Vacuum Insulated Tubing

Yonke iprojekti yomphunga-yezitofu okanye i-geothermal ichitha imali eninzi ijika amafutha abe -womgangatho ophezulu womphunga kumphezulu. Kumtya wetyhubhu eqhelekileyo, inxalenye enkulu yaloo mandla iyalahleka kwindlela ehlayo: umgangatho womphunga uyehla, i-oyile ihlala i-viscous, i-wax kunye nesikali siyakha, i-casing iyatshisa kwaye, kwi-permafrost, umhlaba ojikeleze iqula unokuqalisa ukunyibilika. Xa abaqhubi befikelela kweli nqanaba, umbuzo awusekho "umphunga omninzi?" kodwa "sibugcina njani ubushushu apho kubalulekile?"

Umbhobho we-Octaliityhubhu ezigqunyiweyo, kwaziwa njengeityhubhu egqunywe ngevacuum (VIT), yenzelwe kanye la maqula. Idibaniso ngalinye lidityanisiwe{1}}ngodonga oluphindwe kabini kunye netyhubhu yemveliso yangaphakathi kunye netyhubhu ethwala yangaphandle. I-annulus izaliswe -ngokusebenza okuphezulu kokugquma kwaye ikhutshelwe kwindawo evulekileyo ephezulu, kunye nemigangatho ekhanyayo kunye ne-getters to block conduction, convection kunye ne-radiation ngexesha elinye. Xa kuthelekiswa netyhubhu engenanto, umtya wethu weVIT uzisa umphezulu ophezulu kakhulu-umgangatho womngxuma womngxuma, amaqondo obushushu asezantsi e-annulus kunye nelahleko yobushushu encinci kakhulu ngemitha nganye.

Yakhelwe kwi-API 5CT yamabanga etyhubhu efana ne-N80, L80 kunye ne-P110 nge-BTC okanye igesi yeprimiyamu-uqhagamshelwano oluqinileyo, i-Octalngaphambili{0}}ityhubhu egqunyiweyoingaqhutywa ngezixhobo zokuphatha ze-OCTG ezisemgangathweni, kodwa ikunika ukusebenza kwe-thermal efunekayo-isitofu se-oyile esinzima, uphuhliso lwe-oyile ekude nolwandle-uphuhliso lwe-oyile enzima, imingxuma ye-permafrost kunye{2}}neeprojekthi ze-enthalpy geothermal eziphezulu.

I-Octal insulated tubing yakhiwe njengekabini-umtya wombhobho ogxile eludongeni. Ilungu ngalinye liqulathe elincinaneityhubhu yangaphakathiethwala ulwelo lwequla kunye nenkudlwanaityhubhu yangaphandleekhusela indibano. Imibhobho emibini idityaniswe kunye kuzo zombini iziphelo, idala itywinaindawo yokugquma i-annularphakathi kwabo. Amalungu adityaniswe equleni nge-API BTC okanye i-premium threaded couplings, ngoko ke umtya opheleleyo uqhuba kakhulu njenge-tubing eqhelekileyo.

Uyilo lwe-thermal lusekelwe ekusikeni konkeezintathu ezisisiseko zobushushu-iindlela zokudlulisa – ukuqhuba, ukuhanjiswa kunye nemitha – kwi-annulus:

• Ifoyile yeAluminiyam yokuthintela ukusasazeka kwemitha

Ifoyile ye-aluminiyam ebonisa ukukhanya isongelwe kwi-annulus ukubonisa imitha ye-infrared ibuyela kumbhobho wangaphakathi oshushu. Oku kunciphisa kakhulu ilahleko yobushushu obukhazimlayo kumaqondo obushushu aphezulu omphunga.

• Imathiriyeli ye-insulation yokulawula ukuqhuba

Isithuba esiphakathi kombhobho wangaphakathi nangaphandle sizaliswe ngumgangatho ophantsi{0}}wokugqunyelelwa kwe-conductivity (njengomgubo weperlite okanye i-ultra{1}}iglasi yoboya obucolekileyo). Oku kwandisa ukuxhathisa kwe-thermal ye-annulus kunye nokunciphisa ukuhamba kobushushu obuqhubayo.

• Vacuum kunye getters ukucinezela convection

Emva kokuhlanganiswa, i-annulus ikhutshelwa kwi-vacuum ephezulu kwaye ifakwe kwii-getters ezihlala zifunxa iigesi ezishiyekileyo. Ngokuphantse ukuba akukho rhasi eseleyo yokuhamba, ukuhanjiswa kobushushu obubambekayo kwi-annulus kupheliswa ngempumelelo.

• Phambi{0}}unyango loxinzelelo lwetyhubhu yangaphakathi yokhuseleko

Umbhobho ongaphakathi unikwa ulawulo-loxinzelelo lwangaphambili phambi kwe-welding yokugqibela, ukuze ukwandiswa kwe-thermal kunye nokucutheka ngexesha le-welding kunye nokusebenza endle kungenzi uxinzelelo oluyingozi olushiyekileyo. Oku kunceda ukugcina indawo yeweld kunye nejoyintisi lonke likhuselekile ngoomatshini phezu kwemijikelo emininzi yokufudumeza kunye nokupholisa.

Ngokudibanisa le-isakhiwo sombhobho kabini kunyeUkukhusela ngemitha, ukugquma okuqinileyo, ufunxa ophezulu kunye noxinzelelo lwangaphakathi-lwetyhubhu{1}}yangaphambili, Ityhubhu egqunyiweyo ye-Octal inciphisa ilahleko yobushushu ecaleni komthombo ngelixa iziphatha ngoomatshini njengomtya oqhelekileyo we-OCTG wetyhubhu.

Inqaku lobunjineli eliphambili kukuba ukusebenza kwe-thermal akunqunywanga yi-insulation material yodwa. Kwinkonzo yasentsimini, ilahleko yobushushu ichatshazelwa ngamandla luzinzo lwe-annulus, isiphelo-se-weld imfezeko kunye nolawulo{2}} lwendawo yobushushu emva kokuphinda ibhayisekile yobushushu. Yiyo loo nto{4}}ityhubhu egqunyiweyo yangaphambili ibalulekile kwinkonzo yomphunga kunenkonzo-ezinzileyo kuphela.

Usapho lwemveliso lunokuqondwa ngokucace ngakumbi ngemigaqo emihlanu ethe ngqo- yokusetyenziswa:{1}}i-oyile enzima ukubuyiswa kobushushu, uthintelo lokunyibilika kwe-permafrost kwindawo yeoli nerhasi, i-anti{2}}imithombo ye-wax, ukufudumeza kwe-geothermal kunye nokuveliswa kombane, kunye{3}}nemithombo{3} eshushu. Oku kunceda ukubonisa ukuba uluhlu alukhawulelwanga kwinaliti yomphunga kuphela; isenokukhethwa ngokomsebenzi-wokugcina ubushushu kumanzi ashushu{6} kunye nenkonzo ye-geothermal.

Amaqula{0}entwasahlobo ashushu

Kuphuhliso olushushu- lwentwasa hlobo, ixabiso letyhubhu egqunyiweyo okanye umbhobho wokugquma awupheleli nje ekunciphiseni ilahleko yobushushu, kodwa nokugcina ubushushu obuluncedo obufumaneka kubunzulu ukuya kwindawo. Kwiiprojekthi ezinjalo, iqondo lokushisa eliphezulu kunye nokugcinwa kokushisa okuzinzileyo kunokuphucula ixabiso lentengiso yequla kunye nokunciphisa ukulahleka kweqondo lokushisa ngexesha lokunikezelwa.

Ukwenza uvavanyo lwemodeli lube lula, ulwazi lobungakanani kweli candelo lucwangciswe ngokwamaqela etafile ahlukeneyo. Itheyibhile yokuqala igubungela usapho oluqhelekileyo lwe-vacuum insulated tubing ubukhulu esetyenziselwa inaliti yomphunga, imveliso ye-oyile enzima kunye nenye inkonzo ye-oyile eshushu. Iqela letafile lesibini longeza ubungakanani betyhubhu egqunyiweyo kunye namanqanaba obushushu bomsebenzi womjikelo webhayisekile. Itheyibhile yesithathu ibonisa imibhobho ye-Octal yokugquma eqhelekileyo esetyenziswa ngokuthe ngqo ngakumbi kubushushu be-geothermal{4}}kutshintshiselwano nokushushu-ubushushu bentwasa hlobo{6}}inkonzo yogcino. Ukugcina ezi sayizi zeentsapho zahlukeneyo kwenza ukuba uphononongo lwe-RFQ lube lula kwaye kunceda ukwahlula imitya ye-oyile eqhelekileyo ukusuka kwi-geothermal insulation{8}}bumbeko lwemibhobho.

I-Octal vacuum insulated tubing iyafumaneka kolu sapho lulandelayo lwabameli bommandla we-oyile kunye nomphunga-usetyenziso lwenkonzo.

Kwiiprojekthi ezinebhayisekile ephinda-phindayo ye-thermal, i-prestressed insulated tubing size family kunye ne-insulation{0}}ukuhlelwa komgangatho kukwakhona. Ezi xabiso ziboniswa kakuhle ngaphantsi kwetafile ye-VIT eqhelekileyo njengereferensi eyongezelelweyo yokhetho lwenkonzo ye-thermal -, ngakumbi apho abathengi bafuna ukuthelekisa ubungakanani, imvulophu yokudibanisa, ubunzima beyunithi kunye nokusebenza kwe-insulation kwinqanaba elifanayo lokuhlaziya.

Ukufudumeza i-geothermal, ukuveliswa kwamandla e-geothermal kunye namaqula ashushu-entwasahlobo, usapho lwemveliso luquka usapho olwahlukileyo lwe-Octal insulation pipe yosapho. Ukubonisa le mifuziselo kwitheyibhile ezimeleyo kwenza i-geothermal kunye neshushu{2}usetyenziso lwamanzi lula ukuthelekisa ngaphandle kokuwaxuba nomphunga{3}}iisayizi zetyhubhu zenkonzo, kwaye inika abathengi indawo ecacileyo yokuqalisa ubushushu{4}}uyilo logcino lwejelo kunye nokukhetha imodeli.

Ukwenza ukhetho lobunjineli lube lula, i-Octal insulated tubing inikezelwa ngeendlela ezininziamabanga ashushu:

• IBanga B– λ ≈ 0.06–0.04 W/(m· isidanga )
• IBanga C– λ ≈ 0.04–0.02 W/(m· isidanga )
• IBanga D– λ ≈ 0.02–0.006 W/(m· isidanga sesidanga )
• IBanga E– λ ≈ 0.006–0.002 W/(m· isidanga )

Okukhona ibakala liphezulu, kokukhona ilahleko yobushushu isezantsi ngemitha kwaye kokukhona ingconoumphantsi{0}}umgangatho womphungakwimeko yobuso obunikiweyo. Iqela lethu lobunjineli linokwenza imodeli yokulahleka kobushushu ngokuchasene nobunzulu ukuze ukwazi ukubona umahluko phakathi kwetyhubhu eqhelekileyo, esisisekongaphambili{0}}ityhubhu egqunyiweyokunye -nenqanaba eliphezulu le-Octal VIT ecaleni kweprofayile yakho yequla.

Ukulungiselela ukhetho olusebenzayo, ibakala le-thermal kufuneka lifundwe kunye nomsebenzi wenkonzo. Kwiprojekthi-yokutofa kunye{2}}ne-oyile enzima, ukuhanjiswa kwe-oyile esezantsi kuthetha umgangatho ophezulu womphunga kubunzulu bedama kunye nokuhanjiswa kobushushu obunganeno obungafunwayo kwi-annulus. Kwiiprojekthi ze-geothermal kunye neshushu{4}}zasentwasahlobo, ukuhanjiswa kwe-thermal esezantsi kuthetha ubushushu obuphezulu bendawo kunye nobushushu obusebenzisekayo ngaphezulu. Yiyo loo nto ibakala lokufakwa kwe-insulation kufuneka libotshelelwe kwibhalansi yamandla eprojekthi, lingaphathwa njengenombolo yekhathalogu eyodwa.

Kubathengi betyhubhu egqunyiweyo, imibuzo ephambili ayikokuphela nje "kobuphi ubungakanani onayo?", kodwa:

• Ingakanani ilahleko yobushushu endinokuyigcina kwiqula lam?
• Ngaba uyilo lulungiselelwe ubunzulu{{0} bamanzi, inaliti yomphunga okanye iimeko zonxweme?
• Ndingalibona i-k- ixabiso kunye neprofayile yobushushu phambi kokuba ndiodole?

Ukuphendula ezi, i-Octal iphathaiityhubhu ezigqunyiweyonjengenkqubo yobunjineli, ayilulo olunye-udidi{1}}lungena{2}}zonke imveliso.

Kumsebenzi woyilo olusebenzayo, i-tubing insulated ikhethwa yinjongo yenkonzo, umsebenzi wokushisa kunye nemeko kakuhle, kungekhona nge-OD kuphela. Uphononongo ludla ngokuqala ngethagethi yokusebenza: ukugcina umgangatho womphunga ukuya kubunzulu bedama kwiqula le-CSS okanye le-SAGD, ukunciphisa ukuvuza kobushushu kwi-annulus kwimveliso yamanzi anzulu{1}}, ukunciphisa ubushushu bokuhla kwi-wax{2}}kumaqula aselunxwemeni oluselunxwemeni, ukukhusela imikhenkce engumkhenkce kwiindawo ze-permafrost, okanye ukugcina ubushushu obusebenzisekayo kunye nenkonzo yamanzi ashushu{3} Ukusuka apho, umtya wetyhubhu uchazwa ngomgangatho wokugquma, ithagethi ye-annulus vacuum, uyilo lwenkxaso, ulawulo lwe-thermal yoqhagamshelo kunye nenkonzo -imfuno yobomi phantsi kwebhayisekile ephindaphindiweyo ye-thermal.

Le ndlela inika abathengi isiseko esisebenzisekayo ngakumbi sokuthelekisa kwinqanaba leprojekthi. Endaweni yokuthelekisa iityhubhu kuphela ngobungakanani kunye nodidi lomsonto, ukhetho lunokujongwa ngokuchasene nelahleko yobushushu elindelekileyo, umzantsi{1}}ubushushu bomngxuma okanye indawo, iqondo lobushushu le-annulus, ukufaneleka kobunzulu kunye nokuba ulwakhiwo lwenzelwe inaliti yomphunga,{3}}isiqinisekiso sokuhamba kwamanzi obunzulu, umsebenzi we-thermal elunxwemeni okanye ugcino lobushushu be-geothermal{4}. Leyo ikwayingqiqo yamacandelo angezantsi: uqwalaselo kuqala, emva koko ubushushu{6}udluliselo lolawulo kwi-annulus, emva koko k-ixabiso kunye nomzekelo wobushushu, kwaye ekugqibeleni ubomi benkonzo kunye noluhlu lobude.

1. Ulungelelwaniso olulungelelanisiweyo kwiimeko zentsimi
Endaweni yolwakhiwo olunye, i-Octal ibonelela ngohlengahlengiso oluninzi olwakhiwe kwingqikelelo yombhobho wangaphakathi / wangaphandle ongenamthungo. Ukwenzela{{1}imveliso yamanzi anzulu siqwalasela{2}}uzinzo lwexesha elide kunye nexabiso eliphantsi kakhulu le-k{3}}lokulawula ubushushu be-annulus kunye nomngcipheko we-hydrate; kwiiprojekthi zomphunga (CSS / SAGD) sigxininisa{4}}ubushushu obuphezulu besakhono kunye nokumelana nokuhamba ngebhayisekile eshushu; kumaqula ase-onshore kunye nokukhuselwa kwe-permafrost silinganisa amandla okugquma kunye neendleko kunye nemithwalo yemishini. Uqwalaselo ngalunye luchazwa ngebakala lokugquma, inqanaba levacuum kunye noyilo lwangaphakathi lwenkxaso, ngoko unokutshatisa umtya weVIT kwintsimi yakho kunokulungelelanisa intsimi kwi-tubing.

2. Ukulawulwa kwe-convection, conduction kunye ne-radiation kwi-annulus
Uyilo lwethu ludibanisa iindlela ezintathu zokunciphisa ukuhanjiswa kobushushu phakathi kombhobho wangaphakathi nangaphandle:

• Ulawulo lweConvection- i-annulus ikhutshwe kwinqanaba elichaziweyo le-vacuum, okanye lizaliswe ngegesi ye-inert apho kufanelekileyo, ngoko ke kukho umbane omncinci oshiywe ukuthwala ubushushu nge-convection. I-Getters kwi-annulus inceda ukugcina le meko phezu kobomi bomthombo.
• Ulawulo lokuqhuba- izixhaso ezibekwe ngokucokisekileyo zigcina imibhobho yangaphakathi nangaphandle ehambelanayo ngelixa unciphisa indawo yokudibanisa isinyithi, ukugcina i-gap ye-insulation nangaphantsi komthwalo kunye nokutshintsha kweqondo lokushisa.
• Ulawulo lwemitha-Ii-multi- zokugqunyelelwa komaleko ezinokukhanya kunye -nomalaleko okuqhuba (ofana nomgaqo kwiinkqubo ze-MLI) kunciphisa ukuhanjiswa kobushushu obukhazimlayo kumaqondo obushushu aphezulu omphunga.

Apho kukho imfuneko, i-insulation eyongezelelweyo ifakwa kwindawoindawo edibeneyoukuze unxibelelwano lungabi "iindawo ezishushu" kumtya.

3. k-ixabiso esekwe kwintsebenzo kunye nemodeli ye-thermal
Ukusebenza kwe-Thermal kubonakaliswa njengek-ixabiso(ukulahlekelwa bubushushu kwi-BTU/hr · ft· isidanga F okanye W/m· isidanga ). Ityhubhu egqunyiweyo ye-Octal ifumaneka kwii-k{1}}kumaqela exabiso aliqela, ukusuka kubunzulu{2}}kumanqanaba amanzi ayilelwe ukuvuza kobushushu obuphantsi, ukuya phezulu{3}}k kodwa amanqanaba anoqoqosho oluphakathi{4}}lobushushu benkonzo elunxwemeni.

Ngomsebenzi weprojekthi, iqela lethu lobunjineli linokuthi:

• bala k-amaxabiso oqwalaselo olukhethiweyo lwetyhubhu egqunyiweyo,
• balekaiqondo lobushushu-ngokuchasene-nenkangeleko yobunzuluyejometri yakho yequla, kunye
• thelekisa iimeko ezinje ngokuthi "ityhubhu eqhelekileyo vs i-isulated tubing" okanye "phakathi{0}}ibakala vs eliphezulu{1}}ibakala leVIT".

Oku kukunika imboniselo ecacileyo yomgangatho womphunga womngxuma osezantsi-, i-casing/annulus ubushushu kunye nobushushu bomphezulu wokuphumangaphambiliuzibophelela kuyilo lwentambo.

Itheyibhile yothelekiso eyenziwe lula engezantsi ibonisa indlela ubushushu obuphantsi be-thermal obunxulunyaniswa ngayo nobushushu obuphezulu-amandla okukhupha phantsi{1}}kweemeko zobushushu bomngxuma ohlukeneyo.

Kwale ngcinga yobunjineli ikwanwenwela kwi-geothermal kunye nosetyenziso lwamanzi ashushu-ashushu. Iingqikelelo ezintathu ze-downhole thermal-zetshaneli zichazwa njengeSkimu A, B kunye no-C. Inkqubo A imele iqula ngaphandle konyango olugqunyiweyo olusebenzayo, apho ubushushu obuninzi bufunxwa kwaye balahleke kwindawo{4}}yokugcina ubushushu. I-Scheme B isebenzisa ukugquma kwindawo ethile yecandelo ukuphucula ukusetyenziswa kwe-geothermal ngokufanelekileyo. I-Scheme C yakha umngxuma ogcweleyo wobushushu{7}}umjelo wogcino ukuze ukusetyenziswa kwe-geothermal kutyhalelwe phambili, ngakumbi{8}}kumaqula obushushu aphezulu. Oku kubalulekile kuba idibanisa ukhetho lombhobho kwinkqubo yogcino lobushushu{10}}kumsebenzi wogcino kunobungakanani betyhubhu kuphela.

Enye indlela yesicelo yicoaxial ubushushu{0}}umzila wokutshintshiselana usebenzisa i-casing kunye nombindi{1}}ulungiselelo lwemibhobho, apho umbhobho wokugquma usetyenziselwa ukugcina amandla aluncedo ngakumbi e-geothermal ecaleni komthombo. Ukufudumeza geothermal kunye namandla -eprojekthi zesizukulwana, ukhetho ludla ngokuqhutywa bubushushu bendawo, izinga lokujikeleza, enye{4}}yokukhutshwa kobushushu kunye nemveliso yobushushu yonyaka, hayi nje iOD kunye nodidi lomsonto.

Ummeli we-PERT II imeko idweliswe ngezantsi ukubonisa indlela ubushushu bendawo yokuphuma kunye -amandla omthombo omnye avavanywa ngayo phantsi kwemeko yokusebenza ye-geothermal echaziweyo.

Ulungelelwaniso oluqhelekileyo lwe-geothermal lubandakanya i-273.05 × 11.43 mm ibhokisi ene-178 × 135 / 194 / 154 mm ehambelana nemilinganiselo yejelo eligqunyiweyo malunga ne-4000-4500 m yemithombo kwaye malunga ne-3750-4500 imveliso ye-kW, i-3 × 4500 kW imveliso, i-3 × 1 × 244 kW imveliso. I-100 / 154 mm ilungiselelo leklasi malunga ne-3100 m yemithombo kunye ne-1250-1500 kW, i-219.1 × 10.16 mm i-casing kunye ne-140 × 100 / 154 mm ilungiselelo leklasi malunga ne-3000 m yemithombo kunye ne-1000 7 × 71 × 10001. i-casing ene-114 × 81 / 127 mm ilungiselelo leklasi malunga ne-2500-3000 m yemithombo kunye malunga ne-750-1000 kW, kunye ne-139.7 × 7.72 mm i-casing kunye ne-89 × 62 / 99 mm ilungiselelo leklasi malunga ne-2500-4000-4000 kW rough-6 m

Ukuze kube lula ukuthelekisa iprojekthi, indlela ye-geothermal iphinda idityaniswe ibe yi-H2000, H3000 kunye ne-H4000 series. Ngokwenyani, ezi zimele ubunzulu obuqhubekayo naphezulu{4}}izisombululo ze-geothermal, ukunceda abathengi balungelelanise ubunzulu kunye nobushushu{5}}kujoliso lokukhutshwa ngendlela echanekileyo{6} yendlela yombhobho.

Uthelekiso oluthe ngqo lwentsebenzo lukwanceda ukucacisa apho ukugquma-umzila wombhobho wongeza ixabiso ngokuchasene ne-PERT II. I-thermal conductivity ye-PERT II imalunga ne-0.42 W/(m·K), xa ithelekiswa ngaphantsi kwe-0.02 W/(m·K) ye-Octal insulation pipe. Kumngxuma ongezantsi wamaqondo angama-70 -kuthelekiso lobushushu, ubushushu{7}}amandla okukhutshwa amalunga nama-375 kW kwi-PERT II kwaye malunga nama-650 kW kumbhobho wokugquma we-Octal, ukwanda okungama-275 kW, okanye malunga nama-73%. Komnye uthelekiso lwe 2500 m yequla elimalunga nama 60 degrees ezantsi-ubushushu bomngxunya, 30 m³/h isantya sokuqukuqela kunye ne 20℃degree ukubuya -kwimeko yamanzi, PERT II ifikelela malunga 26℃out lobushushu kunye 210 kW single -mandla kakuhle, lo gama Octal insulation isidanga kW ifikelela malunga 4 kunye nokuphucula umbhobho 5 ubushushu{25}kutsalwa kwamandla malunga nama-243 kW, okanye malunga ne-116%.

Itheyibhile yokuthelekisa ingezantsi ishwankathela isiseko sovavanyo olufanayo kunye nokwahlukana komsebenzi phakathi kwe-PERT II kunye ne-Octal insulation pipe.

4. Ubomi benkonzo eyiliweyo kunye nokhetho lobude
I-Octal insulated tubing yenziwa ngaphakathiUluhlu lwesi-2 kunye noluhlu lwe-3 ubudeubomi boyilo obulungelelaniswe-nobunzulu bexesha elide-amanzi, umphunga{2}}inaliti okanye inkonzo ye-geothermal. Vacuum imfezeko, ubushushu bokusebenza kunye ne welds zonke zifanelekile ukuxhathisa iminyaka emininzi yebhayisekile eshushu, ngoko ke ik-ixabiso olibonayo kumzekelo woyilo yi k-xabiso ongalilindela ebaleni.

I-Octal insulated tubing yakhiwe kumabakala aqhelekileyo e-API 5CT:

• N80, L80-1, L80-1Cr, L80-3Cr, L80-9Cr
• I-Q125, i-S135 kunye namanye amabakala aphezulu-amandla equla le-HPHT
• Uqhagamshelwano olusemgangathweni luAPI BTC, kwaye sinokubonelela:
• igesi -uqhagamshelwano oluqinileyo olukhethekileyo (umzekelo, intsimbi-ukuya{4}}kwimisonto yentsimbi yeprimiyamu efana nokusebenza ukuya -kwirhasi ephezulu{6}etyhubhu yequla).
• okudityanisiweyo kunye nesiqingatha{0}}ukhetho lokugungxula lokucoca{1}}iintambo ezibalulekileyo.
• ukuhambelana ne-pup joints, ii-crossovers kunye nezincedisi.

Oku kuthetha ukuba ufumana inzuzo ye-thermalvacuum insulated ityhubhu, kodwa i-rig crew yakho isaqhuba ngeendlela eziqhelekileyo zokuphatha i-OCTG.

Uqhagamshelo lomelo{0}}kwinqanaba ledatha linokunceda abathengi bahlole iimveliso zabagqatswa phambi kokugqityezelwa kweRFQ. Ufakelo oluqhelekileyo{2}}iimodeli zemibhobho ziquka:

· 140 × 100- 5-1/2" BTC, uqhagamshelo OD malunga154 mm, ubunzima beyunithi malunga31 kg/m, ubude bereferensi malunga1429 cm, ngaphandle{0}}iklasi yombhobhoN80 139.7 × 6, ngaphandle{0}}amandla oxinzelelo lombhobho malungaInkulu kuno okanye ilingana nama 23 MPa, ngaphakathi{0}}iklasi yombhobhoN80 108 × 4, ngaphakathi{0}}amandla oxinzelelo lombhobho malunga no Mkhulu kuno okanye uyalingana36 MPa, i-thermal conductivity kwi-100℃dutyλ < 0.02 W/(m·K)

· 189 × 62 - 3-1/2" NU, uqhagamshelwano ngeOD malunga108 mm, ubunzima beyunithi malunga15.2 kg/m, ubude bereferensi malunga39 ft, umbhobho wangaphandleN80 89 × 4,ngaphandle -amandla oxinzelelo lombhobho malungaInkulu kuno okanye ilingana ne 25.8 MPa, umbhobho wangaphakathiJ55 70 × 4, ngaphakathi{0}}amandla oxinzelelo lombhobho malungaInkulu kuno okanye ilingana ne 38 MPa, i-thermal conductivity kwi-100℃dutyλ < 0.02 W/(m·K)

· 1219 × 182- 8-5/8" SC, uqhagamshelo OD malunga233 mm, ubunzima beyunithi malunga65.7 kg/m, ubude bereferensi malunga70 ft,umbhobho wangaphandle 20# 219 × 7, ngaphandle{0}}amandla oxinzelelo lombhobho malungaInkulu kuno okanye ilingana no 9 MPa, umbhobho wangaphakathi20# 196 × 6, ngaphakathi{0}}amandla oxinzelelo lombhobho malungaInkulu kuno okanye ilingana ne 13 MPa, i-thermal conductivity kwi-100℃dutyλ < 0.02 W/(m·K)

· 1114 × 81 - 4-1/2" BTC, uqhagamshelo OD malunga127 mm,iyunithi ubunzima malunga22.6kg/m,ubude bereferensi malunga96 ft, umbhobho wangaphandleN80 114 × 5,ngaphandle -amandla oxinzelelo lombhobho malungaInkulu kuno okanye ilingana ne 24.3 MPa, umbhobho wangaphakathiN80 89 × 4, ngaphakathi{0}}amandla oxinzelelo lombhobho malungaInkulu kuno okanye ilingana nama 43 MPa, i-thermal conductivity kwi-100℃dutyλ < 0.02 W/(m·K)

Ezi nkcukacha zibalulekile kuba{0}}ukuthengwa kwemibhobho kunqabile ukuba kugqitywe ngokusebenza kwe-thermal kuphela. Uhlobo loqhagamshelo kunye nokudibanisa i-OD kuchaphazela ukukhutshwa kwemvume, ukuhambelana nesakhiwo esikhoyo somthombo kunye nokusebenza kokufakela intsimi. Ukongeza le modeli{3}}inkcukacha zenqanaba kwiphepha yenza ingxoxo ibe luncedo ngakumbi kuphononongo lobunjineli kunye nothelekiso lokuthenga.

Indlela yethu yokwenziwa kwetyhubhu egqunyiweyo iyilwe malunga nokuthembeka kwe-vacuum annulus kunye nokusebenza koomatshini:

1. Ukulungiswa kombhobho ongenamthungo-Iityhubhu zangaphandle nangaphakathi ziveliswa kumbhobho oshushu{{0}oqengqelekayo ongenamthungo, osikwe ubude, ubushushu{1}onyangwe kwaye 100% NDT-ikhangelwe. Imiphezulu iyadutyulwa -iqhunyisiwe ukuze kuqinisekiswe ikhonkco elilungileyo kunye nococeko.
2. Indibano ye-Insulation- umbhobho wangaphakathi usongelwe okanye upakishwe nge-perlite / uboya beglasi, i-foil ebonakalayo kunye ne-spacers ngokwebakala elikhethiweyo le-thermal, emva koko lifakwe kumbhobho wangaphandle.
3. Phambi-zolulela kunye nokuwelda– elawulwa pre- ukolulwa kusetyenziswa ityhubhu yangaphakathi, ngoko zombini iziphelo zidityanisiwe ukuvala i-annulus ngelixa ugcina ulungelelwaniso.
4. Ukusetyenzwa kweVacuum– i-annulus ikhutshelwa kwinqanaba elichaziweyo le-vacuum; getters ziyasebenza ukugcina uxinzelelo oluphantsi phezu ubomi umtya.
5. Ukuvuza kunye nemvavanyo vacuum imfezeko- ii-welds kunye ne-vacuum port zivavanywa (i-NDT kunye neemvavanyo zokuvuza) ukuqinisekisa ukuqina kwe-annulus.
6. Uvavanyo lwe-thermal conductivity– iisampulu zamalungu kwibhetshi nganye zivavanywa λ ukuqinisekisa ibakala lokugquma.
7. Ukucwangcisa kunye nokugqiba- ukudityaniswa kumatshini, ukulinganisa kwi-API 5B okanye imizobo ye-premium, imicu i-phosphated kwaye ikhuselwe, kwaye amajoyina aphawulwe kwaye apakishwe ukuthutha.

8.Uluhlu olupheleleyo lovavanyo- oomatshini, i-NDT, i-vacuum, i-thermal kunye nokuhlolwa kwentambo - ibophelelweinani lobushushu kunye nenani elidibeneyo, kwaye ibhalwe kwi-EN 10204 3.1 / 3.2 iiphakheji zokwamkelwa kweprojekthi.

Indlela yemveliso inokuchazwa ngokucacileyo njengombhobho -ukulungiswa kokuphela kunye nokuphazamiseka, unyango lobushushu, ukuhlolwa, ukusika okusisigxina{1}}ukusika ubude kunye nokucoca umphezulu wangaphakathi/wangaphandle; ukusongwa kwefoyile ye-aluminium kunye nezixhobo zokugquma; indibano yeetyhubhu zangaphandle nangaphakathi; kwangaphambili{2}}ukolula nokuwelda; ukukhutshwa kwevacuum ngokujonga ukuvuza kunye nokuhlolwa kwe-X-yereyi; i-annulus{4}}i-vacuum uzinzo; uvavanyo lwe-thermal-lokuqhuba; kunye nemisebenzi yokugqibela efana nokuthunga, i-hydrotest kunye nokupakisha kwamanye amazwe. Le nkcazo yenkqubo eyongezelelweyo ifanelekile ukongeza kuba inika abathengi indlela ecacileyo yokwamkelwa ukusuka kwityhubhu ekrwada ukuya ekugqityweni kwe-insulated joint.

Ukusuka kumbono wokuthengwa kwempahla, umba wezorhwebo awukona nje kuphela ukuba imveliso iqala ngokulahleka kobushushu obuphantsi, kodwa ukuba i-annulus ihlala itywinwe, ingaba indawo ye-weld ihlala izinzile emva kokuhamba ngebhayisikili ye-thermal kunye nokuba ngaba amajoyina agqityiweyo angakhululwa ngokuphindaphindiweyo kunye neerekhodi zokuhlola ezilandelwayo. Yingakho icandelo le-QA kufuneka lihlale libophelelwe kuvavanyo lwe-thermal, ukunyaniseka kwe-vacuum, i-NDT, ukuhlolwa koqhagamshelwano kunye namaxwebhu kunye kunokuba baphathe njengamabango ahlukeneyo.

Iziphumo ezininzi zokukhangela zeiityhubhu ezigqunyiweyongenene bhekisa kwiimveliso ezingaphezulu njengeItyhubhu ye-PEX efakwe ngaphambilikwisithili{0}}iilophu zokufudumeza,Ityhubhu yobhedu efakwe ngaphambiliyeHVAC,Ubushushu obugqunyiweyo bucutha iityhubhuiintambo zombane, okanye izinto ezinophawu ezifanadekron insulated ityhubhuisetyenziswa kwizixhobo zokusebenza. Ezi mveliso ziluncedo kumasimi azo, kodwa zinjaloayilungiselelwe phantsi-umngxunya 350–400 inkonzo yesidanga, imithwalo yokudilika ephezulu okanye iimfuno ze-API 5CT.

I-Octal ibonelela ngodidi olwahlukileyo:intsimbi vacuum insulated ityhubhu kwioyile, igesi kunye namaqula geothermal. Imveliso yethu:

• isebenzisa i-API 5CT -imibhobho yentsimbi yodidi kuneplastiki okanye ubhedu.
• yenzelwe ukuthwala umphunga kwaye ivelise ulwelo phantsi koxinzelelo oluphezulu kubunzulu.
• idibanisa neentambo ze-OCTG, izixhobo ze-wellhead kunye nezixhobo ezisezantsi-zomngxuma.
• kwaye uhamba kwinqanaba elifanayo lovavanyo lwe-OCTG njenge-tubing yemveliso, ngaphezulu kwe-vacuum kunye neemvavanyo ze-thermal.

Ngoko ukuba iprojekthi yakho ifunaItyhubhu ye-PEX efakwe ngaphambiliokanyeItyhubhu yobhedu efakwe ngaphambilikwimigca engaphezulu, ezo ziimveliso ezahlukileyo; xa ufuna iityhubhu yentsimbi egqunyiweyo enokuphila equleni ngokwalo,I-Octal vacuum insulated ityhubhusisisombululo esifanelekileyo.

I-Octal ibonelela ngodidi olwahlukileyo: i-vacuum yentsimbi egqunywe ityhubhu kunye nombhobho wokugquma we-oyile, igesi, i-geothermal kunye{0}}nemithombo yamanzi ashushu. Imveliso yakhiwe kwii-tubulars zentsimbi kuneplastiki okanye ubhedu, yenzelwe ukuthwala umphunga okanye ulwelo olushushu phantsi kweemeko zomthombo, idibanisa neentambo ze-OCTG kunye nezixhobo ze-downhole, kwaye ihamba ngoomatshini, i-thermal, i-vacuum kunye nokudibanisa-ulawulo lwekhwalithi oluhambelanayo.

Omnye umahluko kukuba olusapho lwemveliso akufuneki luqondwe kuphela njengetyhubhu yomphunga-yetofo yemithombo yeoli. Ikwaquka indlela yokugquma-yemibhobho yokufudumeza i-geothermal, ukuveliswa kombane we-geothermal kunye nemithombo eshushu-yasentwasahlobo, apho ixabiso lilinganiswa ngobushushu obuphezulu bendawo, ugcino olungcono lobushushu kunye nokuqina okukodwa{4}}kumthombo wobushushu{5}}okusebenza ngokufanelekileyo.

Qhagamshelana ngoku

FAQ

 

 

FAQ 1 – Kufuneka ndisebenzise nini iityhubhu egqunyiweyo endaweni yetyhubhu eqhelekileyo?

Sebenzisavacuum insulated ityhubhukwinaliti yomphunga (CSS / SAGD),{0}}amanzi anzima-ioli enzima, i-geothermal kunye nemithombo ye-permafrost, okanye apho iwax, ihydrates okanye ubushushu obuphezulu be-annulus iyingxaki. Inciphisa ukusetyenziswa kwamafutha, ikhusela i-casing kwaye inceda ukugcina imveliso ihamba.

FAQ 2 - Zeziphi iisayizi kunye namabakala akhoyo kwityhubhu egqunyiweyo?

Siyabonelelaiityhubhu ezigqunyiweyongokusekelwe API 5CT ityhubhu ukusuka2-7/8"×1.9" ukuya 7"×5-1/2", kumabanga afana ne-N80, i-L80 series kunye ne-Q125, kunye ne-BTC okanye i-premium gas -uqhagamshelwano oluqinileyo, ubude be-R2/R3 kunye nokudibanisa i-pup joints.

FAQ 3 – Leliphi iqondo lobushushu kunye ne k-amaxabiso anokuthi i-Octal insulated tubing handle?

Octal Pipe VIT yenzelwe ukuya malunga400 degreeumphunga okanye amanzi ashushu. Amabanga awohlukeneyo okugquma anika asezantsi k-amaxabiso ukuhla ukuya ngeenxa zonke0.002–0.006 W/(m· isidanga ), enika ilahleko yobushushu esezantsi kakhulu kunetyhubhu yemveliso eqhelekileyo.

Iziqinisekiso

 

Isatifikethi seCE

Isatifikethi se-ISO 9001

Isatifikethi se-API Q1

Isatifikethi se-ABS

Isatifikethi se-AP-5L

Isatifikethi se-API-5CT

 

Uhlobo lwenkonzo:inaliti yomphunga (CSS / SAGD), imveliso ye-oyile enzima, -amanzi anzulu, i-geothermal, i-permafrost imithombo

Ulwakhiwo:umbhobho wentsimbi ongenamthungo ophindwe kabini-, umbhobho okhutshiweyo okhutshiweyo ngokugqunywa kwamaleyile amaninzi

Uluhlu lobungakanani (ngaphandle × ngaphakathi):

73 × 40 mm (2-7/8" × 1.9")

89 × 50 mm (3-1/2" × 2-3/8")

114 × 76 mm (4-1/2" × 3-1/2")

140 × 101 mm (5-1/2" × 4-1/2")

178 × 124 mm (7" × 5-1/2")

Ubude:Uluhlu lwesi-2 (R2) kunye noluhlu lwesi-3 (R3), amalungu entshontsho agqunyiweyo akhoyo

Amanqaku entsimbi:N80, L80-1 / 1Cr / 3Cr / 9Cr, Q125, S135 kunye namanye amabakala API 5CT

Uqhagamshelo:I-API BTC njengesiqhelo, igesi ekhethwayo{0}}yonxibelelwano lweprimiyamu eqinileyo

Amabanga ashushu (k-ixabiso):amanqanaba okugquma amaninzi, k ukuhla ukuya malunga{0}-0.006 W/(m· isidanga ) kuxhomekeke kwibakala

Max. ubushushu bokusebenza:ukuya kuthi ga kwi 400℃(isicelo{1}}sixhomekeke)

Iifayile ezishisayo: Vacuum Vacuum Insulated Tubing, China Vacuum Vacuum Insulated iTubing abavelisi, ababoneleli, umzi-mveliso