Uru:
- Ghọta ka esi achịkọta data nlegharị anya seismic, ọrụ AI na nkọwa mbara igwe na nkọwa mmejọ, yana polysemy nke ntụgharị.
- Ikike ịchọta nchọta mmejọ, nleba anya mbara na maapụ facies nwere njirimara seismic na mmụta igwe.
- Ikike iji nwalee mmepụta seismic AI na nke ọma, plausibility geological na ejighị n'aka
Anya nke nyocha mmanụ na gas bụ usoro ntụgharị uche nke seismic. Isi iyi ike na-achịkwa n'elu (ụgbọala na-ama jijiji na ala, egbe ikuku na oké osimiri) na-eziga ụda ụda n'okpuru ala; A na-egosipụta ebili mmiri ndị a site na oke oke nkume dị iche iche wee laghachi na ndị nnata (geophone/hydrophone) n'elu. Anyị na-ewepụ akụkụ obe nke n'okpuru ala site na oge mbata na njupụta nke ntụgharị uche. Nsonaazụ bụ nnukwu olu data 3D nke "gosipụtara" omimi nke kilomita. Mana onyonyo a abụghị foto ozugbo; Ọ bụ mgbama na-apụtaghị ìhè, mkpọtụ na-emeghe maka nkọwa. N'ime nkeji a, anyị na-eji ọgụgụ isi mmadụ n'akụkụ atọ nke nkọwa seismic: nsochi ihu (ntụgharị ihu) nsochi, nhụta mmejọ (njiriji), na mmịpụta facies/mmiri si na njirimara seismic. Ka anyị na-ekwughachi ihe kasị mkpa echiche nke a unit: seismic inversion na-eme ka a otutu uche - multiple subsurface ụdị nwere ike ịkọwa otu data; ya mere, mmepụta AI ezighi ezi na-enweghị ijikọ data ọma.
Ka anyị mara data seismic
Okwu ndị bụ isi ole na ole:
- Horizon: Elu nlegharị anya nwere ike ịchọpụta dabara na oke otu oyi akwa ala dị na oke seismic. Site na "ịgbaso" elu ndị a, onye ntụgharị na-egosipụta ọdịdị nke nhazi ahụ.
- Mmejọ: Ụgbọelu ebe nkume gbajiri agbaji wee tụgharịa. Na-apụta dị ka nkwụsị / mgbanwe na ntụgharị uche; nwere ike ịbụ ọnyà hydrocarbon ma ọ bụ ụzọ mgbapụ.
- Àgwà seismic: Ntụle ndị e nwetara site na njupụta nke raw (njupụta, n'ihu, ịdị n'otu, nkewa spectral, mkpọda/mkpu). A na-eji ya dị ka mmejọ na ihe ngosi facies.
- Ntughari: Usoro nke ịgbanwee site na njupụta nke ntụgharị uche na ụda egwu nke nkume (njupụta × ọsọ); A na-ejikọta ya na lithology na porosity.
- Ọfọn tie: Ijikọta data omimi/ọsọ ọsọ dị n'olulu mmiri na axis oge seismic; Arịlịka nkọwa seismic na eziokwu ala.
Ndụmọdụ: Seismic dị na axis oge (oge njem okirikiri nke ebili mmiri), olulu mmiri dị na axis omimi. Enweghị nkọwa seismic nke a pụrụ ịdabere na ya na-enweghị eriri nke ọma jikọtara abụọ ahụ; Mmepụta AI kwesịkwara ịnọdụ ala na nkekọ a.
Ebee ka AI siri ike na nkọwa seismic?
Nchọpụta mmejọ. Mmejọ na ịdị n'otu na àgwà ndị yiri ya na-apụta dị ka nkwụsị; mmụta igwe (ọkachasị netwọkụ akwara convolutional) na-egosipụta ngwa ngwa usoro ndị a na nnukwu mpịakọta. Maapụ mmejọ, nke na-ewe ụbọchị site n'aka, belata ruo awa.
Horizon nsochi. Ihe nlereanya ahụ nwere ike na-akpaghị aka na-esochi ntụgharị uche na olu 3D site na mmalite; Ọ na-emepụta akwụkwọ nke onye na-ekwu okwu ga-emezi naanị.
Facies na mmịpụta mmiri. Site n'ọtụtụ njirimara (njikọ àgwà) enwere ike ịkewa gburugburu ebe obibi ma ọ bụ nkewa gas / mmiri (dịka "ntụpọ na-egbuke egbuke" - njupụta dị elu nke gas kpatara).
Ala nkịtị: AI na-emepụta nkọwa nkọwa; Onye na-akọwa nkọwa na-agbazi ya site na plausibility geological ma jikọta ya na olulu mmiri.
Polysemy na Well Link
Oke oke nke ntụgharị seismic abụghị ihe pụrụ iche: mgbochi dị iche iche / lithology / ngwakọta mmiri nwere ike imepụta data njupụta ahụ. "Ntụpọ na-egbuke egbuke" nwere ike ịbụ gas, mana ọ pụkwara ịbụ oyi akwa coal ma ọ bụ naanị mgbanwe na lithology. AI na-emepụta ihe ngwọta "kachasị mma" na data; Ma ihe kacha mma abụghị ihe ziri ezi.
Ngwọta: mmachi nke ọma. Ndekọ na mmepụta data nke olulu mmiri ndị a gwuru n'ọhịa bụ eziokwu nọọrọ onwe ha na-ebelata nkọwa seismic. Mpaghara gas nke AI kara akara ọ rụpụtala gas n'ime olulu mmiri na-agafe ebe ahụ? Mmejọ ahụ ọ dabara na njikọta nke ọma? Mmepụta seismic AI na-enweghị eriri nke ọma bụ echiche.
Akpachara anya: Mkpebi seismic nwere oke; na-adịkarị enweghị ike ikewa ọkwa dị n'okpuru ihe dị ka iri iri nke mita ("oke nkewa"). Ọ bụrụ na AI gosipụtara akwa mmiri mmiri dị mkpa dị ka "doro anya", enwere ike ịkọwa nkọwa n'okpuru mkpebi a. Jụọ ajụjụ ihe nlereanya ahụ na-ekwu na ọ na-edozi ọkwa dị gịrịgịrị nke ọma.
Obere Obere Atọ: Site na ọnụọgụ
Ikpe 1 - Ọsọ nkewa mperi. Nkọwa mmejọ na olu 3D (ihe dịka 1,200 km²) bụ ọrụ izu atọ site n'aka. Nlereanya a zụrụ azụ na njiri mara nkwekọ gosipụtara usoro mmejọ bụ isi n'otu ụbọchị; Onye nyocha ahụ kwadoro 85% nke ya, ga-ewepụ 15% (nkwụsị na-adịghị mma nke ụda na-akpata). Uru ụgbụ ahụ buru ibu, mana mkpochapụ mmadụ dị mkpa.
Ikpe 2 - ọnyà ntụpọ na-egbuke egbuke. Ihe nlereanya ahụ chọtara ebe siri ike na-egbuke egbuke n'ime ihe owuwu ma kpọọ ya dị ka "gas nwere ike ime." Ndị otu ahụ jiri ịnụ ọkụ n'obi nyochaa nke a; Otú ọ dị, olulu mmiri a gwupụrụ na mbụ na mpaghara ahụ gosiri n'ọkwa ahụ kpọmkwem. Ebe ahụ na-egbuke egbuke esiteghị na gas, kama site na obere mgbochi nke coal. Njikọ dị mma gbochiri mkpebi nhụsianya dị oke ọnụ.
Ikpe 3 - oke mkpebi. AI kọrọ otu oyi akwa "mmadụ dị mma" nke mita 8 site na ntụgharị ahụ. Oke nkewa na oke seismic bụ ihe dị ka mita 15; enweghị ike iji obi ike dozie ọkpụrụkpụ a site na seismic. Onye na-akọwa nkọwa ahụ kpọgharịrị oyi akwa ahụ dị ka "ihe kwere omume, mkpebi mkpebi, nkwenye nke ọma chọrọ." ejidere oke okwu.
Ngwa ngwa adịghị ike / Ike ngwa ngwa
Ngwa ngwa adịghị ike:
Chọta mmejọ na mpaghara gas nke ọdịdị seismic a.[Nchịkọta data]
Mgbasa ozi siri ike:
Mepụta nkọwa nhazi DRAFT site na njirimara/nkọwa nkọwa seismic dị n'okpuru. Iwu: - Depụta ndị na-eme mmejọ dị ka "mmejọ nwere ike ime"; Maka nke ọ bụla, dee njirimara (mmekọrịta/mkpọda) nkwado ị wepụtara na ya. Kaa akara isi iyi ụda nwere ike iche iche. - Na-eweta ntụpọ na-egbuke egbuke / njupụta anomalies nwere ohere abụọ "nwere ike ịbụ gas mana nwekwara ike ịbụ coal / lithology"; ezipụta nke ọma tie chọrọ.- Tụlee oke nkewa seismic; Kaa akara n'okpuru mkpebi dị mkpa oyi akwa na-ekwu dị ka "mkpebi mkpebi, nkwenye chọrọ". - Ewela nkọwa ọ bụla dị ka "nkwubi okwu"; Dee nke ọma data iji wedata.Data: [nchịkọta njirimara/nkwupụta]
Ndebiri anọ enwere ike iṅomi
1) Nyochaa mmejọ nke onye nyocha:
Depụta mmejọ ndị na-aga ime site na nchikota nkwụsị/mmekọrịta n'okpuru. Maka onye ọ bụla ndoro-ndoro ochichi: nghazi, ịga n'ihu, isi iyi ụda nwere ike, ọkwa ntụkwasị obi (obere / ọkara / elu) . Kedu ihe nchịkwa ọzọ dị mkpa iji kewapụ ezi mmejọ na artifact? Data: [nchịkọta]
2) Ịba ụba anomaly nke puru omume okpukpu abụọ:
Depụta nkọwa niile ezi uche dị na ya maka oke njupụta nke anomaly ndị a (gas, coal, lithology, compression). Dee mbinye aka impedance a na-atụ anya maka nke ọ bụla wee gosi nke ga-eji data nke ọma mebie. Elekwasịla anya n'otu nkọwa. Data: [anomaly]
3) Nleba anya nke ọma:
Mepụta ndepụta nlele maka ijikọ nkọwa seismic na nke ọma: ụdị ọsọ, syntheticseismogram dakọtara, nlele oge/polarity, dakọtara horizon-marker. Kedu ihe ọ pụtara ma ọ bụrụ na enweghị ndakọrịta na nzọụkwụ ọ bụla?
4) Nzacha nkọwa nke ukwuu:
Lelee nkwupụta na nkọwa seismic ahụ maka mkpebi. Tụlee oke nkewa site na ugboro na ọsọ kachasị; Kanye akara n'ọkpụrụ akpụ n'okpuru nke a dị ka "mkpebi-okpuru". Okwu: [nchịkọta], ugboro/ọsọ: [uru]
Ihe akaebe na nkwenye seismic
ihe
ihe na-enye
oke
nkwenye
raw amplitude
nhazi usoro
Mkpọtụ, mkpebi
Ogo nhazi
Ogo (mmekọrịta/mkpọda)
mmejọ, nkwụsị
Enwere ike imepụta ihe
mkpochapụ mmadụ
Ngwọta ntụgharị (mpedance)
Lithology / porosity akara
bara uru nke ukwuu
tie nke ọma
Nkewa AI
ngwa ngwa draft
Dabere na data ọzụzụ
Geology + nke ọma
Ngwa ndekọ/nnwale
ala eziokwu
nha nha
Arịlịka (kachasị ntụkwasị obi)
Mmejọ ndị nkịtị
- Na-agafe eriri olulu mmiri. Nkọwa nke seismic na-ezighi ezi n'ezie na-enweghị oge-omimi/nke ọma.
- Na-elekwasị anya na otu nkọwa. Na-ekwupụta ngwa ngwa ebe na-egbuke egbuke "gas" na ịhapụ ohere nke coal/lithology.
- Na-eleghara oke mkpebi ahụ anya. Iji "n'ụzọ doro anya" kọsaa oyi akwa nke enweghị ike idozi site na seismic.
- Imehie ihe arụrụ arụ maka mmejọ. Na-ewere mkpọtụ na nhazi usoro dị ka ezigbo nhazi.
- Na-adabere na akara ntụkwasị obi ihe nlereanya. Na-emehie akara dị elu maka izi ezi nke ala.
Na nchịkọta
- Seismic bụ echiche na-apụtachaghị ìhè na mkpọtụ nke ala ala; Ihe ngwọta na-agbanwe agbanwe na-eme ka uche dị ukwuu.
- AI na-emepụta ụkpụrụ dị ike na nchọta mmejọ, nleba anya nke mbara igwe, na ngwakọta àgwà; mana mkpochapụ mmadụ na plausibility nke ala dị mkpa.
- Ihe nrụpụta AI seismic ọ bụla bụ echiche na-enweghị ike ijikọ nke ọma na nke ọma data.
- Akpọchila amplitude anomalies n'ime otu nkọwa; Tụlee ihe puru omume okpukpu abụọ/ọtụtụ.
- Mkpesa ndị dị n'okpuru oke mkpebi seismic bụ nkọwa karịa; Kaa ya akara na mkpado "nkwenye achọrọ".
Ọrụ ngwa
Were ọnọdụ nkọwa seismic (nnọchite anya): njupụta anomaly na ọtụtụ ndị chọrọ mmejọ. Nwee nkọwa nhazi nhazi nke ejiri ngwa ngwa siri ike mepụta. Mgbe ahụ: (1) dee ma ọ dịkarịa ala nkọwa abụọ na-abụghị gas maka anomaly, (2) gosi nke ọma data ọ ga-akpa ókè, (3) gosi onye n'ime ndị na-eme mkpesa nwere ike ịbụ mkpọtụ. Ọ bụrụ na ị na-enye ugboro na ọsọ na-achị, mee ka ihe nlereanya lelee nkwuputa nke oyi akwa mkpebi mkpebi.
ndetu
- [ ] Aghọtara m na data seismic bụ ihe na-apụtachaghị ìhè, mkpọtụ na oke mkpebi.
- [] M na-emepụta ihe na-ezighị ezi / horizon / àgwà na AI ma dozie ha na mkpochapụ mmadụ.
- [] N'ịmara polysemy nke ngwọta ntụgharị, m na-ebelata nkọwa na njikọ ọma na data ọma.
- [] M na-atụle amplitude anomalies nwere ọtụtụ ohere na-enweghị igbachi ha n'ime otu nkọwa.
- [ ] Akọwapụtaara m nkwupụta nke obere mkpebi dị ka nkọwa karịa.