Phala ea Seqhoa sa Hole

Tlhaloso e Khutšoanyane:

DTH drill rod/peipi ea ho phunya khatello e phahameng bakeng sa ho chekoa, ho cheka seliba sa metsi, ho rafa

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Pipe ea ho phunya ke phala ea tšepe e matla haholo e sebelisoang ha ho cheka.Ho itšetlehile ka mokhoa oa ho phunya le morero oa ho phunya, liphaephe li na le botenya le bolelele bo fapaneng, 'me bolelele bo tloaelehileng ke limithara tse 3-10.Liphaephe tsa ho phunya li kopantsoe hammoho ka bonngoe ha boro e ntse e ea botebong ba lefika.Hammoho, liphaephe li etsa khoele ea ho phunya, e ka atolosang lik'hilomithara tse 'maloa ho theohela fatše.

Pipe e 'ngoe le e' ngoe ea ho phunya e na le likarolo tse tharo tse kopantsoeng hammoho, karolo e bohareng le likotoana tse peli tsa ho qetela.Karolo ea ho qetela e na le khoele e tona ("pin") kapa e tšehali ("lebokose"), e lumellang ho hokahanngoa ha liphaephe tse peli tsa ho phunya.Mohala oohle oa ho phunya o tlas'a meroalo e phahameng haholo nakong ea ho cheka, 'me khoele e lula e le karolo ea bohlokoa ka ho fetisisa phala e' ngoe le e 'ngoe.Haeba ka lebaka leha e le lefe khoele e tona le e tšehali e sa kopane hantle, khoele e ka 'na ea khaoha 'me u tla lahleheloa ke khoele eohle ea hau ea ho bopa.

Boholo		Boima ba lebitso Lb/ft	Mofuta o baloang oa boima		Botenya ba lebota
ho.	mm	Boima ba lebitso Lb/ft	lb/ft	kg/m	ho.	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