Ko ngā pātītī DTH, te whakamahi hoki i ngā pātītī 'Down-The-Hole' he taputapu e hiahiatia ana ina huinga noa ana kia pōhuri i ngā kōpua tino pōpō. Kei te whakamahia katoa ēnei taputapu, mai i ngā kōhanga kōura ki ngā wāhi hanga, ā, kei ngā kaupapa hau teitei anō hoki. Ko te āhua o āhua o ēnei pātītī te mea nui ka taea ai e rātou te pakaru i ngā takotoranga kōkiri ki te whakamahi i te pēhi hau, te pēhi hinu rānei. I roto i te pātītī he taputapu patu tōpōtia e patu tūhono ana i te pātītī, ka whakapōpō ake i te whenua. Ko te pono o te mahi a ēnei pātītī he nui te pā ki te kounga o te hanga me ngā taputapu whakamahia. Kei te tāngia e ngā kaihanga kia taea ai e ēnei pātītī te noho tōpōtia haere me te kore e warewaretia tere. Mō ngā kaimahi i ngā wāhi e kore ai ngā taputapu noa e taea te mahi, ko ngā pātītī DTH tonu te whiriwhiri nui, nā te mea e kore ētahi atu e tū ki ngā tikanga pōhuri uaua rite tonu ana.
Kei te hiahiatia te mōhio e hāngai ana ki te whakaeke i ngā wāhi katoa kia pai ai te whakapīroiroi DTH. Ko ngā wāhanga matua he tino mārama ake: ko te kāpua whakapīroiroi ake, ka tū a te pito pīroiroi ki te mutunga, kātahi ka tū te pōro toa roa e mōhiotia ana hei awhi i te kāpua, ā, whakamutua ki te kōmpara mataaho e whakahaere ana i ngā mea katoa. Mā te mōhio ki te awhi kāpua, ka taea e tēnei wāhanga te whakaputu i te huri i te wā kotahi, ā, whakahaere hoki i ngā wai e hiahiatia ana kia pai ai te mahi a te pito DTH. Ina mārama ngā kaimahi ki te tūranga ki te mārama ki te mahi tūturu o ia wāhanga, he nui ake te tūponotia o rātou ki te whai mōhio ki te aha i pakaru ai, i kore ai te tino pai. Mō ngā inijia mara me ngā kaiwhakahaere kaimahi e hiahia ana kia tāwhai i te nui ake i ō rātou taputapu, he nui te whai pānga o te mōhio ki te punaha DTH katoa ki te tere ake i ngā tere tōtika, me te iti ake ngā upoko poka.
Ko ngā karu pūhōu DTH e pai ana ina pā ana ki ngā takotoranga paripari u, ā, ko te whai hua o tēnei he whakaike ake i te rahinga kua pūhōuia i te rā. Ko te hoahoa o ēnei karu ka taea ai te karu i te paripari ki te tere e 25% tere ake i ngā karu huihuinga noa i runga i ngā tātai ā-pātengia i āwhina ai i a mātou. Ko te tere ake o te karu ka arahia ki te iti ake o ngā wā whakautu i waenganui i ngā mahi, ko tēnei he mea nui ina ngā kaupapa e herea ana i ngā wā. Ko ngā kaihāpai ka huri ki te DTH kaua ko te whakamutu i ā rātou mahi i ngā wiki i mua i ngā wā whakamutu i whakatakotoria ai kaua ko te whakaiti i ngā tānaro haumaru, i te ora o ngā taputapu rānei.
Ko ngā karu whirikōtuku DTH e whakaputangia ai ngā tāpirihanga nui ina tautohu ana i ngā utu whakahaere. Ko te ara i hangaia ai ēnei karu ka iti ake te kaiwhakamahi i te kora katoa ka iti ake hoki te pēhanga ki ētahi atu wāhanga o ngā taputapu. Ko te takotoranga tēnei ka iti ake i ngā utu tiaki me ngā utu kora i te tauā. Mō ngā kaiwhakahaere e tōturu ana i ngā mahi whirikōtuku nui, ko te pūtea pū tāpiri ka tū mai i te kaha ake o te mita e whirikōtuku ai i ia tāra kua utua. Ko te āhua nei ka tōturu mātou ngā kaihoko ki ngā karu DTH ina tāutahia ana mō ngā kaupapa nui kei reira ko te tāra kotahi ka tūhono me te iti iho te wā kua tāroa.
Kei te nui ake te whai tikanga o te tika i ngā wā o ngā mahi ruwhakanga, nō reira i wehenga ngā kai ruwhaka DTH mō te āhua o rātou ki te waihanga i ngā kōpū tūmau me ngā inenga tārua. Ko te ara i hangaia ai ēnei kai ruwhaka e āwhina ana i te ruwhaka kia haere tika i te wāhi e tika ana, e iti ai te hiahia ki te whakatika i ngā hapa i muri ake nei, ā, i te tikanga e pai ake ai ngā kaupapa. Mō ngā umanga penei i te tango i te hinu me te kora, kāore i te mea noa iho te tūmata ara i tēnei ara engari he mea nui. Ina ruwhakangia ngā kaupapa tūmata, ka hua pai ake ngā kaupapa mai i ō rātou whakatinanatanga, i te wā kotahi ka noho tū tonu ki ngā tikanga whai hua me te haumaru e whakaaetia ana e te umanga katoa.
Ko te tāpiri i ngā pātene diamanti polycrystalline ki ngā kōpiko pūhoko anō hoki i te roa o te wā e mau ai ēnei taputapu ina hāngai ana ki ngā tikanga whenua uaua. Kāore ngā pātene diamanti i te marino tere tonu ana i ngā mea noa, nō reira ka tū tonu te tapa ake ake ake i mua. Ko te iti ake o ngā whakakapi ka hua ai te nui ake o te kōpiko i te wā e tūhono ai te mutunga o ngā mahi kia whakakapi i ngā kōpiko kua marino. Ko te taputapu ka mātua noho tonu ana i te wā e hiahiatia ana ngā kaimahi tiaki. Nā te mea he pai te here i te pātene PCD ki te pēhi, kua tīmata kē ēnei ki te noho he tīpure hoki mō te hunga e hāngai ana ki te kōpiko pōtata, ina heke ana ki ēnei rārangi paraihe rānei ērā rāpaki pounamu rānei kua whakamāmātia kē ngā kōpiko hōu i te wā poto tērā i mua.
Kua whakapai ake hōu i ngā hoahoa patu kua whakapai ake ai ngā pūnaha DTH kia pai ake te whakahaere i ērā hāngai ana ki ngā whirinakitanga pēhi pāpaku e mōhiotia ana e katoa. Ko ngā putanga hou ka whakapono kia nui ake te kaha o te patu ki te pātī tūturu, arā ka taea hoki e ngā ruwhā te eke pōkeke ake me te whakaputua hoki. Ko te whakapai ake i te tuku kaha ka tāpahi i te roa o te wā e tāngata ana i te mahi kotahi ka pakaru hoki i te utu mō te koraeka i te wā roa mai i te iti ake o te kaha e ngaro ana. Ko ēnei tāpiri ka nui tonu te take ina mahi ana i ngā kaupapa nui e hiahiatia ana ngā whakapakoko pōkeke i te whenua paripari, i te wāhi uaua rānei kei te kore e tino tākotoria ana ngā tikanga ake.
Ko te whakauru i ngā hangarau awhina-kaupapa ki ngā taputapu whirikōtia DTH kua noho hei tikanga noa ēnei rā, arā ko te whai rerekētanga pai ake i ngā putanga me te iti ake ngā hapa e ākonga ai ngā tāngata. Mā ngā pūnaha whai mōhio ki te wā tonu ka taea e ngā kaiwhakahaere te kite i ngā tau whirikōtia matua i te wā e pā ana, kia āwhina i a rātou ki te whiriwhiri i ngā whakataunga tika ake me te whirihau i te tikanga ki te hiahiatia. Kua whakapai ake i ngā whakapai tōrōtia te aronga, kua heke te maha o ngā wā wehenga heke, ā heke tēnei i te kounga o te mahi i te tauawhitinga. Ko te mea e whakapai ai i te awhina-kaupapa ko te ara e hui ai i ngā wāhanga katoa o te mahi, ka tūtohu kia rere tika te katoa, kia kaua e pakaru te rauemi, te hauora rānei i te tikanga.
Ko te whakahaere tino pai i ngā aho pāpaku e iti iho ai ngā whakauru utu nui, ngā whakauru hoki e whakapāhunu ana i ngā kaupapa e āhua herea ai ngā kōtaha. Ina huri ngā kapa mara ki ngā mea pērā i ngā tirohanga rutinā me te tika tūturu i te tīmatanga, ka kitea e rātou ngā hua pai ake mai i ō rātou pāpaku pāpaku, ā, he iti noa ngā wa e pakaru ai. Ko ngā tirohanga whakamutunga e mau ai ngā tohu o te whakamāmā, o ngā raru rānei i mua i te pakaru pono e whakakaha ai i te mutunga tōtara. Ka whakahaerea te punaha katoa tika ake ina tika ngā mea katoa. Ko te tika tūturu i te rōpunga huihuinga he mea hoki. Mā te whai mōhio kei te tō te rāwhe katoa, kei te tata ngā hononga katoa, e ārai ai i ngā haerenga kāore i te hiahiatia ki raro i te whenua. Ko te arotake i ngā āhuatanga iti nei ka tūhono ai ngā whakahaerenga ki te haere tonu, kāore he whakautu noa, ā, ko te mea katoa e hiahia ana te katoa ki te kite i te tūāpapa wāhi pāpaku.
Ko te tikanga pai o te whakahaere i te whakapai ake i te rerekētanga ina huihui ana ki te whiwhi tau maha mai i ngā karu DTH kaua ko te whakakapi tūhono. Ko ngā kaupapa matua ko te whakamātua i ēnei i muri i ia mahi, tirotiro mō ngā tohu wear, me te whakakapi i ngā wāhanga e whakaatu ana i te hinga i mua i te whakamutunga. Ko ngā mahi pāpaku e whakapai ai i te kaha ki te taputapu, nō reira ko te whakapai ake i ngā karu kia pai ake ai ngā hua i ia rā. Anō hoki, ka tāke mai tēnei aronga i te roanga o te wā ka taea te whakatutuki i ngā whāinga o te whakapapa hauora i te tinihanga.
Kei te pono te wāhi papaku e hāngai ana ki ngā mea pūhanga pērā i ngā kōpaki wai āpōpō me ngā rūma huna e nui ana mō ngā whakauru papaku roa. Ina mōhio ngā kaiwhakauru i te momo kōhatu tika e noho ana i tētahi tūāpapa, ka whiriwhiri i ngā taputapu tika, ka tautuhi i ā rātou waka tātai. Ko te rerekētanga katoa ina kāore ngā mea e haere ana ki raro i te ture. Ko ngā tāngata anō e whakahaere ana i ēnei waka papaku kua ako mai i te wheako ka tiaki i te wā me te moni te whakauru i te haere. Tirohia noa te rahinga o ngā kaupapa e ngaro ana nā te kore e whai mōhio te tātari i ngā mahere whenua i te tuatahi. Ko te whakarite tātari tika mā runga i ngā raraunga ā-hokohoko tika e tiaki ai i te katoa ka haere tonu te haere, i te wā e whakatiaki ai i ngā rāwekenga kia kaua e pakaru mai i ngā kaupapa papaku roa.
I te wa i tā Torque Africa 1,019 mita e whakamahi ana i ngā pūnaha Mincon RC, i whakaatu mai i te kaha pono o tēnei hangarau mō te ruwhā i ngā kōpiko hohonu. Ko te ruwhā i ngā wāhi roheke e whanake ana i āna whakapāpaku ake, engari te whakakotahi i ngā taputapu hou o Mincon me te kaimahi tohunga o Torque Africa i whakarua te rerekētanga. I whakatauira tēnei e Torque Africa he pērā tonu te mahi a Mincon, ā, i whakaatu hoki i te āhua o te takotoranga ina kotahi ngā kamupene i te hangarau hōu me te mōhio e pā ana ki te ao. Ngā whakapāpaku i ngā tikanga ruwhā uaua? E āwhina ana i te tōaitanga tika o te auahatanga me te pono ki te tūāpapa.
Ko te angitu o tēnei kaupapa e whakaatu ana i ngā āhuatanga e rite ai ngā pūnaha RC Mincon ki te whai māia i ngā aronga whenua uaua, ā, ina heke ki ngā raru e pā ana ki te wai e uru mai ana ki te whenua. Ko te tiro atu ki te tauira kaupapa he whakaatu i te nui o te whai i ngā taputapu tika, me te whai huarahi tika hei whakahaere. I āwhinaa ngā whiriwhiringa nei ki te angitu kua tākarotia ngā tuanui o mua. Kāore i te kaha noa i te āhua o tēnei āhua, engari he kauwhau tēnei i te whakapono a Torque Africa ki te whakatutuki i ngā kaupapa i te tikanga. Me whakaarotia hoki, kua whakamātau a Mincon i te wā katoa e tō ana te hangarau ki te pēhi, me te whai i te whakapauhere tonu.
Ko te whakahaere i ngā whakauru rereke ki ngā wāhi tawhiti e ako ana i ētahi wāhanga matua mō te tika, ā, he tino nui ina hāere ana i ngā mōhini me te tiaki i te iwi kia mahi pai ai. Ka tīmata a Torque Africa hei tauira, i uru kē rātou ki ētahi atu raruraru i te rapu mōhiotia ai i te wai me te kora, nā te tino tawhiti o ō rātou tūāpapa mai i ngā turangawaenga tuku katoa. Ko ngā wāhinga pēnei i ēnei e whakaatu mai ana i te nuinga o te whai whakaaro me te whakarite i ngā rauemi kia tika ai te whakahaere, me te whakapōkioki i ngā utu, ā, me te whakahaere hui tūhono ai.
Ina mahi ki ngā takiwā pāpaku i ngā wāhi mātāpuna, he nui te whai mōhio ki ngā ture takiwā nō reira he whai pānga ake ki te roa o ngā kaupapa me te utu ina mutu. He mea nui hoki te whakahaere i ngā kaimahi me te whakahaere i ngā take taiao; kaua ko te mea noa i te hiahia, engari he mea whakawhirinaki kia pai ai te haere tonu i te wā o ngā raru nui. Ka taea e Torque Africa te tautohu. Ko ō rātou mahi ā-marae e whakaatu ana i te mea nui o te whakauru tūhono kia kaua e tapokia i ngā wā katoa, me te whakarite hoki i ngā raru e puta ai i te aronga tukatuka. Kāore i te tātari i ēnei mea, ka taea e ngā kaupapa pāpaku anō hoki te wehe kia mutu tangata.
Ko ngā kiru me te whakapāpaku e toa ana hei upoko pango mō te katoa e whakahaere ana i ngā whakauru hohonu mo te wā roa. Ko ngā taputapu whakauru e pakanga ana i ngā takotoranga kōiwi e whaipeke ana i te mātā me te kaha o te hinu, e iti ake ai te tere whakauru i te wā e piki ake ai ngā utu tiaki. Kua kitea e ngā kaimahi ki te mara kātahi ka huri ki ngā taputapu pai ake ka rerekē te rerekētanga. Ko ngā pāpaku karaiti kua whakakīia ki ngā karaihe polycrystalline ko te tino whakapāpaku i te roa o te taputapu. Kei te whakamahi hoki ētahi kamupene i ngā kiriata motuhake i ēnei rāwekenga e iti ai ngā wā kōpōpō me te whakapumau ake i ngā āhua kia māmā ai te whakapāpaku. Ko te putanga? Ko te taputapu e roa ana te wā kia tōtia ai me te whakahaere tūturu tonu i muri i ngā marama ki ngā tikanga kaha. Mō ngā kaihoko e whakahaere ana i ngā kōtaha pāpaku me ngā whakaritenga uaua, ko ēnei whakapai ake i ngā taputapu ko te tino whai hua ka taea e rātou te whakaputu.
He nui te whai tikanga o te aukati i te wai paparorohia kia kaua e tūhono ki ngā tūmau whirikōtia, me te pupuri i te aukati i ngā kirihou i te wā o te whirikōtia pōroto. Ina tāwhai te wai, ka pōuri ake te tere whirikōtia, ā, ka whakawetia ngā tauira kōhatu, e whakangāroto ana i te āhua o ngā whai whakaaro. Ko te whakahaere taiao pai he whakauru i ngā tikanga pātū, pērā i te whakamahi i ngā tikanga kuhu, me te whiriwhiri i ngā raihe whirikōtia tika. Ko te nuinga o ngā kaiwhirikōti ka whakauru i ā rātou ngāwai ki ngā mea pērā i te miriro toa, kia kaua ai te rāpoka, ā, ka hangaia he taumata here kia aukati i te wai kāore i te hiahiatia. Mā te whakakotahi i ēnei kuhu ki ngā raihe whirikōtia kaha, kāore hoki e pāngia, ka iti ake te raru o te kirihou o ngā tauira. Kei te tiaki tēnei i ngā tauira anō hoki, me te whenua e noho ana i te taha, kia kaua ngā raihe kimikimi e pakaru. Ka awhina tēnei katoa i te pupuri i ngā hua whirikōtia horohoro, ā, ka tū tonu hoki ki ngā here katoa e whai ana te ture mō te whakamarumaru taiao.
Ki te whakamahi i ngā herenga me ngā take wai o raro, ka tēre ake ngā tono whakahaere mō ngā whakahaere waehu hokohoko, e hīnati ana i ngā whakangungu hou hei tautoko i ngā kuhu hoki e pā ana ki ngā take matatika.
Ko te karu kuhu DTH (Down-The-Hole) he taputapu āhuarangi e whakamahi ana mō te kuhu i ngā waewae roa, e kuhu ana i ngā whenua kōngenge me ngā rārangi pneumatic rānei ko hydraulic.
Ko ngā paunga nui o te tuhinga he waenganui whakamahere, he mate iti i ngā moni mahi, me te pai rawa o te tohu tūpono me te tino.
Ka whai ngā hapa pūkōrero i te pai me te āhua o te noho, ka heke i te wā o ngā whakarītanga huataki, ka whakatīmata i te wā o te haere tonu mai i te tūranga.
Kei roto i ngā whakawai hou nei ngā hoahoa pūhiko matua, te whakauru o te āhua matihiko, me te whakamahi i ngā raraunga whakaaturanga i waenganui i ngā hāpori tohunga.
Ka taea te iti i ngā whakamomori ā-wāhine me te whakamahi i ngā waihua kuhuawe e noho ana me ngā momo hanga whakamau mai hoki kia kaua e kino te one, te wai.
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