He aha te Drilling Reverse Current?

Ngā Kaupapa Taketake o te Keri Hurihanga Whakamuri

Ehara i te mea hou te keri anga whakapae. Neke atu i te 8,000 tau ki muri i keri ai te tangata i ngā puna mō te wai o raro i te mata i ngā wāhi wera me te maroke, engari kāore i rite ki tā tātou e mahi nei i ēnei rā mā te whakamahi i ngā mata PDC me ngā motuka paru.

He tini ngā mea hei whakaaroaro māu i te wā e whiriwhiri ana i tētahi tikanga keri. He pono rawa tēnei kōrero ina keri ana koe mō te tūhura, mō te whakahaere papa rānei. Ko te nuinga o ngā kaimahi kirimana me ngā miihini hinu e whiriwhiri ana i te keri hurihuri whakamuri nā te mea he maha ngā painga ka puta mai i ētahi atu tikanga keri.

I mua i te whakamārama i ngā painga o te keri hurihuri whakamuri, me whakamārama tātou he aha te mea nei hei āwhina i a koe kia mārama ake.

Te Keri Tohanga1
Te Keri Whakamuri (2)
Te Keri Whakamuri (1)

He aha te keri hurihuri whakamuri?

Ko te keri hurihuri whakamuri he tikanga keri e whakamahi ana i te ngā moka PDC tohanga whakamuri, me ngā tokotoko he pakitara takirua hei whakatutuki i te keri me te kohikohi tauira. He ngongo o roto kei te pakitara o waho e taea ai te kawe i ngā tapahi ki te mata i te haere tonu o te tukanga keri.

Ka taea tonu te tāpiri i ngā whakapuare kōhao ki te tohanga whakamuri, engari he rerekē tēnei i te keri taimana nā te mea ka kohia ngā tapahi toka, kaua ki te matua toka. Ka whakamahia e te keri ngā mata tohanga whakamuri motuhake e peia ana e te piston tauhohe hau, e te hama rānei.

He mea hanga ēnei mata keri hurihuri whakamuri ki te tungsten, ki te maitai, ki te whakakotahitanga rānei o ngā mea e rua nā te mea he kaha ki te tapahi me te kuru i te toka tino mārō. Mā roto i ana nekehanga piston, ka taea e te hama te tango i te toka kuru, ka haria ki te mata e te hau kōpeke. Ka pupuhi te hau ki raro i te porowhita. Ka hangaia he nekehanga pēhanga ka hua ake he hurihuri whakamuri, ka haria ngā tapahi ki runga i te ngongo.

He mea tino pai te keri tohanga whakamuri mō te kohi kohao o raro whenua mō te tātari paparanga me ngā kaupapa hangarau turanga.

Nā te mea kua mōhio koe he aha te mea nei, me titiro tātou ki ētahi o ngā painga o te keri hurihuri whakamuri.

He whai hua mō te tiki tauira kore poke

Mā te keri hurihuri whakamuri ka kore e horapa te poke o ngā tapanga toka ina haria ki te mata, nā te mea ka haere ngā tapanga mā roto i tētahi ngongo o roto kua kati me te kotahi noa te pūaha i te mata e kohia ai te tauira. Nō reira, ka taea e koe te kohi i te tini o ngā tauira kounga teitei hei tātari.

Ngā Reiti Whakauru Whakamiharo

He kaha ake ngā mata porowhita whakamuri motuhake i ngā mata whakaoti noa nā te mea he mea hanga ki te tungsten-maitai ngā pito. He tere ake te mahi a ngā wiri porowhita whakamuri, ā, he tere tonu te tango mai i ngā tapahi. Ko te tere o te whakahokinga mai o ngā tapahi ki te mata ka taea te tiro ngāwari ki te 250 mita ia hekona.

Te Whānuitanga i roto i ngā Āhuatanga Kino

Ehara te keri hurihuri whakamuri i te mahi uaua, ā, kāore e hiahiatia he nui o te wai. Nā tēnei āhuatanga ka pai te keri hurihuri whakamuri ahakoa i ngā wāhi kāore e nui te wai pērā i te tuawhenua nui, i ngā wāhi maroke rānei.

He iti ake te utu

He tino whai hua te keri hurihuri whakamuri, inā koa ki te whakataurite ki te keri taimana. Ehara i te mea nā te iti o te utu whakahaere anake, engari nā te poto hoki o te wā e pau ana ki te whakaoti i te keri. I te nuinga, ka taea e te keri hurihuri whakamuri te utu tae atu ki te 40% te iti iho i te keri tikanga. Mena kei te keri koe i ngā rohe he whenua taratara, ka taea e te utu te piki rua.

Te Whakawhiti Whakamuri mō te Whakahaere Āhua

He mea tino nui te kounga o ngā tauira i riro mai i roto i tētahi kaupapa tūhuratanga hei whakahaere i te whakamahere maina tika, hei whakatakotoranga rānei i ngā mea pahū. Ko te whakahaere i te taumata te mea e whakamahia ana hei tautuhi i ngā poraka me ngā taumata o te konganuku. He pai te keri hurihuri whakamuri mō te whakahaere i te taumata nā te mea:

  • He iti ake te whakahaere e hiahiatia ana i ērā atu tikanga
  • Kāore he poke i roto i ngā tauira i riro mai
  • Te tere ake o te wā hurihanga
  • Ka taea te kawe tika i ngā tauira kua kohia ki te taiwhanga hei tātaritanga

Ko te mea tino nui o tētahi mahi keri hurihuri whakamuri ko ngā tapahi tauira. He maha ngā tikanga ka taea te whakamahi hei whakaora i ngā tauira, engari ko te whāinga matua ko te tiki i te nui o ngā tauira kounga teitei i roto i te wā poto rawa.

Mena kei te hiahia koe ki tētahi ratonga keri hurihuri whakamuri, kia mahara ki te rapu i ngā tohunga whai raihana anake e mōhio ana ki te mahi keri hurihuri whakamuri, ā, e mōhio ana ki ngā tikanga rerekē. Me tono kia whakamahia e rātou he kounga teitei kua whakamanahia.ngā moka PDC tohanga whakamurihei karo i ngā whakaroa e puta mai ana i te pakaru o ngā mata wiri. Hei whakamutunga, me whakarite kia tutuki te tukanga keri i ngā paerewa taiao kua whakaritea.


Wā tuku: Maehe-28-2023