Millennium Mud Lubricated Motor Assembly

The Wenzel Downhole Tools Millennium Mud Lubricated Motor is designed with patented technology for reliability in aggressive, higher temperature wells.  Using the latest developments in high torque – high speed power sections, it provides users with an effective tool for delivering superior performance.

  • Industry proven thrust and radial bearing technology, custom designed for mud lubricated drilling motor applications.
  • Bearing Assembly design is straight forward and compact, making for easier service.
  • Equipped with 0 – 3° Adjustable Bend Assembly.
  • Option for shorter bit-to-bend Fixed Bend Assembly.
  • Features the Maxi-Torque Driveline for use with even wall technology, hard rubber, and other high torque power sections.
  • Inhouse manufactured components adhere to Wenzel’s high standard of premium materials and quality production.
  • Patented design.

Download the Motor Handbook PDF

The Wenzel Motor Handbook is also available as a free download on your mobile device.

Imperial

Nominal OD
(inch)
Bit Box to Bend
(inch)
Bit Box to Fixed Bend
(inch)
Hole Size
(inch)
Standard Bit Box Thread Max WOB*
(lbs)
Max Bit Overpull* (lbs) Max WOB to Re-run**
(lbs)
Max Bit Overpull to Re-run**
(lbs)
Absolute Body Overpull**
(lbs)
4 3/4 57 46 5 7/8 – 7 7/8 3 1/2 REG 48 000 48 000 213 000 72 000 436 000
5 57 46 5 7/8 – 7 7/8 3 1/2 REG 48 000 48 000 213 000 72 000 481 000
6 1/2 64 52 7 7/8 – 9 7/8 4 1/2 REG 72 000 72 000 358 000 101 000 550 000
6 3/4 64 52 8 1/2 – 9 7/8 4 1/2 REG 87 000 87 000 360 000 137 000 597 000
7 3/4 78 65 9 5/8 – 12 1/4 6 5/8 REG 112 000 112 000 546 000 216 000 638 000
8 78 65 9 5/8 – 12 1/4 6 5/8 REG 112 000 112 000 546 000 216 000 845 000
9 5/8 96 91 12 1/4 – 17 1/2 6 5/8 REG 132 000 132 000 772 000 223 000 1 097 000

*Operating Capacity
**Static Capacity
Specifications are based on as new condition and are subject to change without notice.

Metric

Nominal OD
(mm)
Bit Box to Bend
(m)
Bit Box to Fixed Bend
(m)
Hole Size
(mm)
Standard Bit Box Thread Max WOB*
(daN)
Max Bit Overpull*
(daN)
Max WOB to Re-run**
(daN)
Max Bit Overpull to Re-run**
(daN)
Absolute Body Overpull**
(daN)
121 1.45 1.17 149 – 200 3 1/2 REG 21 000 21 000 95 000 32 000 194 000
127 1.45 1.17  149 – 200  3 1/2 REG  21 000  21 000 95 000 32 000  214 000
165 1.63 1.32 200 – 251 4 1/2 REG 32 000 32 000 159 000 45 000 245 000
171 1.63 1.32 216 – 251 4 1/2 REG 39 000 39 000 160 000 61 000 266 000
197 1.98 1.65 244 – 311 6 5/8 REG 50 000 50 000 243 000 96 000 284 000
203 1.98 1.65  244 – 311  6 5/8 REG  50 000  50 000  243 000 96 000 376 000
244 2.44 2.31 311 – 445 6 5/8 REG 59 000 59 000 343 000 99 000 488 000

*Operating Capacity
**Static Capacity
Specifications are based on as new condition and are subject to change without notice.

FEATURES & BENEFITS
  • Industry proven thrust and radial bearing technology, custom designed for mud lubricated drilling motor applications.
  • Bearing Assembly design is straight forward and compact, making for easier service.
  • Equipped with 0 – 3° Adjustable Bend Assembly.
  • Option for shorter bit-to-bend Fixed Bend Assembly.
  • Features the Maxi-Torque Driveline for use with even wall technology, hard rubber, and other high torque power sections.
  • Inhouse manufactured components adhere to Wenzel’s high standard of premium materials and quality production.
  • Patented design.

Download the Motor Handbook PDF

The Wenzel Motor Handbook is also available as a free download on your mobile device.

GALLERY
TECHNICAL SPECIFICATIONS

Imperial

Nominal OD
(inch)
Bit Box to Bend
(inch)
Bit Box to Fixed Bend
(inch)
Hole Size
(inch)
Standard Bit Box Thread Max WOB*
(lbs)
Max Bit Overpull* (lbs) Max WOB to Re-run**
(lbs)
Max Bit Overpull to Re-run**
(lbs)
Absolute Body Overpull**
(lbs)
4 3/4 57 46 5 7/8 – 7 7/8 3 1/2 REG 48 000 48 000 213 000 72 000 436 000
5 57 46 5 7/8 – 7 7/8 3 1/2 REG 48 000 48 000 213 000 72 000 481 000
6 1/2 64 52 7 7/8 – 9 7/8 4 1/2 REG 72 000 72 000 358 000 101 000 550 000
6 3/4 64 52 8 1/2 – 9 7/8 4 1/2 REG 87 000 87 000 360 000 137 000 597 000
7 3/4 78 65 9 5/8 – 12 1/4 6 5/8 REG 112 000 112 000 546 000 216 000 638 000
8 78 65 9 5/8 – 12 1/4 6 5/8 REG 112 000 112 000 546 000 216 000 845 000
9 5/8 96 91 12 1/4 – 17 1/2 6 5/8 REG 132 000 132 000 772 000 223 000 1 097 000

*Operating Capacity
**Static Capacity
Specifications are based on as new condition and are subject to change without notice.

Metric

Nominal OD
(mm)
Bit Box to Bend
(m)
Bit Box to Fixed Bend
(m)
Hole Size
(mm)
Standard Bit Box Thread Max WOB*
(daN)
Max Bit Overpull*
(daN)
Max WOB to Re-run**
(daN)
Max Bit Overpull to Re-run**
(daN)
Absolute Body Overpull**
(daN)
121 1.45 1.17 149 – 200 3 1/2 REG 21 000 21 000 95 000 32 000 194 000
127 1.45 1.17  149 – 200  3 1/2 REG  21 000  21 000 95 000 32 000  214 000
165 1.63 1.32 200 – 251 4 1/2 REG 32 000 32 000 159 000 45 000 245 000
171 1.63 1.32 216 – 251 4 1/2 REG 39 000 39 000 160 000 61 000 266 000
197 1.98 1.65 244 – 311 6 5/8 REG 50 000 50 000 243 000 96 000 284 000
203 1.98 1.65  244 – 311  6 5/8 REG  50 000  50 000  243 000 96 000 376 000
244 2.44 2.31 311 – 445 6 5/8 REG 59 000 59 000 343 000 99 000 488 000

*Operating Capacity
**Static Capacity
Specifications are based on as new condition and are subject to change without notice.