HDPE Liners in Carbon Steel Pipes Laola ho Corrosion ea Kakaretso libakeng tse kholo tsa Oli ea Onshore

Takatso ea ho felisa bothata bona le tlhoko ea ho hlalosa leano le nepahetseng la bokamoso ba taolo ea bots'epehi li lebisitse ts'ebelisong ea teko ea tšimo ea polyethylene (HDPE) ea polyethylene e phahameng haholo (HDPE) e hlalosang ts'ebeliso e atlehileng ea liphaephe tsa pampiri ea carbon selemo le selemo. Liphaephe tsa HDPE liphaepheng tsa tšepe tsa carbon ke mokhoa o bolokang chelete e ngata oa ho fokotsa ho bola ka hare ho liphaephe tsa oli ka ho arola lipeipi tsa tšepe ho tloha mokelikeli o senyang.Theknoloji e boloka chelete e ngata ho laola ho bola ka har'a lipeipi tsa oli.
Ho ADNOC, Flowlines e etselitsoe ho nka lilemo tse fetang 20. Sena ke sa bohlokoa bakeng sa tsoelo-pele ea khoebo le ho fokotsa litšenyehelo tsa ts'ebetso. Leha ho le joalo, ho boloka mela ena e entsoeng ka tšepe ea carbon e fetoha phephetso hobane e tlas'a ho bola ka hare ho tsoa ho metsi a senyang, libaktheria le maemo a tsitsitseng a bakoang ke litekanyetso tse fokolang tsa phallo.Kotsi ea ho hlōleha ha thepa ea botšepehi e eketseha ka lilemo le liphetoho sebakeng sa polokelo.
ADNOC e sebetsa liphaephe ka likhatello tsa 30 ho isa ho 50 bar, mocheso o fihlang ho 69 ° C le ho fokotsa metsi ho feta 70%, 'me e lahlehetsoe ke lisebelisoa tse ngata ka lebaka la ho senyeha ha liphaephe masimong a maholo a lebōpong la leoatle. e nang le kutu e matla ea ka hare.Maemo a ts'ebetso a neng a laela hore ho kenngoe ts'ebetsong ea ho fokotsa ho senyeha ha ka hare ho kenyeletsa pH e tlaase (4.8-5.2), ho ba teng ha CO2 (> 3%) le H2S (> 3%), tekanyo ea khase / oli e kholo ho feta 481 scf / bbl, mocheso oa mohala o moholo ho feta 55 ° C, phallo Mola oa khatello ka holimo ho 525 psi. mokelikeli o sa tsitsang, le ho ba teng ha libaktheria tse fokotsang sulfate le tsona li ile tsa ama mekhoa ea ho fokotsa.
Ho lahleheloa ke boima le tlhokahalo ea boholo le moralo o nepahetseng oa tsamaiso ea botšepehi ba nakong e tlang e ile ea fella ka ts'ebeliso ea teko ea tšimo ea theknoloji ea lining ea HDPE e slotted le e se nang flangeless ka lik'hilomithara tse 3.0 tsa Schedule 80 API 5L Gr.B lisenthimithara tse 6. Mekhoa ea ho felisa bothata bona.
The Gulf Cooperation Council (GCC) oli e kholo ea Hloahloeng ea Arabia e ne e kentse liner tsa HDPE ho tloha ka 2012 bakeng sa lipeipi tsa oli e tala le lits'ebetso tsa metsi. Oli e kholo ea GCC e sebetsang hammoho le Shell esale e sebelisa lilaene tsa HDPE bakeng sa lits'ebetso tsa metsi le oli ka lilemo tse fetang 20, 'me theknoloji e se e holile ka ho lekaneng ho sebetsana le ho bola ha oli ka hare.
Morero oa ADNOC o ile oa qalisoa karolong ea bobeli ea 2011 mme oa kenngoa karolong ea bobeli ea 2012. Tlhokomelo e qalile ka April 2012 'me ea phethoa karolong ea boraro ea 2017. The spools ea teko e ntan'o romelloa Setsing sa Borouge Innovation (BIC) bakeng sa tlhahlobo le tlhahlobo.Mekhahlelo ea katleho le ea ho hlōleha e behiloeng bakeng sa ho kenngoa ha li-pilot tsa HDPE le ho hlōleha ho behoa ka mor'a hore ho be le li-pilot tsa liaka lener ka HDPE liner, 'me ha ho na liner e putlamang.
Pampiri ea SPE-192862 e hlalosa maqheka a tlatsetsang katlehong ea liteko tsa masimo.Ho tsepamisitsoe maikutlo ke ho rala, ho rala liphaephe, le ho lekola tšebetso ea liphaephe tsa HDPE ho fumana tsebo e hlokahalang ho fumana maano a tsamaiso ea botšepehi bakeng sa ho kengoa tšebetsong ha liphaephe tsa HDPE liphaepheng tsa oli. liphaephe.E totobatsa mekhoa e metle bakeng sa ho felisa ho se tšepahale ha lipeipi ka lebaka la tšenyo e bakoang ke ho bola ka hare.
Pampiri e feletseng e hlalosa mekhoa ea ts'ebetsong ea li-gaskets tsa HDPE; khetho ea thepa ea gasket, tokisetso, le tatelano ea ho kenya; ho lutla ha moea le tlhahlobo ea hydrostatic; ho kenya moea le ho beha leihlo khase ka annular; tlhahiso ea line; le lintlha tse qaqileng tsa liphetho tsa tlhahlobo ea ka mor'a tlhahlobo.Letlapa la Streamline Life Cycle Cost Analysis le bonts'a khakanyo ea litšenyehelo tse hakantsoeng tsa carbon steel khahlano le HDPE linings bakeng sa mekhoa e meng ea ho fokotsa ho bola, ho kenyeletsoa ente ea lik'hemik'hale le likolobe, liphaephe tse se nang tšepe, le tšepe ea carbon e se nang letho.Qeto ea ho etsa teko ea bobeli e matlafalitsoeng ea tšimo ka mor'a tlhahlobo ea pele e ile ea boela ea hlalosoa ho hokahanya karolo ea pele ea li-connections. Hoa tsebahala hore li-flanges li atisa ho hloleha ka lebaka la khatello ea maikutlo e ka ntle. ho koetsoe ke metsi.
Teko ea lilemo tse 5 e tiisa hore tšebeliso ea liphaephe tsa HDPE liphaepheng tsa tšepe ea carbon e ka fokotsa ho bola ka hare ho liphaephe tsa oli ka ho arola lipeipi tsa tšepe ho maro a senyang.
Eketsa boleng ka ho fana ka ts'ebeletso e sa sitisoeng ea mohala, ho felisa likolobe tsa ka hare ho tlosa li-deposit le libaktheria, ho boloka litšenyehelo ka ho felisa tlhoko ea lik'hemik'hale tse thibelang sekhahla le likokoana-hloko, le ho fokotsa mosebetsi.
Sepheo sa teko e ne e le ho fokotsa ho bola ha lipeipi le ho thibela tahlehelo ea thepa ea mantlha.
Li-slotted HDPE liner tse nang le manonyeletso a se nang flanges a cheselitsoeng li sebelisoa 'moho le sistimi ea ho entoa hape e le ntlafatso e ipapisitseng le lithuto tse ithutoang ho tloha qalong ea li-liner tse hlakileng tsa HDPE tse nang le li-clip ho li-terminals tse nang le flanged.
Ho ea ka litekanyetso tsa katleho le ho hlōleha tse behiloeng bakeng sa mofofisi, ha ho na ho lutla ho tlalehiloeng phapeng ho tloha ha ho kenngoa. Teko e eketsehileng le tlhahlobo ea BIC e bontšitse phokotso ea boima ba 3-5% ho liner tse sebelisitsoeng, tse sa bakiseng ho senyeha ha lik'hemik'hale ka mor'a lilemo tse 5 tsa tšebeliso. litšitiso e lokela ho ba tsepamiso ea mantlha, moo likhetho tsa lining tsa HDPE (ho kenyeletsoa le lintlafatso tse seng li tsebisitsoe joalo ka ho nkela li-flanges sebaka ka likhokahanyo le ho tsoela pele ka lesela le ho sebelisa valve ea ho hlahloba lesela ho hlola phepelo ea khase ea lesela) ke Tharollo e tšepahalang.
Theknoloji ena e felisa tšokelo ea ho bola ka hare 'me e fana ka chelete e ngata ea ho boloka litšenyehelo tsa ts'ebetso nakong ea mekhoa ea phekolo ea lik'hemik'hale, kaha ha ho hlokahale phekolo ea lik'hemik'hale.
Ho netefatsoa ha masimo a theknoloji ho bile le tšusumetso e ntle ho tsamaiso ea botšepehi ba li-operators, ho fana ka likhetho tse eketsehileng bakeng sa tsamaiso ea ho senyeha ha ka hare ea "proactive flowline" ho fokotsa litšenyehelo ka kakaretso le ho ntlafatsa ts'ebetso ea HSE.
Theknoloji ea lesela la HDPE e khothaletsoa bakeng sa libaka tse teng tsa oli le khase moo ho dutla ha lipeipi le ho sitisoa ha mela ea ente ea metsi ho atileng.
Sesebelisoa sena se tla fokotsa palo ea liphoso tsa phallo e bakoang ke ho lutla ha kahare, ho lelefatsa bophelo ba phallo, le ho eketsa tlhahiso.
Lintlafatso tse ncha tsa sebaka sa marang-rang li ka sebelisa theknoloji ena bakeng sa taolo ea corrosion ea marang-rang le ho boloka litšenyehelo mananeong a ho beha leihlo.
Sengoliloeng sena se ngotsoe ke JPT Technical Editor Judy Feder mme se na le lintlha-khōlō tse tsoang pampiring ea SPE 192862, "Innovative Field Trial Trial Results of Flangeless Grooved HDPE Liner Application in a Super Gigantic Field for Oil Flowline Internal Corrosion Management" ke Abby Kalio Amabipi, SPE, Marwan Hamad Salemhe, Gup Prasander Grand Kuru, Siva Prasander le Gup Prasander. Mohamed Ali Awadh, Borouge PTE; Nicholas Herbig, Jeff Schell le Ted Compton of United Special Technical Services for the 2018 2018 in Abu Dhabi, November 12-15 Itokisetse Pontšo le Seboka sa Machaba sa Abu Dhabi sa Petroleum.Pampiri ena ha e so hlahlojoe ke lithaka.
Journal of Petroleum Technology ke koranta e ka sehloohong ea Mokhatlo oa Baenjiniere ba Petroleum, e fanang ka litlhaloso tse matla le likarolo tse mabapi le tsoelo-pele ea theknoloji ea lipatlisiso le tlhahiso, litaba tsa indasteri ea oli le khase, le litaba tse mabapi le SPE le litho tsa eona.


Nako ea poso: Feb-13-2022