API 5CT Carbon Steel Drilling Pipe no nā papahana wili

ʻO ka paipu wili i hoʻohana ʻia e hoʻopili i nā mea ʻili o ka wili wili i ka mea wili a i ʻole nā ​​mea wili, ʻo ia ka paipu kila me nā wēlau wili, e hana pū ana hoʻi i ka hoʻopili ʻana i nā mea hana lua lalo o ka wili.Hoʻokaʻawale ʻia ka paipu wili i kelly, pipe drill a me ka pipe drill kaumaha.Hiki mai nā Pipes Drill Steel ma nā ʻano nui, ikaika, a me ka mānoanoa o ka pā, akā ʻo 27 a 32 kapuaʻi ka lōʻihi (Range 2).ʻOi aku ka lōʻihi, a hiki i 45 kapuaʻi, aia (Range 3).

ʻO ka Drill collar ka ʻāpana nui o ka mea hana drill haʻahaʻa, hana ʻia ma lalo o ke kaula drill.ʻOi aku ka mānoanoa o ke kola drill, a ʻoi aku hoʻi ka ʻumekaumaha a me ka rigidity.No ka hoʻomaikaʻi ʻana i ka hana kuʻi ʻana, ʻo ka hoʻomaʻamaʻa ʻana i nā ʻāpana ʻeleʻele a me nā ʻūhā paheʻe ma ka ʻili o waho o ke kaula i loko o ke kola drill he koho maikaʻi.ʻO nā kola wiliwili wiliwili, nā kola drill integral.a ʻo nā kola drill non-magnetic nā kola drill nui ma ka mākeke.