Umu DTH me ngā Pūtahi: Ngā Whakamāramatanga Tūranga Moana mō te Wehewehe Nui

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Ngā Kāwai Katoa

pū kaiwhakarato dth me ngā bit

Nā ngā pū kaiwhakaroto (Down-the-Hole - DTH) me ngā pūtē e whai āheitanga ana i te tāngata whakamātau, ka whakamahi i ngā rautaki whakaroto e hāngai ana ki ngā whenua o te haere paihere, hanga, me ngā rōpū whakamātau. Nā ēnei raraunga matatika e whakakotahi ana i te pakipiki me te whakaheke i te take hei whakapakari i te whakawhiti i ngā tahuhu kō whatitiri. Ko ngā take o te rautaki ko ngā take matua e rua: ko te pū e whakapakari ana i te take pakipiki, ko te pūtē e tū tonu ana ki te mata o te kō whatitiri. E whakamahi ana ngā pū DTH i te hā mōkai hei whakahaere i te pihinga e pā ana ki te pūtē, e hanga ai te take whiu e hiahiatia nei mo te whakaroto. Ko ngā pūtē, e kitea ana i te tungsten carbide me te toko nui o te āporo, ko ngā patu pūnui e hanga ana hei whakapakari i te noho whakaroto me te whakatutuki i te wehe. Ko ngā rautaki hou o ngā pū DTH me ngā pūtē e whakauru ana i ngā take hirahira, pērā i ngā rīpo hā mōkai whakahirahira mo te whakamana i te wehe, ngā take patu pūnui whakahirahira mo te whakapakari i te take whakawhiti, me ngā momo matua whakatakoto huarahi mo te take whakatutuki ake. Kei te whiwhi pai ēnei rautaki i ngā mahi e hiahia ana ki ngā poitoi roa me ngā take torowāhi, inahea, ko te whakaroto pūnui, te whakaroto pūtake, me te whakamātau geothermal. Kei te whakapai ake te hunga whakamātau mō ngā pū DTH me ngā pūtē, kei te whakapakari ake ngā kaiwhakauru i ngā take me ngā momo hei whakapai i te mahi, te tūmanako, me te paihere moni.

Mōhiohanga Hou

Nā ngā pū kaiwhakatangitanga DTH me ngā pū tirohanga e whiwhi ana i te maha o ngā pai me ngā hiranga e hiahiatia nei, ka mahi hei āhua matua mo ngā mahi tirotiro. Tuatahi, ka tukua e rātou i te haerenga tirotiro matua i waenganui i ngā take whitiwhiti raraunga nō runga i ngā whenua kohatu nui. Ko tēnei whanonga tino pai he tikanga whakaiti i ngā wā o te kaupapa me ngā utu mahi iti ake. Ki te taea e ngā whakahaere DTH nei te tirotiro pūtake roa, ka noho tika te ara tirotiro, ka whakaiti i te wehearo me te whakapai i te pai o te pūtake tirotiro i tango ai. Ka whakaatuhia anō hoki e ēnei pū te whakarite ki ngā take whenua e rerekē ana, mai i te kapurangi maero ki te kapurangi kiko nui rawa. Ki te horopaki i ngā pū kaiwhakatangitanga me ngā pū tirohanga DTH, ka puta he kawe haumanu pai, e hīkohia ana te maha o te kaha katoa ki te mahi tirotiro pai. Ka whiwhi te hunga whakamahi i te iti rawa atu o te kaiwhakatangi me te iti rawa atu hoki o te wehe i ngā whatu tautoko. Ko te whakawehenga pūnaha whitiwhiti me te pūnaha pakoti ka tae ki te whakaeae i te wehearo i waenganui i ngā pū pūtake, ka whakapuakitia te wā o te whakamutunga me te whakapai i te whakahokia moni. Pērā hoki, ko te pūnaha hāngai ka taea te tirotiro pai o te pūtake, ka whakamana te tirotiro pai i te kore rawa o te whakapakoko i ngā kaiwhakatangitanga, me te whakamahia i te tirotiro pai tino pai. Nō reira, ka whakaae te hanga tirohanga DTH me ngā pū tirohanga ki te whakariterite i ngā mahi tirotiro, ka whakaiti i te wā o te whakatikatika me te whakarerekē pūnaha, ka whakaiti hoki i te wā kore mahi, ka whakapai i te mahi. Ko te hanga taurite ka taea te whakapono i te mahi i ngā taiao tino hē ki te whakarite i te pū ki ngā tono ā-waha. Ko ēnei pai me ngā hiranga ka mahi hei whakapono mō ngā pū kaiwhakatangitanga DTH me ngā pū tirohanga hei whakamahi mō ngā tohunga e hiahia ana ki te whakamahi i ngā ratonga tirotiro pai, tino whakapono, me te iti i ngā utu.

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pū kaiwhakarato dth me ngā bit

Rārangi Whakawhiti Hau Matua

Rārangi Whakawhiti Hau Matua

Te rārangi whakawhiti hau matua āhua hou i ngā pū kaiwhiu me ngā kōnui DTH o nāianei he tūmomo whakahaere mōhiohio nui i te taurite i te mahi whiu. Ko tēnei rārangi matatini ka whakapai i te wāhi kuhu mai o te hau whiu e taea ana te whakahokia i te take ki te kotahi, ka taka tonu ki ngā āhuatanga pai rawa o te whakamahinga o ngā rua. Ko ngā ara hau e whakatupu ana i te hau whiu ki te wāhi e hiahiatia ana, ka whakamahia hei whakatū i te kōpuke, ahakoa ko tana mahi tuatahitanga he whakatika i ngā parae mai i te taha raro o te rua. Ko tēnei mahi e rua ka tohe ki te whakarerekē i ngā kōnui i whakamahia nei, ka whakamahia te taurite pai rawa i te haere o te whiu, me te whakaiti i te kaiwhiu herehere i runga i ngā kōnui. Ko te rārangi ka tae atu ki ngā waehanga hokohoko e whakatupu ana i te hāpai pai o te hau whakangao, ka whakatetonga pai rawa i ngā kōnui whiu i raro i te rua. Ko tēnei whakahaere pai hau e āhei ana ki te whakamahi i te wā moe pai, ka whakapuakitia te oranga o te rautaki, me te whakapai i te mahi whiu whānui.
Whakariterite Pū Kōnui

Whakariterite Pū Kōnui

Ko te whakariterite taonga i runga i nga DTH bits he whakaaturanga i ngā tau o rongoa me te whakamahere i te hunga tirohanga papa. He tirotiro nui ki ia taonga, ki tana matatau, me tana hanganga hei whiwhi i te hiranga pai rawa o te kawe i te papa, ahakoa ko te whakaeke pai rawa i te wehi. Ko te whakaritenga e pa ana ki nga taonga waho mo te mahi kutu matua, me nga taonga takirua ki te whakamana i te whanui o te rua. Nga hanga taonga matua he whakauru i nga take ahuatanga e pai ana ki te whakaputu i te papa, me te iti i te mate i te materia o te carbide. Ko te whakariterite o te tungsten carbide o enei taonga he whakaae pai ki te whakarite i te tomo me te whanuitanga, hei whai hua pai i te whakaea i te wehi, ahakoa kaore i kitea i te pakaru. Ka whakangungu anō tenei whakariterite taonga ki te whakahaere pai i te tahua o nga kutunga kawe, hei whakamutu i te tahua materiale e taea ana te whakamomori i te mahi kawe. Ko te hua he hunga kawe e mau tonu ana i tana mahi pai i waenganui i tana ao mahi, ahakoa ko te pai rawa o te whanui o te rua.
Nga Ata Tirotiro mo te Tohu Whai Wawatetanga

Nga Ata Tirotiro mo te Tohu Whai Wawatetanga

Kei ngā pū kaiwhakatō DTH ā-rātirati hou me ngā rākau whatumanawa, he maha ngā whakaaweawe tūtonu hei whakapuaki i te roa o te wā kāore i te hokihoki. Ko te material o te tinana i whakangunguhaia e ngā mahi whakarongo āhuarangi kē ki te whakamahi pai i te tuhituhinga o te tomo me te whiuwhiu. Hei tirohanga mo ngā wāhi e kitea nei te warewarenga, kei reira ngā whakangungu tūmatanui ake i runga i te whakatakoto pai o ngā material me ngā momo whakangungu. I hangaia te kākahu whiuwhiu i runga i ngā taihoa whiuwhiu e pai ana ki te whakamahia i ngā wā e kino ana, ā, ko ngā whatumanawa i roto i te ika i whakatauritehua ki te iti iho i ngā whiu me te wareware. Kei ngā rākau whatumanawa he whakamahi pai ake o ngā ara horoi whakamua hei whakahē i te tahuri me te whakamahi pai o te rautaki i te wā e roa ana. E ai ki ēnei whakaaweawe tūtonu, ka iti iho ngā hiahia whakahaere, ka iti iho ngā pakirehua kore whakaaetanga, me te whakatutuki pai i te mahi i ngā wā e whakamātau ana. Ki te whakapae pai te hanga, ka whai huarahi tonu te mahi i runga i ngā tikanga e whai take ana, ā, ka noho he kohanga pai rawa mō ngā mahi whakatō i te whenua.