2022-11-22Loaʻa i ka tungsten carbide nā waiwai maikaʻi me ka paʻakikī kiʻekiʻe, ke kūpaʻa wela, ka pale ʻana, ka ikaika, a me ka paʻakikī. Hoʻohana nui ʻia nā ʻāpana tungsten carbide i ka hoʻoheheʻe ʻana i ka wai, scour, sealing a me nā manaʻo hōʻailona pulse a pēlā aku o MWD & LWD, e like me ka Poppet Tip, lalo Sleeve, kahe palena keʻena, noho, nozzle, poppet valve, pāpale ihu, rotor, stator a pela aku.
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