ʻO ka ʻāpana pōhaku PDC 5 1/2 ʻīniha 139.7mm S1605 3 1/2 REG no ka ʻeli ʻana i ka luawai ʻaila hohonu

ʻOi aku ka maikaʻi o nā ʻāpana pōhaku PDC i ka ʻeli ʻana i ka lua wai ʻaila me nā mea ʻoki daimana polycrystalline paʻa, e hōʻoiaʻiʻo ana i ke kūpaʻa kiʻekiʻe a me ke ola lawelawe lōʻihi. Hāʻawi lākou i ka komo wikiwiki ʻana i nā ʻano palupalu a waena-paʻakikī, e hōʻemi ana i ka manawa ʻeli a me nā kumukūʻai. Me ke kūpaʻa ikaika a me ka hana paʻa, hoʻololi lākou i ka geology paʻakikī, hana i nā lua wai maʻemaʻe, a hōʻemi i ka manawa downtime. Hoʻonui kēia mau ʻāpana i ka pono o ka ʻeli ʻana, ka hilinaʻi, a me nā pono waiwai no nā hana aila.