Downhole drilling motor
DV650

Part number:

DV650.4.58

DV650.5.54

DV650.7.54

Legend:

Technical specification

Motor OD 6.5"
Part number DV650-R
Bit size (inches) 8.37…9.87
Max WOB (lbs) 35 273
Working overpull (lbs) 136 686
Absolute overpull (lbs) 286 600
Max operating torque (lb-ft) 19 529
Bit connection 4 ½ Reg
Pipe connection NC50
Max diameter of bearing section (inches) 6.00
Bend angle (°) 0…2
Power section part number DV650.4.58 DV650.5.54 DV650.7.54
Max stator diameter (inches) 6.50
Lower arm length (inches) 69
Motor length (inches) 338.58 322.83
Weight (lbs) 2 659 2 684 2 880

Energy characteristics

Motor OD 6.5"
Part number DV650.4.58 DV650.5.54 DV650.7.54
Lobes 4/5 5/6 7/8
Stator contour 5 400 5 000
Stages 7.0 6.0 5.0
Flow (gpm) 190…396 238…475 301…602
Speed at no-load (rpm) 110…220 90…180 95…190
Rotor (rpm) 0.150 0.100 0.083
Max differential pressure (psi) 797 683 569
Speed (rpm) 90…180 70…160 75…170
Torque (lb-ft) 3544…4991 3978…5714 4484…6292
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