Vacuum Insulated Tubing a Wɔde Yɛ Nneɛma a Ɛyɛ Fɛ

Steam-injection anaa geothermal project biara sɛe sika pii de dan pɛtro ma ɛbɛyɛ steam a ɛkorɔn-wɔ nsuo a ɛwɔ soro. Wɔ nhama a wɔde fa nsu mu a wɔtaa de di dwuma mu no, saa ahoɔden no fã kɛse yera bere a wɔrekɔ fam no: nsu a ɛyɛ hyew no su so tew, ngo kɔ so yɛ nwini, wax ne nsenia boaboa ano, casing no yɛ hyew na, wɔ permafrost mu no, asase a atwa abura no ho ahyia no betumi afi ase ayɛ nwini. Sɛ adwumayɛfo du saa beae yi a, asɛmmisa no nyɛ "nsuonwini pii?" nanso "yɛbɛyɛ dɛn akora ɔhyew no so wɔ baabi a ɛho hia?"

Octal Pipe na ɔyɛɛ saainsulated tubing a wɔde ahyɛ mu, a wɔsan frɛ novacuum a wɔde hyɛ nsu mu (VIT) ., no yɛ ama saa abura yi pɛpɛɛpɛ. Nkyekyɛmu biara yɛ ɔfasuo mmienu-fasuo nhyiamu a ɛwɔ mu adeyɛ afiri ne akyi soa afiri. Wɔde insulation a ɛyɛ adwuma yiye ahyɛ annulus no ma na wɔde kɔ vacuum a ɛkorɔn mu, a reflective layers ne getters a esiw conduction, convection ne radiation ano bere koro mu. Sɛ yɛde toto bare tubing ho a, yɛn VIT hama no de ase-tokuru mu nsuo a ɛyɛ hyew a ɛkorɔn kɛse, annulus hyew a ɛba fam ne ɔhyew a ɛyera ketewaa bi kɛse ma wɔ mita biara mu.

Wɔasi wɔ API 5CT tubing grades te sɛ N80, L80 ne P110 a BTC anaa premium gas-tight nkitahodi, Octalpre-insulated tubing a wɔde ahyɛ muwobetumi de OCTG dwumadie mfiri a ɛyɛ gyinapɛn adi dwuma, nanso ɛma wo ɔhyew adwumayɛ a ɛhia ma ngo a emu yɛ duru-oil steam injection, po so ngo a emu yɛ duru-oil nkɔsoɔ, permafrost abura ne high{2}}enthalpy geothermal projects.

Octal insulated tubing no yɛ nea wɔasi sɛ ammɔho-fasu concentric paipu ahama. Nkwaa biara yɛ ketewaa bimu afiri a ɛwɔ mua ɛde abura no mu nsu ne nea ɛsõ sen saaakyi afiri a wɔde fa nsu mua ɛbɔ nhyiam no ho ban. Wɔde weld abɔ nsukorade abien no ano wɔ n’afã abien no nyinaa, na ɛma ɛyɛ nea wɔatoto muannular insulation ahunmuwɔn ntam. Wɔde API BTC anaa premium threaded couplings abɔ nkwaa wɔ abura no mu, enti ahama a edi mũ no tu mmirika te sɛ standard tubing.

Ɔhyew nhyehyɛe no gyina ne nyinaa a wobetwitwa soakwan titiriw abiɛsa a ɛma ɔhyew-de kɔ baabi foforo – conduction, convection ne radiation – wɔ annulus no mu:

• Aluminium foil a wɔde siw mframa a ano yɛ den ano

Wɔde aluminium foil a ɛma hann no kyekyere annulus no mu ma ɛdan infrared radiation san kɔ mu tube a ɛyɛ hyew no. Eyi ma ɔhyew a ɛhyerɛn a ɛyera wɔ ɔhyew a ɛkɔ soro mu no so tew kɛse.

• Insulation nneɛma a wɔde di conduction control so

Wɔde nneɛma a ɛmma nsu nkɔ mu (te sɛ perlite powder anaa ultra-fine glass wool) ahyɛ baabi a ɛda paipu a ɛwɔ mu ne akyi ntam no ma. Eyi ma ɔhyew a annulus no gyina ano no yɛ kɛse na ɛto ɔhyew a ɛkɔ mu no ano hye.

• Vacuum ne getters a wɔde siw convection ano

Sɛ wɔboaboa ano wie a, wɔde annulus no kɔ baabi a ɛhɔ yɛ hyew na wɔde getters a ɛkɔ so twetwe mframa a aka no hyehyɛ mu. Esiane sɛ ɛkame ayɛ sɛ mframa biara nni hɔ a ɛbɛkɔ so nti, woyi ɔhyew a ɛkɔ nipadua no mu a ɛkɔ annulus no mu no fi hɔ yiye.

• Pre-adwennwen ayaresa a ɛwɔ mu tube no mu ma ahobammɔ

Wɔma emu paipu no controlled pre-stress ansa na welding a etwa to, sɛnea ɛbɛyɛ a ɔhyew ntrɛwmu ne contraction bere a welding ne afuw mu adwumayɛ remma residual stresses a epira. Eyi boa ma weld beae ne nkwaa no nyinaa yɛ nea ahobammɔ wom wɔ mfiri mu wɔ ɔhyew ne onwini kyinhyia pii mu.

Ɛdenam saa abien-paipu nhyehyɛe yi a wɔde bɛka abom neradiation shielding, solid insulation, vacuum a ɛkorɔn ne emu-tube pre-adwennwen, Octal insulated tubing ma ɔhyew a ɛyera wɔ abura no ho no so tew bere a ɛda so ara yɛ n’ade wɔ mfiri kwan so te sɛ OCTG tubing hama a wonim no yiye no.

Mfiridwuma mu asɛm titiriw ne sɛ ɛnyɛ nneɛma a wɔde siw ɔhyew ano nkutoo na ɛkyerɛ sɛnea ɔhyew no yɛ adwuma. Wɔ afuom som mu no, ɔhyew a ɛyera no nya nkɛntɛnso kɛse wɔ annulus a ɛgyina pintinn, end-weld integrity ne joint-area thermal control akyi mpɛn pii temperature cycling akyi. Ɛno nti na pre-stressed insulated tubing ho hia titiriw wɔ cyclic steam service mu sen sɛ ɛbɛyɛ steady-temperature service nkutoo.

Wobetumi ate nneɛma abusua no ase yiye denam akwankyerɛ anum a wɔde di dwuma tẽẽ-de di dwuma so: ngo a emu yɛ duru-a ɛyɛ hyew a wɔsan nya, awɔw a ɛtra hɔ daa a ɛbɔ wɔ ngo ne gas mfuw mu a wosiw ano, abura a ɛko tia-wax abura, asase mu ɔhyew ne anyinam ahoɔden a wɔyɛ, ne abura a ɛyɛ hyew-spring. Eyi boa ma wɔkyerɛ sɛ ɛnyɛ nsu a wɔde twitwiw nipadua mu nkutoo na ɛwɔ hɔ; wobetumi nso apaw no sɛnea ɔhyew-korabea asɛyɛde wɔ nsu a ɛyɛ hyew-nsu ne asase mu hyew som mu te.

Ahohuru bere mu abura a ɛyɛ hyew-

Wɔ ɔhyew-ahohuru bere mu nkɔso ho no, ɛnyɛ sɛ mfaso a ɛwɔ insulated tubing anaa insulation pipe so no nyɛ sɛ ɛbɛtew ɔhyew a ɛyera so nko, na mmom ɛbɛma ɔhyew a mfaso wɔ so pii akɔ so afi bun mu kosi nea efi mu ba nso. Wɔ nnwuma a ɛtete saa mu no, ɔhyew a ɛkɔ soro wɔ baabi a wɔde nsu fi mu ne ɔhyew a wɔkora so yiye no betumi ama abura no bo a ɛsom wɔ aguadi mu no atu mpɔn na ɛtew ɔhyew a wɔhwere bere a wɔde rekɔma no so.

Sɛnea ɛbɛyɛ a model screening bɛyɛ mmerɛw no, wɔahyehyɛ kɛse ho nsɛm a ɛwɔ ɔfã yi mu no wɔ pon akuw ahorow mu. Pon a edi kan no kata standard vacuum insulated tubing size abusua a wɔde di dwuma titiriw ma steam injection, heavy-oil production ne oilfield thermal service afoforo. Table kuw a ɛto so abien no de prestressed insulated tubing akɛse ne insulation grades ka ho ma cyclic thermal duty. Table a ɛtɔ so mmiɛnsa no kyerɛ Octal insulation pipe models a wɔtaa de di dwuma tẽẽ kɛseɛ wɔ geothermal heat-exchange ne hot-spring heat-preservation service mu. Sɛ wɔma mmusua akɛseɛ yi tetew mu a, ɛma RFQ nhwehwɛmu yɛ mmerɛw na ɛboa ma wɔda nsonsonoeɛ a ɛda ngodua mu hyeɛ nhama a wɔtaa de di dwuma ne asase mu hyeɛ a ɛbɔ ho ban-paipu nhyehyɛɛ ntam.

Octal vacuum insulated tubing wɔ hɔ wɔ ananmusifo kɛse abusua a edidi so yi mu ma oilfield ne steam-service dwumadie.

Wɔ nnwuma a ɛwɔ thermal cycling mpɛn pii no, prestressed insulated tubing size abusua a ɛka ho ne insulation-grade classification nso wɔ hɔ. Saa gyinapɛn yi yɛ nea wɔda no adi yiye wɔ VIT pon a wɔahyɛ da ayɛ no ase sɛ nea wɔde ka ho ma ɔhyew-som paw, titiriw baabi a ɛsɛ sɛ adetɔfo de kɛse, nkitahodi envelope, unit mu duru ne insulation adwumayɛ toto ho wɔ nhwehwɛmu anammɔn koro no ara mu.

Wɔ asase mu ɔhyew, asase mu ahoɔden a wɔde yɛ ne hot-spring abura ho no, afiri abusua no san de Octal insulation pipe model abusua a ɛyɛ soronko ka ho. Saa nhwɛsoɔ yi a wɔkyerɛ wɔ pon a ɛde ne ho so no ma ɛyɛ mmerɛ sɛ wɔde asase mu ahoɔden ne nsuo a ɛyɛ hyeɛ-nsuo dwumadie bɛtoto ho a wɔmfa nfrafra nsuo-som tubing akɛseɛ, na ɛma adetɔfoɔ nya mfitiaseɛ a ɛda adi pefee ma ɔhyeɛ-koraeɛ kwan nhyehyɛɛ ne nhwɛsoɔ a wɔpaw.

Sɛnea ɛbɛyɛ a mfiridwuma mu paw bɛyɛ mmerɛw no, wɔde Octal insulated tubing ma wɔ dodow bi muɔhyew mu nkyerɛwde ahorow:

• Gyinapɛn B– λ ≈ 0.06–0.04 W/(m· abodin krataa ) .
• Gyinapɛn C– λ ≈ 0.04–0.02 W/(m· abodin krataa ) .
• Gyinapɛn D– λ ≈ 0.02–0.006 W/(m· abodin krataa ) .
• Gyinapɛn E– λ ≈ 0.006–0.002 W/(m· abodin krataa ) .

Dodow a grade no kɔ soro no, dodow no ara na ɔhyew a ɛyera wɔ mita biara mu no sua na ɛyɛ papaase-tokuru mu nsuo a ɛyɛ hyew suma ɔfasu tebea bi a wɔde ama. Yɛn mfiridwuma kuw no betumi ayɛ ɔhyew a ɛyera ne bun ho nhwɛso sɛnea ɛbɛyɛ a wubetumi ahu nsonsonoe a ɛda tubing a ɛyɛ mpapahwekwa, mfitiasede ntampre-insulated tubing a wɔde ahyɛ mune high-grade Octal VIT wɔ wo abura profile pɔtee no so.

Sɛ wopɛ sɛ wɔpaw nea mfaso wɔ so a, ɛsɛ sɛ wɔkenkan thermal grade bom ne service duty. Wɔ steam-injection ne heavy-oil projects mu no, ɔhyew conductivity a ɛba fam kyerɛ sɛ steam quality a ɛkorɔn wɔ reservoir bun mu na ɔhyew a wɔmpɛ pii nkɔ annulus no mu. Wɔ asase mu hyew ne ɔhyew-ahohuru bere mu nnwuma mu no, ɔhyew a ɛkɔ fam no kyerɛ sɛ ɔhyew a ɛkɔ soro wɔ nea efi mu ba ne ɔhyew a wotumi de di dwuma kɛse wɔ asase ani. Ɛno nti na ɛsɛ sɛ wɔkyekyere insulation grade no wɔ project ahoɔden kari pɛ ho, na ɛnyɛ sɛ wɔfa no sɛ catalog nɔma a atew ne ho.

Wɔ insulated tubing adetɔfo fam no, nsɛmmisa atitiriw no nyɛ "kɛse bɛn na wowɔ?", na mmom:

• Ɔhyew dodow ahe na metumi akora so ankasa wɔ m’abura mu?
• So wɔayɛ nhyehyɛe no yiye ama nsu a emu dɔ, nsuonwini a wɔde gu mu anaa asase so tebea horow?
• So metumi ahu k-bo ne ɔhyew ho nsɛm ansa na makra?

Sɛnea ɛbɛyɛ na wɔabua eyinom no, Octal sa yareinsulated tubing a wɔde ahyɛ musɛ nhyehyɛe a wɔayɛ no mfiridwuma, ɛnyɛ ade biako-su{1}}fata-ade nyinaa.

Wɔ nhyehyɛe adwuma a mfaso wɔ so mu no, wɔpaw insulated tubing denam ɔsom botae, ɔhyew asɛyɛde ne abura tebea so, ɛnyɛ OD nkutoo. Mpɛn pii no, nhwehwɛmu no fi ase wɔ adwumayɛ botae no so: sɛ wɔbɛkora nsuo a ɛyɛ nwini no so akɔsi atare no mu dɔ wɔ CSS anaa SAGD abura mu, wɔbɛto ɔhyew a ɛkɔ annulus no mu ano hye wɔ nsuo a emu dɔ-nsuo a wɔyɛ mu, ɔhyew a ɛkɔ fam wɔ abura a ɛwɔ asase so a ɛtaa yɛ wax-mu no so tew, wɔbɛbɔ nsuo a ɛyɛ nwini ho ban wɔ mmeaeɛ a awɔw wɔ hɔ daa, anaasɛ wɔbɛkora ɔhyeɛ a wɔtumi de di dwuma wɔ asase mu ahoɔden ne nsuo a ɛyɛ hyew-nsuo som. Efi hɔ no, wɔkyerɛkyerɛ tubing ahama no mu denam insulation grade, annulus vacuum target, mmoa nhyehyɛe, nkitahodi thermal control ne service-nkwa ahwehwɛde wɔ thermal cycling a wɔtaa yɛ ase.

Saa kwan yi ma adetɔfo nya nnyinaso a wobetumi de adi dwuma kɛse a wɔde bɛtoto ho wɔ adwuma no fã. Sɛ anka wɔde tubing bɛtoto ne kɛseɛ ne asaawa su nko ara ho no, wɔbɛtumi ahwɛ paw no wɔ ɔhyeɛ a wɔhwɛ kwan sɛ ɛbɛyera, ase-tokuru anaa afiri a ɛfiri mu hyeɛ, annulus hyeɛ, well-bun a ɛfata ne sɛ ebia wɔayɛ adansiɛ no ama steam injection, deep-nsuo a ɛsen ho awerɛhyɛmu, asase so thermal duty anaa asase so hyeɛ-preservation akwan horow so. Ɛno nso ne nteaseɛ a ɛwɔ afã ahodoɔ a ɛwɔ aseɛ ha no mu: nhyehyeɛ kane, afei ɔhyeɛ-transfer control wɔ annulus no mu, afei k-boɔ ne ɔhyeɛ nhwɛsoɔ, ne awieeɛ koraa no ɔsom nkwa ne tenten kwan.

1. Nsiesiei ahorow a wɔayɛ no sɛnea afuw tebea horow te
Sɛ anka wɔbɛyɛ adansi biako no, Octal de insulation nhyehyɛe ahorow pii a wɔasi wɔ seamless inner / outer pipe adwene koro no ara so ma. Sɛ yɛpɛ sɛ yɛyɛ nsuo a emu dɔ a yɛde yɛn adwene si bere tenten-gyinabea ne k-boɔ a ɛba fam paa so de hwɛ annulus hyeɛ ne hydrate asiane so; wɔ steam projects (CSS / SAGD) ho no yɛsi ɔhyeɛ a ɛkorɔn-ɔhyeɛ tumi ne ahoɔden a ɛko tia thermal cycling so dua; sɛ yɛpɛ abura a ɛwɔ asase so ne permafrost ahobammɔ a yɛde insulation ahoɔden ne ɛka ne mfiri adesoa kari pɛ. Wɔnam ne insulation grade, vacuum level ne emu mmoa nhyehyɛe so na ɛkyerɛkyerɛ nhyehyɛe biara mu, enti wubetumi de VIT ahama no ahyia wo afuw no sen sɛ wobɛsakra afuw no ma ɛne tubing no ahyia.

2. Convection, conduction ne radiation a ɛwɔ annulus no mu no sohwɛ
Yɛn nhyehyɛe ahorow no ka akwan abiɛsa bom ma ɔhyew a ɛkɔ paipu a ɛwɔ mu ne akyi ntam no so tew:

• Convection a wɔde di dwuma– wɔyi annulus no kɔ vacuum level a wɔakyerɛkyerɛ mu, anaasɛ wɔde mframa a ɛnyɛ adwuma ahyɛ mu ma wɔ baabi a ɛfata, enti nsuo kakraa bi na aka a ɛbɛfa ɔhyew so denam convection so. Getters a ɛwɔ annulus no mu boa ma tebea yi kɔ so tra abura no nkwa nna nyinaa mu.
• Nneɛma a wɔde fa nsu mu no sohwɛ– ahwɛyiye a wɔde gyina ntam no ma emu ne akyi paipu yɛ pɛpɛɛpɛ bere a ɛtew dade nkitahodi beae no, kura insulation gap mpo wɔ adesoa ne ɔhyew nsakrae ase.
• Mframa a wɔde di dwuma wɔ ɔkwan a ɛyɛ hu so– multi-layer insulation a ɛwɔ reflective ne non{1}}conductive layers (a ɛte sɛ MLI nhyehyɛe wɔ nnyinasosɛm mu) brɛ radiant heat transfer ase wɔ steam temperature a ɛkorɔn mu.

Baabi a ɛho hia no, wɔde nneɛma foforo a wɔde siw nsu ano twa ho hyiajoint areasɛnea ɛbɛyɛ a nkitahodi ahorow rennyɛ "hot spots" wɔ ahama no mu.

3. k-botaeɛ a egyina adwumayɛ ne ɔhyeɛ nhwɛsoɔ so
Wɔda ɔhyew adwumayɛ adi sɛ ak-boɔ a ɛsom(ɔhyew a ɛyera wɔ BTU/hr·ft·℃F anaa W/m·℃mu ). Octal insulated tubing wɔ hɔ wɔ k-boɔ bands dodoɔ bi mu, ɛfiri nsuo a emu dɔ-a wɔayɛ ama ɔhyew a ɛba fam koraa, kɔsi -k a ɛkorɔn nanso ɛyɛ sikasɛm mu grades ma ɔhyew a ɛkɔ fam-ɔhyeɛ a ɛkɔ fam wɔ asase so som.

Sɛ wopɛ adwuma a ɛfa adwuma no ho a, yɛn mfiridwuma kuw no betumi:

• bu k- botae ahorow ma insulated tubing nhyehyɛe a wɔapaw no, .
• dwaneɔhyew-ne-bun ho nsɛmma wo abura geometry pɔtee no, ne
• fa toto tebea horow te sɛ "conventional tubing vs insulated tubing" anaa "mid-grade vs high-grade VIT" ho.

Wei ma wohunu ase-tokuru mu nsuo a ɛyɛ hyew no su, casing/annulus temperature ne surface outlet temperature ho pefeeansa nawohyɛ bɔ sɛ wobɛyɛ ahama nhyehyɛe bi.

Ntotoho pon a wɔayɛ no mmerɛw a ɛwɔ ase ha no kyerɛ sɛnea ɔhyew a ɛba fam no ne ɔhyew-tumi a wɔtwe fi mu a ɛkɔ soro wɔ ase-tokuru mu hyew tebea ahorow mu.

Mfiridwuma mu ntease koro no ara nso trɛw kɔ asase mu hyew ne nsu a ɛyɛ hyew-nsu a wɔde di dwuma mu. Wɔakyerɛkyerɛ downhole thermal-channel adwene abiɛsa mu sɛ Nhyehyɛe A, B ne C. Nhyehyɛe A gyina hɔ ma abura a enni ayaresa a etu mpɔn a wɔde siw ano, baabi a ɔhyew pii twetwe na ɛyera wɔ ɔhyew-adekorabea ɔfã no mu. Nhyehyɛe B de insulation di dwuma wɔ ɔfa no fã bi so de ma asase mu hyew a wɔde di dwuma yiye no tu mpɔn. Nhyehyɛe C kyekye ɔhyew a ɛwɔ tokuru ase-korabea a edi mũ kɛse sɛnea ɛbɛyɛ a wobetumi apia asase mu hyew a wɔde di dwuma no akɔ akyiri, titiriw wɔ abura a ɔhyew wom a ɛkorɔn-mu. Eyi ho hia efisɛ ɛde pipe a wɔpaw no bata system heat-preservation performance ho sen sɛ ɛbɛka tubing kɛse nkutoo ho.

Ɔkwan foforɔ a wɔfa so de di dwuma ne coaxial heat-exchange kwan a wɔde casing ne center-pipe nhyehyɛeɛ di dwuma, baabi a wɔde insulation pipe di dwuma de kora asase mu ahoɔden ahoɔden a mfasoɔ wɔ so kɛseɛ wɔ abura no ho. Wɔ asase mu ɔhyew ne ahoɔden-awo ntoatoasoɔ nnwuma mu no, wɔtaa paw nea ɛnam outlet temperature, circulation rate, single-bura mu ɔhyew a wɔyi ne afe afe ɔhyew a ɛba so, ɛnyɛ OD ne thread type nko ara.

Wɔabobɔ PERT II asɛm a ɛyɛ ananmusifoɔ din wɔ aseɛ ha de akyerɛ sɛdeɛ wɔsusu outlet temperature ne outlet power ne single-well power wɔ asase mu ahoɔden adwumayɛ tebea a wɔakyerɛkyerɛ mu mu.

Asase mu hyew nhyehyeɛ a wɔtaa yɛ no bi ne 273.05 × 11.43 mm casing a ɛwɔ 178 × 135 / 194 / 154 mm a ɛne insulated channel dimensions hyia ma bɛyɛ 4000–4500 m abura ne bɛyɛ 3750–4500 kW output, 244.5 × 10.03 mm casing a 140 × 100 / . 154 mm adesua nhyehyɛe ma abura bɛyɛ 3100 m ne bɛyɛ 1250–1500 kW, 219.1 × 10.16 mm casing a 140 × 100 / 154 mm adesua nhyehyɛe ma bɛyɛ 3000 m abura ne bɛyɛ 1000–1250 kW, 177.8 × 9.19 mm casing a 114 × 81 / 127 mm adesua nhyehyɛe ma abura bɛyɛ 2500–3000 m ne bɛyɛ 750–1000 kW, ne 139.7 × 7.72 mm casing a 89 × 62 / 99 mm adesua nhyehyɛe ma bɛyɛ 2500–3000 m abura ne bɛyɛ 400–600 kW.

Sɛnea ɛbɛyɛ a adwuma no bɛyɛ mmerɛw no, wɔasan akyekyɛ asase mu ɔhyew kwan no mu akuwakuw ayɛ no H2000, H3000 ne H4000 ntoatoaso. Sɛ yɛbɛka no yie a, eyinom gyina hɔ ma nkakrankakra a ɛkɔ akyiri na ɛkɔ soro-a ɛkɔ soro-output geothermal solutions, boa adetɔfoɔ ma wɔde abura mu bun ne ɔhyeɛ-extraction botaeɛ ne insulation-pipe kwan a ɛfata no hyia.

Adwumayɛ ntotoho tẽẽ nso boa ma ɛda adi pefee wɔ baabi a insulation-pipe kwan no de boɔ ka ho wɔ PERT II ho. PERT II no ɔhyew a ɛkɔ mu no bɛyɛ 0.42 W/(m·K), bere a ennu 0.02 W/(m·K) ma Octal insulation pipe no. Wɔ 70℃downhole-ɔhyew ntotoho mu no, ɔhyew-tumi a wɔyi fi mu no bɛyɛ 375 kW ma PERT II ne bɛyɛ 650 kW ma Octal insulation pipe, nkɔanim bɛyɛ 275 kW, anaa bɛyɛ 73%. Wɔ ntotoho foforo a ɛfa abura a ne kɛse yɛ mita 2500 a ɛwɔ tokuru mu hyew bɛyɛ digrii 60-ho, nsu a ɛsen yɛ digrii 30/h ne nsu a ɛsan ba digrii 20-nsu tebea mu no, PERT II du bɛyɛ digrii 26 a efi mu ba no hyew ne 210 kW abura biako-ahoɔden, bere a Octal insulation pipe no du bɛyɛ digrii 33 ne 453 kW, a ɛma ahoɔden a wɔde yi abura biako-yi mu no tu mpɔn bɛyɛ 243 kW, anaa bɛyɛ 116%.

Ntotoeɛ pon a ɛwɔ aseɛ ha no bɔ sɔhwɛ nnyinasoɔ korɔ no ara ne adwumayɛ mu nsonsonoeɛ a ɛda PERT II ne Octal insulation pipe ntam no mua.

4. Wɔayɛ ɔsom nkwa nna ne tenten a wobetumi apaw
Octal insulated tubing yɛ nea wɔyɛ wɔRange 2 ne Range 3 tentena nhyehyɛɛ nkwa nna a ɛne nsuo a emu dɔ-bere tenten-nsuo, nsuo a ɛyɛ hyew-injection anaa asase mu ahoɔden som hyia. Vacuum integrity, insulation adwumayɛ ne welds nyinaa fata sɛ ɛgyina mfeɛ pii a wɔde yɛ thermal cycling ano, enti k-boɔ a wobɛhunu wɔ design model no mu no yɛ k-boɔ a wobɛtumi ahwɛ kwan wɔ afuom.

Wɔde octal insulated tubing asi API 5CT tubing grades a wonim no yiye so:

• N80, L80-1, L80-1Kr, L80-3Cr, L80-9Kr
• Q125, S135 ne ahoɔden foforo-ahoɔden grades ma HPHT abura
• Standard nkitahodi neAPI BTC a ɛwɔ hɔ, na yebetumi nso de ama:
• gas-tight nkitahodi soronko (sɛ nhwɛso no, dade-kɔ-dade premium nhama a ɛte sɛ adwumayɛ mu te sɛ high-awie gas-abura tubing).
• integral ne semi-flush akwan a wɔfa so yɛ clearance-critical liners.
• matching insulated pup nkwaa, crossovers ne nneɛma a wɔde boa.

Eyi kyerɛ sɛ wunya ɔhyew mu mfaso horow a ɛwɔvacuum insulated tubing a wɔde ahyɛ mu, nanso wo rig adwumayɛfo no da so ara de OCTG ho dwumadie a wonim no di dwuma.

Ananmusifo nkitahodi-level data betumi aboa adetɔfo ma wɔahwɛ nneɛma a wɔpɛ ansa na wɔawie RFQ. Insulation-pipe models a wɔtaa yɛ no bi ne:

· 140 × 100- 5-1/2" BTC, nkitahodi OD fa154 mm, unit mu duru bɛyɛ31 kilogram/m, nkyerɛkyerɛmu tenten fa1429 cm, abɔnten-paipu adesuakuwN80 139.7 × 6, abɔnten-paipu nhyɛso ahoɔden faƐboro anaasɛ ɛne 23 MPa yɛ pɛ, emu-paipu adesuakuwN80 108 × 4, emu-pipe nhyɛso ahoɔden bɛyɛ Kɛse sen anaasɛ ɛne no yɛ pɛ36 MPa na ɛwɔ hɔ, ɔhyew a ɛkɔ mu wɔ 100℃dutyλ < 0.02 W/(m·K) na ɛwɔ hɔ.

· 189 × 62 - 3-1/2" NU, nkitahodi OD fa108 mm, unit mu duru bɛyɛ15.2 kilogram/m, nkyerɛkyerɛmu tenten fa39 ft, akyi paipuN80 89 × 4,abɔnten-pipe nhyɛso ahoɔden faƐboro anaasɛ ɛne 25.8 MPa yɛ pɛ, paipu a ɛwɔ muJ55 70 × 4, mu-paipu nhyɛso ahoɔden faƐboro anaasɛ ɛne 38 MPa yɛ pɛ, ɔhyew a ɛkɔ mu wɔ 100℃dutyλ < 0.02 W/(m·K) na ɛwɔ hɔ.

· 1219 × 182- 8-5/8" SC, nkitahodi OD fa233 mm, unit mu duru bɛyɛ65.7 kilogram/m, nkyerɛkyerɛmu tenten fa70 anammɔn, .abɔnten so paipu 20# 219 × 7, abɔnten-paipu nhyɛso ahoɔden faƐboro anaasɛ ɛne 9 MPa yɛ pɛ, paipu a ɛwɔ mu20# 196 × 6, mu-paipu nhyɛso ahoɔden faƐboro anaasɛ ɛne 13 MPa yɛ pɛ, ɔhyew a ɛkɔ mu wɔ 100℃dutyλ < 0.02 W/(m·K) na ɛwɔ hɔ.

· 1114 × 81 - 4-1/2" BTC, nkitahodi OD fa127 mm, .unit mu duru bɛyɛ22.6 kilogram/m, .reference tenten fa96 ft, akyi paipuN80 114 × 5,abɔnten-pipe nhyɛso ahoɔden faƐboro anaasɛ ɛne 24.3 MPa yɛ pɛ, paipu a ɛwɔ muN80 89 × 4, mu-paipu nhyɛso ahoɔden faƐboro anaasɛ ɛne no yɛ pɛ 43 MPa, ɔhyew a ɛkɔ mu wɔ 100℃dutyλ < 0.02 W/(m·K) na ɛwɔ hɔ.

Saa nsɛm yi ho hia ɛfiri sɛ wɔntaa nsi insulated-pipe a wɔbɛtɔ ho gyinaeɛ denam thermal performance nko ara so. Connection type ne coupling OD nya running clearance, compatability ne abura nhyehyeɛ a ɛwɔ hɔ dada ne mfasoɔ a ɛwɔ field installation so nkɛntɛnsoɔ. Sɛ wode saa model-level nsɛm yi ka krataafa no ho a, ɛma nkɔmmɔbɔ no yɛ nea mfaso wɔ so kɛse ma engineering nhwehwɛmu ne adetɔ ntotoho nyinaa.

Yɛn insulated tubing manufacturing kwan no yɛ nea wɔayɛ atwa ahotoso a ɛwɔ vacuum annulus no ne mfiri adwumayɛ nso ho ahyia:

1. Seamless paipu ahosiesie– wɔde paipu a ɛyɛ hyew-bobɔw a ɛnyɛ den na ɛyɛ abɔnten ne mu nsukorade, a wɔatwa no tenten, wɔde ɔhyew-ayɛ ho adwuma na wɔahwɛ 100 % NDT-ahwɛ. Wɔtow tuo-bɔ asase ani sɛnea ɛbɛyɛ a ɛbɛkyekyere yiye na ɛho tew.
2. Insulation nhyiam a wɔyɛ– wɔde perlite / glass wool, reflective foil ne spacers abɔ mu anaasɛ wɔde ahyɛ mu sɛnea thermal grade a wɔapaw no te, afei wɔde hyɛ akyi paipu no mu.
3. Pre-stretch ne welding– wɔde controlled pre-stretch di dwuma wɔ inner tube no mu, afei wɔde welded n’awiei abien no nyinaa de to annulus no mu bere a wɔkura alignment no mu.
4. Vacuum a wɔde yɛ adwuma– wɔde annulus no fi hɔ kɔ vacuum level a wɔakyerɛ no so; wɔde getters no yɛ adwuma na ama nhyɛso a ɛba fam akɔ so ayɛ adwuma wɔ ahama no nkwa nna nyinaa mu.
5. Leak ne vacuum mudi mudi ho sɔhwɛ ahorow– wɔsɔ welds ne vacuum ports hwɛ (NDT ne leak sɔhwɛ) de si annulus tightness so dua.
6. Ɔhyew a ɛma nneɛma fa mu ho sɔhwɛ– nhwɛsoɔ nkwaa a ɛfiri batch biara mu no fa λ sɔhwɛ mu de hwɛ sɛ insulation grade no yɛ nokware.
7. Threading ne nea wɔde wie– wɔde mfiri yɛ nkitahodi ahorow, wɔde gauged to API 5B anaa premium drawings, wɔde phosphated nhama na wɔbɔ ho ban, na wɔahyɛ nkwaa agyirae na wɔahyɛ no ma de akɔ.

8.Nsɔhwɛ ahorow a edi mũ– mfiridwuma, NDT, vacuum, thermal ne thread nhwehwɛmu – wɔakyekyere noɔhyew nɔma ne nkwaa nɔma, na wɔakyerɛw wɔ EN 10204 3.1 / 3.2 packages mu ama adwuma no pene.

Wobetumi akyerɛkyerɛ ɔkwan a wɔfa so yɛ no mu pefee sɛ paipu-awiei ahosiesie ne ahaw, ɔhyew ayaresa, nhwehwɛmu, fixed-length cutting ne emu/akyi soro a wɔtew; aluminium foil ne nneɛma a wɔde siw mframa ano a wɔde kyekyere ho; akyi ne mu nsukorade a wɔboaboa ano; pre-stretching ne welding; vacuum extraction a wɔde leak checking ne X-ray nhwehwɛmu; annulus-vacuum a wɔde gyina hɔ pintinn; ɔhyew-nsuo a ɛkɔ nsuo mu sɔhwɛ; ne adwumayɛ a etwa to te sɛ threading, hydrotest ne export packing. Saa adeyɛ nkyerɛkyerɛmu foforo yi fata sɛ yɛde ka ho efisɛ ɛma adetɔfo nya kwan a emu da hɔ a wogye tom fi raw tube so kosi insulated joint a wɔawie so.

Sɛ yɛhwɛ adetɔ kwan a, ɛnyɛ sɛ ebia ade no fi ase wɔ ɔhyew a ɛba fam mu nko, na mmom sɛ ebia annulus no kɔ so yɛ nea wɔatoto mu, sɛ ebia beae a wɔde weld no yɛ no kɔ so gyina bere a wɔde thermal cycling akyi ne sɛ ebia wobetumi ayi nkwaa a wɔawie no afi hɔ a wɔde nhama a wotumi san yɛ ne nhwehwɛmu ho kyerɛwtohɔ a wotumi hwehwɛ mu. Wei nti na ɛsɛ sɛ QA ɔfa no kɔ so bata thermal test, vacuum integrity, NDT, connection inspection ne documentation ho bom sen sɛ wɔbɛfa no sɛ nsɛm a ɛtetew mu.

Nneɛma pii a wɔhwehwɛ mainsulated tubing a wɔde ahyɛ munokwarem no, ɛkyerɛ nneɛma a wɔyɛ wɔ soro te sɛpre insulated PEX tubing a wɔde ahyɛ muma ɔmantam-ɔhyew nhama, .pre insulated kɔbere tubingwɔ HVAC ho no, .insulated ɔhyew shrink tubingma anyinam ahoɔden nhama, anaa nneɛma a wɔakyerɛw so te sɛdekron afiri a wɔde bɔ nsuo a ɛbɔ ho banwɔde di dwuma wɔ mfiridwuma mu nnwinnade mu. Saa nneɛma yi ho wɔ mfaso wɔ wɔn mfuw mu, nanso ɛte saawɔannwene ama down-hole 350–400℃service, adesoa a ɛkorɔn a ɛhwe ase anaa API 5CT ahwehwɛde.

Octal de ɔfã soronko bi ma:dade vacuum insulated tubing ma ngo, gas ne asase mu hyew abura. Yɛn ade a yɛyɛ:

• de API 5CT-grade dade nsukorade di dwuma sen sɛ wɔde plastic anaa kɔbere bedi dwuma.
• wɔayɛ no sɛnea ɛbɛyɛ a ɛbɛfa nsu a ɛyɛ hyew ne nsu a wɔyɛ wɔ nhyɛso kɛse ase wɔ bun mu.
• ɛne OCTG casing nhama, abura ti mfiri ne down-tokuru nnwinnade bom.
• na ɔfa OCTG sɔhwɛ a ɛte sɛ production tubing no mu, wɔ vacuum ne thermal sɔhwɛ ahorow so.

Enti sɛ wo project no hia apre insulated PEX tubing a wɔde ahyɛ muanaasɛpre insulated kɔbere tubingwɔ nhama a ɛwɔ soro ho no, ɛnonom yɛ nneɛma a ɛsono emu biara; bere a wuhia dade nsukorade a ɛmma mframa nkɔ mu a ebetumi atra ase wɔ abura no ankasa mu no, .Octal vacuum a wɔde hyɛ afiri mune ano aduru a ɛfata.

Octal de ɔfã soronko ma: dade vacuum insulated tubing ne insulation pipe a wɔde yɛ ngo, gas, asase mu hyew ne nsu a ɛyɛ hyew-nsu abura. Wɔasi adeɛ no wɔ dadeɛ nsuo afiri so sene plastic anaa kɔbere, wɔayɛ no sɛ ɛbɛfa nsuo a ɛyɛ hyew anaa nsuo a ɛyɛ hyeɛ wɔ abura tebea mu, ɛne OCTG nhama ne mfiri a ɛwɔ tokuru ase no bom, na ɛfa mfiri, ɔhyeɛ, vacuum ne nkitahodiɛ-fam quality control mu.

Nsonsonoe foforo ne sɛ ɛnsɛ sɛ wɔte saa nneɛma abusua yi ase sɛ steam-injection tubing a wɔde yɛ ngo abura nkutoo. Ɛsan nso ka ho ne insulation-paipe kwan a wɔfa so yɛ asase mu ɔhyew, asase mu ahoɔden ahoɔden a wɔde yɛ adwuma ne abura a ɛyɛ hyew-ahohuru bere mu abura, baabi a wɔde ɔhyew a ɛkɔ soro a wɔde fi mu, ɔhyew a wɔkora so yiye ne abura biako-abura mu ɔhyew-yɛ a ɛyɛ den a wɔde yi fi mu no susuw bo a ɛsom.

Di nkitaho mprempren

FAQ

 

 

FAQ 1 – Bere bɛn na ɛsɛ sɛ mede insulated tubing di dwuma sen sɛ mede daa tubing bedi dwuma?

Fa di dwumavacuum insulated tubing a wɔde ahyɛ muwɔ steam injection (CSS / SAGD), nsuo a emu dɔ-nsuo a emu yɛ duru-oil, geothermal ne permafrost abura, anaa baabi a wax, hydrates anaa annulus temperature a ɛkɔ soro yɛ ɔhaw. Ɛtew pɛtro a wɔde di dwuma so, ɛbɔ casing ho ban na ɛboa ma nneɛma a wɔyɛ no kɔ so sen.

FAQ 2 – Nneɛma akɛse ne nkyerɛwde bɛn na ɛwɔ hɔ ma insulated tubing?

Yɛde nneɛma mainsulated tubing a wɔde ahyɛ mua egyina API 5CT tubing fi2-7/8 "×1.9" kosi 7 "×5-1/2"., wɔ grades te sɛ N80, L80 series ne Q125, a BTC anaa premium gas-tight connections, R2/R3 tenten ne insulated pup joints a ɛne no hyia.

FAQ 3 – Ɔhyew ne k-botae bɛn na Octal insulated tubing betumi adi ho dwuma?

Octal Pipe VIT yɛ nea wɔayɛ ama bɛyɛ400 digriinsu a ɛyɛ hyew anaa nsu a ɛyɛ hyew. Insulation grade ahodoɔ ma k- values ​​a ɛba fam kɔsi bɛyɛ0.002–0.006 W/(m· abodin krataa ) ., a ɛma abura mu ɔhyew a ɛyera no sua koraa sen nsu a wɔde yɛ nneɛma a wɔtaa de yɛ no.

Adansedi nkrataa

 

CE Adansedi Krataa

ISO 9001 Adansedi krataa

API Q1 Adansedi krataa

ABS Adansedi krataa

AP-5L Adansedi krataa

API-5CT Adansedi krataa

 

Ɔsom no su:steam injection (CSS / SAGD), ngo a emu yɛ duru-yɛ, nsu a emu dɔ, asase mu hyew, permafrost abura

Nhyehyɛeɛ:concentric double-fasu seamless dade paipu, evacuated annulus ne multilayer insulation

Ne kɛse (akyi × mu): .

73 × 40 mm (2-7/8" × 1.9") ne ne kɛse.

89 × 50 mm (3-1/2" × 2-3/8") ne ne kɛse.

114 × 76 mm (4-1/2" × 3-1/2") ne ne kɛse.

140 × 101 mm (5-1/2" × 4-1/2") ne ne kɛse.

178 × 124 mm (7" × 5-1/2") ne ne kɛse yɛ 178 × 124 mm.

Tenten:Range 2 (R2) ne Range 3 (R3), pup nkwaa a wɔabɔ ho ban a ɛwɔ hɔ

Dade a wɔde yɛ nneɛma:N80, L80-1 / 1Cr / 3Cr / 9Cr, Q125, S135 ne API 5CT adesua afoforo

Nkitahodi ahorow:API BTC sɛ gyinapɛn, gas-tight premium nkitahodi a wɔpaw

Ɔhyew abasobɔde (k-botae):insulation levels pii, k kɔ fam kodu bɛyɛ. 0.002–0.006 W/(m·℃) a egyina grade so

Max. ɔhyew a wɔde yɛ adwuma:ɛkɔ bɛyɛ digrii 400 (ɛgyina dwumadie- so) .

Tags a ɛyɛ hyew .: Vacuum Vacuum Insulated Tubing, China Vacuum Vacuum Insulated Tubing ayɛfo, wɔn a wɔde nneɛma ma, adwumayɛbea