Tricone Rock Drill Bits:
Ezé egweri (eze igwe) tricone bits na-egwupụta ala maka nhazi nkume dị nro na nke ọkara.
A na-eji ihe nrụpụta dị nro na-egweri eze tricone ibe n'igwu ike mkpakọ dị ala, nhazi dị nro.A na-eji ogologo nha nha nha nha n'elu cones dị elu iji nye ọnụego ntinye kachasị ukwuu enwere ike.A na-eji eyi nguzogide ihu siri ike iji chịkwaa iyi eze.N'ụdị ụdị dị nro nke a siri ike na-ekpuchi ezé ezé kpamkpam.
A na-eji ihe ndị na-emepụta ihe na-egweri eze tricone ibe n'ibe na-akuarọ nnukwu mkpakọ ike, ọkara nkume guzobe.A na-eji ezé ntule agbapụ nwere ogologo crest belatara n'usoro nhazi bit a.A na-etinye ihu siri ike na-adịgide adịgide iji belata nha nha nha.
Tebụl nke nhazi ọkwa siri ike na nhọrọ bit
| Roller cone bit | Koodu IDC nke diamond bit | Nkọwa nhazi | Ụdị nkume | Ike mkpakọ (Mpa) | ROP(m/h) |
| Koodu IDC | |||||
| 111/124 | M/S112~M/S223 | Dị nro nke ukwuu: nguzobe dị nro na-arapara n'ahụ nwere ike mkpakọ dị ala. | Ụrọ Nkume siltstone nkume ájá | <25 | >20 |
| 116/137 | M/S222~M/S323 | Soft: nro guzobe na obere mkpakọ ike na elu drillability. | Nkume ụrọ Marl Lignite nkume ájá | 25-50 | 10 ~ 20 |
| 417/527 | M/S323~M/S433 | Ọkara dị nro: nguzobe dị nro ruo ọkara nwere ike mkpakọ dị ala na steak. | Nkume ụrọ Marl Lignite Nkume aja Nkume siltstone Anhydrite Tuff | 50-75 | 5-15 |
| 517/537 | M322-M443 | Ọkara: Ọkara ruo nguzobe siri ike nwere ike mkpakọ dị elu yana ogologo abrasive dị mkpa. | Nkume apịtị Nkume gbara ọchịchịrị acha anụnụ anụnụ | 75-100 | 2 ~ 6 |
| 537/617 | M422-M444 | Ọkara siri ike: nguzo siri ike na oke nwere ike mkpakọ dị elu na abrasiveness ọkara. | Nkume gbara ọchịchịrị Shale siri ike Anhydrite Nkume aja Dolomite | 100-200 | 1.5-3 |
Nha nha nha Tricone Steel
| Nha oge niile | IDC oge niile | API Reg Pin | Torque etemeete(Nm) |
| 3 7/8" (98.4mm) | 126/216/637 | 2 3/8 | 4100-4700 |
| 4 5/8" (117.4mm) | 126/216/517/537/637 | 2 7/8 | 6100-7500 |
| 5 1/4" (133.3mm) | 126/216/517/537/637 | 3 1/2 | 9500-12200 |
| 5 5/8" (142.8mm) | 126/216/517/537/637 | 3 1/2 | 9500-12200 |
| 5 7/8" (149.2mm) | 126/216/517/537/637 | 3 1/2 | 9500-12200 |
| 6" (152.4mm) | 126/127/216/517/537/617/637 | 3 1/2 | 9500-12200 |
| 6 1/4" (158.7mm) | 126/127/216/517/537/617/637 | 3 1/2 | 9500-12200 |
| 6 1/2" (165mm) | 126/127/216/517/537/617/637 | 3 1/2 | 9500-12200 |
| 7 1/2" (190mm) | 126/216/517/537 | 4 1/2 | 16300-21700 |
| 7 5/8" (193mm) | 126/216/517/537 | 4 1/2 | 16300-21700 |
| 7 7/8" (200mm) | 126/216/517/537 | 4 1/2 | 16300-21700 |
| 8 1/2" (215.9mm) | 117/127/217/437/517/537/617/637 | 4 1/2 | 16300-21700 |
| 9 1/2" (241.3mm) | 117/127/217/437/517/537/617/637 | 6 5/8 | 38000-43400 |
| 9 7/8" (250.8mm) | 117/127/217/437/517/537/617/637 | 6 5/8 | 38000-43400 |
| 10 5/8 (269.8mm) | 117/127/137/217/517/537/617/637 | 6 5/8 | 38000-43400 |
| 11 5/8 (295.3mm) | 117/127/137/217/517/537/617/637 | 6 5/8 | 38000-43400 |
| 12 1/4" (311.1mm) | 114/127/217/437/517/537/617/637 | 6 5/8 | 38000-43400 |
| 13 5/8" (346.0mm) | 127/217/517/537/617/637 | 6 5/8 | 38000-43400 |
| 14 3/4" (374.6mm) | 127/217/517/537/617/637 | 7 5/8 | 46100-54200 |
| 17 1/2" (444.5mm) | 114/115/125/215/515/535/615/635 | 7 5/8 | 46100-54200 |
| 26" (660.4mm) | 114/115/125/215/515/535/615 | 7 5/8 | 46100-54200 |
TRICONE BITS na-emepụta usoro
| Ọnụ ego kacha nta | N/A |
| Ọnụ ahịa | |
| Nkọwa nkwakọ ngwaahịa | Ngwungwu mbupu ọkọlọtọ |
| Oge Mbuga ozi | 7 ụbọchị |
| Usoro ịkwụ ụgwọ | T/T |
| Ikike inye | Dabere na usoro zuru ezu |





