Te wheketere API tricone o te mata keri hau mō te puna toka mārō

Te rahi o te mata kohatu:	8 1/2 inihi
Tiwhikete:	API me te ISO me te SGS
Tauira Tau:	IADC437G
Peera Hiri:	Peera hiri whakarewa
Rauemi:	Te maitai konupora teitei
WOB:	0.35-0.95(KN/mm)
RPM:	140-60(r/min)
Wā Pūtāhui	3 tau
Te hanganga e tika ana:	Te kirikiri, te uku, te kirikiri me te konupūmā, me ētahi atu

Tukua mai he īmēra ki a mātou

Taipitopito Hua

Ataata e pā ana

Putumōhio

Whakaahuatanga Hua

Ngā mata keri toka tricone hau maori API rarawe me te peera hiri mata whakarewa mai i te wheketere Haina.
IADC: 437 he mata pere hiri TCI me te tiaki ine mō ngā hanganga ngohengohe me te kaha pēhi iti me te kaha keri teitei.
Ko ngā mea e whakawhāitihia ana koia ēnei:
65-85 MPA
9,000-12,000 PSI
Ka taea e mātou te tuku atu i ngā mata tricone o ngā rahi rerekē (mai i te 3" ki te 26") mete nuinga o ngā waehere IADC.
Ko ngā raruraru matawhenua hangarau hau matua o te keri poka hohonu (te pēhanga hanganga rerekē, te kore pumau o te pakitara taha, te piko taiao o te hanganga me te kino o te puna wai, me ētahi atu) me ōna āhuatanga, te aukati, me te maimoatanga, ko ngā raruraru matawhenua hangarau keri te nuinga.
I roto i te hoahoa me te hanganga o te poka keri, te tātaritanga raruraru whenua me te aromatawai whai muri i te miihini keri poka, inā koa ki te aro atu ki ngā pēhanga e whā (te pēhanga hanganga me te pēhanga hinga, te pēhanga turuturu me te pēhanga pou wai keri), he mea nui kia whakapai ake i te kounga hoahoa, kia tutuki ai te taurangi taketake o te keri haumaru me te maeneene.

Whakatakotoranga Hua

Whakatakotoranga Taketake
Rahi o te Mata Toka	8 1/2 inihi
Rahi o te Mata Toka	215.90 mm
Momo Moka	TCI Tricone Bit
Hononga Miro	4 1/2 API REG PIN
Waehere IADC	IADC 417G
Momo Peera	Peera Hiri-Hautaka me te Tiakitanga Ine
Hiri Whero	Kua hiritia te mata whakarewa
Te Tiaki Rekereke	Kei te wātea
Te Tiaki i te Hiku o te Hāte	Kei te wātea
Momo Whakawhitiwhiti	Te Tohanga o te Paru
Āhua o te Keri	Keri hurihuri, keri pāmahana teitei, keri hohonu, keri motuka
Te Tatau o ngā Niho Katoa	80
Te Tatau o ngā Niho o te Rārangi Gage	33
Te maha o ngā rarangi ine	3
Te maha o ngā rarangi o roto	7
Koki Rārangi	33°
Whakakorenga	8
Ngā Tawhā Whakahaere
WOB (Taumaha i runga i te Momo)	17,077-49,883 pauna
WOB (Taumaha i runga i te Momo)	76-222KN
RPM(r/min)	300~60
Taipana o runga e taunakitia ana	16.3-21.7KN.M
Te hanganga	He hanganga ngohengohe, he iti te ātete ki te kuru, he teitei hoki te āheinga ki te keri.

Ko ngā mata keri toka 8 1/2 inihi te IADC437 mō te keri poka i ngā hanganga ngohengohe.
Mō te keri poka hohonu rawa, ka tūtohu mātou i ngā mata tricone hiri-mata-konganuku mō te hohonutanga o te keri neke atu i te 1000 mita. Mō te keri poka mārō me te keri poka tawhiti kore-awa e neke atu ana i te 300 mita te roa, ka tūtohu anō mātou i ngā mata tricone hiri-mata-konganuku.
Te keri i te Rawhiti ki tawhitihe 15 tau te roa, ā, neke atu i te 30 whenua te wheako ratonga ki te whakarato i tengā mata keri me ngā wairua keri matatau mō ngā tono maha.Ko te tono tae atu ki te mara hinu, te hau māori, te tūhuratanga whenua, te keri hohonu, te keri puna wai, Ka taea te whakarite i ngā momo mata keri kia rite ki ngā hanganga toka rerekē nā te mea kua whiwhi mātou i te tiwhikete oAPI me te ISOmō ngā moka tricone me te moka PDC.
Ka taea e mātou te tuku i te otinga a tā mātou miihini ina taea e koe te whakarato i ngā āhuatanga motuhake, pēnei i te pakeke o ngā toka,ngā momo taputapu keri, te tere hurihuri, te taumaha o te mata me te taipana.