Vacuum Insulated Tubing
Sehlahisoa: Habeli-tubing e sirelelitsoeng leboteng bakeng sa mouoane,{1}}oli e boima le liliba tsa mocheso oa mocheso
Thempereichara: Ho fihla ho 400 digrii tsa tshebeletso e nang le k-boleng bo tlase ho tshehetsa ho fokotsa tahlehelo ya mocheso
Material & Kereiti: API 5CT e seamless tubing ka limaraka tsa N80–Q125
Boholo ba mefuta: 2-7/8"×1.9" ho isa ho 7"×5-1/2", R2/R3, manonyeletso a pup a insulated a fumaneha
Boleng: Vacuum e 'ngoe le e 'ngoe e kopaneng-e lekoa, NDT + thermal e lekoa ka litifikeiti tse felletseng tse ka latelloang
Projeke e 'ngoe le e 'ngoe ea mouoane- ea ente kapa mocheso oa mocheso o chesang o sebelisa chelete e ngata ho fetola mafura hore e be-mouoane oa boleng bo holimo. Ka khoele e tloaelehileng ea li-tubing, karolo e kholo ea matla ao e lahleheloa ke tsela e theohang: boleng ba mouoane bo theoha, oli e lula e le mahlahahlaha, boka ba boka le sekala, casing e chesa 'me, ka permafrost, mobu o potolohileng seliba o ka qala ho qhibiliha. Ha basebetsi ba fihla ntlheng ena, potso ha e sa le "mouoane o eketsehileng?" empa "re boloka mocheso joang moo ho leng bohlokoa?"
Octal Pipe'sinsulated tubing, e tsejoang hape e levacuum insulated tubing (VIT), e etselitsoe hantle liliba tsena. Lenonyeletso le leng le le leng ke{1}}kopano ea lebota e habeli e nang le tube ea ka hare ea tlhahiso le tube ea ka ntle ea carrier. The annulus e tlatsitsoe ka{3}}mosebetsi o phahameng{3}'me e fallisetsoa sebakeng se phahameng, se nang le likarolo tse khanyang le li-getters to block conduction, convection le radiation ka nako e le 'ngoe. Ha ho bapisoa le li-tubing tse se nang letho, VIT string ea rona e fana ka boleng bo holimo haholo-boleng ba lesoba, mocheso o tlase oa annulus le tahlehelo e nyane haholo ea mocheso ka limithara.
E hahiloe holima limaraka tsa API 5CT tse kang N80, L80 le P110 ka BTC kapa premium gas-mahokelo a thata, Octalpele{0}}tubing e insulatede ka tsamaisoa ka thepa e tloaelehileng ea OCTG, empa e u fa tšebetso ea mocheso e hlokahalang bakeng sa-ente ea mouoane o boima, ntlafalo e boima ea leoatle-ea leoatle, liliba tsa permafrost le{2}}enthalpy geothermal projects tse phahameng.
Kamoo Octal Insulated Tubing e Sebetsang Kateng
Octal insulated tubing e hahiloe joalo kathapo e habeli{{0}ea leboteng e bohareng ba lebota. Lenonyeletso le leng le le leng le na le e nyanetube e ka harese jereng maro a seliba le se seholoanyanetube e ka ntlee sireletsang phutheho. Li-tubes tse peli li kopantsoe hammoho lipheletsong ka bobeli, ho etsa hore ho be le tiisosebaka sa annular insulationpakeng tsa tsona. Manonyeletso a hokahane ka selibeng ka API BTC kapa likhokahano tsa premium, kahoo khoele e felletseng e sebetsa joalo ka li-tubing tse tloaelehileng.
Moqapi oa mocheso o itšetlehile ka ho khaola tsohlemekhoa e meraro ea mantlha ea mocheso-ea phetisetso - conduction, convection le radiation - ka har'a annulus:
- Aluminium foil bakeng sa ho thibela mahlaseli
Foil ea aluminium e bonts'ang e phuthetsoe ka har'a annulus ho bonahatsa mahlaseli a infrared ho khutlela ho tube e chesang e ka hare. Sena se fokotsa haholo tahlehelo ea mocheso o khanyang mochesong o phahameng oa mouoane.
- Insulation lisebelisoa bakeng sa taolo ea conduction
Sebaka se pakeng tsa peipi e ka hare le ea ka ntle e tlatsitsoe-ka mokelikeli o tlaase (joaloka phofo ea perlite kapa ultra{1}}fine glass wool). Sena se eketsa ho hanyetsa mocheso oa annulus le ho fokotsa mocheso o tsamaisang mocheso.
- Vacuum le getters ho hatella convection
Ka mor'a ho kopana, annulus e isoa sebakeng se phahameng sa vacuum 'me se kenngoe ka li-getter tse lulang li monya likhase tse setseng. Ka hoo e ka bang ha ho na khase e setseng ho tsamaea, phetisetso ea mocheso ea convective ka har'a annulus e felisoa ka katleho.
- Phekolo ea-pele ho khatello ea maikutlo ea kahare bakeng sa polokeho
Peipi e ka hare e fuoa khatello e laoloang pele-ka pele ho tjheseletsa ea ho qetela, e le hore katoloso le ho honyela ha mocheso nakong ea tjheseletso le ts'ebetso ea lebaleng li se ke tsa baka khatello e kotsi. Sena se thusa ho boloka sebaka sa weld le lenonyeletso lohle le bolokehile ka har'a linako tse ngata tsa ho futhumatsa le ho pholisa.
Ka ho kopanya{0}lipeipi tsena tse habeli leho sireletsa mahlaseli a kotsi, ho sireletsoa ho tiileng, vacuum e phahameng le khatello ea maikutlo e ka hare-pele{1}}, Octal insulated tubing e fokotsa tahlehelo ea mocheso haufi le seliba ha e ntse e sebetsa joalo ka thapo e tloaelehileng ea OCTG.
Ntlha ea bohlokoa ea boenjiniere ke hore ts'ebetso ea mocheso ha e khethoe ka thepa ea ho kenya letsoho feela. Tšebeletsong ea tšimo, tahlehelo ea mocheso e angoa haholo ke botsitso ba annulus, ho fela-weld integrity le joint{2}}taolo ea mocheso ka mor'a ho palama baesekele khafetsa. Ke ka hona pre{4}}stressed insulated tubing e leng bohlokoa haholo ts'ebeletsong ea mouoane ho fapana le ts'ebeletso e tsitsitseng-ea mocheso feela.
Lisebelisoa tsa Bohlokoa - Moo Octal Insulated Tubing e Sebelisoang
| Boemo ba kopo | Phephetso ea ts'ebetso | Kamoo Octal insulated tubing e thusang kateng |
|---|---|---|
| Liliba tse tebileng tsa{{0}metsi/maoatleng a leoatle-a boima | Mocheso o tsoang mokelikeli o chesang o fetela ka har'a casing annuli, o haha khatello ea annulus le ho pholisa oli e boima tseleng e nyolohang. | Vacuum insulated tubinge fokotsa mocheso o lutlang ka har'a annulus, e tsitsisa khatello ea metsi 'me e boloka maro a hlahisoang a chesa ho feta, ho ntlafatsa{0}oli e tsamaeang ka thata ntle le ho futhumatsa holimo. |
| Hydrate-liba tsa khase tse nyenyefatsang le libopeho tsa hydrate | Nakong ea ho koaleha-kapa ho theoha-ho theoha ha mocheso, ho theoha ha thempereichara ho ka etsa hore methane{2}e be teng ka har'a seliba kapa haufi le hydrate{3}}ka methati e behang metsi. | Boemo ba thempereichara bo tsitsitseng haholoanyane bo liehisa hydrate, bo koala sekheo ka mokhoa o sireletsehileng-ka fensetere 'me bo thusa ho sireletsa hydrate-mehato ea metsi haufi le tsela ea seliba. |
| Ente ea mouoane bakeng sa oli e boima (SAGD / CSS) | Mouoane o lahleheloa ke boleng ka har'a li-tubing tse tloaelehileng, ha casing le samente li bona libaesekele tse phahameng tsa mocheso le kotsi ea ho tsamaisa mouoane. | Vacuum insulated tubing (VIT)e fana ka mouoane o chesang letamong, e fokotsa mocheso ka har'a casing/samente le ho fokotsa kotsi ea mokhathala oa mocheso le kanale ea mouoane haufi le annulus. |
| Onshore wax{0}prone crude & tiisetso ea ho phalla | Crude e phola ka har'a tubing string, e bakang boka, sekali kapa asphaltene depositi e fokotsang tlhahiso 'me e hloka ho hloekisoa ha-khafetsa. | Insulated tubing e liehisa ho bata, e boloka mokelikeli o le ka holim'a mocheso oa boka nako e telele 'me e atoloha a hloekile{{0}ka linako tse itseng, e thusa tlhahiso hore e lule e le haufi le litekanyetso tsa moralo. |
| Liliba tsa metsi a chesang a mongobo le a chesang- | Mocheso o lahleheloa ke mocheso o tebileng ho ea ho li-aquifer tse sa tebang le liliba, ho fokotsa mocheso le ho sebetsa hantle ha semela. | Insulation e fokotsa tahlehelo ea "mocheso{{0}mopokotlong" e khuts'oane selibeng, kahoo mocheso o mongata o fihla holim'a lisebelisoa, ho ntlafatsa setereke-mocheso kapa matla-ho sebetsa hantle ha tlhahiso. |
| Liliba tsa Permafrost le Arctic | Ente e chesang kapa likhoele tsa tlhahiso e ka qhibilihisa permafrost ho potoloha seliba, e sokela botsitso ba pad le lisebelisoa tsa holim'a metsi. | Octal insulated tubing e theha mokoallo oa mocheso pakeng tsa phallo e chesang ea ka hare le mokotla oa ka ntle, e thusang ho boloka botšepehi ba permafrost le ho sireletsa metheo bophelo bohle ba seliba. |
Lelapa la sehlahisoa le ka utloisisoa ka ho hlaka ka litsela tse hlano tse tobileng- tsa tšebeliso: -ho hlaphoheloa ha mocheso o boima oa oli, ho thibela ho qhibiliha ha permafrost libakeng tsa oli le khase, li-anti{2}}wax wellbores, ho futhumala ha mobu le ho fehla motlakase, le liliba{3} tse chesang{3} tsa selemo. Sena se thusa ho bontša hore letoto ha le felle feela ho ente ea mouoane feela; e ka boela ea khethoa ho latela mosebetsi oa ho boloka mocheso-mocheso-metsing a chesang le a mocheso oa mobu.
Liliba{0}tse chesang tsa selemo
Bakeng sa ntshetsopele ea selemo-e chesang, boleng ba li-tubing tse nang le insulated kapa pipe e thibelang mocheso ha se feela ho fokotsa tahlehelo ea mocheso, empa hape ke ho boloka mocheso oa bohlokoa o fumaneha ho tloha botebong ho isa ho o mong. Mererong e joalo, mocheso o phahameng oa phallo le ho boloka mocheso o tsitsitseng haholoanyane o ka ntlafatsa boleng ba khoebo ea seliba le ho fokotsa tahlehelo ea mocheso nakong ea ho pepa.
Boholo ba Range le Lintlha tsa Motheo
Ho etsa hore tlhahlobo ea mohlala e be bonolo, lintlha tsa boholo karolong ena li hlophisitsoe ka lihlopha tse arohaneng tsa litafole. Tafole ea pele e akaretsa lelapa le tloaelehileng la vacuum insulated tubing le sebelisoang haholo bakeng sa ente ea mouoane, -tlhahiso e boima ea oli le litšebeletso tse ling tsa oli sebakeng sa oli. Sehlopha sa bobeli sa tafole se eketsa boholo ba li-tubing tsa insulated le litekanyetso tsa ho kenya letsoho bakeng sa mosebetsi oa cyclic thermal. Tafole ea boraro e bontša mefuta e tloaelehileng ea lipeipi tsa Octal tse sebelisoang ka ho toba mochesong oa mocheso oa mocheso oa mocheso oa mocheso oa mocheso oa mocheso oa mocheso oa mocheso oa mocheso oa mocheso oa mocheso o chesang oa mocheso oa mocheso oa mocheso oa mocheso oa mocheso oa mocheso oa mocheso oa mocheso oa mocheso oa mocheso oa mocheso o chesang oa mocheso oa selemo le selemo{5}}ho boloka mocheso oa selemo{6}}ho baballa. Ho boloka malapa ana a arohane ho nolofatsa tlhahlobo ea RFQ hape ho thusa ho khetholla lithapo tse tloaelehileng tsa oli ho tloha ho geothermal insulation{8}}lipeakanyo tsa liphaephe.
Octal vacuum insulated tubing e fumaneha ho sehlopha se latelang sa baemeli bakeng sa oli le mouoane-litšebeliso tsa litšebeletso.
| Khoutu ea boholo | Peipi e ka ntle (inch / mm) | Peipi e ka hare (inch/mm) | Hoo e ka bang. Phallo ID (mm) | Khokahano e tloaelehileng OD (mm) | Boima ba yuniti (kg/m) |
|---|---|---|---|---|---|
| 73 × 40 | 2-7/8" × 5.51 mm lebota (73.02 mm OD) | 1.9" × 3.68 mm lebota (48.26 mm OD) | ≈ 40.9 | ≈ 88.9 (BTC / premium) | ≈ 13.5 |
| 89 × 50 | 3-1/2" × 6.45 mm lebota (88.9 mm OD) | 2-3/8" × 4.83 mm lebota (60.32 mm OD) | ≈ 50.7 | ≈ 108 | ≈ 20.5 |
| 114 × 76 | 4-1/2" × 6.88 mm lebota (114.3 mm OD) | 3-1/2" × 6.45 mm lebota (88.9 mm OD) | ≈ 76.0 | ≈ 132.1 (BTC) | ≈ 32 |
| 140 × 101 | 5-1/2" × 7.72 mm lebota (139.7 mm OD) | 4-1/2" × 6.35 mm lebota (114.3 mm OD) | ≈ 101.6 | ≈ 160 (BTC) | ≈ 43 |
| 178 × 124 | 7" × 9.19 mm lebota (177.8 mm OD) | 5-1/2" × 7.72 mm lebota (139.7 mm OD) | ≈ 124.3 | ≈ 200 (BTC) | ≈ 65 |
Bakeng sa merero e nang le libaesekele tse pheta-phetoang tsa mocheso, lelapa la boholo ba li-tubing tse kentsoeng ka prestressed hammoho le insulation{0}}likarolo tsa kereiti le tsona lia fumaneha. Lintlha tsena li bonts'oa hantle ka tlase ho tafole e tloaelehileng ea VIT e le litšupiso tsa tlatsetso bakeng sa khetho ea litšebeletso tse futhumatsang-, haholo-holo moo bareki ba hlokang ho bapisa boholo, enfelopo ea khokahanyo, boima ba yuniti le ts'ebetso ea ho koala mohatong o le mong oa tlhahlobo.
| Boholo khoutu |
Peipi e ka ntle (inch / mm) | Peipi e ka hare (inch/mm) | Phallo ID / lekhalo la annulus (mm) |
Mofuta oa khokahano / OD (mm) |
Boima ba yuniti (kg/m) |
|---|---|---|---|---|---|
| 73 × 40 | 2-7/8" × 5.51 mm lebota (73.02 mm OD) | 1.9" × 3.68 mm lebota (48.26 mm OD) | 40.9 / 6.87 | USS / 88.9 | 13.5 |
| 89 × 50 | 3-1/2" × 6.45 mm lebota (88.9 mm OD) | 2-3/8" × 4.83 mm lebota (60.32 mm OD) | 50.66 / 7.84 | USS / 108 | 20.5 |
| 114 × 76 | 4-1/2" × 6.88 mm lebota (114.3 mm OD) | 3-1/2" × 6.45 mm lebota (88.9 mm OD) | 76 / 5.82 | BTC / 132.1 | 32 |
| 140 × 101 | 5-1/2" × 7.72 mm lebota (139.7 mm OD) | 4-1/2" × 6.35 mm lebota (114.3 mm OD) | 101.6 / 4.98 | BTC / 160 | 43 |
| 178 × 124 | 7" × 9.19 mm lebota (177.8 mm OD) | 5-1/2" × 7.72 mm lebota (139.7 mm OD) | 124.26 / 9.86 | BTC / 200 | 65 |
Bakeng sa ho futhumala ha mobu o chesang, ho fehla matla a fehlang mocheso oa mobu le liliba tsa selemo tse chesang-, lelapa la sehlahiswa le kenyeletsa le lelapa le arohaneng la phala ya Octal insulation. Ho hlahisa mefuta ena tafoleng e ikemetseng ho etsa hore mocheso oa mocheso o chesang le o chesang- o bapise lisebelisoa tsa metsi a chesang le a chesang habonolo ntle le ho li kopanya le mouoane{3}}ka boholo ba litšupu tsa litšebeletso, 'me ho fa bareki sebaka se hlakileng sa ho qala mocheso{4}}moqapi oa mocha oa ho baballa le khetho ea mohlala.
| Boholo khoutu |
Peipi e kantle (OD / WT, mm) | Peipi e ka hare (OD / WT, mm) | Bore ID / annulus gap (mm) |
Mofuta oa khokahano / OD (mm) |
Boima ba yuniti (kg/m) |
|---|---|---|---|---|---|
| 89 × 62 | 89 × 4 | 70 × 4 | 62 / 5.5 | NU / 108 | 15.2 |
| 95 × 62 | 95 × 4.5 | 73.02 × 5.51 | 62 / 6.49 | EU / 108 | 20 |
| 114 × 81 | 114.3 × 5 | 89 × 4 | 81 / 7.65 | BTC / 127 | 22.6 |
| 140 × 100 | 139.7 × 6 | 108 × 4 | 100 / 8.87 | BTC / 154 | 31 |
| 219 × 182 | 219 × 7 | 194 × 6 | 182 / 5.5 | SC / 234 | 66 |
Mekhahlelo ea Ts'ebetso ea Thermal
Ho etsa hore khetho ea boenjiniere e be bonolo, Octal insulated tubing e fanoa ka tse 'maloalimaraka tsa mocheso:
- Sehlopha sa B– λ ≈ 0.06–0.04 W/(m·℃)
- Mophato C– λ ≈ 0.04–0.02 W/(m·℃)
- Sehlopha sa D– λ ≈ 0.02–0.006 W/(m·℃degree )
- Mophato E– λ ≈ 0.006–0.002 W/(m·℃)
Ha boemo bo phahame, tahlehelo ea mocheso e tlase ka mithara le ho fetaboleng bo tlase-ka lesoba la mouoanebakeng sa boemo bo fanoeng ba bokahodimo. Sehlopha sa rona sa boenjiniere se ka etsa mohlala oa tahlehelo ea mocheso le botebo e le hore u bone phapang lipakeng tsa li-tubing tse tloaelehileng, tsa mantlhapele{0}}tubing e insulatedle{0}grade ea holimo ea Octal VIT hammoho le boemo ba hau ba seliba.
| Boemo ba ho itšireletsa | B | C | D | E |
| Thermal conductivity λ W / (m· degree) |
0.06 > λ >= 0.04 | 0.04 > λ >= 0.02 | 0.02 > λ >= 0.006 | 0.006 > λ >= 0.002 |
Bakeng sa khetho e sebetsang, kereiti ea mocheso e lokela ho baloa hammoho le mosebetsi oa ts'ebeletso. Ka har'a projeke ea mouoane-ea enteng le{2}}ea oli e boima, ho theola mocheso oa mocheso ho bolela boleng bo phahameng ba mouoane bo tebileng ba letamo le ho fokotsa mocheso o sa batleheng ka har'a annulus. Liprojekeng tsa geothermal le hot{4}}spring, thermal conductivity e tlase e bolela mocheso o phahameng oa mocheso le mocheso o sebetsang haholoanyane holim'a metsi. Ke ka lebaka leo boemo ba "insulation" bo lokelang ho tlamahanngoa le tekanyo ea matla a morero, eseng ho nkoa e le nomoro ea lethathamo le ka thōko.
Moralo oa Thermal & k-Ts'ebetso ea Boleng bakeng sa Octal Insulated Tubing
Bakeng sa bareki ba li-tubing tsa insulated, lipotso tsa bohlokoa ha se feela "o na le boholo bofe?", empa:
- Nka boloka tahlehelo e kae ea mocheso selibeng sa ka?
- Na moetso o lokiselitsoe{{0}metsi a tebileng, ente ea mouoane kapa maemo a lebopong?
- A na nka bona k-boleng le boemo ba mocheso pele ke odara?
Ho araba tsena, Octal e tšoarainsulated tubingjoalo ka mokhoa oa boenjiniere, ha se mofuta o le mong-o lekanang-lihlahisoa tsohle.
Mosebetsing o sebetsang oa moralo, li-tubing tse insulated li khethoa ka sepheo sa ts'ebeletso, mosebetsi oa mocheso le boemo bo botle, eseng ka OD feela. Hangata tlhahlobo e qala ka sepheo sa ts'ebetso: ho boloka boleng ba mouoane ho ea botebong ba metsi lilibeng tsa CSS kapa tsa SAGD, ho fokotsa mocheso o lutlang sebakeng se tebileng-ho hlahisoeng ha metsi, ho fokotsa ho theoha ha mocheso lilibeng{2}} tse haufi le lebōpo, ho sireletsa libaka tse leqhoa libakeng tse batang haholo, kapa ho boloka mocheso o ka sebelisoang le metsi a chesang.{3} Ho tloha moo, khoele ea li-tubing e hlalosoa ka kereiti ea insulation, sepheo sa annulus vacuum, sebopeho sa ts'ehetso, taolo ea mocheso le ts'ebeletso{5}}litlhoko tsa bophelo tlas'a ho palama baesekele khafetsa.
Mokhoa ona o fa bareki motheo o sebetsang haholoanyane oa ho bapisa sethaleng sa morero. Ho e-na le ho bapisa li-tubing ka boholo le mofuta oa khoele, khetho e ka hlahlojoa khahlano le tahlehelo ea mocheso e lebelletsoeng, tlase{1}}mosoba kapa mocheso o tsoang ka ntle, mocheso oa annulus, ho lekana{2}}ka botebo le hore na moaho o reretsoe ente ea mouoane, ho tiisetsoa ha phallo e tebileng{3}ea metsi, tefiso ea mocheso o ka holim'a leoatle kapa likanale tsa ho boloka mocheso oa mocheso o phahameng oa lefatše{4}. Eo hape ke mabaka a likarolo tse ka tlase: tlhophiso pele, e ntan'o ba taolo ea mocheso{{6}ka mor'a selemo, e ntan'o ba k-mohlala oa boleng le mocheso, 'me qetellong bophelo ba tšebeletso le bolelele ba bolelele.
1. Litlhophiso tse tsamaellanang le maemo a sebaka
Sebakeng sa moaho o le mong, Octal e fana ka litlhophiso tse 'maloa tsa ho kenya letsoho tse hahiloeng holim'a mohopolo o ts'oanang oa pompo ea kahare / kantle. Bakeng sa tlhahiso ea metsi a tebileng{{1}re tsepamisa maikutlo ho-botsitso ba nako e telele le bo tlase haholo ba k{3}}ho laola mocheso oa annulus le kotsi ea metsi; bakeng sa merero ea mouoane (CSS / SAGD) re totobatsa matla a phahameng a-mocheso le ho hana ho palama libaesekele; bakeng sa liliba tse lebōpong la leoatle le tšireletso ea permafrost re leka-lekanya matla a ho kenya letsoho le litšenyehelo le meroalo ea mechine. Tlhophiso e 'ngoe le e' ngoe e hlalosoa ka boemo ba eona ba ho pata, boemo ba vacuum le sebopeho sa ts'ehetso ea ka hare, kahoo o ka bapisa khoele ea VIT le tšimo ea hau ho e-na le ho ikamahanya le lebala ho li-tubing.
2. Taolo ea convection, conduction le radiation ka annulus
Meetso ea rona e kopanya mekhoa e meraro ea ho fokotsa phetiso ea mocheso lipakeng tsa phala ea kahare le kantle:
- Taolo ea convection- annulus e ntšoa ho ea boemong bo hlalositsoeng, kapa e tlatsoa ka khase ea inert moo ho loketseng, kahoo ho na le mokelikeli o fokolang o setseng ho tsamaisa mocheso ka convection. Li-Getters ka annulus li thusa ho boloka boemo bona bophelong bohle ba seliba.
- Taolo ea ho tsamaisa- litšehetso tse arohaneng ka hloko li boloka liphaephe tse ka hare le tsa ka ntle li lumellane ha li ntse li fokotsa sebaka sa ho ikopanya le tšepe, ho boloka lekhalo la ho kenya letsoho esita le tlas'a mojaro le liphetoho tsa mocheso.
- Taolo ea mahlaseli– multi-layer insurance layers with reflective and non{1}}conductive layers (tse ts'oanang hantle le lits'ebetso tsa MLI) e fokotsa ho fetisoa ha mocheso o khanyang mochesong o phahameng oa mouoane.
Ha ho hlokahala, ho sebelisoa insulation e eketsehileng ho pota-potasebaka se kopanenge le hore likhokahano li se ke tsa fetoha "hot spots" khoeleng.
3. k-ts'ebetso e ipapisitseng le boleng le mohlala oa mocheso
Ts'ebetso ea mocheso e hlalosoa e le ak-boleng(ho lahleheloa ke mocheso ka BTU/hr·ft·℃F kapa W/m·℃). Octal insulated tubing e fumaneha ka mefuta e mengata ea lik- tsa boleng, ho tloha botebong ba-boemo ba metsi bo etselitsoeng ho lutla ha mocheso o tlase haholo, ho ea holimo-k empa limaraka tse tlase haholo bakeng sa ts'ebeletso e itekanetseng{4}}ea mocheso lebopong.
Bakeng sa mosebetsi oa projeke, sehlopha sa rona sa boenjiniere se ka:
- bala k-litekanyetso bakeng sa tlhophiso e khethiloeng ea li-tubing tsa insulated,
- mathamocheso-khahlanong-le boemo bo tebilengbakeng sa geometry ea hau e khethehileng ea seliba, le
- bapisa maemo a kang "conventional tubing vs insulated tubing" kapa "bohareng-grade vs high{{1}grade VIT".
Sena se u fa pono e hlakileng ea boemo ba tlase-ka boemo ba mouoane, mocheso oa casing/annulus le mocheso o tsoang holim'a metsi.peleu itlama ho moralo oa likhoele.
Tafole e nolofalitsoeng ea ho bapisa e ka tlase e bontša hore na mocheso o tlase o amahanngoa hakae le mocheso o phahameng-ka matla a ho ntša ka tlas'a maemo a fapaneng a tlase{1}}ea mekoti.
| Thermal conductivity [W/(m·K)] |
Hoo e ka bang. matla a ho ntša mocheso{{1} ka likhato tse 55 (kW) |
Hoo e ka bang. matla a ho ntša mocheso{{1} ka likhato tse 60 (kW) |
Hoo e ka bang. matla a ho ntša mocheso{{1} ka likhato tse 65 (kW) |
Hoo e ka bang. matla a ho ntša mocheso{{1} ka likhato tse 70 (kW) |
|---|---|---|---|---|
| 0.02 | ≈ 520 | ≈ 565 | ≈ 610 | ≈ 650 |
| 0.05 | ≈ 455 | ≈ 495 | ≈ 535 | ≈ 575 |
| 0.10 | ≈ 405 | ≈ 440 | ≈ 475 | ≈ 505 |
| 0.20 | ≈ 350 | ≈ 380 | ≈ 410 | ≈ 440 |
| 0.40 | ≈ 300 | ≈ 325 | ≈ 350 | ≈ 375 |
Mokhoa o tšoanang oa boenjineri o boetse o fetela lits'ebetsong tsa geothermal le -metsi a chesang. Maikutlo a mararo a thermal-a hlalosoa e le Scheme A, B le C. Scheme A e emela seliba se se nang kalafi e sirelelitsoeng hantle, moo mocheso o mongata o kenang 'me o lahleheloa ke sebaka sa polokelo-. Sekema sa B se sebelisa sekoahelo holim'a karolo ea karolo ho ntlafatsa ts'ebeliso e ntle ea mocheso oa mocheso o phahameng oa mocheso. Scheme C e haha mocheso o felletseng haholoanyane-e le hore tšebeliso ea mocheso oa mocheso o phahameng o ka tsoela pele, haholo{8}}lilibeng tse phahameng tsa mocheso. Sena se bohlokoa hobane se hokahanya khetho ea liphaephe le mocheso oa sistimi{10}ho boloka mocheso ho e-na le boholo ba liphaephe feela.
Tsela e 'ngoe ke mocheso oa coaxial-tsela ea ho fapanyetsana ho sebelisoa casing le bohareng-litlhophiso tsa lipeipi, moo peipi e kenang mokelikeli e sebelisetsoang ho boloka matla a bohlokoa a mocheso oa mocheso haufi le seliba. Bakeng sa merero ea ho futhumala ha mocheso le matla a -a motlakase, khetho hangata e tsamaisoa ke mocheso oa motlakase, lebelo la ho potoloha ha metsi, ho ntša mocheso o le mong{4}le mocheso oa selemo le selemo, eseng feela OD le mofuta oa khoele.
Moemeli oa PERT II o thathamisitsoe ka tlase ho bontša hore na mocheso oa setheo le -motlakase o le mong o hlahlojoang tlas'a boemo bo hlalositsoeng ba mocheso oa mocheso o phahameng oa mocheso.
| Paramethara | PERT II e sebetsa botebong ba seliba sa 2500 m |
|---|---|
| Mokhoa oa kopo | PERT II |
| Botebo ba hantle | 2500 m |
| Mocheso o ka tlase-oa lesoba | 85 degree |
| Sekhahla sa phallo | 30 m³/h |
| Boemo ba ts'ebetso | Boemo bo tsitsitseng- |
| Khutlisetsa-thempereichara ea metsi | 20 degree |
| Mocheso o tlase oa metsi | 41 degree |
| Thempereichara{{0}ea metsi a tsoang teng | 29.7 likhato |
| Motlakase{0}o le mong | hoo e ka bang 338 kW |
Litlhophiso tse tloaelehileng tsa mocheso oa mocheso oa mocheso li kenyelletsa lisekoere tsa 273.05 × 11.43 limilimithara tse 178 × 135 / 194 / 154 limilimithara tse tšoanang le litekanyo tsa liteishene tse sirelelitsoeng bakeng sa liliba tse ka bang 4000-4500 m le ho potoloha 3750–4500 kW, 5 × 1 × 244 kW, 3 × 1 × 244 kW. Tlhophiso ea sehlopha sa 100 / 154 mm bakeng sa liliba tse ka bang 3100 m le hoo e ka bang 1250-1500 kW, k'hase ea 219.1 × 10.16 mm e nang le 140 × 100 / 154 mm tlhophiso ea sehlopha bakeng sa liliba tse ka bang 3000 m le hoo e ka bang 1000 7 × 9 1000 91 mm. casing e nang le tlhophiso ea sehlopha sa 114 × 81 / 127 mm bakeng sa liliba tse ka bang 2500-3000 le hoo e ka bang 750-1000 kW, le khese ea 139.7 × 7.72 mm le tlhophiso ea sehlopha sa 89 × 62 / 99 mm bakeng sa liliba tse ka bang 2500–4000 000 000
Bakeng sa ho tsamaisana habonolo ha projeke, tsela ea mocheso oa mocheso o tlase e arotsoe ka lihlopha tsa H2000, H3000 le H4000. Ha e le hantle, tsena li fana ka litharollo tse tebileng le tse phahameng- tsa mocheso oa mocheso oa mocheso, ho thusa bareki ho ikamahanya hantle le botebo le sepheo sa ho ntša mocheso ka tsela e nepahetseng-ea mocheso.
Papiso e tobileng ea ts'ebetso e boetse e thusa ho hlakisa hore na mokhoa oa ho koala-pipe o eketsa boleng khahlano le PERT II. Thermal conductivity ea PERT II ke hoo e ka bang 0.42 W/(m·K), khahlano le ka tlase ho 0.02 W/(m·K) bakeng sa pipe ea insulation ea Octal. Ka tekanyo ea 70℃downhole-papiso ea mocheso,{7}}matla a ho ntša mocheso a ka ba 375 kW bakeng sa PERT II le hoo e ka bang 650 kW bakeng sa pipe ea insulation ea Octal, keketseho e ka bang 275 kW, kapa hoo e ka bang 73%. Papisong e 'ngoe bakeng sa seliba sa 2500 m se nang le hoo e ka bang 60 degrees tlase{15}}mocheso oa lesoba, 30 m³/h sekhahla sa phallo le 20℃ho khutla{18}maemo a metsi, PERT II e fihla ho 26℃outlet thempereichara le 210 kW -motlakase o le mong, ha Octal insulation pipe le 4 mocheso{{25}matla a ho ntša ka hoo e ka bang 243 kW, kapa hoo e ka bang 116%.
Tafole ea papiso e ka tlase e akaretsa motheo o tšoanang oa teko le phapang ea ts'ebetso pakeng tsa PERT II le pipe ea ho kenya letsoho ea Octal.
| Boemo / Metric | PERT II | Octal insulation pipe | Ntlafatso |
|---|---|---|---|
| Botebo ba seliba (m) | 2500 | 2500 | Motheo o tšoanang oa teko |
| Mocheso o ka tlase-oa lesoba (℃) | 60 | 60 | Motheo o tšoanang oa teko |
| Sekhahla sa phallo (m³/h) | ≈ 30 | ≈ 30 | Motheo o tšoanang oa teko |
| Khutlisa-mocheso oa metsi (℃) | 20 | 20 | Motheo o tšoanang oa teko |
| Thermal conductivity [W/(m·K)] | 0.42 | < 0.02 | Mocheso o tlase oa conductivity |
| Mocheso- oa metsi (℃) | 26 | 33 | +7 degree |
| Motlakase- o le mong (kW) | ≈ 210 | ≈ 453 | +243 kW / hoo e ka bang 116% |
4. E etselitsoe bophelo ba tšebeletso le likhetho tsa bolelele
Octal insulated tubing e etsoa ka hareRange 2 le Range 3 boleleleka mokhoa oa bophelo o tsamaellanang le-nako e telele e tebileng-metsi, mouoane-ente kapa litšebeletso tsa mocheso oa mocheso le mocheso. Vacuum integrity, insulation performance and welds kaofela li tšoaneleha ho mamella lilemo tse ngata tsa thermal cycling, kahoo k-boleng boo u bo bonang moetsong oa moralo ke k-boleng boo u ka bo lebellang tšimong.
Lisebelisoa, Kereiti le Maqhama
Octal insulated tubing e hahiloe holim'a limaraka tse tloaelehileng tsa API 5CT:
- N80, L80-1, L80-1Cr, L80-3Cr, L80-9Cr
- Q125, S135 le limaraka tse ling tse phahameng- tsa matla a liliba tsa HPHT
- Khokahano e tloaelehileng keAPI BTC, hape re ka fana ka:
- khase-mahokelo a khethehileng a thata (mohlala, tšepe-ho{4}}likhoele tsa tšepe tsa premium tse ts'oanang le ts'ebetso e phahameng-ea khase e qetellang-lithane tsa seliba).
- tse bohlokoa le tse semi{0}}likhetho tsa flush bakeng sa ho hlakola{1}} liner tse bohlokoa.
- ho tsamaisana le manonyeletso a pup a insulated, crossovers le lisebelisoa.
Sena se bolela hore o fumana melemo ea mocheso oavacuum insulated tubing, empa moifo oa hau o ntse o e tsamaisa ka mekhoa e tloaelehileng ea ho sebetsana le OCTG.
Khokahano ea baemeli-boitsebiso ba boemo bo ka thusa bareki ho lekola lihlahisoa tsa batho pele RFQ e qetella. E tloaelehileng{2}mefuta ea lipeipi e kenyelletsa:
· 140 × 100- 5-1/2" BTC, khokahanyo OD e mabapi le154 limilimithara, boima ba yuniti hoo e ka bang31 kg/m, bolelele ba litšupiso hoo e ka bang1429 cm,, sehlopha sa{0}kantle sa liphaepheN80 139.7 × 6, ka ntle{0}}matla a khatello ea liphaephe kaE kholo ho feta kapa e lekana le 23 MPa, ka hare-sehlopha sa liphaepheN80 108 × 4, ka hare-matla a khatello ea liphaephe a ka bang Ho feta kapa ho lekana le36 MPa, conductivity ea mocheso mosebetsing oa likhato tse 100λ <0.02 W/(m·K)
· 189 × 62 - 3-1/2" NU, khokahano OD e mabapi le108 limilimithara, boima ba yuniti hoo e ka bang15.2 kg/m, bolelele ba litšupiso hoo e ka bang39 ft, phala e ka ntleN80 89 × 4,ka ntle{{0}matla a khatello ea liphaephe kaE kholo ho feta kapa e lekana le 25.8 MPa, phala e ka hareJ55 70 × 4, ka hare{0}}khatello ea liphaephe kaE kholo ho feta kapa e lekana le 38 MPa, conductivity ea mocheso mosebetsing oa likhato tse 100λ <0.02 W/(m·K)
· 1219 × 182- 8-5/8" SC, khokahanyo OD e mabapi le233 limilimithara, boima ba yuniti hoo e ka bang65.7 kg/m, bolelele ba litšupiso hoo e ka bang70 ft,pipe ea ka ntle 20# 219 × 7, ka ntle{0}}matla a khatello ea liphaephe kaE kholo ho feta kapa e lekana le 9 MPa, phala e ka hare20# 196 × 6, ka hare{0}}khatello ea liphaephe kaE kholo ho feta kapa e lekana le 13 MPa, conductivity ea mocheso mosebetsing oa likhato tse 100λ <0.02 W/(m·K)
· 1114 × 81 - 4-1/2" BTC, khokahanyo OD e mabapi le127 limilimithara,boima ba yuniti hoo e ka bang22.6kg/m,bolelele ba litšupiso ka96ft, phala e ka ntleN80 114 × 5,ka ntle{{0}matla a khatello ea liphaephe kaE kholo ho feta kapa e lekana le 24.3 MPa, phala e ka hareN80 89 × 4, ka hare{0}}khatello ea liphaephe kaE kholo ho feta kapa e lekana le 43 MPa, conductivity ea mocheso mosebetsing oa likhato tse 100λ <0.02 W/(m·K)
Lintlha tsena ke tsa bohlokoa hobane ha se hangata theko ea thepa e kentsoeng ka liphaephe{0}e entsoeng ka liphaephe ho latela tšebetso ea mocheso feela. Mofuta oa khokahanyo le OD e kopanyang e ama sebaka sa ho sebetsa, ho lumellana le sebopeho se teng sa seliba le ts'ebetso ea ts'ebetso ea ts'ebetso ea tšimo. Ho kenya lintlha tsa mofuta ona{3}}leqepheng ho etsa hore lipuisano li be le thuso bakeng sa tlhahlobo ea boenjiniere le papiso ea theko.
Tlhahiso le Tiisetso ea Boleng
Tsela ea rona ea tlhahiso ea li-tubing e etselitsoe ho pota-pota ho tšepahala ha vacuum annulus hammoho le ts'ebetso ea mochine:
- Ho lokisoa ha lipeipi ho se nang moeli– liphaephe tse ka ntle le tse ka hare li hlahisoa ka peipi e chesang-e phuthoang e se nang moroallo, e sehiloeng ho isa bolelele, mocheso-e hloekisitsoeng le ho hlahlojoa ka 100 % NDT-. Maholimo aa thunngoa-e le ho tiisa kamano e ntle le bohloeki.
- Kopano ea insulation- phala e ka hare e phuthetsoe kapa e phuthetsoe ka boea ba perlite / khalase, foil e bonahatsang le li-spacers ho ea ka tekanyo e khethiloeng ea mocheso, ebe e kenngoa ka phala e ka ntle.
- {0}Otlolla pele le ho tjheseletsa– controlled pre{0}}stretch e sebelisoa ho tube e ka hare, ebe mahlakore ka bobeli a ts'oaroa ho koala annulus ha a ntse a boloka tekano.
- Ho sebetsa ka vacuum- annulus e isoa boemong bo boletsoeng ba vacuum; getters ba activated ho boloka khatello e tlaase holim'a bophelo ba khoele.
- Liteko tsa ho lutla le ho hlakola botšepehi- li-welds le likou tsa vacuum lia lekoa (NDT le liteko tsa ho lutla) ho netefatsa ho tiea ha annulus.
- Teko ea conductivity ea mocheso- lisampole tsa manonyeletso ho tsoa sehlopheng se seng le se seng li etsa liteko tsa λ ho netefatsa boemo ba ho kenya letsoho.
- Ho khoele le ho qetela- likhokahano li entsoe ka mochini, li lekantsoe ho API 5B kapa lits'oants'o tsa premium, likhoele li entsoe ka phosphated le ho sireletsoa, 'me manonyeletso a tšoauoa le ho pakela lipalangoang.
8.Letoto le felletseng la liteko- tlhahlobo ea mochini, NDT, vacuum, mocheso le khoele - e tlameletsoe honomoro ea mocheso le nomoro e kopanetsoeng, 'me e ngotsoe ka har'a liphutheloana tsa EN 10204 3.1 / 3.2 bakeng sa tumello ea morero.
Tsela ea tlhahiso e ka hlalosoa ka ho hlaka e le peipi-ho lokisa le ho soabisa, ho phekola mocheso, ho hlahloba, ho seha bolelele bo sa fetoheng-le ho hloekisa ka hare/ka ntle; ho phuthela ha foil ea aluminium le lisebelisoa tsa ho itšireletsa; kopano ea li-tubes tsa ka ntle le tse ka hare; pele{2}}ho otlolla le ho tjheseletsa; ho ntša vacuum ka ho hlahloba ho lutla le tlhahlobo ea X-ray; annulus{4}}botsitso ba moea; tlhahlobo ea mocheso-ea conductivity; le lits'ebetso tsa ho qetela tse kang ho roka, ho etsa hydrotest le ho pakela kantle ho naha. Tlhaloso ena e eketsehileng ea ts'ebetso e bohlokoa ho eketsoa hobane e fa bareki tsela e hlakileng ea ho amohela ho tloha ho tube e tala ho ea ho sephetho se entsoeng ka insulated.
Ho ea ka pono ea ho reka, taba ea khoebo ha se feela hore na sehlahisoa se qala ka tahlehelo e fokolang ea mocheso, empa hore na annulus e ntse e tiisitsoe, hore na sebaka sa weld se lula se tsitsitse ka mor'a ho palama libaesekele le hore na maqhama a phethiloeng a ka lokolloa ka likhoele tse pheta-phetoang le litlaleho tsa tlhahlobo tse ka fumanoang. Ke ka lebaka leo karolo ea QA e lokelang ho lula e tlameletsoe tekong ea mocheso, botšepehi ba vacuum, NDT, tlhahlobo ea khokahanyo le litokomane hammoho ho e-na le ho li nka e le likopo tse arohaneng.
Sehlahisoa sa rona se fapana joang le "Insulated Tubing" e 'ngoe eo u ka e bonang Inthaneteng
Liphetho tse ngata tsa lipatlisiso tsainsulated tubingha e le hantle e bua ka lihlahisoa tse holimo tse kangli-tubing tsa PEX tse kentsoeng pelebakeng sa-loops ea setereke,pre insulated koporo tubingbakeng sa HVAC,insulated mocheso nyenyefatsa tubingbakeng sa lithapo tsa motlakase, kapa lintho tse tšoailoeng joalo kadekron insulated tubingse sebedisoang ho diletsa tsa indasteri. Lihlahisoa tsena li na le thuso masimong a tsona, empa li joaloha ea etsetsoa-hole 350–400℃service, high collapse loads kapa litlhoko tsa API 5CT.
Octal e fana ka sehlopha se fapaneng:tšepe vacuum insulated tubing bakeng sa oli, khase le liliba tsa geothermal. Sehlahisoa sa rona:
- e sebelisa API 5CT-lithapo tsa tšepe tsa grade ho fapana le polasetiki kapa koporo.
- e entsoe ho tsamaisa mouoane 'me e hlahisa maro tlas'a khatello e matla botebong.
- e hokahana le lithapo tsa casing tsa OCTG, lisebelisoa tsa wellhead le -lisebelisoa tsa lesoba.
- 'me e feta maemong a tšoanang a tlhahlobo ea OCTG joalo ka li-tubing tsa tlhahiso, ka holim'a vacuum le liteko tsa mocheso.
Kahoo haeba projeke ea hau e hlokali-tubing tsa PEX tse kentsoeng pelekapapre insulated koporo tubingbakeng sa mela e ka holimo, tseo ke lihlahisoa tse arohaneng; ha o hloka li-tubing tsa tšepe tse sirelelitsoeng tse khonang ho phela selibeng ka boeona,Octal vacuum insulated tubingke tharollo e nepahetseng.
Octal e fana ka mokhahlelo o fapaneng: tšepe ea vacuum insulated tubing le pipe ea insulation bakeng sa oli, khase, mocheso oa mocheso o chesang le o chesang-liliba tsa metsi a chesang. Sehlahisoa se hahiloe holim'a li-tubular tsa tšepe ho e-na le polasetiki kapa koporo, se etselitsoe ho tsamaisa mouoane kapa mokelikeli o chesang tlas'a maemo a hantle, se kopantsoe le likhoele tsa OCTG le lisebelisoa tsa ho thella, 'me se feta ka mochine, mocheso, vacuum le khokahanyo{2}}taolo ea boleng bo amanang.
Phapang e 'ngoe hape ke hore lelapa la sehlahisoa sena ha sea lokela ho utloisisoa feela e le mouoane{0}}ente ea liliba tsa liliba tsa oli. E boetse e kenyelletsa mokelikeli-mokhoa oa liphaephe bakeng sa ho futhumatsa mocheso oa mobu, ho fehla matla a mocheso oa mocheso le mocheso le liliba tsa selemo tse chesang{3}}, moo boleng bo lekantsoeng ka mocheso o phahameng oa phallo, paballo e ntle le mocheso o matla haholo-oa seliba{5}}ka mokhoa o sebetsang hantle oa ho ntša metsi.
LBH
FAQ 1 - Ke lokela ho sebelisa li-tubing tse insulated neng ho e-na le li-tubing tse tloaelehileng?
FAQ 2 - Ke boholo bofe le limaraka tse teng bakeng sa li-tubing tse insulated?
FAQ 3 – Ke thempereichara efe le k-maele tse ka sebetsanang le Octal insulated tubing?
Setifikeiti
Setifikeiti sa CE
Setifikeiti sa ISO 9001
Setifikeiti sa API Q1
Setifikeiti sa ABS
Setifikeiti sa AP-5L
Setifikeiti sa API-5CT
Mofuta oa litšebeletso:ente ea mouoane (CSS / SAGD), tlhahiso e boima-ea oli, -metsi a tebileng, didiba tsa metsi a chesang a chesang a mongobo
Sebopeho:peipi ea tšepe e se nang seamless e habeli e habeli-, e tlositsoeng annulus e nang le li-multilayer insulation
Mefuta ea boholo (ka ntle × ka hare):
73 × 40 limilimithara (2-7/8" × 1.9")
89 × 50 limilimithara (3-1/2" × 2-3/8")
114 × 76 limilimithara (4-1/2" × 3-1/2")
140 × 101 limilimithara (5-1/2" × 4-1/2")
178 × 124 limilimithara (7" × 5-1/2")
Bolelele:Range 2 (R2) le Range 3 (R3), manonyeletso a li-insured a fumaneha
Limaraka tsa tšepe:N80, L80-1 / 1Cr / 3Cr / 9Cr, Q125, S135 le limaraka tse ling tsa API 5CT
Lihokelo:API BTC e le likhokahano tse tloaelehileng, tsa boikhethelo tsa khase-e tiileng
Limaraka tsa Thermal (k-boleng):maemo a mangata a ho kopanya, k ho ya ho {0}–0.006 W/(m·℃) ho itshetlehile ka kereiti
Max. mocheso o sebetsang:ho fihla ho 400℃(ts'ebeliso-e itšetlehile)
Hot Tags: Vacuum Vacuum Insulated Tubing, China Vacuum Vacuum Insulated Tubing bahlahisi, bafani ba thepa, fektheri
E fetileng
High Collapse (HC) CasingE latelang2
TubingU kanna oa rata
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