Mu buryo bwo kugarura amavuta hakoreshejwe imiti ikoreshwa mu kongera ubuziranenge (EOR)—cyane cyane polymer ikoreshwa mu gutunganya peteroli mu mazi menshi no mu butaka bwa gaze—kugenzura neza ubukana bw'umuti wa polyacrylamide ni ingenzi cyane. Kugira ngo habeho uburyo bwiza bwo gusukura mu bigega bya peteroli bisaba guhindura imiterere y'umuti wa polymer mu gihe gitunguranye. Uburyo gakondo bwo gupima ubukana bushingiye kuri laboratwari buragenda buhoro cyane, bushingiye ku gupima intoki buri gihe no gutinda gusesengura. Iki cyuho gishobora gutuma polymer ipimwa nabi, kugenzura nabi uburyo bwo kuyitera, ndetse amaherezo, kugabanya ubushobozi bwo kuyigarura cyangwa kwiyongera kw'ikiguzi cyo kuyikoresha. Ibikoresho byo gupima ubukana ubu bifasha gukurikirana mu buryo bufatika, mu buryo butaziguye, guhaza ibyifuzo byihuse by'imikorere y'ubutaka bwo mu mazi menshi no kwemeza ko ubukana bw'ubukana bw'umuti wa polymeri burushaho kuboneka.
Imyuzure ya polymer no kongera kugarura peteroli mu bibanza bya peteroli na gaze byo mu mazi maremare
Guteza imbere ubwiyongere bw'amavuta (EOR) bikubiyemo ubuhanga buhanitse bwakozwe kugira ngo bwongere imbaraga mu gucukura peteroli kurusha uko uburyo bw'ibanze n'ubwa kabiri bugeraho. Uko ubushakashatsi bwa peteroli na gaze mu mazi y'ubujyakuzimu bugenda bwiyongera, ibi bigega akenshi bigaragaza imiterere y'ubutaka igoye kandi ikiguzi kinini cy'imikorere, bigatuma EOR iba ingenzi mu kongera ubwiyongere bw'ibigega no kunoza ubukungu bw'iterambere ry'ibigega bya peteroli na gaze.
Kuvugurura amavuta hakoreshejwe polymer ni uburyo bwa EOR bukoreshwa cyane mu mazi menshi. Mu mazi menshi hakoreshejwe polymer, polymer zishongeshwa n'amazi—akenshi zikunze kuba polyacrylamide hydrolyzed (HPAM)—zongerwa mu mazi yatewe, bikongera ubukana bwayo kandi bigatuma habaho kugenzura neza uburyo amazi agenda mu kigega. Iyi gahunda irakenewe cyane cyane ku nkengero z'inyanja, aho ikigereranyo kibi hagati y'amazi yatewe n'amavuta yatewe kigabanya ubushobozi bwo kuzura amazi mu mazi asanzwe.
Mu gihe amazi asanzwe agwa, amazi afite umuvuduko muke akunda kurenga peteroli binyuze mu "gukoresha intoki" mu bice biremereye kwinjiramo, bigatuma ingano nini ya hydrocarbon idasubiramo. Imyuzure ya polymer irwanya ibi binyuze mu kongera ubushobozi bwo gukurura mu bigega bya peteroli, bigatuma igice kinini cy'ikigega gitwarwa neza kandi peteroli ijyanwa mu byobo bikorerwamo. Amakuru aturuka mu murima agaragaza ko polymer EOR ishobora kongera kugeza kuri 10% mu kongera gukurura peteroli mu gihe amazi agwa, no kugera kuri 13% mu kongera gukwirakwiza peteroli mu buryo bw'igerageza.
Imbogamizi z'ubukungu n'ibijyanye n'ibikoresho mu bidukikije byo mu mazi menshi byongera akamaro ko kunoza imikorere. Imyuzure ya polymer yagaragaje ubushobozi bwo kugabanya igabanuka ry'amazi, bigatuma hagabanuka ingufu zikenewe mu gutunganya no gutandukanya amazi—inyungu z'ingenzi ku bicuruzwa byo mu mazi. Byongeye kandi, ubu buryo bushobora kugabanya ubwinshi bwa karuboni mu musaruro wa peteroli binyuze mu kugabanya ibisabwa mu gucunga amazi, bigashyigikira intego zo kugabanya imyuka ihumanya ikirere.
Ingufu z'imyuzure ya polymer zishingiye ku gupima neza ubukana bw'amavuta kuri polymer zongerewe ubushobozi bwo kugarura amavuta. Ikoranabuhanga nk'ibikoresho byo gupima ubukana bw'amavuta, ibikoresho byo gupima ubukana bw'amavuta, hamwe na gahunda zo gupima ubukana bw'amavuta zikora neza ni ingenzi mu kugenzura imiterere y'ibisubizo bya polymer, bigamije kwemeza ko imikorere ikora neza mu bihe bigoye byo munsi y'inyanja. Ibi bipimo bituma habaho isesengura ry'ubukana bw'ibisubizo bya polymer, binoza uburyo bwo kunoza imikorere ndetse n'ubukungu rusange bw'ikoreshwa ry'ibisubizo bya polymer.
Ikibuga cya peteroli na gaze
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Uruhare rw'ingenzi rw'ubucucike mu myuzure ya polymer
Impamvu ubukana ari ingenzi mu gutuma imyuzure ikoreshwa neza mu gutunganya polymer
Ubushyuhe bw'amazi ni ingenzi mu kuzura kw'amavuta ya polymer kuko bugenzura neza ikigereranyo cy'uburyo amazi yimuka n'ayo mu kigega gishyirwa mu mwanya wacyo. Mu iterambere ry'ubutaka bw'amavuta n'umwuka mu mazi maremare, intego ni ugukusanya amavuta menshi asigaye uko bishoboka kose binyuze mu kwemeza ko amazi yashyizwe mu mazi (ubusanzwe ni umuti w'amazi wa polyacrylamide, akenshi HPAM) agenda afite ubushyuhe butandukanye n'ubw'amavuta gakondo. Ubu bushyuhe bwinshi butuma umuti wa polymer unyura mu kigega kinini, binoza uburyo amazi yimuka n'amazi ya hydrocarbon afashwe.
Guhitamo ubushyuhe bwa polymer ni igikorwa cyo kuringaniza. Amazi ari make cyane, kandi akurikiza inzira zari zisanzweho zoroshye kwinjiramo, zirenga igice kinini cy'amavuta; hejuru cyane, kandi ibibazo byo guteramo amazi bivuka, byongera ibyago byo kuziba imiterere, cyane cyane mu bice bitandukanye cyangwa ahantu hadakunze kwinjiramo amazi menshi bikunze kugaragara mu bice by'amazi menshi. Ubushakashatsi bwerekana ko guhindura neza ingano ya HPAM—ubusanzwe iri hagati ya 3000–3300 mg/L ku ikoreshwa ry'amazi menshi—bituma abakoresha bashobora kongera kwimura amavuta muri rusange badahuye n'umuvuduko ukabije wo gutera cyangwa ibibazo by'imikorere.
Isano iri hagati y'ubukana bw'umuti wa polymer n'imikorere myiza yo gukaraba
Ubuhanga bwo gusukura bugaragaza igipimo cy'amavuta yo mu kigega ayo umuti wa polymer watewe wimuwe uvanaho neza. Bifitanye isano itaziguye n'ikigereranyo cya viscosity (M), gisobanurwa nk'ubunini bw'amazi yimukanwa agabanyijwe n'ubunini bw'amavuta yimukanwa:
M = μ_kwimura / μ_amavuta
Iyo M yegereye 1, imbere igenda neza, ikongera ubushobozi bwo gusukura neza no kugabanya uburyo bwo gukurura intoki (uburyo amazi afite ubukana buke bwo kunyura mu mavuta no gukora imiyoboro yo kunyuramo). Kongera ubukana bw'amazi—ubusanzwe binyuze mu gushonga HPAM cyangwa ibinyabutabire byayo—bishobora guhindura igipimo cy'uburyo amazi agenda ahinduka akagera ku gaciro keza, bikongera cyane ubushobozi bwo gusukura neza ugereranyije n'amazi asanzwe agwa.
Ibimenyetso bigaragaza ko gukoresha polymer ifite ubukana bwinshi bitanga umusaruro mwinshi wo kugarura amavuta kuva kuri 5% kugeza 10%, ariko bishobora kugera kuri 23% mu bushakashatsi bwakozwe hifashishijwe 0.1% bya PAM. Iri terambere rigaragaza inyungu zifatika ku gipimo cy’ubutaka, cyane cyane iyo polymer zakozwe kugira ngo zihangane n’ibibazo by’ubushyuhe n’umunyu bikunze kugaragara mu gushakisha peteroli na gaze mu mazi y’ubujyakuzimu.
Ingaruka z'ubucucike bwa Polyacrylamide ku kongera uburyo amavuta akoreshwa mu kwimura
Ubushyuhe butangwa na polyacrylamide ni bwo butuma amavuta aboneka mu buryo bw’ibanze, bugatuma amazi aboneka mu buryo bungana kandi bugakwirakwira. Inyigo zo muri laboratwari, mu ishami no mu buryo bwo gupima zishimangira uburyo bwinshi butuma amavuta yimuka cyane:
- Kunoza uburyo bwo kugenzura ingendo:Kongera ubushyuhe bw'amazi bigabanya neza uburyo amazi agendana n'amavuta, bigahagarika uburyo urutoki rukora neza kandi rugakomeza gukorana n'amavuta atarageramo.
- Gukomeza kwimuka mu bigega bitandukanye:Ubudahangarwa bwinshi ku muvuduko w'amazi butuma igice cy'imbere cyimuka kikajya mu duce duto dushobora kwinjiramo amazi, bigatuma hydrocarbons zitari zisanzwe zinyuramo.
- Ingaruka zo Gukoresha Imiyoboro ya Capillary mu Guhuza Imitsi n'Imitsi:Iyo bihujwe n'ibindi bintu (urugero: uduce duto, amashami ya jeli), sisitemu ya polyacrylamide ifite ubukana bwinshi igaragaza iterambere rirushijeho mu mikorere myiza yo gusukura no kwimura, cyane cyane iyo hari ubushyuhe bwinshi cyangwa umunyu mwinshi.
Urugero, polymer/nano-SiO₂ composites zagaragaje ubushyuhe bwa 181 mPa·s kuri 90°C, bituma ziba nziza cyane mu mazi menshi aho HPAM isanzwe yangirika cyangwa igacika cyane. Mu buryo nk'ubwo, polyacrylamide ivanze na polyvinylpyrrolidone (PVP) irusha cyane polymer zitari hybrid mu kubungabunga ubushyuhe mu gihe cy'amazi n'ubushyuhe. Izi ntambwe zemerera gukoreshwa neza kandi neza mu mirima ya polymer, bigatuma peteroli yimuka cyane mu bigega bigoye.
Amaherezo, ubushobozi bwo gupima no gutunganya neza ubukana bw'umuti wa polyacrylamide—ukoresheje uburyo bugezweho bwo gupima ubukana bw'umuti wa polymer hamwe n'ibikoresho byo gupima ubukana bw'umuti wa peteroli—buracyari ingenzi ku mishinga ya polymer y'umwuzure igezweho kandi ihendutse mu bicuruzwa bya peteroli na gaze bigezweho.
Amahame n'ubuhanga bwo gupima ubukana bw'umuti wa polimeri
Gupima ubushyuhe ni ingenzi mu kugarura amavuta akoreshwa mu mazi menshi (EOR), kugira ingaruka ku kugenda kw'amazi, gukoresha neza amavuta mu bigega bya peteroli, ndetse no gutsinda muri rusange uburyo bwo kugarura amavuta akoreshwa mu buryo bwa shimi. Polyacrylamide n'ibikomoka kuri yo nka hydrolyzed polyacrylamide (HPAM) ni polymer zikoreshwa cyane. Uburyo bwo kubikemura—cyane cyane ubushyuhe—bigira ingaruka ku buryo butaziguye ku kunoza imikorere y'amazi akoreshwa mu mazi menshi, cyane cyane mu gihe cy'ubushyuhe bukabije n'umunyu usanzwe mu iterambere ry'ubutaka bwa peteroli na gaze mu mazi menshi.
Ibikoresho bya Viscometers byo mu miyoboro ya capillary
Viscometer za capillary zigena ubukana bw'ibinyabutabire binyuze mu kugena igihe cy'urumuri rwa polymer runyura mu muyoboro muto munsi y'umuvuduko cyangwa imbaraga rukuruzi. Ubu buryo bworoshye kandi bukoreshwa cyane mu gupima ubukana bw'amavuta buri gihe, ibinyabutabire by'amazi bisa n'amazi cyangwa amazi afite ubukana buri hagati. Viscometer isanzwe ya capillary ifata imyitwarire ya Newtonian, bigatuma igenzurwa neza aho igipimo cyo gukata polymer kiguma kiri hasi cyane kandi imiterere yayo idahinduka cyane.
Inzitizi:
- Polima zitari iza Newtonia:Polymeri nyinshi za EOR zigaragaza imyitwarire yo kugabanya ubukana bw'imitsi no kugabanya ubukana bw'imitsi, uburyo bwa kera bwo kugabanya ubukana bw'imitsi budashobora gufata, bigatuma umuntu adashobora kwiyumvisha neza cyangwa akagaragaza nabi ubukana bw'imitsi.
- Ingaruka zo gukwirakwira kwa polydispersity n'uburyo ibintu byiyongeramo:Ibipimo bya viscometer ya capillary bishobora guhindagurika mu bisubizo bya polymer bifite uburemere butandukanye bwa molekile, cyangwa mu bivanze bivanze/bigoye bisanzwe mu mirimo yo mu murima.
- Uburyo bwo kugabanya imitsi ya elastocapillary:Nubwo ibyuma bipima ubushyuhe bw'imitsi bishobora gusuzuma ubushyuhe bw'imitsi, ibisubizo biterwa cyane n'imiterere n'ibipimo byakoreshejwe, bigatuma habaho gushidikanya ku bisubizo by'amazi y'amazi ya polymer.
Ibikoresho byo mu bwoko bwa Viscometer bizenguruka
Viscometer zizunguruka ni inkingi ikomeye kuriisesengura ry'ubukana bw'umuti wa polyacrylamideMuri laboratwari no mu nganda z’icyitegererezo. Ibi bikoresho bikoresha umugozi uzenguruka cyangwa agapira gashyirwa mu gipimo, bipima uburyo umuvuduko w’ingufu udashobora kugenda mu buryo butandukanye.
Imbaraga:
- Ifite ubumenyi mu kugaragaza imyitwarire itari iya Newtonian, nko gukata uduce duto, aho ubushyuhe bugabanuka uko igipimo cyo gukata uduce kiyongera—ikimenyetso cy’amazi menshi ya EOR akoreshwa muri polymer.
- Emera ko imiterere y'icyuma gishyirwamo (urugero, itegeko ry'amashanyarazi, Bingham) ipima ubunini bw'icyuma bushingiye ku gipimo cyo gukata.
- Gushyigikira ubushyuhe n'umunyu mu gusuzuma imiterere isa n'aho iri mu kigega cy'amazi no kureba ingaruka zabyo ku bushyuhe.
Ingero:
- Iyo ubushyuhe/umunyu mwinshi bigabanutse, HPAM na polymer zihariye biragabanuka cyangwa bigabanyije, ibyo bigatuma ubushyuhe burushaho kuba bwiza; ibi bigaragara neza muri viscometry izenguruka.
- Ibipimo ngenderwaho byo kuzenguruka bishobora kwigana imiterere y’imihangayiko iteganijwe mu mwobo wo hasi kugira ngo harebwe igabanuka ry’ubushyuhe n’iyangirika ry’uruhererekane—ni ingenzi cyane mu gupima ubushyuhe bwa polymer bufite imikorere myiza no guhitamo polymer mu buryo bukomeye.
Igipimo cy'ubukana bw'umurongo: Uburyo bugezweho n'ibikoresho
Ibikoresho byo gupima ubukana bw'umuvuduko: Ibisobanuro n'imikorere
Viscometer zigezweho zakozwe kugira ngo zigere ku murongo w’imikorere, zigatanga isesengura ry’ubukana buhoraho nta mpamvu yo guhagarika ingero. Ikoranabuhanga ry’ingenzi ririmo:
Ibipimo by'ijisho bihindagurika:Ibikoresho nka Lonnmeter viscometers bikoresha ibintu bizunguruka byinjijwe mu gisubizo cya polymer. Ubwinshi n'ubushuhe bw'ingufu bifitanye isano itaziguye n'ubucucike n'ubwinshi, bigatuma hapimwa neza mu mazi menshi cyangwa atari ay'i Newtonian nka polyacrylamide. Ibi birakomeye mu guhangana n'ubushyuhe bwinshi n'umuvuduko, kandi bibereye cyane mu bikorwa byo mu kibuga cy'amavuta.
Ibyiza byo gukurikirana buri gihe kuri interineti mu bikorwa byo kuzura imyuzure ya polymer
Gukoresha uburyo bwo gupima ubukana buhoraho, buri ku murongo mu mikoreshereze y’ubutaka bwa polymer butanga inyungu nyinshi mu mikorere:
Kongera ubushobozi bwo gusukura:Gukurikirana buri gihe bituma habaho uburyo bwihuse bwo gufata ingamba iyo ubushyuhe bwa polymer burenze urugero rwiza, bigatuma igipimo cyo kugenda neza no kwimuka kw'amavuta mu gihe cy'imyuzure ya polymer birushaho kwiyongera.
Ivugurura ry'Imikorere Yikora:Ibikoresho byo gupima ubushyuhe bw'amavuta bihujwe na platforme za SCADA byorohereza kugenzura urwego rw'ibipimo, aho ingano cyangwa ubushyuhe bishobora guhindurwa mu buryo bwikora hakurikijwe isesengura ry'ubushyuhe bw'umuti wa polyacrylamide mu gihe nyacyo. Ibi byongera ubudahangarwa bw'imikorere, bikomeza imvange y'ibicuruzwa mu buryo buhamye (± 0.5% mu bushakashatsi bumwe na bumwe), kandi bigabanya imyanda ya polymer.
Kugabanuka kw'igihe cyo kuruhuka mu kazi n'umurimo:Sisitemu zikora ku buryo bwikora kandi zikora ku murongo zisimbura isuzuma rikorwa n'intoki kenshi, zikihutisha igihe cyo gusubiza kandi zikagabanya gukenera abakozi bo mu murima bashinzwe isuzuma risanzwe.
Uburyo bwo gukora no gukoresha neza ikiguzi:Nk’uko byagaragajwe n’inganda zikoresha Solartron 7827 na ViscoPro 2100 ya CVI, gukurikirana ubushyuhe buhoraho bishobora kongera umusaruro w’amavuta kugeza kuri 20%, kugabanya ikoreshwa rya polymer, no kunoza imikorere myiza y’imashini zikora cyangwa iriba binyuze mu kugenzura neza ubuziranenge.
Amakuru Agezweho yo Gusesengura:Amakuru atangwa mu gihe nyacyo atuma habaho isesengura rigezweho, kuva ku kunoza ibikorwa bisanzwe kugeza ku kubungabunga amakuru atangwa mbere y’igihe, birushaho kunoza uburyo bwo gukoresha amafaranga mu gihe gito no mu gihe cy’ibizakorwa mu gihe cy’ibiza.
Ibipimo by'ingenzi by'imikorere mu guhitamo ibikoresho byo gupima ubukana bw'amavuta bikoreshwa mu murima
Mu guhitamo ibikoresho byo gupima ubunini bwa polymers zongereye ingufu zo kugarura amavuta mu duce twa peteroli duto kandi turi kure, ibi bipimo ni ingenzi cyane:
Kuramba no Kurwanya Ibidukikije:Ibikoresho bigomba kwihanganira ubushyuhe bwinshi, umuvuduko mwinshi (HTHP), amazi yangiza, n'uduce duto dusanzwe two mu mazi y'ubujyakuzimu. Ibyuma bitangiza ibyuma n'udupfundikizo dufunze neza, kimwe na Rheonics SRV, ni ingenzi kugira ngo birambe igihe kirekire.
Ubuziranenge n'Iterambere ry'Ibipimo:Gutanga ubushyuhe bwinshi n'ubwiza ni ngombwa kuko kugabanuka guto mu buryo bworoshye bishobora kugira ingaruka ku mikorere myiza y'ibicuruzwa no kugarura amavuta. Ibikoresho bigomba kuba bifite ubuziranenge mu gihe cy'ubushyuhe n'umuvuduko.
Kwitegura guhuza no gukoresha ikoranabuhanga mu buryo bwikora:Guhuza na SCADA, IoT telemetry, na bisi z'amakuru ya digitale kugira ngo ukurikirane kure ubu ni ikintu cy'ibanze. Shaka uburyo bwo kwisukura, gupima ikoranabuhanga, no kohereza amakuru neza kugira ngo ugabanye isuku.
Ubushobozi bwo Gukomeza Gukora:Ibikoresho bigomba gukora nta kuzimya cyangwa kongera gupima buri gihe, bitanga imikorere amasaha yose kandi bigabanye ibikenewe mu gushyiramo ibikoresho—ni ingenzi ku bikoresho bidafite abapilote cyangwa munsi y’inyanja.
Iyubahirizwa ry'amategeko n'inganda:Ibikoresho bigomba kuzuza amahame mpuzamahanga agenga umutekano, guhuza ingufu za elegitoroniki n'amashanyarazi, no gushyira mu bikorwa ibikoresho nk'uko bikurikizwa mu rwego rwa peteroli na gaze.
Gukoresha mu buryo bufatika bisaba ko ibikoresho byo gupima ubukana bw'ibinyabutabire mu murongo biba bikomeye, byikora, biteguye gukoresha umuyoboro w'itumanaho, kandi bitanga uburyo bwo kugenzura ubukana bw'ibinyabutabire nk'inkingi ya mwamba y'ubushakashatsi bwa none bwa EOR n'ubwa peteroli na gaze mu mazi y'iburengerazuba.
Ibintu by'ingenzi bigomba kwitabwaho mu gucunga uburyo bwo gupima ubukana bw'umuti wa Polyacrylamide
Gucunga neza ubushyuhe ni ingenzi mu kongera kugarura amavuta mu mazi menshi (EOR), cyane cyane mu iterambere ry’ubutaka bw’amavuta n’imyuka mu mazi maremare aho ibintu bibangamira ibidukikije ari byinshi. Isesengura ry’ubushyuhe mu gisubizo cya Polyacrylamide rigira uruhare runini mu kugera ku musaruro mwiza mu bigega bya peteroli.
Ibintu Bigira Ingaruka ku Kuzura k'Umuti wa Polyacrylamide mu Miterere y'Amazi Y'Ubujyakuzimu
Umunyu
- Ingaruka nyinshi z'umunyu:Ibigega by'amazi maremare akenshi biba birimoingano y'umunyu, harimo monovalent (Na⁺) na divalent (Ca²⁺, Mg²⁺) cations. Izi iyoni zikanda urwego rw'amashanyarazi rukikije iminyururu ya polyacrylamide, bigatuma habaho kuzunguruka no kugabanya viscosity. Divalent cations zifite ingaruka zidasanzwe, zigabanya viscosity cyane kandi zigabanya imikorere myiza yo kunoza imikorere ya polymer flooding sweep.
- Urugero:Mu bihe byo mu murima nko mu kigega cya Qinghai Gasi, sisitemu za polymer na surfactant-polymer (SP) zakozwe mu buryo bwa kinyabutabire zari zikenewe kugira ngo habeho kugumana ubushyuhe bwinshi no gukomeza gukoresha neza amazi mu bidukikije birimo umunyu mwinshi.
- Kwangirika k'ubushyuhe:Ubushyuhe bwinshi mu bigega by'amazi menshi byihutisha hydrolysis no gusenyuka kw'imiyoboro ya polyacrylamide. Ingufu zisanzwe za polyacrylamide (HPAM) zitakaza ubushyuhe vuba uko uburemere bwa molekile bugabanuka bitewe n'ubushyuhe.
- Ibisubizo byo Guhagarara ku Bushyuhe:Sisitemu za HPAM zikozwe muri nanocomposite, zifite uduce duto (nk'udusimba twa silica cyangwa alumina), zagaragaje ko ubushyuhe bukomeza kwiyongera, zigumana ubushyuhe bwiza ku bushyuhe bugera kuri dogere selisiyusi 90 no hejuru yabyo.
- Ingaruka za tekiniki:Ubwinshi bw'ingufu ziterwa no gukurura, gutera, cyangwa gutemba mu buryo bufite imyenge butera gucika kw'iminyururu ya polymer, bigatera igihombo gikomeye cya viscosity. Gukoresha pompe inshuro nyinshi bishobora kugabanya viscosity kugeza kuri 50%, bigahungabanya ubushobozi bwo kugarura amavuta.
- Imyitwarire yo Kugabanya Ubukana bw'Inyama:Ibikoresho bya Polyacrylamide bigaragaza ko icyuma gifata neza—ubukana bugabanuka uko igipimo cyo gukata kigenda cyiyongera. Ibi bigomba kwitabwaho mu ikoreshwa ry’ubutaka bwa polymer, kuko ibipimo by’ubukana ku gipimo gitandukanye cyo gukata bishobora gutandukana cyane.
- Ingaruka z'umwanda:Amazi yo mu kigega cy’amazi n’ay’ibikomoka kuri peteroli akunze kuba arimo imyanda nka icyuma, sulfide, cyangwa hydrocarbons. Ibi bishobora gutuma habaho kwangirika cyangwa imvura nyinshi mu bisubizo bya polymer, bigatuma imicungire y’ibintu bitoroshye.
- Kubangamira inyongeramusaruro:Imikoranire y’ibinyabutabire hagati ya polyacrylamide na surfactants cyangwa crosslinking agents ishobora guhindura imiterere y’ubushyuhe bw’ibinyabutabire, byaba byongera cyangwa bikabangamira imikorere ya EOR.
- Guhitamo polimeri yihariye:Guhitamo ubwoko bwa HPAM cyangwa gukora copolymers za polyacrylamide zikozwe muri sulfonated zijyanye n'umunyu n'ubushyuhe byifuzwa byongera uburyo bwo kugumana viscosity. Uburyo bwo gupima viscosity bushingiye kuri laboratwari buyobora guhitamo bwa mbere, ariko amakuru yo mu murima agomba kwemeza ibyavuye mu mikorere nyayo.
- Guhuza Nanomaterials:Gushyiramo uduce duto twa nano—nka SiO₂, Al₂O₃, cyangwa nanocellulose—byongera ubushobozi bwa polymer bwo kurwanya kwangirika k'ubushyuhe n'imikorere, nk'uko bigaragara mu igeragezwa ry'imyuzure ya nanocomposite. Ubu buryo bukomeje gukoreshwa mu kurwanya ingaruka mbi zituruka ku bukana bw'ibigega by'amazi.
- Kugenzura ubwinshi bwa Ion:Kugabanya urugero rwa divalent cations binyuze mu gutunganya amazi cyangwa gusukura amazi yoroshye mbere bigabanya ionic bridging kandi bigakomeza kwaguka kwa polymer chain, bityo bigatuma ubukana bw’ingufu bushyirwamo burushaho kwiyongera.
- Ubushobozi bwa Surfactant na Cross-linker:Guhindura imiterere y'ibinyabutabire bya surfactants cyangwa cross-linkers kugira ngo byuzuzanye n'ubwoko bwa polymer bwiganje birinda imvura n'igabanuka ry'ubushyuhe ritunguranye.
- Kugabanya Kugaragara kwa Shear:Gutunganya uburyo bwo gutera (gukoresha ipompo zigabanya ubushyuhe, kuvanga buhoro buhoro, no gukoresha imiyoboro yoroshye) bigabanya gukata imiyoboro ya polymer. Gushushanya inzira zirimo amazi kugira ngo bigabanye amazi atemba cyane nabyo bigira uruhare mu gutuma amazi agumana ubushyuhe bwinshi.
- Gukoresha Ibikoresho byo Gupima Ubucucike bw'Amavuta yo mu Murongo:Gukoresha ibipimo by'ubushyuhe biri mu murongo cyangwa ibipimo by'ubushyuhe biri mu buryo bwa viscosity (VVM) bifasha gukurikirana mu buryo bwihuse ubushyuhe bwa polyacrylamide mu gihe cyo gutera, bigatuma habaho ibisubizo byihuse ku gihombo icyo ari cyo cyose cya buscosity.
- Uburyo bwo kugenzura ubucucike:Ibikoresho byo gupima ubukana bw'amavuta yo muri laboratwari hamwe n'ibipimo byo mu murima bitanga ishusho rusangekugenzura ubukana bw'umuvudukosisitemu, ni ingenzi mu kubungabunga umutekano kuva mu bubiko kugeza mu kwinjira mu kigega.
- Moderi z'ubucucike bushingiye ku makuru:Gushyira mu bikorwa moderi zihindagurika kandi zishingiye ku makuru zigaragaza ubushyuhe, umunyu, n'ingaruka zo gukata bifasha kunoza ibipimo by'ishyirwa ry'ingufu—ubwinshi bwa polymer, igipimo cy'ishyirwa ry'ingufu, n'uruhererekane—mu gihe nyacyo.
- Gukoresha CMG idahinduka cyangwa Eclipse Simulations:Imashini zitunganya ibigega zikoresha agaciro kapimwe kandi gakozwe mu buryo bwa viscosity kugira ngo zihuze imiterere y’imyuzure, zinoze imikorere myiza mu bigega bya peteroli, kandi zigabanye igihombo cya polymer binyuze mu kwangirika cyangwa kwinjizwa mu mazi.
- Kwemeza Umurima:Mu karere k’inyanja ya Bohai Bay n’inyanja y’Amajyepfo y’Ubushinwa, ishyirwa mu bikorwa ry’igerageza ryakoresheje HPAM ya nanocomposite ifite uburyo bwo kugenzura ubushyuhe bw’amazi kugira ngo habeho umwuzure uhamye kandi ukozwe neza wa polymer mu gihe cy’ubushyuhe bukabije n’umunyu mwinshi.
- Intsinzi mu myuzure ya SP:Ibigega by’amazi bifite ubushyuhe bwinshi kandi bifite umunyu mwinshi byatangaje ko byazamutse ku kigero cya 15% nyuma yo kunoza ubushyuhe bwa polymer hakoreshejwe SP blends na nanoparticle stabilization.
Ubushyuhe
Kwangirika kw'ingufu
Umwanda n'imikoranire y'ibinyabutabire
Ingamba zo kubungabunga ubukana bwa Polyacrylamide buhamye mu gihe cyose cyo gutera
Guteza imbere ikoreshwa ry'amafilimi
Electrolyte n'imicungire y'inyongeramusaruro
Uburyo bwo gukora no gukanika
Igenamiterere ry'Imikorere n'Ivugurura Rihoraho
Ingero zo mu Porogaramu zo mu Kibuga
Gupima neza ubukana bwa polymer zongerewe ubushobozi bwo kugarura amavuta bisaba gucunga neza ibi bintu bifite ingaruka no gukoresha ibikoresho bigezweho—kuva ku gushushanya kugeza ku kugenzura umurongo—kugira ngo habeho intsinzi mu bijyanye no gushakisha peteroli na gaze mu mazi y’uburengerazuba.
Polyacrylamide yo kongera uburyo amavuta agaruzwa
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Guharanira imikorere ihoraho ya polymer: Imbogamizi n'ibisubizo
Imyuzure ya polymer ikomeje kuvugurura peteroli mu bushakashatsi bwa peteroli na gaze mu mazi y’uburengerazuba ihura n’imbogamizi nyinshi mu mikorere zishobora kubangamira imikorere myiza no gukoresha polymer. Kubungabunga ubukana bwiza bw’umuti wa polyacrylamide ni ingenzi cyane, kuko nubwo hagira ikinyuranyo gito gishobora kugabanya imikorere y’ibigega n’ubukungu bw’umushinga.
Imbogamizi mu mikorere
1. Kwangirika kw'imashini
Polymeri za Polyacrylamide zishobora kwangirika mu buryo bwo guterwa no guterwa. Imbaraga nyinshi zo gukata—zikunze kugaragara mu mashini, mu miyoboro y’inshinge, no mu mihogo ifite imyenge mito—zica iminyururu miremire ya polymer, ibyo bigatuma ubushyuhe bugabanuka cyane. Urugero, polymer za HPAM zifite uburemere bwa molekile nyinshi (>10 MDa) zishobora kugabanuka cyane mu buremere bwa molekile (rimwe na rimwe zikagera kuri 200 kDa) nyuma yo kunyura mu bikoresho bikata cyane cyangwa mu ibuye rito ry’ikigega. Uku kugabanuka bivuze ko ubushobozi bwo gukata neza no kugenzura nabi uburyo bwo kugenda, amaherezo bigatera kugabanuka k’amavuta. Ubushyuhe bwinshi na ogisijeni ishongeshejwe byongera igipimo cyo kwangirika, nubwo impinduka mu gitutu no mu munyu nta ngaruka bigira muri uru rwego.
2. Kumenya no Kubika amazi mu Kigega cy'amazi
Molekile za Polyacrylamide zishobora kwinjizwa cyangwa gufatwa ku buso bw'amabuye y'agaciro mu rutare rw'ikigega, bigabanye ubwinshi bwa polymer bukwirakwira binyuze mu myenge. Mu mabuye y'umucanga, kwinjizwa mu buryo bw'umubiri, gufatirwa mu mitego, no gukorana n'amashanyarazi bigira uruhare runini. Ahantu hari umunyu mwinshi, hakunze kugaragara mu iterambere ry'ubutaka bw'amazi y'ubujyakuzimu na gaze, byongera izi ngaruka, mu gihe imiterere y'amabuye yacitse irushaho kugora inzira ya polymer - rimwe na rimwe igabanya kugumana ariko ku giciro cyo gukurura ubwinshi. Kwinjizwa mu buryo bukabije ntikugabanya gusa imikorere myiza y'imiti ahubwo bishobora no guhindura ubukana bw'ibintu biri mu mwanya wabyo, bigahungabanya uburyo bwo kugenzura uburyo ibintu bigenda.
3. Igisubizo cyo gusaza no guhuza imiti
Imisemburo ya polymer ishobora kwangirika mu buryo bwa shimi cyangwa ibinyabuzima mbere, mu gihe cyo guterwa, na nyuma yo guterwa. Ingufu zivanze (Ca²⁺, Mg²⁺) mu mazi zituma amazi ahuzwa neza kandi agwa, bigatuma ubushyuhe bugabanuka vuba. Kudahuza n'amazi ya saline cyangwa imbogamizi zituma ubushyuhe bugumana. Byongeye kandi, kuba hari udukoko twinshi dushobora kwangirika, cyane cyane mu gihe amazi akoreshwa mu kongera gukoresha. Ubushyuhe bw'amazi mu kigega n'uko umwuka wa ogisijeni uboneka byongera ibyago byo kwangirika kw'umunyururu utwarwa n'umwuka, birushaho kugira uruhare mu gusaza no kugabanuka k'ubushyuhe.
Igenzura ry'Imikorere hamwe no Gupima Ubucucike Buhoraho
Gupima ubukana buri hagati y'umurongono kugenzura ibitekerezo mu buryo bwikora mu gihe nyacyo ni ingamba zizewe mu rwego rwo kwemeza ireme ry’imikorere ya polymer. Ibikoresho bigezweho byo gupima ubukana bw’amavuta, nka icyuma gipima ubukana bw’amavuta (VVM), bitanga isuzuma ryikora kandi rihoraho ry’ubukana bw’ibisubizo bya polymer mu bintu by’ingenzi. Ibi bikoresho bikora hamwe n’ibipimo gakondo bya laboratwari n’ibidakoreshwa mu buryo busanzwe, bitanga ishusho yuzuye y’ubukana mu gihe cyose cy’imikorere yo kongera kugarura amavuta mu buryo bw’imiti.
Ibyiza by'ingenzi n'ibisubizo bitangwa n'izi sisitemu birimo:
- Kugabanya kwangirika kwa mekanike:Mu kugenzura ubukana bw'amazi mu gihe nyacyo, abakoresha bashobora guhindura umuvuduko w'amazi no kongera gushyiraho ibikoresho byo hejuru kugira ngo bagabanye uburyo bwo kuyakoresha. Urugero, kumenya hakiri kare ko ubukana bw'amazi bugabanuka—bigaragaza ko polymer igiye kwangirika—bituma habaho ibikorwa byihuse byo gukora, bigakomeza ubuziranenge bwa polyacrylamide.
- Gucunga Ingaruka zo Kumenya no Kubika Ibinyabutabire:Hamwe n'amakuru akoreshwa kenshi kandi yikora ku buryo bwikora, ububiko bwa polymer na porogaramu zo guteramo inshinge bishobora guhindurwa mu buryo buhindagurika. Ibi byemeza ko ubwinshi bwa polymer bwinjira mu kigega butuma habaho imikorere myiza, bigatanga indishyi ku byatakaye mu murima bitewe no kugumana.
- Kubungabunga imikorere y’ibinyabutabire mu bidukikije bikomeye:Gupima ubukana bw'ibinyabutabire ku buryo bworoshye bwo kugarura amavuta bituma hamenyekana vuba impinduka z'ubukana bw'ibinyabutabire bitewe n'imiterere y'amazi cyangwa ubusaza bw'umuti. Abakoresha bashobora guhindura mbere y'igihe imiterere ya polymer cyangwa urukurikirane rw'ibinyabutabire kugira ngo bagumane imiterere ya rheological, birinde ibibazo byo gutera no gusimbuka kw'ibinyabutabire mu buryo butari bumwe.
- Igipimo gisanzwe cyo mu murongo:Shyiramo uburyo bwo gupima ubukana bw'ibinure mu buryo bworoshye mu ruhererekane rw'ibicuruzwa—kuva ku maquillage kugeza ku inshinge no ku mutwe w'amazi.
- Igenzura ry’imikorere rishingiye ku makuru:Koresha sisitemu zikora zihindura uburyo bwo gutanga ibitekerezo bwa polymer, kuvanga, cyangwa ibipimo by'imikorere mu gihe nyacyo kugira ngo umuti watewe uhuze neza n'ubukana bw'ibicuruzwa.
- Guhitamo no Gutunganya Polima:Hitamo polimeri zakozwe kugira ngo zihamye/zibeho neza kandi zihuze n’ibidukikije bya ioni by’ikigega. Koresha polimeri zahinduwe ku buso cyangwa hybrid (urugero, HPAM ifite uduce duto cyangwa inyongera z’amatsinda) mu gihe umunyu mwinshi cyangwa divalent cations bidashobora kurenganywa.
- Ibikoresho Bikozwe mu buryo bwa “Shoar-Optimized”:Kora kandi usuzume buri gihe ibice by'ubuso (ipompo, valves, imiyoboro) kugira ngo ugabanye ibyago byo kwangirika, nk'uko bigaragazwa n'isuzuma ry'ubutaka n'icyitegererezo.
- Igenzura risanzwe:Emeza ibisubizo byo gupima ubukana kuri interineti ukoresheje uburyo bwa polyacrylamide isesengura ubukana bwa viscosity ikoreshwa muri laboratwari hamwe n'uburyo bwo gusuzuma imiterere y'ibimera mu murima.
Inama zo gucunga ubukana bw'amazi zigaragaza ko zikenewe mu buryo bufatika
Gukurikiza ubu buryo bwiza mu gukoresha polymer mu mirima y’amazi bifasha mu buryo butaziguye gukora neza mu bigega bya peteroli, gukomeza gukora neza mu mishinga yo kugarura peteroli ikoresha imiti, no kunoza iterambere ry’ibigega bya peteroli na gazi mu bice by’amazi y’ubujyakuzimu bigoye.
Kongera ubushobozi bwo gukaraba hakoreshejwe uburyo bwo kunoza imiterere y'ibice
Gukoresha neza amavuta ni ikintu cy'ingenzi mu ngamba zo kongera kugarura amavuta (EOR), cyane cyane mu gihe cy’amazi ya polymer. Bisobanura uburyo amazi yatewe anyura mu kigega neza, akava mu byobo by’inyongera ajyanwa mu byobo by’umusaruro, kandi agakura amavuta mu duce twose tworoshye no mu duce duto tworoshye. Gukoresha neza amavuta menshi bituma habaho imikoranire myiza hagati y’amavuta yatewe n’amavuta asigaye, bigagabanya uturere twarenzeho kandi bikongera uburyo amavuta yakurwamo n’ayoherezwamo.
Uburyo Kongera Ubukana Bwo mu Mutwe Bwongera Uburyo Bukoreshwa mu Gusukura
Polymeri zishingiye kuri Polyacrylamide, zikunze kuba polyacrylamide hifashishijwe hydrolyzed (HPAM), ni ingenzi mu kongera ubushobozi bwo kugarura amavuta mu mazi. Izi polymeri zongera ubukana bw'amazi yatewe, bityo bikagabanya uburyo amazi agenda (bikuraho uburyo amazi agenda ugereranyije n'uburyo amavuta agenda). Uburyo amazi agenda ari munsi cyangwa angana na bumwe ni ingenzi; bigabanya uburyo amazi agenda anyuramo kandi bigagabanya uburyo amazi agenda, ibibazo bikunze kugaragara mu gihe amazi agenda anyura mu mazi. Ingaruka ni uko amazi agenda ahindagurika kandi ahoraho, ari ingenzi cyane mu kunoza uburyo amazi agenda anyuramo mu bigega bya peteroli.
Iterambere mu gukora polymer—harimo no kongeramo uduce duto nka nano-SiO₂—rifite uburyo bwo kugenzura neza ubushyuhe. Urugero, sisitemu za nano-SiO₂-HPAM zikora imiterere y’urusobe rw’imiyoboro ihuza mu gisubizo, bikongera ubushyuhe n’ubukonje. Izi mpinduka zinoza imikorere myiza ya macroscopic sweep binyuze mu guteza imbere inzira imwe yo kwimuka no kubuza amazi gutembera mu nzira zinyuramo cyane, bityo ziganisha kuri peteroli yashoboraga kurenga. Inyigo zo mu murima no muri laboratwari zigaragaza ko impuzandengo y’ubwiyongere bwa peteroli ya 6% n’igabanuka rya 14% ry’umuvuduko w’inyongera hakoreshejwe sisitemu zigezweho ugereranije n’amazi asanzwe ya polymer, bigatuma ikoreshwa ry’ibinyabutabire rigabanuka kandi rikagira akamaro ku bidukikije.
Mu bigega bifite ubusumbane bwinshi, tekiniki zo gutera polymer zigenda zisimburana—nk'uburyo bwo guhinduranya slugs z'ibisubizo bya polymer bifite umunyu muke n'umunyu mwinshi—byoroshya uburyo bwo kunoza ubukana bw'amazi mu gace runaka. Ubu buryo bukorwa mu byiciro bukemura ibibazo byo gutera amashanyarazi hafi y'amariba kandi bukagera ku miterere y'ubukana bwifuzwa mu buryo bwimbitse mu miterere, bigatuma habaho imikorere myiza idahungabanya imikorere.
Isano y'ubwinshi hagati y'ubucucike, gusukura, no kugarura amavuta
Ubushakashatsi bwinshi n'ishyirwa mu bikorwa ry'ubushakashatsi bitanga isano isobanutse neza hagati y'ubukana bw'ibisubizo bya polymer, imikorere myiza yo gukurura, no kugarura amavuta mu buryo burambye. Isuzuma ry'amazi n'imitsi igaragaza buri gihe ko kongera ubukana bwa polymer bituma bigarura amazi; urugero, kuzamura ubukana bw'ibisubizo kugeza kuri mPa 215 byagaragaye ko byongera ibintu byo kugarura amazi ku kigero cya 71%, bikaba bigaragaza ko bizamukaho 40% ugereranyije n'amazi y'umusemburo. Ariko, hari uburyo bwiza bwo gukora: kurenza urugero rwiza rw'ubukana bishobora kubangamira uburyo bwo gukoresha cyangwa kongera ikiguzi cy'imikorere nta nyungu zingana mu kugarura amazi.
Byongeye kandi, guhuza cyangwa kurenza gato ubukana bw'amavuta ya peteroli ari mu mwanya wayo n'umuti wa polymer uterwamo—byitwa viscous/gravity ratio optimization—byagaragaye ko ari ingenzi cyane mu iterambere ry'ubutaka bwa peteroli na gaze mu mazi y'ubujyakuzimu. Ubu buryo bwongerera imbaraga ihindagurika rya peteroli binyuze mu kuringaniza imbaraga za capillary, gravity, na viscous, nk'uko byemezwa n'igereranya (urugero, modeles za UTCHEM) n'amakuru y'ubutaka nyabwo.
Uburyo bugezweho bwo gusuzuma, harimo ibikoresho byo gupima ubushyuhe bw'amavuta mu murongo hamwe n'igeragezwa ry'ubushyuhe bw'ubushyuhe bwa polymer rikora neza, bituma habaho isesengura rikomeye ry'ubushyuhe bw'umuti wa polyacrylamide mu gihe cy'ibikorwa bya EOR. Ibi bikoresho ni ingenzi mu kunoza ibikorwa, bituma habaho impinduka mu buryo bwihuse kandi bigakomeza kunoza imikorere mu gihe cyose cy'imyuzure.
Muri make, uburyo bwo kunoza neza ubukana bwa polymer buterwa n’amazi—bushyigikiwe n’ibipimo by’ubukana bukoreshwa mu murima ku ma polymer yongerewe ubushobozi bwo kugarura amavuta kandi bugashyigikirwa n’uburyo bugezweho bwo gukora ibishushanyo mbonera—ni inkingi ikomeye yo kongera ubushobozi bwo kugarura no kunoza ubwiyongere bw’ubwiyongere mu miterere y’ibikomoka kuri peteroli na gaze, cyane cyane mu bidukikije byo mu mazi menshi.
Ishyirwa mu bikorwa ry'imyuzure ya polymer inIbibanza bya peteroli na gaze byo mu mazi y'ubujyakuzimu
Gutegura, Kuvanga, no Kugenzura Ubuziranenge bwa Polymer mu buryo Busanzwe
Mu iterambere ry’ubutaka bwa peteroli na gaze mu mazi maremare, ishingiro ry’uburyo bwiza bwo kugarura peteroli hakoreshejwe polimeri ni ugutegura neza kandi buri gihe imiti ishingiye kuri polyacrylamide. Kwita cyane ku bwiza bw’amazi ni ingenzi; gukoresha amazi meza kandi yoroshye birinda imikoranire idakenewe igabanya ubukana bwa polyacrylamide mu kugarura peteroli. Uburyo bwo gusenya bugomba kugenzurwa—ifu ya polimeri igenda yongerwa mu mazi buhoro buhoro hamwe no gukurura ku rugero ruciriritse. Kuvanga vuba cyane bitera kwangirika kwa polimeri, mu gihe buhoro buhoro bitera gupfunyika no kurema umuti utuzuye.
Umuvuduko wo kuvanga uhindurwa hashingiwe ku bwoko bwa polymer n'ibikoresho, akenshi bigumana RPM iringaniye kugira ngo amazi yuzuye n'uburyo buhuye. Igihe cyo kuvanga cyemezwa binyuze mu gupima kenshi no gusesengura ubukana bw'umuti wa polyacrylamide mbere yo kuwukoresha. Ubunini bw'umuti bugenwa n'ibisabwa mu kigega kandi bukabarwa hakoreshejwe ibikoresho byo gupima ubukana bw'amavuta, bigereranya hagati yo kongera ubukana neza no kwirinda ibibazo byo gutera.
Uburyo bwo kubika ibintu mu nyanja bugomba gucungwa neza. Polyacrylamide ishobora kwangirika ku bushyuhe, urumuri n'ubushuhe, ikenera ahantu hakonje kandi humutse. Tegura imiti hafi y'igihe cyo kuyitera kugira ngo hirindwe kwangirika. Shyira mu bikorwa igenzura ry'ubuziranenge bw'ubutaka ufata ingero zisanzwe kandi ugakora isuzuma ry'ubushuhe bwa polymer rikora neza aho hantu, ukoresheje uburyo busanzwe bwo gupima ubushuhe bwa polymer. Amakuru atangwa mu gihe nyacyo atuma imiti iguma mu byiciro by'ingenzi, bigira ingaruka ku buryo butaziguye ku kunoza imikorere ya polymer.
Akamaro ko gukurikirana buri gihe no kuvugurura mu gihe nyacyo
Kubungabunga imikorere myiza ya polima mu gihe cyo gushakisha peteroli na gaze mu mazi y’ubujyakuzimu bisaba gukomeza gukurikirana ubukana bw’amazi mu murongo. Ikoranabuhanga nka vitemetero bya viteme bikoresha amakuru (VVMs), rheometers za ultrasonic, n'ibikoresho byo gupima ubukana bw'amazi mu murongo bitanga uburyo bwo gukurikirana imiterere y'amazi mu buryo nyabwo—ndetse no mu gihe cy'umuvuduko mwinshi, ubushyuhe bwinshi (HPHT), n'ahantu hahinduka umunyu.
Gupima mu buryo buhoraho kandi burambuye bituma hamenyekana impinduka mu miterere ya polymer mu gihe cyo kubika, kuvanga, gutwara no gutera. Izi sisitemu zihita zigaragaza ibyangiritse, ubwandu, cyangwa gushonga bishobora kwangiza ikoreshwa rya polymer mu butaka. Urugero, sensor zipima insinga zinyura mu mwobo zitanga imiterere y’ubushyuhe, zishyigikira uburyo bwo kugenzura ibipimo by’ishyirwamo kugira ngo bihuze n’ibikenewe mu kigega.
Abakoresha bakoresha ubu buryo bwo gusubiza ibintu mu buryo bwihuse kugira ngo bakore impinduka zifatika mu gupima ingano ya polymer, igipimo cyo gutera, cyangwa se bagahindura ubwoko bwa polymer bibaye ngombwa. Polymeri zigezweho za nanocomposite, nka HPAM-SiO₂, zigaragaza ko viscosity yazo ihamye, kandi ibikoresho byemeza neza imikorere yazo kurusha HPAM zisanzwe, cyane cyane iyo imikorere myiza mu bigega bya peteroli ishyizwe imbere.
Sisitemu z'amazi zigezweho n'ibikoresho byo kugenzura ikoranabuhanga bihuza ibipimo bya viscosity bya polymers zongerewe ubushobozi bwo kugarura amavuta mu buryo butaziguye mu byumba byo ku nkombe z'inyanja cyangwa mu byumba byo kugenzura. Ibi bituma gahunda zo gutera imiti zikorwa mu buryo bufatika kandi bushingiye ku buryo bwo kuyitera zikorwa mu buryo butunguranye kandi bigakemura vuba ibibazo nko gutakaza ingufu cyangwa gukwirakwiza ibintu mu buryo butangana.
Uburyo bwo Gushyira mu Bice by'Inyanja n'Inyanja Ibiri mu Nyanja Yinshi mu Mutekano no mu Burengerazuba
Gukoresha uburyo bwo kugarura peteroli mu nkombe z’inyanja bukoresha imiti ikoreshwa mu buryo bwa "chemical" bisaba ibintu byihariye mu mikorere no mu mutekano. Uburyo bwo kuzenguruka mu buryo bwa "modular skid" ni bwo buryo bwiza, butanga ibikoresho byoroshye kandi byakozwe mbere bishobora gushyirwaho no kwagurwa uko urwego rugenda rutera imbere. Ibi bigabanya uburyo bwo kuyishyiraho, igihe cyo kuyishyiraho, n'ikiguzi mu gihe binoza uburyo bwo kuyikoresha no kuyicunga neza.
Ikoranabuhanga rya polymeri rigizwe n'ibice binini rikomeza inshinge zitekanye kandi zikora neza. Polymeri zitwikiriwe n'imyambaro irinda kwangirika kw'ibidukikije, gukata ibyuma, no kumena amazi imburagihe kugeza igihe amazi yo mu kigega ahuye n'amazi. Uku gutanga igikoresho kigamije kugabanya igihombo, gutuma imikorere yayo ikora neza aho igera, kandi bikagabanya ibyago byo kwangirika kw'inshinge.
Ibisubizo bigomba kandi kugenzurwa niba bihuye n’ibikorwa remezo biri munsi y’inyanja. Ibi birimo gukoresha ibikoresho byo gupima ubukana bw’amavuta aho biri kugira ngo harebwe neza ibyagenwe mbere yo kwinjiza amazi muri sisitemu. Uburyo busanzwe bwo gushyiraho ibintu burimo ubuhanga bwo gutera amazi hakoreshejwe polymer-alternating-water (PAW), butuma habaho kugenzura no gukwirakwiza amazi mu bigega by’amazi yo mu nyanja bitandukanye cyangwa biri mu bice bitandukanye.
Gukurikiza amabwiriza y’umutekano mu nyanja birakenewe muri buri ntambwe: gucunga imiti myinshi, kuvanga, gupima ubuziranenge, gusukura sisitemu, no gutegura gahunda yo gutabara mu gihe cy’impanuka. Gupima ubukana bw’umuti wa polyacrylamide buri gihe—hamwe n’ibintu bidasanzwe n’ibirangaza—bituma habaho ihindagurika ry’imiterere mbere yuko bihinduka ubuzima, umutekano, cyangwa ibidukikije.
Uburyo bwo kunoza uburyo bwo gushyira ibiziba mu mwobo bufasha kuyobora ingamba zo kubyaza umusaruro, kunoza uburyo bwo kugarura peteroli no kugabanya ikoreshwa rya polima. Ibi byemezo bishingiye kuri algorithm bihuza imikorere ya tekiniki n'ibijyanye n'ibidukikije n'ubukungu, bigashyigikira ibikorwa birambye bya EOR byo mu mazi.
Imyuzure ya polymer yo mu mazi y’ubujyakuzimu ishingiye ku kugenzura kuva ku mpera kugeza ku mpera: kuva ku gutegura neza hakoreshejwe uburyo bwo kuvanga no gupima, binyuze mu kugenzura neza umurongo no guhinduranya mu buryo nyabwo, kugeza ku buryo bwo gutera peteroli mu buryo busanzwe, bukubiye mu gikarabiro, kandi bwizewe. Buri gice gitanga icyizere cyo gukoresha peteroli neza, kigamije kongera gukira, kandi kijyanye n’amahame agenga ibidukikije.
Guhuza Ibipimo by'Ubucucike mu Mikorere yo mu Kigo kugira ngo habeho EOR nziza
Imikorere yo gushyira mu bikorwa igenzura ry’ubucucike mu bikorwa byo mu murima
Gushyira hamwe uburyo bwo gupima ubukana bw'amazi mu buryo bwa "polymer flooding enhanced oil recovery" (EOR) mu gushakisha peteroli na gaze mu mazi y'ubujyakuzimu bihindura imikorere y'ubutaka kuva ku gupima intoki mu buryo bwihuse kugeza ku gutanga ibitekerezo byikora kandi bihoraho. Umurimo ukomeye urimo:
- Guhitamo no gushyiraho sensor:Hitamo ibikoresho byo gupima ubushyuhe bw'amavuta mu murongo bihuye n'ibikenewe mu mikorere. Ikoranabuhanga rigizwe n'ibikoresho bipima ubushyuhe bikoresha piezoelectric, ibikoresho bizenguruka bya Couette kuri interineti, n'ibikoresho bipima ubushyuhe bw'amajwi, byose bihuye n'imyitwarire ya viscoelastic kandi akenshi itari iya Newtonian ya polyacrylamide ikoreshwa muri EOR.
- Gupima no gushyiraho ibanze:Gupima ibikoresho by’ikoranabuhanga hakoreshejwe protocole zigezweho za rheological, ukoresheje uburyo bwo gupima buringaniye n’ubugari kugira ngo umenye neza uko ibintu bimeze mu mihindagurikire y’ikirere n’imiterere yabyo. Amakuru ajyanye n’ubugari bw’amashanyarazi aturuka ku gupima ubugari bw’amashanyarazi n’ubugari bw’amashanyarazi (DMA) akenshi atuma habaho ibisubizo byizewe, bikaba ari ingenzi mu iterambere ry’ubutaka bw’amazi menshi n’ubutaka bwa gazi.
- Gukusanya no Gukusanya Amakuru mu buryo bwikora:Gushyiraho ibikoresho byo gukusanya amakuru mu gihe nyacyo. Huza na sisitemu za SCADA cyangwa DCS kugira ngo amakuru y’ubuso ahuzwe hamwe n’ibipimo by’ingenzi by’imikorere. Imikorere yo gupima umurongo hamwe no kuvugurura imikorere y’ibanze mu buryo bwikora bigabanya imihindagurikire y’amakuru kandi bikongera imbaraga.
- Uburyo bwo Gutanga Ibisubizo Buhoraho:Koresha amakuru y’ubushyuhe mu gihe nyacyo kugira ngo uhindure uburyo polymer ikoreshwa, ikigereranyo cy’amazi kuri polymer, n’umuvuduko w’inshinge. Isesengura ry’imashini cyangwa isesengura ryifashishije ubuhanga bwa AI rirushaho kunoza ikoreshwa ry’ibinyabutabire no gukoresha neza ibigega bya peteroli, rigafasha abakozi bo mu kibuga gutanga inama zishobora gukorwa.
Urugero:Mu mushinga wa EOR wo mu mazi abira, gusimbuza ibizamini bya laboratwari hakoreshejwe sensor za piezoelectric ziri mu murongo hamwe na vitère viscosity byakozwe na viscosity byatumye hamenyekana kandi hakosorwa vuba viscosity excursions, bigabanya ipfa ubusa rya polymer kandi binoza imikorere myiza yo gukaraba.
Gucunga no Gusobanura Amakuru mu Gushyigikira Ibyemezo
Ibikorwa byo mu murima birushaho kwishingikiriza ku gufata ibyemezo mu buryo bwihuse kandi bushingiye ku makuru ajyanye n'ikoreshwa ry'imigezi ya polymer. Guhuza uburyo bwo gupima ubunini bw'amazi kuri polymer zongereye ubushobozi bwo kugarura amavuta bikubiyemo:
- Imbuga z'amakuru zihuriweho:Amakuru y’ubukana bw’amakuru aboneka mu gihe nyacyo anyura mu biyaga by’amakuru cyangwa mu bicu, bikorohereza isesengura ry’amakuru akoreshwa mu buryo butandukanye no kubika amakuru mu buryo bwizewe. Kwemeza amakuru mu buryo bwikora no kuyamenya mu buryo butari ubwabyo byongera ubwizerwe.
- Uburyo bwo kugarura induru n'uburyo bwo kuyikoresha mu buryo budasanzwe:Imenyesha ryikora rimenyesha abakoresha n’aba injeniyeri ibijyanye no gutandukana kwa viscosity ugereranyije n’aho bigeze, bigatuma haboneka igisubizo cyihuse ku bibazo nko kwangirika kwa polymer cyangwa kuvanga amazi mu buryo butunguranye.
- Gushushanya no gutanga raporo:Udupapuro tw’amakuru tugaragaza imiterere y’ubuso, uko ibintu bigenda, n’uburyo ibintu bihinduka mu gihe nyacyo, bifasha mu kugenzura neza uburyo ibintu bikoreshwa mu gushakisha no gukemura ibibazo byihuse.
- Guhuza no kunoza umusaruro:Amakuru yerekeye ubukana bw'ibinure, iyo ahujwe n'umusaruro n'ibipimo by'umuvuduko, ayobora ihinduka ry'ubucucike bwa polymer n'ingamba zo gutera amavuta kugira ngo umusaruro wongererwe.
Gushyira mu bikorwa isesengura ry’ubucucike no gukoresha ibikoresho mu bikorwa bya buri munsi bishimangira ishingiro rya EOR y’amazi ya polymer—bifasha abakora mu murima kugenzura neza imikorere y’ibicuruzwa, gusubiza ku buryo bihinduka, no gutanga peteroli ihendutse kandi yizewe mu gihe gito mu bikorwa bikomeye bya peteroli na gaze mu mazi menshi.
Ibibazo Bikunze Kubazwa (Ibibazo Bikunze Kubazwa)
1. Kuki viscosity y'umuti wa polyacrylamide ari ingenzi mu kuzura kwa polymer kugira ngo amavuta agaruke neza?
Ubushyuhe bw'umuti wa Polyacrylamide bugenzura neza uburyo amazi yatewe n'amavuta akoreshwa mu gihe cy'imyuzure ya polymer. Ubushyuhe bwinshi bw'umuti bugabanya uburyo amazi yatewe agenda, bigatuma amazi akoreshwa mu buryo bwiza kandi amazi agatangira kunyura mu mazi make. Ibi bituma umuti wa polymer wimura amavuta yafashwe neza, bigatuma amavuta agaruka mu mazi menshi no mu bibanza bya peteroli. Ubushyuhe bwiza kandi bugabanya uburyo amazi anyuramo mbere y'igihe kandi bukongera uburyo amavuta asohokamo, ari byo by'ingenzi mu kongera umusaruro hakoreshejwe uburyo bwo kongera ingufu mu kugarura amavuta. Ubushakashatsi bwemeza ko gukomeza kuzamuka kwa polyacrylamide ari ingenzi kugira ngo amazi akore neza kandi akoreshwe neza mu kugarura amavuta ya polymer.
2. Ni ibihe bintu by'ingenzi bigira ingaruka ku bushyuhe bwa polymer mu gihe cy'ibikorwa bya EOR?
Ibintu byinshi bifitanye isano n'imikorere n'ibigega bigira ingaruka ku bucucike bw'umuti wa polymer:
- Umunyu:Umunyu mwinshi, cyane cyane iyo urimo utubumbe dutandukanye nka kalisiyumu na manyeziyumu, ushobora kugabanya ubukana bwa polyacrylamide. Imiti igomba gukorwa kugira ngo ikomeze kuba myiza mu gihe amazi ari mu kigega cy'amazi.
- Ubushyuhe:Ubushyuhe bwinshi bw'ikigega bukunze kugabanya ubushyuhe bw'umuti kandi bushobora kwihutisha kwangirika kwa polymer. Polima cyangwa inyongeramusaruro zihamye zishobora gukenerwa ku butaka buri mu mazi menshi cyangwa ahantu hashyuha cyane.
- Igipimo cyo gukata:Gukata imashini, imiyoboro cyangwa imashini zikoresha imyenge bishobora gutuma ubushyuhe bugabanuka bitewe no kwangirika kw'imashini. Polima zigabanya ubushyuhe zirakundwa bitewe nuko zikomera mu duce twinshi.
- Ubwinshi bwa polimeri:Kongera ubunini bwa polymer byongera ubukana bw'umuti, bikongera uburyo bwo gusukura ariko bishobora kongera ibibazo byo gukoresha cyangwa ikiguzi.
- Umwanda:Kuba hari amavuta, ibintu bikomeye bivangwa n'uturemangingo, ndetse na mikorobe bishobora kwangiza polymer no kugabanya ubukana.
Guhuza uduce duto tw’ingufu nk’inyongeramusaruro (urugero, SiO₂) byagaragaje icyizere mu kongera ubukana n’ubudahangarwa, cyane cyane mu gihe cy’umunyu mwinshi n’ubushyuhe bukabije, ariko ingaruka zo kwikusanya zigomba gucungwa.
3. Ni gute gupima ubukana bw'amazi mu buryo bw'umurongo bifasha mu kunoza imikorere y'amazi ya polymer?
Gupima ubunini bw'amazi mu buryo bw'umurongo bitanga amakuru ahoraho kandi yihuse ku gisubizo cya polymer uko gitegurwa kandi kigaterwa. Ibi bitanga inyungu nyinshi:
- Igisubizo cyihuse:Abakoresha bashobora kubona impinduka z’ubushyuhe ako kanya no guhindura uko ibintu bimeze mu gihe gito ku bijyanye n’ubwinshi bwa polymer cyangwa ibipimo by’ingufu.
- Igenzura ry'Ubuziranenge:Igenzura ko buri gice cya polymer cyujuje ubukana bw’ibipimo, ikomeza gukora neza kandi ikagabanya imyanda.
- Ubushobozi bwo gukora neza:Bigabanya igihe cyo kudakora, kuko kunyura mu byiciro bidasaba gutegereza ibisubizo bya laboratwari bitinze. Igenzura ry’igihe nyacyo rishyigikira ikoranabuhanga, kugabanya ikiguzi cy’abakozi no kunoza ubukungu bw’umushinga wa EOR.
- Guteza imbere imikorere myiza ya Sweep Efficiency:Mu gukomeza kugabanya ubukana mu gihe cyose cyo gutera, gupima mu murongo byongera ubushobozi bwo gusukura no gukoresha neza peteroli, cyane cyane mu bidukikije bigoye cyane birimo peteroli na gaze mu mazi y’ubujyakuzimu.
4. Ni ubuhe bwoko bw'ibikoresho bikoreshwa mu gupima ubukana bw'amavuta muri EOR?
Ubwoko butandukanye bw'ibikoresho byo gupima ubukana bw'amavuta bukoreshwa mu bikorwa byo kongera kugarura amavuta:
- Ibikoresho byo mu bwoko bwa Viscometers:Gupima mu buryo bwihuse kandi buhoraho mu buryo butaziguye. Ni ibintu bikomeye kandi bikwiriye guhuzwa na sisitemu zo kugenzura zikora.
- Ibipimo bya Viscometer bizenguruka:Ibikoresho nka Fann-35 cyangwa rheometers bikoresha spindle izenguruka kugira ngo bipime ubukana bw'amazi. Ibi ni ibisanzwe haba mu bushakashatsi bwa laboratwari ndetse no mu bushakashatsi bukorerwa aho hantu.
- Amafunnel yo mu mazi n'amashusho y'insinga zihindagurika:Ibikoresho byoroshye kandi bitwara imizigo bitanga isuzuma ryihuse, nubwo ritarambuye, ry’ubukana.
- Isuzuma ry'imikorere myiza:Ibikoresho bipima ubukana bw'amavuta bigezweho hamwe n'igenamigambi ry'imashini, icyitegererezo cy'imibare, cyangwa uburyo bwo kwishyura ubushyuhe/umuvuduko birakoreshwa cyane, cyane cyane mu iterambere ry'ibicuruzwa bya peteroli mu buryo bw'ikoranabuhanga no mu bikorwa bihoraho byo kuzura polymer.
Guhitamo ibikoresho bingana bisaba ko habaho ubushishozi, gukomera kw'aho bikorerwa, ikiguzi, no guhuza amakuru mu bikorwa.
5. Ni gute kunoza imikorere y’ibicuruzwa bifasha mu kugarura peteroli mu bishanga by’amazi menshi?
Gukoresha neza amavuta bireba ingano y'ikigega cy'amavuta cyakozweho n'amazi yatewe. Mu iterambere ry'ubutaka bw'amavuta n'umwuka mu mazi maremare, itandukaniro, ubwinshi bw'ibipimo byo kugenda, no gukoresha imiyoboro bigabanya imikorere yo gukurura amavuta kandi bigatuma amavuta menshi adakoreshwa.
Kunoza imikorere myiza y’umusaruro binyuze mu gucunga ubushyuhe bitanga icyizere:
- Uburyo bwagutse bwo kuvugana:Umuti wa polymeri urimo kuzura cyane ukwirakwiza amazi mu nkengero z'amazi, ugabanye uburyo amazi anyuramo n'uburyo anyuramo.
- Amavuta adakoreshwa cyane:Gutunganya neza imiterere y'amazi bituma ahantu hatarasukwaga hagera n'amazi yatewe.
- Uburyo bwo kongera gukira:Kwimura neza peteroli bivuze ko umusaruro mwinshi w’ibikomoka kuri peteroli wiyongera.
Igihe cyo kohereza: Ugushyingo-07-2025



