Ngwa
Ngwunye cone bụ ihe a na-ejikarị eme ihe n'ịgba mmanụ ala na mkpọ ala.Tricone bit nwere ọrụ nke mmetụta, ịkụpịa na ịkpacha nkume n'usoro, n'ihi ya, ọ nwere ike ime mgbanwe na nro, ọkara na ike nhazi.Enwere ike kewaa obere cone ka ọ bụrụ igwe igwe (eze igwe) cone bit na TCI cone bit dị ka ụdị ezé si dị.
Njirimara
Dị ka ịcha ihe onwunwe, ọ nwere ike kewaa nchara nchara (egweri eze) na tungsten carbide insert (TCI) eze roller cone bit.
TCI Tricone na-egwupụta akụ maka ọkara na nkume siri ike.
Nhazi nke TCI tricone bits na-egosipụta mgbanye chisel tungsten carbide na-eme ihe ike na ahịrị ikiri ụkwụ na ahịrị dị n'ime.
Nke a imewe na-enye a ngwa ngwa mkpọpu ihe ọnụego na kwukwara ọnwụ Ọdịdị anwụ ngwa ngwa na ọkara na ọkara ike formations.Ring rọba HSN na-enye akara nke ọma maka ịdịte aka.
Enwere ike iji ihe nhazi TCI tricone siri ike mee ka ọkpụkpụ siri ike na abrasive guzobe.A na-eji ihe ntinye nke tungsten carbide na-eguzogide n'ahịrị ndị dị n'èzí iji gbochie mfu nke ihe nlele.A na-eji ọnụ ọgụgụ kacha elu nke ntinye ụdị hemispherical n'ahịrị niile iji nye ogologo ndụ na ogologo ndụ.
Ọdịdị Tricone bits Structure
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 |
