Description about downhole mud motor Downhole motor is a kind of downhole dynamic drilling tool upon the power of drilling mud. Mud stream from the outlet of mud pump flows through a by-pass valve into the motor. This stream produces pressure loss at both inlet and outlet of the pump, to push the rotor into rotating, and to transmit the torque and speed onto the bit. The downhole motor property mainly depends upon its property parameters. double-bent ,and adjustable housing construction. Item No Input Flow Rate Pressure Loss Bit Speed Working Torque Delay Dynamic Torque Output Power Max Drilling Weight Joint Thread Length Unit mm In L/S Mpa r/min N.m N.m KW KN In In mm 5LZ73×7.0 83-121 3 1/4-4 3/4 2-4 3.2 80-160 615 1077 5.8-11.5 25 2 3/8REG 2 3/8REG 3423 9LZ89×7.0 105-143 4 1/8-5 5/8 3-8 3.2 147-392 504 882 8.64-23 30 2 7/8REG 2 7/8REG 2911 5LZ95×7.0 114-150 4 1/8-5 7/8 5-12 3.2 140-320 710 1240 10.5-25 40 2 7/8REG 2 7/8REG 3920 5LZ120×7.0 152-200 6-7 7/8 8-16 3.2 80-180 1850 3200 23-47 106 3 1/2REG 3 1/2REG 5039 5LZ165×7.0V 245-244 8 1/8-9 5/8 18-30 3.2 111-167 4440 7770 57.6-86.4 160 4 1/2REG 4 1/2REG 7408 5LZ165.5×7.0V 215-244 8 1/8-9 5/8 18-30 4.0 120-180 5135 8987 72-108 180 4 1/2REG 4 1/2REG 7748 5LZ172×7.0V 215-244 8 1/8-9 5/8 18-30 4.0 120-180 5135 8987 72-108 180 4 1/2REG 4 1/2REG 7391 5LZ172.5×7.0V 215-244 8 1/8-9 5/8 20-35 4.0 115-180 6452 11299 86.4-151.2 200 4 1/2REG 4 1/2REG 8031 7LZ172.5×7.0V 215-244 8 1/8-9 5/8 20-35 4.0 75-180 6527 11420 59.5-108.6 160 4 1/2REG 4 1/2REG 8631 5LZ185×7.0 215-244 8 1/8-9 5/8 20-35 4.0 184 5436 8154 80-140 240 4 1/2REG 6 1/2REG 8120 5LZ185.5×7.0 215-244 8 1/8-9 5/8 20-35 4.0 173 5939 8908 80-140 240 4 1/2REG 6 1/2REG 8120 5LZ197×7.0 244-311 9 1/8-12 5/8 20-40 3.2 61-122 14118 14118 57.6-115.2 240 5 1/2REG 6 5/8REG 7998 5LZ197.5×7.0 244-311 9 5/8-12 1/4 20-40 4.0 85-160 12640 12640 72-144 260 5 1/2REG 6 5/8REG 8598 7LZ203×7.0 244-311 9 5/8-12 1/4 20-40 3.2 70-155 12289 12289 57.6-126.7 240 5 1/2REG 6 5/8REG 7798 5LZ203.5×7.0 244-311 9 5/8-12 1/4 20-40 4.0 70-155 8778 15362 72-158.4 260 5 1/2REG 6 5/8REG 8598 5LZ244×7.0 311-445 12 1/2-17 1/2 50-75 3.2 91-136 15124 26468 144-216 360 6 5/8REG 7 5/8REG 8635 7LZ244.5×7.0 311-445 12 1/2-17 1/2 50-75 4.0 91-136 18905 33085 180-270 450 6 5/8REG 7 5/8REG 9235 Contact UsÂ
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ADVANTAGES OFÂ DOWNHOLE MOTOR
Increased rate of penetration.
Better hole deviation control.
Reduction in drill string failure rate.
Reduction in wear and tear of the swivel, Kelly, and rotary drives.
Reduction in fuel cost, since compared to rotary drilling, less energy is required to power a downhole motor.
1. Material: High manganese steel
2. Standard: API
3. Features: Big torque, high effective, wide flow rate range, running stable and long using time.
4. Specifications: Fit for 3 1/2"--17 1/2" well hole, including straight body, single- bent 
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Application of downhole motor
A Variety of Types & the Capabilities In accordance with the actual drilling needs,we push out high,
midiem and low speed  downhole motors,of a variety of types with different functional configuration and application for all working conditions.
1.Standard type Standard motor,mud lubricating transmission shaft, straight, single and double bent.
2.Long type The torque is increased by 30%to 60%than standard ones, mud lubricating transmission shaft, straight, single and double bent.
3.High flow rate type The adoption of hollow rotor and different sizes of hard alloy jet nozzle to increase the incoming flow and bit power.
4.Heat-resistant performance.Normal types are  applicable when temperature below 120 ºC ,Heat -Resistant type are applicable When temperature below 150 ºC
Our service
Delivery Time: Based on order quantity, normally it takes 30 days for production.Only 2 or 3 days if we
have stock on your request size.
Quality Control: We have our professional QC and all the products will be strict inspection and testing for
every order before shipping out.Â
After Services: Technical Support will be available in any time. We could provide the professional suggestion
for you.
EX: 1.Select the right most suitable products.
    2. According to the rock types, choosing the face type, button tooth type.
    3. According to the different purpose,. choosing the different body typeÂ
Specification of downhole motorsÂ
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Hole Size
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ALL SIZE DOWNHOLE MOTOR AVAILABLE ,PLS CONTACT ME AS BELOWÂ 
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89mm High Speed Downhole Motor for Water Well Drrilling
Connected Thread: 2 3/8reg
Lobe: 5:6
Stage: 4
Flow Rate: 255-766 Lpm
Rotory Speed: 108-325 Rpm
Max Pressure Loss: 4.52 MPa
Max Torgue: 1526 N.M
Max Bearing Presure: 35 Kn
Trademark: JW
Transport Package: Sdandard Packing for Downhole Motor
Specification: 89mm
Origin: China
HS Code: 8431431000