Tha stuthan daoimean polycrystalline, airson an cleachdadh ann am pìosan polycrystalline diamond compact (PDC), mar aon de na h-adhartasan stuthan as cudromaiche airson innealan drileadh ola anns na bliadhnachan mu dheireadh.Bidh pìosan ceann stèidhichte a’ cuairteachadh mar aon phìos agus chan eil pàirtean gluasadach ann.Nuair a bhios pìosan ceann stèidhichte a’ cleachdadh luchd-gearraidh PDC, mar as trice canar pìosan PDC riutha.Tha fèill mhòr air pìosan a’ cleachdadh luchd-gearraidh PDC air a dhol suas mean air mhean, agus tha iad cha mhòr cho cumanta ri pìosan còn rolair ann am mòran thagraidhean drile.
Sònrachaidhean Pàirtean Drile PDC corp matrix:
| Meud (Inch) | Meud (mm) | Std.Snàthainn API | Cuideam tuairmseach (kgs) |
| 2-3/8 | 60 | Neo-std. | 1.3 |
| 2-1/2 | 63.5 | Neo-std. | 1.5 |
| 3 | 76 | Neo-std. | 2 |
| 3-1/2 | 89 | Neo-std. | 3.5 |
| 3-7/8 | 98.4 | 2-3/8" | 5 |
| 4 | 102 | 2-3/8" | 5.5 |
| 4-1/4 | 108 | 2-3/8" | 6.5 |
| 4-5/8 | 117.5 | 2-7/8" | 8 |
| 5-1/4 | 133 | 2-7/8" | 11 |
| 5-5/8 | 142.9 | 3-1/2" | 13 |
| 5-7/8 | 149.2 | 3-1/2" | 14 |
| 6 | 152 | 3-1/2" | 17 |
| 6-1/8 | 155.6 | 3-1/2" | 18 |
| 6-1/4 | 159.3 | 3-1/2" | 20 |
| 6-1/2 | 165 | 3-1/2" | 22 |
| 7-1/2 | 190.5 | 4-1/2" | 31 |
| 7-5/8 | 193.7 | 4-1/2" | 32 |
| 7-7/8 | 200 | 4-1/2" | 35 |
| 8-1/2 | 215.9 | 4-1/2" | 42 |
| 8-5/8 | 219 | 4-1/2" | 44 |
| 8-3/4 | 222.3 | 4-1/2" | 45 |
| 9-1/2 | 241.3 | 6-5/8" | 60 |
| 9-5/8 | 244.5 | 6-5/8" | 65 |
| 9-3/4 | 247.7 | 6-5/8" | 70 |
| 9-7/8 | 250.8 | 6-5/8" | 75 |
| 10-5/8 | 270 | 6-5/8" | 82 |
| 11-5/8 | 295 | 6-5/8" | 90 |
| 12-1/4 | 311.2 | 6-5/8" | 98 |
| 13-5/8 | 346.1 | 6-5/8" | 134 |
| 15-1/2 | 394 | 6-5/8" | 190 |
| 16 | 406.4 | 6-5/8" | 200 |
| 17-1/2 | 444.5 | 7-5/8" | 251 |
| 20 | 508 | 7-5/8" | 300 |
| 24 | 610 | 7-5/8" | 600 |
| 26 | 660.4 | 7-5/8" | 700
|
| Meud Òrdugh as ìsle | Chan eil |
| Prìs | |
| Mion-fhiosrachadh pacaidh | Pasgan lìbhrigidh àbhaisteach às-mhalairt |
| Ùine Lìbhrigeadh | 7 làithean |
| Teirmean pàighidh | T/T |
| Comas Solarachaidh | Stèidhichte air òrdugh mionaideach |
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