ʻO ka ʻāpana tricone TCI IADC617 6 1/2″ (165mm) no ka mīkini ʻeli

Nā ʻāpana wili pōhaku API tricone kūʻai nui i ka waihona mai ka mea hoʻolako Kina no ka luawai ʻaila hohonu.
Nā kikoʻī o ka bit:
IADC: 537 - ʻO ka bit bearing i hoʻopaʻa ʻia me ka puke pai TCI me ka pale gauge no nā ʻano palupalu a waena me ka ikaika compressive haʻahaʻa.
Ikaika Hoʻopaʻa ʻEli:
85 - 100 MPA
12,000 - 14,500 PSI
Wehewehe Hoʻokumu:
Nā pōhaku paʻakikī waena a me nā pōhaku ʻāpala e like me nā one one me nā kaha o ka quartz, ka pōhaku limestone paʻakikī a i ʻole ka chert, nā ʻonika hematite, nā pōhaku abrasive paʻakikī, i hoʻopaʻa maikaʻi ʻia e like me: nā one one me ka mea hoʻopaʻa quartz, nā dolomites, nā shales quartzite, ka magma a me nā pōhaku metamorphic coarse grained.