Screw downhole motors are designed to perform maintenance and emergency operations in production strings for directional sidetracking of additional wellbores, drilling of cement bridges and sand plugs during well workover, and for drilling vertical and directional oil and gas wells.

Specifications

Model Outer diameter Capacity Speed Pressure drop Torque Max torque Drill pressure Max drill pressure Max
hp.		 Length Sleeve joint
inch mm l./min rpm MPa N·m N·m kN kN L.s. mm Top joint Bottom joint
ZD89x5 3 1/2 89 121-416 95-330 4,11 560 976 18 37 26.3 4663 2 3/8 2 3/8
ZD95x5 3 3/4 95 284-662 140-330 3,21 709 1241 21 40 32.3 4206 2 7/8 2 7/8
ZD100x5 2 7/8 100 284-662 140-320 3,21 709 1241 8,6 40 32.3 4206 2 7/8 2 7/8
ZD120x5 4 3/4 120 341-946 70-200 2,5 1302 2278 5,5 72 37 4877 3 1/2 3 1/2
ZD172x5 6 3/4 172 1135-2271 100-200 3,21 3661 5857 100 200 104.1 6706 4 1/2 4 1/2
ZD197x5 7 3/4 197 1325-3293 95-150 3,21 5003 8752 110 240 106.8 6888 5 1/2 5 1/2
ZD244x5 9 5/8 244 3047-4239 90-140 2,5 9298 16277 210 400 185.3 7803 6 5/8 7 5/8