Coiled tubing motors

SOKOL Drilling motors and tools has designed a downhole drilling motor specifically for coiled tubing and slim hole applica­tions. Remedial, production, and drilling jobs have all been successfully executed with a downhole drilling motor. This motor is used with coil tubing units for continuous drilling and workover applications such as vertical deepening, milling, de-scaling or dewaxing of production tubing, windows, and cement plugs.

Standard sizes ranging from 111/16" to 27/8". Power sections are available in a wide range of speeds and have Nitrile Butadiene Rubber (NBR) for standard requirements and also Hard Rubber (HR) for higher torque requirements. Stators with Oil-Resistant Elastomer (S) are recommended for oil-base muds while High-Temperature Elastomer (T) stator can be utilized at temperatures up to 180°C.

SOKOL`s Mud Motors are designed with a mud lubricated bearing assembly, which equip­ped with high precision, bi-directional angular contact bearing pack which is machined from the highest quality tool steel, that gives a uniform load distribution and high weight on bit capacity.

Technical specification

Part
number
Bit size
(inches)
Max WOB
(lbs)
Working
overpull (lbs)
Absolute
overpull (lbs)
Max operating
torque (lb-ft)
Bit
connection
Pipe
connection
Max diameter of
bearing section (inches)
Bend
angle (°)
Max stator
diameter (inches)
Lower arm
length (inches)
DV168 1.87…2.75 1 13 28 362 З-35 (NC12) З-35 (NC12) 1.68 - 1.68 -
DV212 2.37…3.0 4 17 39 723 З-42 З-42 2.12 - 2.12 -
DV236 2.87…3.0 6 22 55 1 З-42 З-42 2.36 - 2.40 -
DV287 3.26…3.87 6 35 74 1 З-66 (2 ⅜ Reg) З-66 (2 ⅜ Reg)
З-65 (NC23)
3.00 0…2,5 2.87 38
Part
number
Bit size
(mm)
Max WOB
(kgf)
Working
overpull (kgf)
Absolute
overpull (kgf)
Max operating
torque (kgf·m)
Bit
connection
Pipe
connection
Max diameter of
bearing section (mm)
Bend
angle (°)
Max stator
diameter (mm)
Lower arm
length (mm)
DV43 47,6…69,9 900 6 000 13 000 50 NC12 NC12 43.00 - 43.00 -
DV54 60,3…76,0 2 000 8 000 18 000 100 З-42 З-42 54.00 - 54.00 -
DV60 73,0…76,0 3 000 10 000 25 000 150 З-42 З-42 60.00 - 61.00 -
DV73 83,0…98,4 3 000 16 000 34 000 200 2 ⅜ Reg 2 ⅜ Reg
NC23
76.00 0…2,5 73.00 965

Features & Benefits

  • Coiled Tubing and Slim Hole applications
  • Sizes from 111/16" to 27/8"
  • Wide range of speeds and torques
  • High-strength and wear resistant carbide radial bearings
  • Simple maintenance
  • Higher operating temperatures
  • Operates in a wide variety of drilling fluids
  • Cost savings
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