Ngongo DTH

Whakaahuatanga Poto:

DTH drill rod/drill pipe pehanga teitei mo te keri, keri poka wai, keri.

Karere Īmēra

Taipitopito Hua

Tohu Hua

Ko te putorino he paipa maitai kaha teitei e whakamahia ana mo te keri.I runga i te tikanga keri me te kaupapa o te keri, he rereke te matotoru me te roa o nga paipa, ko te roa o te nuinga he 3-10 mita.Ka honoa nga paipa drill tetahi ki tetahi i te wa e hohonu haere ana te drill ki roto i te toka.Ka noho tahi nga paipa hei aho wiri, ka taea te toro atu i etahi kiromita ki raro ki te whenua.

Raw Material: Hot rolled seeamless pipe, from BAO STEEL/TPCO/BAO GANG and so on, Tino i runga i nga paerewa e tika ana te tirotiro, na roto i te tipu whakaputa, te tipu tukatuka e rua nga tirotiro, ki te whakarite i te kounga o nga rauemi mata.

whai huaPraihi:Whakararuraru——Te Wehana—-Whakatika—-NDT—-Te Mapu Pee—-Taka.

Rahi		Papatipu ingoa Lb/ft	Momo taumaha kua tatauhia		Te matotoru o te pakitara
i roto.	mm	Papatipu ingoa Lb/ft	lb/ft	kg/m	i roto.	mm
2 3/8	60.3	6.65	6.26	9.32	0.28	7.11
2 7/8	73	10.4	9.72	14.48	0.362	9.19
3 1/2	88.9	9.5	8.81	13.12	0.254	6.45
3 1/2	88.9	13.3	12.31	18.34	0.368	9.35
3 1/2	88.9	15.5	14.63	21.79	0.449	11.4
3 1/2	88.9	15.5	14.63	21.79	0.449	11.4
4	101.6	14	12.93	19.26	0.33	8.38
4 1/2	114.3	13.75	12.24	18.23	0.271	6.88
4 1/2	114.3	16.6	14.98	22.31	0.337	8.56
4 1/2	114.3	20	18.69	27.84	0.43	10.92
5	127	16.25	14.87	22.15	0.296	7.52
5	127	19.5	17.93	26.71	0.362	9.19
5	127	19.5	17.93	26.71	0.362	9.19
5	127	25.6	24.03	35.79	0.5	12.7
5	127	25.6	24.03	35.79	0.5	12.7
5 1/2	139.7	21.90	19.81	29.51	0.361	9.17
5 1/2	139.7	24.70	22.54	33.57	0.415	10.54