Systems and Equipment - 106 JT5 Operator’s Manual
Downhole Tools
CMW
®
Backream Fluid Requirements
Backreamer/product
diameter
Gal/ft L/m Backreamer/product
diameter
Gal/ft L/m
.5 in 13 mm 0.01 0.13 13.5 in 343 mm 7.44 92.35
1 in 25 mm 0.04 0.51 14 in 356 mm 8.00 99.31
1.5 in 38 mm 0.09 1.14 14.5 in 368 mm 8.58 106.54
2 in 51 mm 0.16 2.03 15 in 381 mm 9.18 114.01
2.5 in 64 mm 0.25 3.17 15.5 in 394 mm 9.80 121.74
3 in 76 mm 0.37 4.56 16 in 406 mm 10.44 129.72
3.5 in 89 mm 0.5 6.21 16.5 in 419 mm 11.11 137.95
4 in 102 mm 0.65 8.11 17 in 432 mm 11.79 146.44
4.5 in 114 mm 0.83 10.26 17.5 in 445 mm 12.49 155.18
5 in 127 mm 1.02 12.67 18 in 457 mm 13.22 164.17
5.5 in 139 mm 1.23 15.33 18.5 in 470 mm 13.96 173.42
6 in 152 mm 1.47 18.24 19 in 483 mm 14.73 182.92
6.5 in 165 mm 1.72 21.41 19.5 in 495 mm 15.51 192.68
7 in 178 mm 2.00 24.83 20 in 508 mm 16.32 202.68
7.5 in 190 mm 2.29 28.50 20.5 in 521 mm 17.15 212.94
8 in 203 mm 2.61 32.43 21 in 533 mm 17.99 223.46
8.5 in 216 mm 2.95 36.61 21.5 in 546 mm 18.86 234.23
9 in 229 mm 3.30 41.04 22 in 559 mm 19.75 245.25
9.5 in 241 mm 3.68 45.73 22.5 in 572 mm 20.65 256.52
10 in 254 mm 4.08 50.67 23 in 584 mm 21.58 268.05
10.5 in 267 mm 4.50 55.86 23.5 in 597 mm 22.53 279.83
11 in 289 mm 4.94 61.31 24 in 610 mm 23.50 291.86
11.5 in 292 mm 5.40 67.01 24.5 in 622 mm 24.49 304.15
12 in 305 mm 5.88 72.97 25 in 635 mm 25.50 316.69
12.5 in 318 mm 6.37 79.17 25.5 in 648 mm 26.53 329.49
13 in 330 mm 6.90 85.63 26 in 660 mm 27.58 342.53
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