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
Diverting Circulating Sub
| O.D. | I.D. | Length | Tensile | Torque | Connection | |
|---|---|---|---|---|---|---|
| in mm | in mm | ft m | lbs kg | ft-lbs Nm | ||
| 1.70 43.2 | 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 | 88,288 40,047 | 994 1,348 | 1-1/2" AM MT | |
| 2.88 73.0 | 0.56 14.3 | 1.58 0.48 | 188,980 85,720 | 1,937 2,626 | 2-3/8" PAC | |
| 3.13 79.5 | 0.56 14.3 | 1.78 0.54 | 281,160 127,532 | 4,600 6,237 | 2-3/8" Reg | |
| 4.20 106.7 | 0.81 20.6 | 2.57 0.78 | 405,000 183,705 | 1,650 2,237 | 3-1/2" PH-6 |
Dual Circulating Sub
| O.D. | I.D. | Length | Tensile | Torque | Connection | |
|---|---|---|---|---|---|---|
| in mm | in mm | ft m | lbs kg | ft-lbs Nm | ||
| 1.70 43.2 | 0.38 9.7 | 0.83 0.25 | 62,500 28,350 | 460 624 | 1" AM MT | |
| 2.13 53.9 | 0.44 11.1 | 1.15 0.35 | 88,288 40,047 | 994 1,348 | 1-1/2" AM MT | |
| 2.88 73.0 | 0.56 14.3 | 1.58 0.48 | 188,980 85,720 | 1,937 2,626 | 2-3/8" PAC |
