Mīti hurihuri IADC627 8 1/2″ (215mm/216mm)
Whakaahuatanga Hua
Ko ngā mata keri toka tricone API TCI i hokona rahitia mai i te wheketere o Haina mō ngā hanganga mārō.
Whakaahuatanga Moka:
IADC: 627 - Mata pere hiri TCI me te tiaki ine mō ngā hanganga pakeke waenga me te kaha pēhi teitei.
Kaha Whakapūmau:
100 - 150 MPA
14,500 - 23,000 PSI
Whakaahuatanga Whenua:
Ngā toka mārō, kua pai te whakapiripiri, pērā i: ngā kōhatu kōhatu mārō, ngā rārangi quarzite, ngā konganuku pyrite, ngā konganuku hematite, ngā konganuku magnetite, ngā konganuku chromium, ngā konganuku phosphorite me ngā granite.
Ka taea e FAR EASTERN DRILLING te tuku i ngā mata TCI o ngā rahi rerekē (mai i te 3 3/8" ki te 26") me te nuinga o ngā waehere IADC.
I roto i te kaupapa keri, he 15 tau a Far Eastern me te neke atu i te 30 whenua o te wheako ratonga ki te whakarato i ngā mata keri me ngā wairua keri matatau mō ngā tono maha. Kei roto i ngā tono ko te mara hinu, te hau māori, te tūhura whenua, te keri awa, te keri, te keri puna wai, te HDD, te hanga, me te turanga. Ka taea te whakarite i ngā momo mata keri kia rite ki ngā hanganga toka rerekē nā te mea kei a mātou ake wheketere tohu API me ISO mō ngā mata keri. Ka taea e mātou te whakarato i te otinga a tā mātou miihini ina taea e koe te whakarato i ngā āhuatanga motuhake, pēnei i te pakeke o ngā toka, ngā momo taputapu keri, te tere hurihuri, te taumaha o te mata me te taipana. Ka āwhina hoki mātou ki te kimi i ngā mata keri e tika ana i muri i tō whakamōhio mai ki a mātou mō te keri puna poutū, te keri whakapae rānei, te keri puna hinu, te keri Kore-Keri, te whakatō turanga rānei.
Whakatakotoranga Hua
| Whakatakotoranga Taketake | |
| Rahi o te Mata Toka | 8 1/2 inihi |
| 215.90 mm | |
| Momo Moka | TCI Tricone Bit |
| Hononga Miro | 4 1/2 API REG PIN |
| Waehere IADC | IADC 627G |
| Momo Peera | Peera Hiri-Hautaka me te Tiakitanga Ine |
| Hiri Whero | Elastomer, Rapa/Metara rānei |
| Te Tiaki Rekereke | Kei te wātea |
| Te Tiaki i te Hiku o te Hāte | Kei te wātea |
| Momo Whakawhitiwhiti | Te Tohanga o te Paru |
| Āhua o te Keri | Keri hurihuri, keri pāmahana teitei, keri hohonu, keri motuka |
| Ngā pūwero | 3 |
| Ngā Tawhā Whakahaere | |
| WOB (Taumaha i runga i te Momo) | 21,820-53,479 pauna |
| 98-238KN | |
| RPM(r/min) | 50~120 |
| Te hanganga | He hanganga waenga me te kaha pēhi iti, pērā i te kirikiri waenga, te kirikiri ngohengohe, te kōhatu papatahi ngawari waenga, te kōhatu papatahi ngawari waenga, te kōhatu onepū ngawari waenga, te hanganga waenga me ngā paparanga mārō me te koi, me ētahi atu. |
He tohunga wheketere a Far Eastern ki ngā mata keri, pērā i ngā mata keri tricone, ngā mata PDC, te whakatuwheratanga poka HDD, ngā taputapu tapahi turanga mō te puna wai, te papa hinu, te puna hau, te keri, te hanga, te geothermal, te keri aronga, me ngā mahi turanga raro whenua puta noa i te ao. E ngana tonu ana mātou ki te whakapai ake i ngā mata keri me te tere uru nui. Ko tā mātou whāinga he iti rawa te utu keri mō ia mita.










