8 1/2 'īniha kino kila PDC Drill Bits S136 no ka ʻaila luawai

Hoʻolālā ʻia no ka ROP kiʻekiʻe ma ka ʻeli ʻana i nā pōhaku hohonu a me ka paʻakikī paʻakikī, ʻo nā pahu drill PDC e hoʻomaʻamaʻa mau mai ka ʻāina a lalo pololei me ka ʻole o ka hoʻololi ʻana i kahi drill bit 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 ka hopena kūʻokoʻa e like me ke koi kikoʻī a me ka ʻike kikoʻī kikoʻī.
E kelepona mai iā mākou no ka loaʻa ʻana o ka ʻike hou aku.