He pai keri moka keri tricone hurihuri IADC835 11″(179.4mm)
Whakaahuatanga Hua
Hokona nga paraka keri toka tricone me te utu utu mai i te wheketere o Haina.
Whakaahuatanga moka:
IADC: 835-TCI i hirihia te moka takai roera me te whakamarumaru ine mo nga hanganga tino uaua me te abrasive.
Kaha Kōpeke:
100-150 MPA
14,500-23,000 PSI
Whakaahuatanga Papa:
He toka maro, he toka pai te whakatoka penei i te : kowhatu kowhatu silica pakeke, kowhatu kowhatu, kowhatu piriti, oka hematite, ore aukume, oka chromium, ore phosphorite, me te granite.
Ka taea e matou te tuku maina tricone rock drill bits i roto i nga momo rahi me te nuinga o nga Waehere IADC.
Whakatakotoranga Hua
Whakatakotoranga Taketake | ||
Waehere IADC | IADC835 | |
Rahi o te Moka Toka | 8 1/2 inihi | 11 inihi |
216mm | 279mm | |
Hononga Miro | 4 1/2” API REG PIN | 6 5/8”API REG PIN |
Taumaha Hua: | 38KG | 74KG |
Momo Kawe: | Patene Poi-poi-Roi-Tua-Tua/Huri Hiiri | |
Momo tohanga | Jet Air | |
Tawhā Mahi | ||
Taumaha i runga moka: | 42,500-68,000Lbs | 55,000-88,000Lbs |
Tere Hurihuri: | 80-50RPM | |
Pēhanga Whakamuri Hau: | 0.2-0.4 MPa | |
Whakaahuatanga Papa: | He toka maro, he toka pai te whakatoka penei i te: kowhatu kowhatu silica maro, kowhatu kowhatu, he oka pyrite, he oka hematite, he oka magnetite, he oka chromium, he oka phosphorite, he kirikiri. |
Ko te moka Tricone IADC835 ko te TCI kua hirihia te roera e mau ana i te bit.Ko te bit he tiaki ine.
Ko te hanganga tapahi e whai ake nei:
Ovoid i runga i te mehua me nga rarangi o roto.
Ka whakamahia te moka tricone mo nga hanganga tino uaua me te abrasive me te kaha kaha o te kopiri penei i te granite,quartzite,magnetite quartzite.
Ko te tono mai i te 55.000Psi ki te 66,000Psi.
Ko te whakamarutanga o te hiku koti he maara me te mau carbide atete ki runga i te ngutu hiku me te hiu.
Ko te momo kawe ko te roera-poi-roera-te patene pana / hiri hiri.
Ko te momo tohanga he hau jet.
Far Eastern Drilling i te tau 2008, i whiwhi i nga tiwhikete kounga o te API me te ISO.Hei wheketere moka moka keri, kei a matou te nuinga o nga wahanga maakete i roto i te maakete a-whare o Haina me te whakapumau i nga hea marekt i nga maakete o Amerika ki te tonga me Australasian.