668) | 7(166) | 61-119(230-450) | 78-153 | 1.29(0.341) | |||
| 5LZ-73-5.0DF | GPE287565.0 | 5:6 | 5.0 | 2.874(73) | 2.52(64) | 118(3000) | 105(2668) | 7(166) | 90-169(340-640) | 254-478 | 2.83(0.747) | |||
| 6LZ-73-3.1DF | GPE287673.1SX | 6:7 | 3.1 | 2.874(73) | 2.52(64) | 76(1920) | 69(1750) | 3(85) | 61-119(230-450) | 151-295 | 2.48(0.656) | |||
| 7LZ-73-2.9 | GPE287782.9 | 7:8 | 2.9 | 2.874(73) | 2.362(60) | 76(1920) | 69(1750) | 3(85) | 61-119(230-450) | 141-275 | 2.31(0.611) | |||
| 7LZ-73-3.1 | GPE287783.1 | 7:8 | 3.1 | 2.874(73) | 2.441(62) | 76(1920) | 69(1750) | 3(85) | 61-119(230-450) | 176-344 | 2.9(0.765) | |||
| 7LZ-73-3.1DF | GPE287783.1SX | 7:8 | 3.1 | 2.874(73) | 2.52(64) | 76(1920) | 69(1750) | 3(85) | 61-119(230-450) | 142-278 | 2.34(0.618) | |||
| 7LZ-73-4.4 | GPE287784.4 | 7:8 | 4.4 | 2.874(73) | 2.362(60) | 76(1920) | 69(1750) | 3(85) | 61-119(230-450) | 244-477 | 4.02(1.061) | |||
| 7LZ-73-4.4DF | GPE287784.4SX | 7:8 | 4.4 | 2.874(73) | 2.441(62) | 76(1920) | 69(1750) | 3(85) | 61-119(230-450) | 252-494 | 4.15(1.097) | |||
Performance depends on motor OD, power section, lobe configuration, number of stages, drilling fluid, flow rate and operating temperature.
Final performance limits should be confirmed in the approved technical data sheet.
Contact the ELITE engineers to obtain the complete parameter list and technical support.
ELITE Downhole Drilling Mud Motor Key Technical Advantages
High Torque & Superior ROP: Optimized rotor-stator lobe ratios (e.g., 5:6, 7:8) delivering maximum mechanical power directly to the drill bit.
High-Temperature Elastomer: Formulated with high-grade NBR and premium HNBR elastomers, rated for temperatures up to 160°C (320°F) and harsh oil-based muds (OBM).
Adjustable Bend Housing: 0° to 3° field-adjustable housing for precise directional steering in both HDD and directional oil wells.
Integrated Rotor Catch Device: Built-in safety catch mechanism prevents fluid loss and rotor drops in the event of downhole connection failure.
100% Dyno Tested: Every mud motor is performance-tested on our automated dynamometer test bench before shipment.
Technical Specifications & Stator Options
1. Power Section Elastomer Options
Standard NBR: Suitable for water-based muds (WBM) and operating temperatures up to 120°C (250°F).
High-Temp HNBR: Designed for oil-based muds (OBM), synthetic fluids, and high-temperature wells up to 160°C (320°F).
Even-Wall Power Section (Uniform Wall Stator): Features a uniform rubber layer thickness for 50% higher differential pressure, doubled torque capacity, and superior heat dissipation.
2. Transmission & Drive Shaft Assembly
High-Strength Alloy Steel Drive Components: Drive shafts and transmission components are manufactured from high-strength alloy steel designed for drilling torque and cyclic fatigue loading.
Tungsten Carbide Bearing Thrust Bearing Assembly: Engineered to endure high dynamic WOB (Weight on Bit) and hydraulic thrust loads.
Mud Motor Supply from China
For buyers sourcing replacement mud motors from China, the main issue is usually not finding a motor with the same nominal OD. The replacement also has to match the hydraulic window, connections, bend configuration, bit size and expected drilling fluid.
For this reason, replacement enquiries are reviewed against the existing motor datasheet whenever possible.
If the original motor is no longer available, send the old model, OD, top and bit connections, lobe/stage configuration, operating flow and bottom-hole temperature. A replacement configuration can then be compared before quotation.
Complete motors and service parts can be quoted together when the motor will be maintained locally.
Overcoming Top Downhole Challenges: Why Engineers Choose Our Mud Motors
Downhole mud motors operate in the harshest environments. A single motor failure leads to catastrophic Non-Productive Time (NPT). We minimize your project risks by re-engineering critical components:
Proprietary Stator Rubber Compound: We utilize premium Nitrile (NBR) and Hydrogenated Nitrile (HNBR) formulation technology. This offers exceptional resistance to thermal degradation (up to 160°C (320°F). And oil-based muds (OBM).
Ultra-Long Life Bearing Packs: Equipped with heavy-duty mud-lubricated thrust bearings and precision-machined Tungsten Carbide (TC) radial bearings. This design handles extreme bit loads and high-torque vibrations, extending total downhole run-time by 35%.
Forged Drive Shafts: Forged from high-grade alloy steel (AISI 4145H modified) and undergoes multi-stage heat treatment to prevent twist-offs under localized high-torque spikes.
Tailored Configurations for HDD and Oilfield Applications
Based on your specific drilling methodology, our engineering team customizes the power section and housing configuration:
For HDD (Horizontal Directional Drilling) Contractors: Optimized for maximum torque at low to medium fluid flow rates. Features a highly reliable Adjustable Bent Housing (0° to 3°) for rapid steering transitions in river crossings. Hard rock reaming, and utility installations.
For Oil & Gas Drilling Operators: Engineered for deep-well and directional profiles. Compatible with saturated brine, polymer, and oil-based drilling fluids. Offers optional rotor catching devices and high-temperature elastomeric configurations for HPHT wells.
Cina Downhole Drilling Mud Motor Advantages
A Positive Displacement drilling Motor could be using in Extremely hard rock together with diamond or PDC bits. When the rotation speeds are high.Then High penetration rates can be achieving,in spite of the horsepower or torque producing by the motor. The drilling motor could allow circulation of the borehole.
With the diversity and flexibility to work in all drilling environments.
- Utilization of high quality materials, including forged steel drive shafts (laser welding alloy on drive shaft surface). Which
reduces wear and tear and down-time for servicing. - With safety anti-drop device which reduces the probability of residual motor parts left in the drill string in the event of
connection failure. - High quality power section designs which efficiently maximize the amount of speing and torque being transmitting to the drill bit.
- Tungsten carbide radial bearings which significantly reducing wear and improves durability and consistency in performance.
Integrated Services:
We can provide correct selection of downhole motors according to customer’s environmental and drilling conditions.
The downhole motors including spare parts are available to be customizing according to customer’s operation requirements.
We can assist customer in setting up maintenance and service station for down hole motors.
Mud motor for air drilling is also available upon your request
ELITE chinese downhole motor for sale
Engineered for High-Performance Downhole Drilling & HDD
Our downhole mud motors are manufactured in strict compliance with API Spec 7-1 standards. Designed to deliver maximum torque and bit speed in toughest for mations—whether in deep oilfield exploration or complex Horizontal Directional Drilling (HDD) crossings.
1. Advanced Stator Rubber Technology (The Heart of Mud Motor)
The most common supply chain risk for mud motors is premature stator rubber chunking or swelling. We offer tailored rubber formulations based on your drilling mud chemistry and bottom-hole temperature (BHT):
Standard NBR Rubber: Optimized for water-based muds (WBM) and mild temperatures up to 120°C (250°F).
Hard Rubber (High Torque): Increases power output by 30%-50% with higher thin-wall structural integrity.
HNBR/Ultra-High Temperature Rubber: Engineered for oil-based muds (OBM) and extreme downhole environments up to 160°C (320°F).
2. Premium Rotor Coatings for Extended Run-Time
To prevent abrasive wear from drilling solids and corrosive muds, our rotors feature:
Supersonic Flame Sprayed (HVOF) Carbide Coating: Offers 3-5x longer service life compared to standard chrome plating in high-solid/abrasive muds.
Standard Hard Chrome Plating: Precision ground for consistent fit-interference in regular drilling conditions.
Procurement Inquiry:
Unsure which configuration fits your casing program or HDD crossover?
[Click here to request our complete Mud Motor Engineering Catalog & Configuration Matrix]
For ultra-long distance HDD crossings, explore our high-torque Non-Magnetic Drill Pipes to ensure 100% accurate steering tool data above the mud motor.
Need to optimize your complete drill string weight? Check out our premium standard and heavy-weight [API Drill Pipes] to provide the ideal weight-on-bit (WOB) combinations for your downhole motor operations.
FAQ： ELITE Downhole Drilling Mud Motor
Q: How to select the right mud motor for HDD (Horizontal Directional Drilling)?
A: For HDD, we recommend motors with an adjustable bend housing and a higher torque-to-speed ratio (e.g., 7:8 lobe). This ensures consistent power for steering through rocky or compacted soil while maintaining bore integrity.
Q: Do you offer mud motors for high-temperature (HPHT) environments?
A: Yes. We provide specialized high-temperature elastomers capable of operating in bottom-hole temperatures up to 160°C (320°F) without de-bonding.
