Hoʻolālā ʻia kā mākou mea hoʻoheheʻe kiʻekiʻe no ka hana kiʻekiʻe a me ka hana maikaʻi loa i ke koi ʻana i nā hana wili. Kūkulu ʻia me ka ʻenehana kiʻekiʻe, e hōʻoia i ka mana hohonu o ka wili ʻana a me ka hoʻonui ʻana i ka huahana. Aia nā hiʻohiʻona nui:
ʻO kēia rig drilling ka hopena hope loa no ka hana ʻana i nā hana wili, palekana, a me ke kumu kūʻai, e hāʻawi ana i ka hana ʻoi aku ka maikaʻi ma waena o nā ʻano ʻāina a me nā hohonu hohonu.
ʻO ka rig rig he ʻano nui a me ka mechanical i hoʻohana ʻia no ka ʻeli ʻana i nā lua ma ka lepo e unuhi i nā kumuwaiwai kūlohelohe e like me ka aila, gas, a i ʻole ka ikehu geothermal, a i ʻole no nā noi ʻē aʻe e like me nā pūnāwai wai a me nā papahana kūkulu. Hoʻolako ʻia ka rig me nā ʻano mea hana like ʻole a me nā mea hana e hana pū ai no ka hoʻoulu hohonu ʻana i ka ʻili honua. ʻO ke kaʻina hana ka hoʻohana ʻana i ka bit drill rotating no ka uhaki ʻana i nā ʻano pōhaku, ʻoiai ke kaʻapuni ʻana o nā ʻōpala a me nā ʻōnaehana i nā wai hoʻoheheʻe (ʻike ʻia ʻo "mud") e hoʻomaʻalili i ka bit, wehe i nā ʻōpala, a hoʻopaʻa i ka pūnāwai. Ma muli o ka hohonu a me ke ʻano o nā kumuwaiwai e ʻimi ʻia nei, hiki i ka rig ke hoʻokomo i nā hiʻohiʻona holomua e like me nā ʻōnaehana hoʻokele automated, nā mea pale puhi no ka palekana, a me nā ʻano hana palekana e pale ai i ka poʻe holo moku. ʻO ka mea nui, he ʻāpana koʻikoʻi ka rig drilling i ka ʻimi ʻana a me ka hana ʻana o ka ikehu a me nā kumuwaiwai kūlohelohe.