Ngwa
Tricone ibe n'ibe, nke ụfọdụ nwekwara ike na-akpọ roller cone bits ma ọ bụ tri-cone ibe n'ibe, nwere atọ cones.Enwere ike ịtụgharị cone ọ bụla n'otu n'otu mgbe eriri egwu na-atụgharị ahụ nke bit ahụ.Cones nwere ihe mkpuchi rola dabara n'oge mgbakọ.Enwere ike iji mpempe mkpụgharị na-agbagharị agbawa n'ụdị ọ bụla ma ọ bụrụ na ahọpụtara onye na-egbutu, ihe na-ebu, na nozzle kwesịrị ekwesị.
Iberibe nha nha nha
1, Ụdị dị nro (114-117)
Emebere ibe n'ibe ndị a iji gwuo usoro kachasị dị nro dị ka shales dị nro, akwa na-acha uhie uhie na ụrọ, nwere ogologo ogologo oge yana ọnụego ntinye kacha.
2, Nhazi dị nro ruo ọkara (121,124,126,134,136,137)
A haziri ibe n'ibe ndị a ka ọ na-egwupụta usoro dị ka shales, nkume nzu dị nro, nkume aja dị ọkara na usoro ndị ọzọ nwere ogologo ogologo oge siri ike.
3, Ọkara ruo nhazi siri ike (213,214,215,217)
A haziri ibe n'ibe ndị a ka ọ na-egwupụta usoro dịka nkume aja siri ike, dolomite, na n'ụdị gbajiri agbaji nwere eriri chert siri ike.
Ntuziaka nke nhọrọ Tricone Bit
| IDC | WOB (KN/mm) | RPM(r/min) | NKWUKWU NDỊ KWESỊRỊ |
| 114/116/117 | 0.3-0.75 | 180-60 | Nhazi dị nro nke nwere ike mkpakọ dị ala na nnukwu drillability, dị ka ụrọ, nkume apịtị, nzu, wdg. |
| 124/126/127 | 0.3-0.85 | 180-60 | Nhazi dị nro na ike mkpakọ dị ala na nnukwu drillability, dị ka mudstone, gypsum, nnu, limestone dị nro, wdg. |
| 134/135/136/137 | 0.3-0.95 | 150-60 | Akpụkpọ ụkwụ dị nro na nke ọkara na ike mkpakọ dị ala na nnukwu drillability, dị ka shale dị nro, gypsum siri ike, nkume nzu dị nro dị nro, nkume aja dị nro dị nro, nhazi dị nro na nke siri ike, wdg. |
| 214/215/216/217 | 0.35-0,95 | 150-60 | Nhazi nke etiti nwere ike mkpakọ dị elu, dị ka shale dị nro, gypsum siri ike, nkume nzu dị nro, nkume aja dị nro dị nro, nguzobe dị nro na nke siri ike, wdg. |
| 227 | 0.35-0,95 | 150-50 | Nhazi siri ike nke ọkara nwere ike mkpakọ dị elu, dị ka abrasive shale, limestone, sandstone, dolomite, gypsum siri ike, marble, wdg. |
| Mara: E kwesịghị iji oke oke WOB na RPM dị na tebụl dị n'elu mee ihe n'otu oge. | |||
Ntuziaka nke tricone Bits ChoiceỤdị nha nha nke Tricone
Nha ibe n'ibe
| Nha Bit | PIN REG API | Torque | Ibu | |
| Inch | mm | Inch | KN.M | Eze |
| 3 3/8 | 85.7 | 2 3/8 | 4.1-4.7 | 4.0-6.0 |
| 3 1/2 | 88.9 | 4.2-6.2 | ||
| 3 7/8 | 98.4 | 4.8-6.8 | ||
| 4 1/4 | 108 | 5.0-7.5 | ||
| 4 1/2 | 114.3 | 5.4-8.0 | ||
| 4 5/8 | 117.5 | 2 7/8 | 6.1-7.5 | 7.5-8.0 |
| 4 3/4 | 120.7 | 7.5-8.0 | ||
| 5 1/8 | 130.2 | 3 1/2 | 9.5-12.2 | 10.3-11.5 |
| 5 1/4 | 133.4 | 10.7-12.0 | ||
| 5 5/8 | 142.9 | 12.6-13.5 | ||
| 5 7/8 | 149.2 | 13.2-13.5 | ||
| 6 | 152.4 | 13.6-14.5 | ||
| 6 1/8 | 155.6 | 14.0-15.0 | ||
| 6 1/4 | 158.8 | 14.4-18.0 | ||
| 6 1/2 | 165.1 | 14.5-20.0 | ||
| 6 3/4 | 171.5 | 20.0-22.0 | ||
| 7 1/2 | 190.5 | 4 1/2 | 16.3-21.7 | 28.0-32.0 |
| 7 5/8 | 193.7 | 32.3-34.0 | ||
| 7 7/8 | 200 | 33.2-35.0 | ||
| 8 3/8 | 212.7 | 38.5-41.5 | ||
| 8 1/2 | 215.9 | 39.0-42.0 | ||
| 8 5/8 | 219.1 | 40.5-42.5 | ||
| 8 3/4 | 222.3 | 40.8-43.0 | ||
| 9 1/2 | 241.3 | 6 5/8 | 38-43.4 | 61.5-64.0 |
| 9 5/8 | 244.5 | 61.8-65.0 | ||
| 9 7/8 | 250.8 | 62.0-67.0 | ||
| 10 | 254 | 68.0-75.0 | ||
| 10 1/2 | 266.7 | 72.0-80.0 | ||
| 10 5/8 | 269.9 | 72.0-80.0 | ||
| 11 1/2 | 292.1 | 79.0-90.0 | ||
| 11 5/8 | 295.3 | 79.0-90.0 | ||
| 12 1/4 | 311.2 | 95.0-102. | ||
| 12 3/8 | 314.3 | 95.0-102.2 | ||
| 12 1/2 | 317.5 | 96.0-103.0 | ||
| 13 1/2 | 342.9 | 105.0-134.0 | ||
| 13 5/8 | 346.1 | 108.0-137.0 | ||
| 14 3/4 | 374.7 | 7 5/8 | 46.1-54.2 | 140.0-160.0 |
| 15 | 381 | 145.0-165.0 | ||
| 15 1/2 | 393.7 | 160.0-180.0 | ||
| 16 | 406.4 | 200.0-220.0 | ||
| 17 1/2 | 444.5 | 260.0-280.0 | ||
| 26 | 660.4 | 725.0-780.0 | ||
Usoro mmepụta
| 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 |
