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Products / Services › Milling & Cleanout › Downhole Motors › Motorhead Assembly › Circulating Sub

CIRCULATING SUB

The Circulating Sub, normally run above a downhole motor, is designed to provide a means of circulation to the annulus upon activation. This tool utilizes a drop ball for actuation.

Key features

  • Saves Wear on Motor
  • Circulating Path
  • Dual Option Available with Rupture Disk
CIRCULATING SUB

Specs

DIVERTING CIRCULATING SUB

o.d i.d. LENGTH OVERPULL TORQUE CONNECTION
in mm in mm ft m lbs kg ft-lbs Nm
1.70 1.70 0.38 9.5 0.83 0.25 50,000 22,680 459 622 1” AM MT
2.13 53.9 0.44 11.1 1.15 0.35 70,630 32,037 994 1,348 1-1/2” AM MT
2.88 73.0 0.56 14.3 1.58 0.48 174,856 79,313 4,489 2,626 2-3/8” PAC
3.13 79.5 0.59 17.5 2.08 0.63 223,822 101,524 5,879 7,971 2-7/8” PAC
4.20 106.7 0.81 20.6 2.15 0.66 324,000 146,964 1,650 2,237 3-1/2” PH-6

Specs

DUAL CIRCULATING SUB

o.d I.D. LENGTH OVERPULL TORQUE CONNECTION
in mm in mm ft m lbs kg ft-lbs Nm
1.70 43.2 0.38 9.5 0.85 0.26 50,000 22.680 460 624 1” AM MT
2.13 53.9 0.44 11.1 1.17 0.36 70,630 32,037 994 1,348 1-1/2” AM MT
2.88 73.0 0.56 14.3 1.58 0.48 70,630 32,037 994 1,348 2-3/8” PAC