Whakarāpopototanga
Nā ngā āhuatanga utu hinu iti o nāianei kua whakahoutia te aro nui ki te whakapai ake i te keri hei penapena wā ki te keri i ngā puna hinu me te hau, me te whakaiti i ngā utu whakahaere. Ko te whakatauira tere o te urunga (ROP) he taputapu matua ki te whakapai ake i ngā tawhā keri, arā, te taumaha moka me te tere hurihuri mō ngā tukanga keri tere ake. Mā te whakamahi i tētahi taputapu hou, aunoa katoa, whakaaturanga raraunga me te whakatauira ROP i whakawhanakehia i roto i te Excel VBA, ROPPlotter, ka rangahauhia e tēnei mahi te mahi tauira me te pānga o te kaha o te toka ki ngā taunga tauira o ngā tauira PDC Bit ROP rerekē e rua: Hareland and Rampersad (1994) and Motahhari et al. (2010). Ko ēnei e rua Moka PDC Ka whakaritea ngā tauira ki tētahi take turanga, he whanaungatanga whānui ROP i whakawhanakehia e Bingham (1964) i roto i ngā hanganga kirikiri rerekē e toru i te wāhanga poutū o tētahi puna whakapae kirikiri Bakken. Mō te wā tuatahi, kua ngana ki te wehewehe i te pānga o te kaha rerekē o te toka ki ngā tauwehenga tauira ROP mā te tirotiro i ngā hanganga kohatu me ngā tawhā keri rite. Hei tāpiri, ka whakahaerehia he matapakinga whānui mō te hiranga o te whiriwhiri i ngā rohe tauwehenga tauira tika. Ko te kaha toka, i whakaarohia i roto i ngā tauira a Hareland me Motahhari engari kāore i roto i a Bingham, ka hua ake he uara teitei ake o ngā tauwehenga tauira whakarea pumau mō ngā tauira o mua, hei tāpiri atu ki te whakanui ake i te taupū wā RPM mō te tauira a Motahhari. E whakaatuhia ana ko te tauira a Hareland me Rampersad te mea pai rawa atu i roto i ngā tauira e toru me tēnei huinga raraunga. Ka pātaihia te whai huatanga me te whaihua o te whakatauira ROP tuku iho, nā te mea ka whakawhirinaki aua tauira ki tētahi huinga tauwehenga empirika e whakauru ana i te pānga o te maha o ngā āhuatanga keri kāore i whakaarohia i roto i te whakatakotoranga o te tauira, ā, he ahurei ki tētahi hanganga kohatu motuhake.
Kupu Whakataki
Ko ngā mata PDC (Polycrystalline Diamond Compact) te momo mata e whakamahia ana i roto i te keri hinu me te hau i ēnei rā. Ko te mahi mata ka inehia e te tere o te urunga (ROP), he tohu mō te tere o te keri i te puna e pā ana ki te roa o te poka i keria mō ia wā. Ko te arotau keri kei mua i ngā kaupapa a ngā kamupene pūngao mō ngā tekau tau inaianei, ā, ka nui haere te hiranga i roto i te taiao utu hinu iti o nāianei (Hareland and Rampersad, 1994). Ko te taahiraa tuatahi ki te arotau i ngā tawhā keri hei whakaputa i te ROP pai rawa atu ko te whakawhanake i tētahi tauira tika e hono ana i ngā inenga i whiwhihia i te mata ki te tere keri.
He maha ngā tauira ROP kua whakaputaina ki ngā tuhinga, tae atu ki ngā tauira i whakawhanakehia mō tētahi momo moka. Ko ēnei tauira ROP he maha ngā tauwehenga empirika e whakawhirinaki ana ki te lithology, ā, ka raru pea te mārama ki te whanaungatanga i waenga i ngā tawhā keri me te tere o te urunga. Ko te whāinga o tēnei rangahau he tātari i te mahi a te tauira me te urupare a ngā tauwehenga tauira ki ngā raraunga mara me ngā tawhā keri rerekē, inā koa te kaha o te toka, mō ngā tau e rua.Moka PDC ngā tauira (Hareland and Rampersad, 1994, Motahhari et al., 2010). Ka whakaritea hoki ngā taunga me te mahi a te tauira ki tētahi tauira ROP taketake (Bingham, 1964), he whanaungatanga māmā noa iho i whakamahia whānuitia puta noa i te umanga, ā, kei te whakamahia tonutia i tēnei wā. Ka tirotirohia ngā raraunga o te mara keri i roto i ngā hanganga onepū e toru me ngā kaha toka rerekē, ā, ka tatauhia, ka whakatauritea hoki ngā taunga tauira mō ēnei tauira e toru ki a rātou anō. E whakapaetia ana ko ngā taunga mō ngā tauira a Hareland me Motahhari i roto i ia hanganga toka ka horapa atu i ngā taunga tauira a Bingham, nā te mea kāore i te whakaarohia te kaha toka rerekē i roto i te whakatakotoranga whakamutunga. Ka aromatawaihia hoki te mahi a te tauira, ka arahina ki te whiriwhiri i te tauira ROP pai rawa atu mō te rohe o te toka o Bakken i North Dakota.
Ko ngā tauira ROP kei roto i tēnei mahi he whārite pakari e hono ana i ētahi tawhā keri ki te tere keri, ā, kei roto hoki he huinga tauwehenga empirika e whakakotahi ana i te awe o ngā tikanga keri uaua-ki-te-tauira, pērā i te waipēhi, te taunekeneke tapahi-toka, te hoahoa moka, ngā āhuatanga huihuinga raro-poka, te momo paru, me te horoinga poka. Ahakoa kāore ēnei tauira ROP tuku iho e pai te mahi ina whakaritea ki ngā raraunga mara, he mea nui ēnei hei taahiraa ki ngā tikanga whakatauira hou. Ka taea e ngā tauira hou, kaha ake, e hangai ana ki ngā tatauranga me te ngāwari ake te whakapai ake i te tika o te whakatauira ROP. Kua pūrongo a Gandelman (2012) i te whakapainga nui i roto i te whakatauira ROP mā te whakamahi i ngā whatunga io horihori hei utu mō ngā tauira ROP tuku iho i roto i ngā puna hinu i roto i ngā peihana i mua i te tote i waho o Brazil. Ka whakamahia angitu hoki ngā whatunga io horihori mō te matapae ROP i roto i ngā mahi a Bilgesu et al. (1997), Moran et al. (2010) me Esmaeili et al. (2012). Heoi, ko taua whakapainga i roto i te whakatauira ROP ka puta mai i te utu o te whakamaoritanga tauira. Nō reira, kei te whai tikanga tonu ngā tauira ROP tuku iho, ā, he tikanga whai hua hei tātari i te pānga o tētahi tawhā keri ki te tere o te werohanga.
Ko te ROPPlotter, he pūmanawa whakaatu raraunga mara me te whakatauira ROP i whakawhanakehia i roto i te Microsoft Excel VBA (Soares, 2015), e whakamahia ana hei tatau i ngā taunga tauira me te whakatairite i te mahi tauira.
Wā tuku: Hepetema-01-2023