Jt20 operator’s manual – Ditch Witch JT20 User Manual
Page 131
Systems and Equipment - 130
JT20 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