Hale hana API o ka tricone drill bit tender no ka lua ʻaila a me ke kinoea

ʻO ke anawaena o ka ʻāpana Tricone mai 3 7/8" a i 36" me ke code IADC mai IADC127 a i IADC837.
Loaʻa iā mākou ka waihona lawa no nā code IADC āpau a me ke kumu hoʻohālike. Hiki ke hoʻohana ʻia no ka luawai wai, ka ʻeli ʻaila a me ke kinoea a pēlā aku.
Hāpai:ʻO ka O-ring i hoʻopaʻa ʻia i ka Journal Bearing Bit
Hoʻokumu noi: Palupalu waena me ka ikaika compressive haʻahaʻa a me nā kaula stringers abrasive paʻakikī, e like me ka shale paʻakikī, gypsolyte paʻakikī, ka pōhaku lepo palupalu, ka pōhaku one a me ka dolomite me nā kaula stringers, a pēlā aku.
ʻAno ʻoki:Hoʻohui ʻia nā compacts scoop crested offset ma ka lālani o loko, nā compacts wedge ma ka lālani o waho, ka hoʻonohonoho compacts i hoʻokaʻawale ʻia, a me ka lālani o nā mea ʻokiʻoki ma waena o ka lālani gauge a me ka lālani kuʻekuʻe wāwae.