Riba:
- Ikon fahimtar ƙirar ra'ayi + sa hannu na geophysical + hanyoyin tabbatar da dabaru da yawa na binciken albarkatu da goyan bayan ƙimar bege na sirri na wucin gadi tare da sanannun rijiyoyi
- Ability don yin la'akari da polysemy ta hanyar rashin la'akari da girman girman girgizar kasa (tabo mai haske) azaman shaida kawai amma tabbatar da shi tare da AVO da bayanan giciye.
- Ikon bincika bambance-bambancen hanyar a matsayin tushen bayanai kuma barin kyakkyawan sakamako na ƙarshe da shawarar saka hannun jari ga mutanen da ke da haɗarin ci.
Babban manufar tattalin arziki da ake iya gani na geophysics shine binciken albarkatun: mai da iskar gas, ma'adinan ƙarfe da masana'antu, makamashin ƙasa da ruwan ƙasa. Wannan binciken yana da tsada kuma yana cike da yanke shawara masu haɗari - rijiya ɗaya miliyoyin daloli ne, manufa ɗaya da ba daidai ba ita ce ɓata kuɗi da lokaci. Binciken albarkatu shine tsarin haɗa hanyoyin geophysical daban-daban don samar da yanke shawara mai yiwuwa game da wanzuwa, wuri da girman albarkatun. A cikin wannan rukunin, za ku koyi yadda basirar wucin gadi (AI) ke ba da ikon tattara bayanai, fifikon manufa da kimanta haɗarin; amma za mu ga dalilin da ya sa ba za a taɓa barin yanke shawarar albarkatun zuwa maki ɗaya na AI ba.
Dabarun bincike na gama gari
Kowane nau'in albarkatu yana amfani da ilimin lissafi daban-daban, amma dabarar bincike ta zama gama gari: an kafa wani tsari na ra'ayi (hasashen yanayin yadda ake samar da albarkatun da kuma inda zai tara), ana neman sa hannun geophysical da wannan samfurin ya annabta, kuma an daidaita shi ta hanyoyi da yawa. AI mai haɓakawa ne a kowace hanyar haɗin yanar gizo a cikin wannan sarkar - sarrafa bayanai, haɓaka fasalin, haɗakar hanyoyi da yawa, martabar manufa. Amma AI ba zai iya gina tsarin ra'ayi ba; yana buƙatar tunanin ilimin ƙasa.
Hanyoyi na yau da kullun ta nau'ikan tushe:
- Hydrocarbon (man / gas): 3D seismic main hanya; amplitude anomalies (haske tabo, AVO - bambancin amplitude tare da biya diyya) ga nauyi / Magnetic basin tsarin.
- Ma'adinai: Magnetic, nauyi, electromagnetic (EM), haifar da polarization (IP - halin caji na ma'adanai), radiometry.
- Geothermal: Magnetotelluric (MT - yankuna masu zafi / masu jujjuyawa), seismic, nauyi, gradient zafin jiki.
- Ruwan ƙasa: ERT, girgizar ƙasa, EM, GPR; domin aquifer (ruwa-hali permeable Layer) iyakoki.
Manufa fifiko tare da AI
Binciken shine aikin zabar mafi kyawun manufa don iyakataccen adadin rijiyoyi daga ɗimbin adadin masu neman takara. AI na iya haɗa nau'ikan bayanai daban-daban (siffar girgizar ƙasa + nauyi + magnetic + geology) da kuma samar da ƙimar ƙima ga kowane ɗan takara; Wannan yana ba da damar ba da fifiko cikin sauri akan faffadan yanki. Duk da haka, wannan maki shawara ce ta yuwuwar, ba garanti ba; kuma binciken da aka koya a baya ta hanyar ƙirar bazai shafi sabon filin ba. Ana karanta makin tare da ƙirar ra'ayi da nazarin haɗari.
Tukwici: Tabbatar da goyan bayan ƙimar begen AI tare da sanannen bincike da busassun rijiyoyi. Idan samfurin ba zai iya bambanta binciken da ya gabata da kyau ba, ƙimar sa akan sabbin maƙasudai shima ba abin dogaro bane. Kyakkyawan samfurin ya kamata ya ci nasara da aka sani sosai kuma sanannen gazawar ƙasa.
Rashin tabbas da haɗari: zuciyar yanke shawarar bincike
A cikin binciken albarkatu, shawarar ba zata taba "e/a'a" ba; Kullum game da yuwuwa ne da haɗari. A cikin hydrocarbon wannan shine haɗuwa da yiwuwar abubuwa kamar tushen / tafki / murfin / tarko / lokaci; Yana da rashin tabbas na ma'adinin ton a cikin ma'adinan. AI yana taimakawa lissafin waɗannan yuwuwar kuma yana haifar da yanayi, amma haɗarin ci da shawarar saka hannun jari na ƙarshe ya ta'allaka ne ga ɗan adam. Hakanan ana amfani da polysemy na geophysics a nan: haɓakar girgizar ƙasa anomaly na iya zama iskar gas, amma kuma yana iya zama canjin lithology ko sarrafa kayan tarihi (kwal, ƙaramin yashi, da sauransu).
Tsanaki: "Tabo mai haske" (high amplitude seismic anomaly) kadai ba shaida ce ta hydrocarbons ba; Ana hako busassun rijiyoyi da yawa zuwa wuri mai haske. Ko da AI ta tuta shi a matsayin manufa, kar a sanya babban tabbaci ba tare da tabbatarwa ta hanyar nazarin AVO, ilimin geology, da sauran hanyoyin ba idan zai yiwu.
Multi-hanyoyi hadewa
Ƙa'idar zinariya ta samo asali: babu wata hanya ɗaya da ta isa. A cikin maƙasudin geothermal, MT low resistivity (rufin yumbu) + nauyi + seismic + alamun saman ana kimanta tare. AI yana da ƙarfi wajen haɗa waɗannan yadudduka cikin taswirar yuwuwar gama gari; amma haɗin gwiwar ƙwararru wanda yayi la'akari da ƙuduri, zurfin da rashin tabbas na kowace hanya yana da mahimmanci. Idan hanyoyin sun yi karo da juna, sabani shine tushen bayanai - ana bincika, ba a ɓoye ba.
uku mini lokuta
Case 1 - Yaƙin neman zaɓe ta hanyar gwajin baya. Kamfanin hakar ma'adinai ya jera maƙasudi 8 bisa ga taswirar fatan sa na AI. Masanin ilimin lissafi ya goyi bayan samfurin akan 5 sanannun ma'adanai da busassun busassun 12 a yankin; Samfurin ya ba da babban maki zuwa 4 na busassun drills. Da zarar an gyara halayen da bayanan horo, taswirar ta zama mafi dacewa da bincike na gaske kuma maƙasudin biyu na farko sun canza.
Case 2 - Tarko mai haske. A cikin juzu'in girgizar ƙasa ɗaya, AI ta yi alamar ƙaƙƙarfan ƙaƙƙarfan anomaly azaman maƙasudin iskar gas. Binciken AVO ya nuna cewa anomaly ya yi daidai da daidaitaccen yashi-kwal, ba gas ba. Idan rijiyar ta hako, sai ta fito a bushe; Duban gaskiya ta hanyoyi da yawa ya ceto miliyoyin daloli.
Case 3 - Juya sabani zuwa bayanai. Yayin da MT a cikin filin geothermal ya nuna yanki mai zafi mai zafi, tsarin girgizar ƙasa bai bayyana ba. Maimakon boye sabani, kungiyar ta binciki shi; Ƙaddamar da cewa ƙudurin girgizar ƙasa ya yi ƙasa sosai a wannan zurfin, MT ya fi dogara, kuma ya kare manufa tare da ƙimar rashin tabbas. Rijiyar ta tabbatar da yankin da za a iya shiga.
Samfura huɗu masu kwafi
1) Samfurin ra'ayi + taswirar hanya:
Matsayinku: masanin ilimin lissafi. Manufar: [hydrocarbon / copperporphyry / geothermal / aquifer]. Ka ba ni taƙaitaccen tsari na ra'ayi na wannan manufa (yadda yake samuwa, inda yake tarawa) da kuma taswirar hanyoyin geophysical za su nemi wane sa hannu. Hakanan rubuta rashin tabbas na kowace hanya.
2) Fatan ci baya:
Na samar da taswirar hangen nesa tare da AI. Ina so in gwada wannan tare da sanannun binciken da busassun rijiyoyi a yankin. Ta yaya zan saita backtest, wane ma'auni zan kimanta (bincike mai girma, mai ƙarancin maki) kuma menene zan gyara idan ƙirar ta yi rauni?
3) Tabbatar da hanyoyi masu yawa na Anomaly:
Ina da ɗan takara mai niyya [tabo mai haske / Magnetic anomaly / low resistivity]. Tare da wace nazari na echoanalysis (AVO, IP, MT, geology, wata hanya) zan tabbatar da wannan ba tare da kirga shi a matsayin shaida kadai ba? Hakanan lissafta dalilan KARYA (lithology, artificiality) waɗanda zasu iya haifar da anomaly.
4) Haɗari da taƙaitaccen yanke shawara:
Matsayinku: mai ba da shawara kan haɗari. Ina da binciken geophysical don manufa. Ka ba ni daftarin yuwuwar/takaitaccen haɗari: shaida ga kuma gaba, tushen rashin tabbas, gargaɗin rashin tabbas, da bayanin kula cewa "ya rage ga mutum ya yanke shawara da kyau." Kar a ce "bushe/kada a yi rawar jiki" tabbas; Samar da tsarin yanke shawara.
Rauni mai ƙarfi / Ƙarfi mai ƙarfi
Rawanin faɗakarwa:
Dubi bayanana kuma gaya mani wuri mafi kyau.
Madaidaicin maki ɗaya yana tsammanin; yana ɓoye polysemy da haɗari, ya sa AI ya zama mai yanke shawara.
Ƙarfi mai ƙarfi:
Matsayinku: masanin ilimin lissafi. Magana: [seismic + nauyi + maganadisu, maƙasudin hydrocarbon, rijiyoyi 2]. Aiki: (1) haɗa bayanai da matsayi na maƙasudin ɗan takara ta hanyar bege; (2) rubuta shaida ga kowane ɗan takara, dalilan da za su iya haifar da rashin daidaituwa; (3) bayar da shawarar goyan baya tare da rijiyoyi tare da sanannun maki; (4) bayyana polysemy a fili da shubuha. Bar wa ɗan adam hukuncin rijiyar ƙarshe; Kar a ba da ma'ana daidai guda ɗaya.
Gwajin baya, nazarin sabani da buƙatar rashin tabbas sun sanya shawarar bincike akan ƙasa mai ƙarfi.
Nau'ukan tushe da hanyoyin
Source
Babban hanyoyin
Alamar sa hannu
AI gudunmawa
hydrocarbon
3D seismic, AVO
Amplitude anomaly
Sifa, fifiko
tawa
Magnetic, EM, IP
Jikin aiki / Magnetic
data hadewa
geothermal
MT, seismic, nauyi
Low resistivity yankin
Saurin juyewa
ruwan karkashin kasa
ERT, refraction, EM
iyakar ruwa
Anomaly alama
Kuskuren gama gari
- Yin amfani da ƙimar bege ba tare da goyan baya ba. Samfurin yana iya ba da maki mai yawa ga bushe rijiyoyi.
- Kuskuren wuri mai haske azaman hydrocarbon kadai. Lithology/artificiality kuma yana haifar da rashin ƙarfi.
- Dogaro da hanya guda ɗaya. Shawarar tushe tana buƙatar tabbatarwa ta hanyoyi da yawa.
- Boye sabani. Sabanin hanyoyin da ake amfani da su shine tushen bayanai, bincika shi.
- Barin yanke shawara ga AI. Hadarin ci da yanke shawarar saka hannun jari mutane ne.
A taqaice
Binciken albarkatu shine mafi girman haɗari kuma mafi girman fannin tattalin arziki na geophysics; AI yana ba da gudummawa mai ƙarfi ga tattara bayanai, fifikon manufa da lissafin haɗari. Amma tsarin ra'ayi shine samfurin tunanin ɗan adam, kuma kowane maki na bege shawara ce ta yuwuwar. Polysemy (kamar tarkon tabo mai haske), buƙatun gwajin baya da tabbatar da hanyoyi da yawa suna da mahimmanci. Daidaitaccen amfani; gwaji tare da rijiyoyi tare da sanannun maki, ƙetare tabbatar da rashin daidaituwa, bincika rashin daidaituwa, da barin yanke shawara mai kyau na ƙarshe - tare da haɗarin ci - ga ɗan adam.
Aikin aikace-aikace
Zaɓi nau'in albarkatu. Tare da samfurin "Conceptual Model + Hanyar taswira", zana yadda aka haɗa manufa da waɗanne hanyoyi ne za a nemi sa hannun. Sa'an nan kuma yi la'akari da rashin daidaituwa na ɗan takara kuma ka jera dalilan karya da hanyoyin tabbatarwa da za su iya samar da shi, ta amfani da samfurin "Anomaly Multi-Method confirmation". A ƙarshe, shirya jita-jita gami da shaidar pro/con da rashin tabbas tare da samfurin “Haɗari da taƙaitaccen yanke shawara”.
jerin abubuwan dubawa
- [ ] Na kafa tsarin ra'ayi da taswirar hanya don manufa.
- [ ] Na goyi bayan sakamakon bege da sanannun rijiyoyi.
- [ ] Na jera kuma na tabbatar da dalilan karya da za su iya haifar da rashin jin daɗi.
- [ ] Ban ɓoye bambance-bambancen hanyar ba kuma na bincika su.
- [ ] Na bar yanke shawara mai kyau / saka hannun jari ga haɗarin ɗan adam.