I-Global LNG Pulse: Ubunzima Bokuphakelwa, Ukushintsha Kwemakethe, kanye Nendima Ebalulekile Yezixazululo Ezihlanganisiwe Ze-Skid
Isidingo Esiqhutshwa Yigagasi Lokushisa Sihlangabezana Nezinkinga Zengqalasizinda
Izimakethe ze-LNG zomhlaba wonke zidlula emanzini agcwele iziyaluyalu. Naphezu kokushisa okuphezulu kwehlobo okudala isidingo sokupholisa okuqopha umlando, idatha ye-Kpler yembula iqiniso elimangazayo: ukukhula kokuthunyelwa kwe-LNG ngo-2024 kwehle kwaya ku-0.4% kuphela—isivinini esihamba kancane kusukela ngo-2015. Lokhu kucindezelwa kuvela ekubambezelekeni kwephrojekthi yase-US kanye nezijeziso engqalasizinda yaseRussia, okuqinisa izimpahla ngisho nokungeniswa kwempahla kwase-Asia naseYurophu kukhuphuka. Amanani e-TTF aseYurophu akhuphuke ngo-1.2% ngesonto eledlule phakathi kokugcwaliswa kabusha kwesitoreji, kanye nezinqolobane ezingu-18.8% ngaphansi kwamazinga ka-2024. Okwamanje, impumelelo ebalulekile yokuhweba phakathi kwe-US ne-China yehlise amanani e-LNG kusuka ku-140% kuya ku-25%, kwavula kabusha izindlela zokugeleza kwegesi yaseMelika engabizi kakhulu eya e-Asia.
Ukugxuma Kwe-Liquefaction yaseShayina kanye Nomthetho Wokushelela Okumnandi
IShayina ivala igebe lokuphakelwa ngamandla. Izinyathelo zakamuva zifaka phakathi ukuqedwa komshini we-Sinopec's Longkou LNG, ukugijima okuzinzile kwe-CNPC kwezinsuku ezingama-20 esitshalweni sayo sokuhlola saseSichuan, kanye nokuqala kwesikhungo sokuqala sokucubungula i-cryogenic esinezimo eziningi saseShayina—igxathu lobuchwepheshe lokusetshenziswa kwegesi enenani eliphezulu. Lokhu kuthuthuka kuveza amandla abalulekile: ama-skid okugcoba igesi yemvelo eguquguqukayoLawa mayunithi ahlanganisiwe—ukuhlanganisa ukwelashwa kwama-amine, ukuhluzwa kwama-molecule, kanye nokususwa kwe-mercury—kuqinisekisa ukuthi igesi yokudla ihlangabezana nezilinganiso eziqinile zoketshezi (H2S
Ukubuyiselwa kwe-NGL: Kusukela Esikhungweni Sezindleko Kuya Enjinini Yenzuzo
Nakhu lapho isu lihlangana khona nethuba. Njengoba uGoldman Sachs ephawula, amanani e-NGL ahlelelwe ukwehla kakhulu, asondele ku-40% we-Brent crude equivalents ngo-2025. Lokhu akusikho okungabalulekile; kuyashintsha. Kuyasebenza kahle.Amayunithi okubuyisa i-NGL(isb., ama-demethanizer asekelwe ku-turbo-expander) angakhipha u-90%+ we-ethane, i-propane, kanye nezingxenyana ezisindayo—okuguqula igesi eseleyo ibe imikhiqizo enentengo ephezulu. E-Permian Basin kuphela, umkhiqizo we-NGL uzosondela ku-4,900 amathani ngosuku ngo-2025. Ezitshalweni zokukhiqiza uketshezi, ukuhlanganisa ukubuyiselwa kwemali akuyona nje inqubo yobuchwepheshe—kuwukubamba umfudlana wemali engenayo wesibili oqeda imingcele eguquguqukayo ye-LNG.
Isiyalo Sokuphelelwa Amanzi: Ukugwema Iphutha Le-Freeport
Uyakhumbula ukuqhuma kwe-LNG eFreeport ngo-2022? Ukumiswa kokuthunyelwa kwamanye amazwe okungu-$20B/ngosuku kwabangela ukuwa kwentengo kaphethiloli wase-US ngo-9%. Nakuba izimbangela eziyinhloko zazinezici eziningi, kwagcizelela iqiniso elingenakuphikiswana ngalo:amayunithi okuphelelwa amanzi emzimbeniziyizivikelo ezingaphambili. Ukungena kwamanzi angaphansi kuyingozi ekwakhekeni kweqhwa, kulimaze ama-turbine nama-valve, kuyilapho izinsalela ze-CO2/H2S zisheshisa ukugqwala. izinhlelo ze-triethylene glycol (TEG) noma imishini yokuhlanza i-desiccant kumele ifinyelele amaphuzu amazolo angu--150°F ngokwethembeka. Njengoba amaphrojekthi ekhula, ama-skid azenzakalelayo ane-real-time moisture analyzer kanye nemijikelezo yokuvuselela ayaba yindinganiso—ukuguqula ukuphelelwa amanzi emzimbeni kusuka entweni ethi “tick-box” kube yinto edingekayo yokumelana nobunzima.
Iphuzu Elibalulekile
Ukwenziwa koketshezi akuseyona inqubo ezimele. Kuyindlela yokuhlanza, ukululama, nokomisa ngokunemba. Izitshalo ezikwazi kahle lokhu kuhlanganiswa—ngokusebenzisa ama-skid athuthukile, ukuhlaziya okubikezelayo, kanye nokuqinisekisa i-NGL—zizobusa umjikelezo olandelayo. Labo abasalele emuva? Zisengozini yokuba yizindaba zokuqapha embonini lapho imingcele itholakala khona ekwelashweni kwangaphambi kwesikhathi.
Xhumana:
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