Ngā moka matua o te roera toka keri taimana API IADC547
Whakaahuatanga Hua
Ngā mata keri kohatu tricone hokohoko rahi me te utu whakaheke mai i te wheketere Haina.
Whakaahuatanga Moka:
IADC: 547 - Mata poroporo hiri TCI me te tiaki ine mō ngā hanganga ngohengohe ki te ngawari waenga me te kaha pēhi iti.
Kaha Whakapūmau:
100-150 MPA
14,500-23,000 PSI
Whakaahuatanga Whenua:
Ngā toka mārō waenga, me ngā toka whakakoi pērā i te onepū me ngā rārangi o te kuata, te kōhatu mārō, te tiēre rānei, ngā konganuku hematite, ngā toka whakakoi mārō, kua pai te whakapiripiri pērā i: ngā onepū me te here kuata, ngā dolomite, ngā kirikiri kuata, te magma me ngā toka matotoru kua memeha.
Ka taea e mātou te tuku atu i ngā mata keri mō te toka tricone i roto i ngā rahi rerekē me te nuinga o ngā waehere IADC.
Whakatakotoranga Hua
He mea tino nui te whiriwhiri i ngā mata keri kohatu tika i mua i te tīmatanga o te kaupapa.
Ka taea e te pakeke o ngā toka te ngohengohe, te pakeke waenga, te pakeke tino pakeke rānei, ka rerekē pea te pakeke o tētahi momo toka, hei tauira, kei roto i te kōhatu papatahi, i te kirikiri kirikiri, te kōhatu papatahi ngohengohe, te kōhatu papatahi waenga me te kōhatu papatahi pakeke, te kirikiri kirikiri waenga me te kirikiri kirikiri pakeke, me ētahi atu.
I roto i te kaupapa keri,Te Rawhiti Tawhitihe 15 tau te roa, ā, neke atu i te 30 whenua te wheako ratonga ki te whakarato i ngā mata keri me ngā wairua keri matatau mō ngā tono maha. Kei roto i te tonote keri waro, te keri parahi, te rino, te kourame ērā atu anō. Ka taea te whakarite i ngā momo mata keri kia rite ki ngā hanganga toka rerekē nā te mea kei a mātou ā mātou akeAPI me te ISOwheketere whaimana o ngā mata keri. Ka taea e mātou te tuku i te otinga a tā mātou miihini ina taea e koe te whakarato i ngā tikanga motuhake, pēnei i tete pakeke o ngā toka, ngā momo taputapu keri, te tere hurihuri, te taumaha o te mata me te taipana.










