|
Rod Shoes (For use with Wireline Drill Rods) |
|||||
|
Size |
Outside Set Diameter |
Inside Set Diameter |
|||
|
Inch |
mm |
inch |
mm |
||
|
BQ, BT |
2.350 / 2.340 |
59.69 / 59.44 |
1.785 / 1.775 |
45.34 / 45.09 |
|
|
NQ, NT |
2.970 / 2.960 |
75.44 / 75.19 |
2.377 / 2.367 |
60.38 / 60.12 |
|
|
HQ, HT |
3.620 / 3.610 |
91.95 / 91.70 |
2.997 / 2.987 |
76.12 / 75.87 |
|
|
HWQ |
4.632 / 4.617 |
117.65 / 117.27 |
3.782 / 3.772 |
96.06 / 95.81 |
|
|
DIMATEC Matrix Designations |
Maximum Bit Load per Bit Face Bearing Area (L Max) |
|
|
|
Lbs / Inch2 |
kg /cm2 |
|
D2, D3 and D4 |
2500 |
175 |
|
D5, D6, D7, D8, D9 and D10 |
2200 |
155 |
|
HR7, HR8, HR9 and HR10 |
2000 |
140 |
|
HR11 and HR12 |
1800 |
125 |
The
|
Bit Size |
Recommended Rotational Speed (Rev / Minute) |
|||||||
|
Impregnated Diamond |
Surface-Set Diamond |
PCD (TSP)-Set and “Carbide-Chip” Type Tungsten-Carbide |
“Saw-Tooth” Type Tungsten-Carbide |
|||||
|
Max |
Min |
Max |
Min |
Max |
Min |
Max |
Min |
|
|
E |
2027 |
1221 |
1243 |
466 |
- |
- |
- |
- |
|
A |
1589 |
957 |
978 |
367 |
733 |
244 |
- |
- |
|
B |
1271 |
766 |
782 |
293 |
586 |
195 |
293 |
68 |
|
N |
1005 |
605 |
618 |
232 |
464 |
155 |
232 |
54 |
|
H |
792 |
477 |
487 |
183 |
366 |
122 |
183 |
43 |
|
P |
620 |
374 |
382 |
143 |
286 |
95 |
143 |
33 |
|
36mm |
2103 |
1267 |
1294 |
485 |
- |
- |
- |
- |
|
46mm |
1643 |
990 |
1012 |
380 |
759 |
253 |
- |
- |
|
56mm |
1351 |
814 |
832 |
312 |
624 |
208 |
312 |
73 |
|
66mm |
1147 |
691 |
706 |
265 |
529 |
176 |
265 |
62 |
|
76mm |
996 |
600 |
613 |
230 |
460 |
153 |
230 |
54 |
|
86mm |
880 |
530 |
541 |
203 |
406 |
135 |
203 |
47 |
|
101mm |
749 |
452 |
461 |
173 |
346 |
115 |
173 |
40 |
|
116mm |
652 |
393 |
401 |
151 |
301 |
100 |
151 |
35 |
|
131mm |
578 |
348 |
356 |
133 |
267 |
89 |
133 |
31 |
|
146mm |
518 |
312 |
319 |
120 |
239 |
80 |
120 |
28 |
|
Bit or Casing Shoe Type |
Normal Peripheral Speed Values (“P”) |
|
|
Minimum |
Maximum |
|
|
Impregnated Diamond |
470 feet / minute |
780 feet / minute |
|
Surface-Set Diamond |
180 feet / minute |
480 feet / minute |
|
Geotechnical Triangular-TSP Set |
180 feet / minute |
480 feet / minute |
|
Geotechnical Cubic-TSP Set |
180 feet / minute |
360 feet / minute |
|
Geotechnical Pax (PCD)-Set |
120 feet / minute |
300 feet / minute |
|
Geotechnical TSP Sawtooth |
42 feet / minute |
180 feet / minute |
|
Tungsten-Carbide (“Carbide-Chip” Type) |
120 feet / minute |
360 feet / minute |
|
Tungsten-Carbide (“Sawtooth” Type) |
42 feet / minute |
180 feet / minute |
|
Bit or Casing Shoe Type |
Normal Peripheral Speed Values (“P”) |
|
|
Minimum |
Maximum |
|
|
Impregnated Diamond |
140 metres / minute |
240 metres / minute |
|
Surface-Set Diamond |
54 metres / minute |
144 metres / minute |
|
Geotechnical Triangular-TSP Set |
54 metres / minute |
144 metres / minute |
|
Geotechnical Cubic-TSP Set |
54 metres / minute |
108 metres / minute |
|
Geotechnical Pax (PCD)-Set |
36 metres / minute |
90 metres / minute |
|
Geotechnical TSP Sawtooth |
12 metres / minute |
54 metres / minute |
|
Tungsten-Carbide (“Carbide-Chip” Type) |
36 metres / minute |
108 metres / minute |
|
Tungsten-Carbide (“Sawtooth” Type) |
12 metres / minute |
54 metres / minute |
