API luawai poʻo IADC117 4 5/8 iniha (117.5mm) no ka rig
Hōʻike huahana
Ma ke kaʻina hana wili, ʻo ka drill bit ka mea hana nui e wāwahi ai i ka pōhaku a ua hoʻokumu ʻia ka luawai e ka drill bit i haki i ka pōhaku. Pehea ka maikaʻi o ka hana ʻana o ka luawai a ʻaʻole pili wale ka lōʻihi o ka manawa i nā hiʻohiʻona o ka pōhaku i ka hoʻokumu ʻia ʻana a me ka hana ʻana o ka drill bit ponoʻī, akā pū kekahi i ke kiʻekiʻe o ka like like ma waena o ka drill bit a me ka hoʻokumu. He kuleana koʻikoʻi ke koho ʻana i nā bit drill i ka hoʻonui ʻana i ka wikiwiki o ka wili ʻana a me ka hōʻemi ʻana i ke kumukūʻai holoʻokoʻa o ka wili.
ʻO ka drill bit kekahi o nā mea hana koʻikoʻi no ka hana ʻaila ʻaila. Inā hoʻololi paha ka drill bit i nā waiwai pōhaku a me kona maikaʻi e pāʻani nui i ke koho ʻana i ka ʻenehana wili, ʻoi aku ka maikaʻi o ka wili ʻana, ka wikiwiki wili a me ke kumukūʻai wili.
Huahana Huahana
Kūlana Kūlana | |
Nui o ka Pōhaku Bit | 4 5/8" |
118 mm | |
ʻAno Bit | Bit Tricone niho hao/ Bit Tricone Milled niho |
Hookui Uila | 2 7/8 API REG PIN |
IADC Code | IADC 117 |
ʻAno Hāpai | Puke Puke |
Sila Kaumaha | Sila Rubber |
Pale Kuʻekuʻe | Loaʻa |
Pale ʻaʻahu | Loaʻa |
ʻAno Kaapuni | Kaapuni lepo |
Kūlana wili | ʻO ka hoʻoheheʻe ʻana i ka Rotary, ka wili kiʻekiʻe kiʻekiʻe, ka wili hohonu, ka wili kaʻa |
Nozzles | Hole Mokuwaena |
Nā ʻāpana hana | |
WOB (kaumaha ma ka bit) | 9,280-19,888 paona |
41.3-89KN | |
RPM(r/min) | 60~180 |
Hoʻokumu | ʻO nā hana palupalu loa me ka ikaika haʻahaʻa haʻahaʻa a me ka drillability kiʻekiʻe, e like me ka pālolo, pōhaku lepo, ʻōpala, etc. |