ʻO ka hale hana API o ka bit PDC no ka wili ʻana i ka waiwai

Kūʻai nui API 8 1/2 iniha kino kila PDC drill bits S136 no ka ʻaila luawai ma ka waihona mai Kina OEM hale hana.
Hoʻolālā ʻia no ka ROP kiʻekiʻe i ka ʻeli ʻana i nā pōhaku hohonu a me ka paʻakikī paʻakikī, ʻo nā pahu drill PDC e hoʻomaʻamaʻa mau mai ka ʻāina a i lalo pololei me ka ʻole o ka hoʻololi ʻana i kahi pahu drill ʻē aʻe, mālama ia i ka wili nui a me ka uku hana.
ʻOkoʻa mai nā tricone bits, pono nā PDC drill bits i ka WOB haʻahaʻa akā ʻoi aku ka kiʻekiʻe o ka RPM, no laila e hana mau me ka mīkini lepo e kiʻi i ka wikiwiki o ka huli ʻana.
ʻO ka maikaʻi o ka PDC drill bits e hilinaʻi nui ʻia i ka maikaʻi o nā mea ʻoki PDC, hāʻawi mākou i kahi hopena kūʻokoʻa e like me ke koi kikoʻī a me ka ʻike kikoʻī kikoʻī.