Taupānga
Ko nga paraka Tricone, e kiia ana e etahi he paraka koeko roera, he paraka toru-koe ranei, e toru nga koeko.Ka taea te huri takitahi ia koeko ina huri te aho drill i te tinana o te moka.Ko nga koekoe he peera roera kua whakauruhia i te wa o te huihuinga.Ka taea te whakamahi i nga moka tapahi hurihuri ki te keri i nga hanganga mena ka tohua te kaitapahi tika, te kawe, me te puha.
Nga paraka niho mira
1,Whakaahua ngohe(114-117)
I hoahoatia enei parapara ki te keri i nga hanganga ngawari penei i te toka ngohengohe, nga moenga whero, me te uku, he nui te mauroa me te reiti o te kuhu.
2,Whakaahua ngohe ki waenga(121,124,126,134,136,137)
I hoahoatia enei paraire ki te keri i nga hanganga penei i te toka, te kowhatu ngawari ngawari, te kirikiri Waenga me etahi atu hanganga me nga kowhatu pakari.
3,Waenga ki te pakeke (213,214,215,217)
I hangaia enei paraire ki te keri i nga hanganga penei i te kirikiri pakeke, te dolomite, me nga hanganga pakaru me nga kowhatu cherty maro.
Arataki mo Tricone Bit Choice
| IADC | WOB(KN/mm) | RPM(r/mene) | NGA WHAKAMAHI KAUPAPA |
| 114/116/117 | 0.3~0.75 | 180~60 | Ko nga hanganga tino ngohengohe he iti te kaha o te pupuhi me te kaha o te pupuhi, penei i te paru, te paru, te tioka, aha atu. |
| 124/126/127 | 0.3~0.85 | 180~60 | Ko nga hanganga ngawari he iti te kaha o te pupuhi me te kaha o te pupuhi, penei i te kohatu paru, te gypsum, te tote, te kowhatu ngawari, me etahi atu. |
| 134/135/136/137 | 0.3~0.95 | 150~60 | Ko nga hanganga ngawari ki te reo me te iti o te kaha o te pupuhi me te kaha o te pupuhi, penei i te toka ngohengohe reo, te gypsum pakeke, te kowhatu ngohengohe reo, te kirikiri ngohengohe reo, te hanganga ngohengohe me te papaa pakari ake, etc. |
| 214/215/216/217 | 0.35~0.95 | 150~60 | Ko nga hanganga reo me te kaha pupuhi teitei, penei i te toka ngohengohe reo, te gypsum pakeke, te kowhatu ngohe reo, te kirikiri ngawari, te hanga ngawari me te papaa uaua ake, etc. |
| 227 | 0.35~0.95 | 150~50 | Ko nga hanganga pakeke reo me te kaha o te kaha pupuhi, penei i te toka abrasive, te kowhatu kowhatu, te kirikiri, te dolomite, te gypsum pakeke, te mapere, me era atu |
| Tuhipoka: Ko nga rohe o runga o te WOB me te RPM i runga ake i te ripanga kaua e whakamahia i te wa kotahi. | |||
Arataki mo te tricone Bits ChoiceTricone Bits Momo Niho
Rahi moka
| Rahi Moka | API REG PIN | Te taipana | Taumaha | |
| Inihi | mm | Inihi | KN.M | Kgs |
| 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 | ||
Tukanga Whakaputa
| Rahi ota iti | N/A |
| Utu | |
| Nga Taipitopito mokete | Paerewa Kaweake Tukunga Paerewa |
| Wā Tukunga | 7ra |
| Nga tikanga utu | T/T |
| Te kaha tuku | I runga i te Ota Taipitopito |
