Kumukūʻai hale hana IADC635 9 7/8 ʻīniha 250.8mm pōhaku wili maka no nā ʻano pōhaku paʻakikī i loko o ka waihona

Ke kuhi nei i ke keleawe, ka hao, ke gula, nā lua lanahu! Ke hakakā nei kāu ʻāpana tricone rotary me ka ʻaʻahu ʻole, ka pono o ka ʻeli haʻahaʻa, a i ʻole ka hana paʻa ʻole? ʻO kā mākou ʻāpana IADC635 9 7/8” (250.8mm) e wāwahi i kēia mau wahi ʻeha—nā mea hoʻokomo paʻakikī loa no ka lōʻihi loa, ka hoʻolālā i hoʻonohonoho pono ʻia no ka komo wikiwiki ʻana, a me ka hana hilinaʻi i nā ʻano paʻakikī. Hoʻonui i ka huahana, hōʻemi i ka manawa downtime, hōʻemi i nā kumukūʻai. Kaomi i kēia manawa e hoʻokiʻekiʻe i kāu pāʻani ʻeli!