Wheketere API o ngā moka kōne roera toka IADC437 8.5″ mō te keri

Te wheketere API o ngā mata kōne roera toka IADC437 8.5″ mō te keri Whakaahua Matua

Ingoa Waitohu:	Te Rawhiti Tawhiti
Tiwhikete:	API me te ISO
Tauira Tau:	IADC437G
Te rahinga iti rawa o te ota:	1 wahi
Ngā Taipitopito mōkihi:	Pouaka Papariki
Wā Tukunga:	5-8 ngā rā mahi
Painga:	Te Mahi Tere Teitei
Te Wā Pūtāhui:	3-5 tau
Taupānga:	Hinu, Hau, Geothermy, Keri puna wai, HDD, Keri maina

Tukua mai he īmēra ki a mātou

Taipitopito Hua

Ataata e pā ana

Putumōhio

Whakaahuatanga Hua

Ko te Mata Wiri TCI Hiri Mata-Metara IADC437 8 1/2" (215mm, 216mm rānei) he mea hanga mō te keri poka hanganga ngohengohe.
He rahi noa te 1>8 1/2" (215mm, 216mm rānei) mō te keri poka hohonu pērā i te keri poka hinu me te hau, ā, he rahi noa anō hoki mō te keri poka pairati whakapae.
Ko te hononga miro he 4 1/2 API REG PIN.

Whakatakotoranga Hua

Whakatakotoranga Taketake
Rahi o te Mata Toka	8.5 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 437G
Momo Peera	Peera Hiri-Hautaka me te Tiakitanga Ine
Hiri Whero	Elastomer/Rapa
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.