Bututun Insulated Vacuum

Kowane aikin allura ko aikin injiniyan ƙasa yana kashe kuɗi da yawa don juyar da mai zuwa tururi mai inganci- a saman. A cikin kirtani na tubing na al'ada, babban ɓangaren wannan makamashi yana ɓacewa a kan hanya: ingancin tururi yana raguwa, mai yana tsayawa dan kadan, kakin zuma da sikelin suna ginawa, casing yana gudana zafi kuma, a cikin permafrost, ƙasa a kusa da rijiyar na iya fara narkewa. Lokacin da masu aiki suka isa wannan batu, tambayar ba shine "ƙarin tururi ba?" amma "ta yaya za mu ajiye zafi a inda ya dace?"

 

Octal Pipe'sbututu mai rufi, kuma aka sani daVacuum insulated tubing (VIT), an tsara shi don ainihin waɗannan rijiyoyin. Kowane haɗin gwiwa taro ne mai ninki{1} tare da bututun samarwa na ciki da bututun ɗaukar kaya na waje. Annulus yana cike da babban abin rufewa- kuma an kwashe shi zuwa wani babban wuri, tare da yadudduka masu nuni da abubuwan da zasu toshe gudanarwa, convection da radiation a lokaci guda. Idan aka kwatanta da bututun da ba a taɓa gani ba, igiyar mu ta VIT tana ba da mafi girman ƙasa{5}}ingantacciyar tururi, ƙananan yanayin zafi da ƙarancin zafi a kowace mita.

 

Gina akan maki tubing API 5CT kamar N80, L80 da P110 tare da BTC ko iskar gas mai ƙima{4}} haɗe-haɗe, Octalbututun da aka rigaya -ana iya gudanar da shi tare da daidaitattun kayan aiki na OCTG, amma yana ba ku aikin zafi da ake buƙata don yin allurar tururin mai, nauyi mai nauyi{1}}arancin mai, rijiyoyin permafrost da manyan ayyuka na geothermal masu ƙarfi.

                                   

 

 

Octal insulated tubing an gina shi azaman aninki biyu{0}} igiyar bututu mai daɗaɗɗen bango. Kowane haɗin gwiwa ya ƙunshi ƙaramibututun cikiwanda ke ɗauke da ruwan rijiyar kuma ya fi girmatube na wajewanda ke kare majalisa. An haɗa bututun biyu tare a ƙarshen duka biyun, suna ƙirƙirar abin rufewasararin rufewa na annulartsakanin su. Ana haɗa haɗin haɗin gwiwa a cikin rijiyar tare da API BTC ko haɗin haɗin zaren ƙima, don haka cikakken kirtani yana gudana kamar daidaitaccen tubing.

 

Tsarin thermal ya dogara ne akan yanke dukahanyoyin zafi guda uku - hanyoyin canja wuri - gudanarwa, convection da radiation - a cikin annulus:

• Aluminum foil don toshe radiation

An lulluɓe foil ɗin aluminum mai haske a cikin annulus don nuna hasken infrared baya zuwa bututun ciki mai zafi. Wannan yana rage hasarar zafi sosai a yanayin zafi mai zafi.

• Abubuwan da aka lalata don sarrafa sarrafawa

Wurin da ke tsakanin bututu na ciki da na waje yana cike da ƙananan ƙarancin ɗabi'a (kamar perlite foda ko ultra{1}} ulun gilashi mai kyau). Wannan yana ƙara juriya na thermal na annulus kuma yana iyakance kwararar zafi.

• Vacuum da getters don kashe convection

Bayan haɗawa, ana fitar da annulus zuwa wani babban wuri kuma an saka shi da abubuwan da ke ci gaba da ɗaukar ragowar iskar gas. Ba tare da kusan babu iskar gas da zai motsa ba, ana kawar da canja wurin zafi mai zafi a cikin annulus yadda ya kamata.

• Pre{0}maganin damuwa na bututun ciki don aminci

Ana ba da bututun ciki kafin - damuwa kafin waldawa ta ƙarshe, ta yadda faɗaɗa zafi da ƙanƙara yayin walda da aikin filin kada su haifar da matsi mai lahani. Wannan yana taimakawa wajen kiyaye yankin walda da gaba ɗaya haɗin gwiwa cikin aminci da injina akan dumama da zagayowar sanyaya.

 

Ta hanyar haɗa wannan tsarin bututu guda biyu{0} tare dagarkuwar radiation, ƙwaƙƙwaran rufi, babban vacuum da ciki -tube pre{1}} damuwa, Octal insulated tubing yana rage girman asarar zafi tare da rijiyar yayin da yake ci gaba da aiki da inji kamar sanannen igiyar bututun OCTG.

 

Babban mahimmin aikin injiniya shi ne cewa ba a ƙayyade aikin zafin jiki ta hanyar kayan rufewa kaɗai ba. A cikin sabis na fage, asarar zafi yana da ƙarfi ta hanyar kwanciyar hankali annulus, ƙarshen{1}}ƙaƙƙarfan walda da haɗin gwiwa{2}} sarrafa yanayin zafi bayan maimaita hawan keke. Shi ya sa kafin - matsananciyar tubing ke da dacewa musamman a cikin sabis ɗin tururi maimakon kawai a tsaye- sabis na zafin jiki.

 

   

 

 

Yanayin aikace-aikace	Kalubalen aiki	Yadda tubing insulated Octal ke taimakawa
Zurfafa{0}}ruwa / rijiyoyin mai -	Zafi daga ruwan zafi yana ƙaura zuwa cikin casing annuli, yana gina matsewar annulus da sanyaya mai mai nauyi a kan hanya.	Vacuum insulated tubingyana yanke ɗigon zafi a cikin annulus, yana daidaita matsa lamba annulus kuma yana sa samar da ruwa mai zafi, yana haɓaka motsi mai nauyi{0}} ba tare da ƙarin dumama ƙasa ba.
Rashin ruwa{0}} rijiyoyin iskar gas & samar da ruwa	Yayin rufe -a ciki ko ƙasa{1}}arancin ƙimar, raguwar zafin jiki na iya haifar da samuwar methane{2}}aruwa a cikin rijiyar ko kusa da hydrate{3}}mai ɗaukar yadudduka.	Ingantacciyar bayanin martabar yanayin zafi yana jinkirta samuwar ruwa, yana tsawaita amintaccen rufewa{0}a cikin taga kuma yana taimakawa kare hydrate{1}}samfurin ɗaukar hoto a kusa da hanyar rijiyar.
Alluran tururi don mai mai nauyi (SAGD / CSS)	Turi yana rasa inganci a cikin tubing na al'ada, yayin da casing da siminti suna ganin hawan hawan zafi mai zafi da haɗarin tashar tururi.	Vacuum insulated tubing (VIT)yana isar da tururi mai zafi zuwa tafki, yana rage zafi a cikin casing/cement kuma yana rage haɗarin gajiya mai zafi da tashar tururi tare da annulus.
Kanshore kakin zuma -tabbataccen ɗanyen mai da kwarara	Danyen mai yana sanyaya a cikin igiyar tubing, yana haifar da kakin zuma, sikeli ko ajiyar asphaltene wanda ke yanke samarwa kuma yana buƙatar fitar da tsafta akai-akai.{0}.	Bututun da aka keɓe yana rage sanyaya, yana riƙe ruwa sama da yanayin yanayin kakin zuma na tsawon tsayi kuma yana tsawaita tsaftatacce{0}, yana taimakawa samarwa ya kasance kusa da ƙira.
Geothermal da zafi rijiyoyin ruwa{0}	Ana asarar zafi daga yanayin zafi mai zurfi zuwa magudanar ruwa da rijiyoyin ruwa, yana rage zafin fitarwa da ingancin shuka.	Insulation yana rage hasarar zafi a cikin rijiyar "gajeren kewayawa", don haka ƙarin zafi ya kai kayan aikin saman, yana inganta gundumomi{1}} dumama ko ƙarfi{2}}arni.
Permafrost da Arctic rijiyoyin	Zafafan allura ko igiyoyin samarwa na iya narke permafrost a kusa da rijiyar, yana barazana ga kwanciyar hankali da kayan aikin saman.	Bututun da aka keɓe na Octal yana haifar da shinge mai zafi tsakanin zafin ciki mai zafi da kwanon rufi na waje, yana taimakawa kiyaye amincin permafrost da kare tushe cikin rijiyar.

 

Za a iya fahimtar dangin samfurin a fili ta hanyar amfani da kwatance guda biyar kai tsaye-: mai nauyi - farfadowar zafin mai, hana narkewar permafrost a cikin filayen mai da iskar gas, anti{2} rijiyoyin kakin zuma, dumama geothermal da samar da wutar lantarki, da rijiyoyin zafi- rijiyoyin bazara. Wannan yana taimakawa nuna cewa kewayon bai iyakance ga allurar tururi kadai ba; Hakanan za'a iya zaɓar shi gwargwadon zafi{5}}wajen kiyayewa a cikin ruwan zafi da sabis na geothermal.

 

 

 

                                                                                              

 

Zafafan rijiyoyin bazara{{0}

 

Don ci gaban bazara mai zafi, ƙimar bututun da aka keɓe ko bututun da aka keɓe ba kawai don rage asarar zafi ba ne, har ma don adana ƙarin zafi mai amfani daga zurfin zuwa fitarwa. A cikin irin waɗannan ayyukan, mafi girman zafin fitarwa da ƙarin kwanciyar hankali na zafi na iya haɓaka ƙimar kasuwancin rijiyar da rage asarar zafin jiki yayin bayarwa.

 

 

Don sauƙaƙe nunin ƙirar ƙira, girman bayanin da ke cikin wannan sashe an shirya shi cikin ƙungiyoyin tebur daban. Teburin farko ya ƙunshi daidaitaccen ɗimbin ɗimbin ɓawon tubing na iyali wanda akasari ake amfani da shi don alluran tururi, samar da mai mai nauyi da sauran sabis ɗin zafi na filin mai. Rukunin tebur na biyu suna ƙara girman bututun da aka ɗora da madaidaicin ma'aunin zafi don aikin zafi na keke. Teburi na uku yana nuna samfuran bututun da aka saba amfani da su kai tsaye a cikin zafi na geothermal{4}}musanya da zafi{5}}zafin bazara-sabis na adanawa. Tsare waɗannan iyalai masu girma dabam yana sa bitar RFQ cikin sauƙi kuma yana taimakawa bambance igiyoyin zafi na filin mai na al'ada daga insulation geothermal - saitin bututu.

 

Otal vacuum insulated tubing yana samuwa a cikin girman dangi mai zuwa don aikace-aikacen sabis na filin mai da tururi{0}.

 

Lambar girma	Bututu na waje (inch / mm)	Bututun ciki (inch / mm)	Kimanin ID mai gudana (mm)	Haɗin al'ada OD (mm)	Nauyin raka'a (kg/m)
73 × 40	2-7/8" × 5.51 mm bango (73.02 mm OD)	bango 1.9" × 3.68 mm bango (48.26 mm OD)	≈ 40.9	≈ 88.9 (BTC / Premium)	≈ 13.5
89 × 50	3-1/2" × 6.45 mm bango (88.9 mm OD)	2-3/8" × 4.83 mm bango (60.32 mm OD)	≈ 50.7	≈ 108	≈ 20.5
114 × 76	4-1/2" × 6.88 mm bango (114.3 mm OD)	3-1/2" × 6.45 mm bango (88.9 mm OD)	≈ 76.0	≈ 132.1 (BTC)	≈ 32
140 × 101	5-1/2" × 7.72 mm bango (139.7 mm OD)	4-1/2" × 6.35 mm bango (114.3 mm OD)	≈ 101.6	≈ 160 (BTC)	≈ 43
178 × 124	bango 7" × 9.19 mm bango (177.8 mm OD)	5-1/2" × 7.72 mm bango (139.7 mm OD)	≈ 124.3	≈ 200 (BTC)	≈ 65

 

Don ayyuka tare da maimaita hawan keke na zafi, ana samun rukunin girman dangin tubing ɗin da aka riga aka ɗora tare da rarrabuwa{0}}ana kuma akwai. Waɗannan ƙimar an fi nuna su a ƙasa madaidaicin tebur na VIT azaman ƙarin bayani don zaɓin sabis na thermal{2}, musamman inda masu siye ke buƙatar kwatanta girman, ambulaf ɗin haɗi, nauyin naúrar da aikin rufewa a cikin wannan matakin bita.

Don dumama geothermal, samar da wutar lantarki na geothermal da rijiyoyin bazara masu zafi, dangin samfurin sun ƙara haɗa da dangin ƙirar bututun Octal daban. Nuna waɗannan samfuran a cikin tebur mai zaman kansa yana sa aikace-aikacen ruwa mai zafi da zafi- ya fi sauƙi a kwatanta su ba tare da haɗa su da tururi ba{3}}girman bututun sabis, kuma yana ba masu siye ƙarin haske don farawa don ƙirar tashoshi da zaɓin samfuri.

 

Don sauƙaƙe zaɓin aikin injiniya, ana ba da bututun da aka keɓe na Octal a yawancinthermal maki:

• Darasi Bλ ≈ 0.06-0.04 W/(m· digiri)
• Darasi Cλ ≈ 0.04-0.02 W/(m· digiri)
• Darasi D- λ ≈ 0.02-0.006 W / (m· digiri)
• Darasi E- λ ≈ 0.006-0.002 W/(m· digiri)

Mafi girman darajar, ƙananan asarar zafi a kowace mita kuma mafi kyaukasa - ingancin tururidon yanayin da aka ba shi. Teamungiyar injiniyoyinmu na iya ƙirar asarar zafi tare da zurfin don ku iya ganin bambanci tsakanin tubing na yau da kullun, asalibututun da aka rigaya -da babban darajar Octal VIT tare da takamaiman bayanin martabar ku.

 

Matsayin rufi	B	C	D	E
Ƙarfafawar thermal λ W / (m· digiri)	0.06 > λ >= 0.04	0.04 > λ >= 0.02	0.02 > λ >= 0.006	0.006 > λ >= 0.002

 

Don zaɓi mai amfani, yakamata a karanta darajar zafin jiki tare da aikin sabis. A cikin aikin yin allura da nauyi - aikin mai, rage yawan zafin jiki yana nufin mafi girman ingancin tururi a zurfin tafki da ƙarancin canja wurin zafi da ba'a so a cikin annulus. A cikin ayyukan geothermal da zafi{4}} bazara, ƙarancin zafin jiki yana nufin mafi girman zafin fitarwa da ƙarin zafi mai amfani a saman. Shi ya sa ya kamata a daura darajar insulator zuwa ma'aunin makamashi, ba a kula da shi azaman keɓaɓɓen lambar kasida ba.

 

 

 

 

Ga masu siyan bututun da aka keɓe, mahimman tambayoyin ba kawai "waɗanne girman ku ke da su ba?", amma:

• Yaya asarar zafi nawa zan iya ajiyewa a rijiya ta?
• Shin an inganta ƙirar don zurfin{0} ruwa, allurar tururi ko yanayin bakin ruwa?
• Zan iya ganin k{0}}daraja da bayanin martaba kafin in yi oda?

Don amsa waɗannan, Octal treatsbututu mai rufia matsayin tsarin injiniya, ba ɗaya -nau'i ba{1}}ya dace da-dukkan samfur.

 

A cikin aikin ƙira mai amfani, an zaɓi bututun da aka keɓe ta hanyar manufar sabis, aikin zafi da yanayin lafiya, ba ta OD kaɗai ba. Bita yawanci yana farawa da manufa mai aiki: adana ingancin tururi zuwa zurfin tafki a cikin rijiyoyin CSS ko SAGD, iyakance zafin zafi zuwa annulus a cikin zurfin{1} samar da ruwa, rage raguwar zafin jiki a cikin kakin zuma{2} rijiyoyin da ke kan tudu, kare daskararru a wuraren permafrost, ko adana zafin da za a iya amfani da shi a cikin sabis na ruwan zafi.{3} Daga can, ana siffanta kirtanin tubing ta hanyar insulation grade, annulus vacuum target, support layout, connection thermal control da service- bukatun rayuwa karkashin maimaita hawan keke.

 

Wannan hanyar tana ba masu siye ƙarin tushe mai amfani don kwatantawa a matakin aikin. Maimakon kwatanta tubing kawai ta girman da nau'in zaren, za'a iya duba zaɓin akan hasarar zafi da ake tsammani, ƙasa{1}}rami ko yanayin zafi, zafin annulus, da kyau{2}zurfin dacewa da ko ginin yana nufin allurar tururi, zurfin{3}}tabbacin kwararar ruwa, aikin thermal na bakin teku ko tashar adana zafin ƙasa{4}} Wannan kuma shine ma'anar sassan da ke ƙasa: tuntuɓar farko, sannan zafi{6}}samar da sarrafawa a cikin annulus, sannan k{7}}ƙimar ƙima da ƙirar yanayin zafi, kuma a ƙarshe sabis na rayuwa da tsayin iyaka.

 

1. Saitunan daidaitawa zuwa yanayin filin
Madadin gini guda ɗaya, Octal yana ba da jeri-nau'i iri-iri da aka gina akan ra'ayin bututun ciki/ waje mara sumul. Don zurfin{1}} samar da ruwa muna mai da hankali kan dogon{2}} kwanciyar hankali da ƙarancin k{3}} dabi'u don sarrafa zafin annulus da haɗarin hydrate; don ayyukan tururi (CSS / SAGD) muna jaddada ƙarfin zafi mai girma da juriya ga hawan keke; don rijiyoyin kan teku da kariyar permafrost muna daidaita ƙarfin rufi tare da farashi da kayan inji. Ana ayyana kowane saitin ta hanyar ƙimar rufin sa, matakin vacuum da tsarin tallafi na ciki, don haka zaku iya daidaita igiyar VIT zuwa filin ku maimakon daidaita filin zuwa bututun.

 

2. Sarrafa convection, gudanarwa da radiation a cikin annulus
Ƙirar mu ta haɗu da hanyoyi guda uku don rage zafi tsakanin bututu na ciki da na waje:

• Ikon convection- Ana fitar da annulus zuwa matakin da aka ƙayyade, ko kuma an cika shi da iskar iskar gas a inda ya dace, don haka akwai ƙaramin ruwa da ya rage don ɗaukar zafi ta hanyar haɗuwa. Masu shiga cikin annulus suna taimakawa wajen kula da wannan yanayin a tsawon rayuwar rijiyar.
• Ikon gudanarwa- Tallafi masu sarari a hankali suna kiyaye bututu na ciki da na waje yayin da suke rage girman wurin tuntuɓar ƙarfe, kiyaye tazarar rufi ko da ƙarƙashin kaya da canjin yanayin zafi.
• Ikon Radiation– Multi{0}}Layer insulation tare da haske da kuma maras{1}}waɗanda ba na ɗabi'a (mai kama da tsarin MLI) yana rage hasken wuta a yanayin zafi mai zafi.

Inda ake buƙata, ana amfani da ƙarin rufi a kusa dayankin hadin gwiwadon kada haɗi ya zama "zafi" a cikin kirtani.

 

3. k{1}}mai aiki bisa ƙima da ƙirar zafi
Ana bayyana aikin thermal azaman ak -daraja(asarar zafi a BTU / hr·ft· digiri F ko W / m · digiri). Ana samun bututun da aka keɓe otal a cikin k{1}}masu ƙima da yawa, daga zurfin{2}matakin ruwa da aka ƙera don ƙarancin zafi, zuwa mafi girma{3}}k amma ƙarin maki na tattalin arziki don matsakaicin{4}}sabis na kan teku.

Don aikin aiki, ƙungiyar injiniyoyinmu na iya:

• lissafta k{0} dabi'u na zaɓaɓɓen saitin bututun da aka keɓe,
• guduzafin jiki{0}} da -zurfin bayanan martabaga takamaiman rijiyar ku, kuma
• kwatanta yanayi kamar "bututu na al'ada vs insulated tubing" ko "tsakiyar{0}}maki da babba{1}grade VIT".

Wannan yana ba ku kyakkyawan hangen nesa na ingancin tururi na ƙasa{0}, zazzabin casing/annulus da zafin wajekafinkun ƙaddamar da ƙirar kirtani.

 

Sauƙaƙen tebur ɗin kwatancen da ke ƙasa yana nuna yadda ƙananan zafin wutar lantarki ke haɗe da zafi mafi girma{0}}ƙarar cirewa a ƙarƙashin yanayi daban-daban na ƙasa{1}

 

Hakanan ma'anar aikin injiniya iri ɗaya yana haɓaka zuwa aikace-aikacen ruwa na geothermal da zafi{0}. An ayyana ma'anar thermal thermal guda uku -An ayyana ma'anar tashoshi azaman Tsarin A, B da C. Tsarin A yana wakiltar rijiyar rijiya ba tare da ingantacciyar jiyya ba, inda ake ɗaukar ƙarin zafi kuma ana ɓacewa a cikin ɓangaren zafi{4}. Tsarin B yana yin amfani da rufi a kan wani ɓangare na sashin don inganta ingantaccen amfani da ƙasa. Tsarin C yana gina ƙarin cikakken tashar adana zafi mai saukar da ruwa{7}} ta yadda za a iya ci gaba da ciyar da amfanin ƙasa, musamman a cikin rijiyoyin zafi masu girma-. Wannan yana da mahimmanci saboda yana haɗa zaɓin bututu zuwa tsarin zafin jiki{10}}ayyukan adanawa maimakon girman tubing kaɗai.

 

Wata hanyar aikace-aikacen ita ce hanyar musayar zafi ta coaxial - ta hanyar amfani da casing da tsakiya{1} shirye-shiryen bututu, inda ake amfani da bututu don adana ƙarin makamashin ƙasa mai fa'ida a gefen rijiyar. Don dumama geothermal da wutar lantarki -ayyukan samar da wutar lantarki, galibi ana yin zaɓi ne ta hanyar zazzabi mai fita, ƙimar zagayawa, hako rijiyar zafi mai kyau da fitar da zafi na shekara-shekara, ba kawai OD da nau'in zaren ba.

 

 

An jera wakilin shari'ar PERT II a ƙasa don nuna yadda ake kimanta zafin kanti da wutar rijiya ɗaya{0} ƙarƙashin ƙayyadadden yanayin aiki na geothermal.

 

Abubuwan daidaitawa na geothermal na yau da kullun sun haɗa da 273.05 × 11.43 mm casing tare da 178 × 135/194/154 mm madaidaicin madaidaicin ma'aunin tashar don kusan rijiyoyin 4000-4500 m kuma kusa da 3750-4500 kW fitarwa, 244.01 × 100mm Tsarin aji na 154 mm na kusan rijiyoyin 3100 m kuma kusan 1250-1500 kW, cage 219.1 × 10.16 mm tare da tsarin aji na 140 × 100 / 154 mm don kusan rijiyoyin 3000 m da kusan 1000-1250 kW. Tsarin aji na 81 / 127 mm na kusan rijiyoyin 2500-3000 m da kusan 750-1000 kW, da 139.7 × 7.72 mm casing tare da tsarin aji 89 × 62 / 99 mm na kimanin 2500-3000 m rijiyoyi da kusan 60000 kW.

 

Don sauƙin daidaita aikin, ana ƙara haɗa hanyar geothermal zuwa jerin H2000, H3000 da H4000. A zahiri, waɗannan suna wakiltar ci gaba mai zurfi da haɓaka mafi girma-fitar mafita na geothermal, yana taimaka wa masu siye su daidaita zurfin zurfi da zafi{5}}maƙasudin cirewa tare da madaidaiciyar rufin hanyar bututu-.

 

Hakanan kwatancen aikin kai tsaye yana taimakawa fayyace inda hanyar rufewa{0}}hanyar bututu ke ƙara ƙima da PERT II. Matsakaicin zafin jiki na PERT II shine kusan 0.42 W/(m·K), tare da ƙasa da 0.02 W/(m·K) don bututun insulation na Octal. A cikin ma'aunin zafi na 70 digiri - kwatancen yanayin zafi, zafi{7} ikon cirewa shine kusan 375 kW na PERT II da kusan 650 kW don bututun insulation na Octal, haɓaka kusan 275 kW, ko kusan 73%. A wani kwatancen rijiyar mita 2500 mai kimanin digiri 60 kasa -rami zafin jiki, 30m³/h gudun gudu da 20 digiri dawo{18} yanayin ruwa, PERT II ya kai kusan 26 digiri zafin jiki da 210 kW guda - rijiya ƙarfi, yayin da Octal insulation bututu ya kai kusan 45} 3 kW. zafi- ikon cirewa da kusan 243 kW, ko kuma kusan 116%.

 

Teburin kwatanta da ke ƙasa yana taƙaita tushen gwajin iri ɗaya da bambancin aiki tsakanin PERT II da bututun rufin Octal.

 

  

 

4. Tsara rayuwar sabis da zaɓuɓɓukan tsayi
Ana kera bututun da aka kera otal a cikiRange 2 da Tsawon Range 3tare da rayuwar ƙira mai daidaitawa zuwa dogon lokaci mai zurfi-ruwa, tururi{2}} allura ko sabis na geothermal. Mutuncin vacuum, aikin insulation da walda duk sun cancanci jure shekaru masu yawa na hawan keke, don haka k{4}}ƙimar da kuke gani a ƙirar ƙira ita ce k{5}ƙimar da zaku iya tsammani a filin.

 

                

 

 

An gina bututun da aka keɓe na otal akan matakan bututun API 5CT da aka saba:

• N80, L80-1, L80-1Cr, L80-3Cr, L80-9Cr
• Q125, S135 da sauran manyan maki - don rijiyoyin HPHT
• Daidaitaccen haɗin kai shineAPI ɗin BTC, kuma za mu iya samar da:
• iskar gas -haɗi na musamman (misali ƙarfe{3}}zuwa{4}} zaren ƙima mai kama da aiki zuwa babban iskar gas- tubing rijiya).
• ƙunshe da ƙananan zaɓuɓɓukan ruwa don sharewa{1}} mahimman layi.
• madaidaicin haɗin gwiwar ƴan tsana, crossovers da na'urorin haɗi.

Wannan yana nufin kuna samun fa'idodin thermal nainjin insulated tubing, amma har yanzu ma'aikatan ku na rig suna gudanar da shi tare da sanannun ayyukan sarrafa OCTG.

 

Haɗin wakilci{0}} bayanan matakin na iya taimakawa masu siye su tantance samfuran ɗan takara kafin kammala RFQ. Samfuran bututu na yau da kullun- sun haɗa da:

 

· 140 × 100- 5-1/2" BTC, haɗin OD game da154 mm, naúrar nauyi game da31 kg/m, tsawon tunani game da1429 cm, waje -jin bututuN80 139.7 × 6, na waje{0}}ƙarfin bugun bututu game daMafi girma ko daidai da 23 MPa, ciki -jin bututuN80 108 × 4, ciki - Ƙarfin bugun bututu game da Mafi Girma ko daidai da36 MPa, thermal conductivity a 100 digiri wajibiλ <0.02 W/(m·K)

· 189 × 62 - 3-1/2" NU, haɗin OD game da108 mm, naúrar nauyi game da15.2 kg/m, tsawon tunani game da39 ft, bututu na wajeN80 89 × 4,Ƙarfin bugun bututu na waje{0}Mafi girma ko daidai da 25.8 MPa, bututun cikiJ55 70 × 4, ciki{0}}ƙarfin matsa lamba game daMafi girma ko daidai da 38 MPa, thermal conductivity a 100 digiri wajibiλ <0.02 W/(m·K)

· 1219 × 182- 8-5/8" SC, haɗin OD game damm 233, naúrar nauyi game da65.7 kg/m, tsawon tunani game da70 ft,bututun waje 20# 219 × 7, na waje{0}}ƙarfin bugun bututu game daMafi girma ko daidai da 9 MPa, bututun ciki20# 196 × 6, ciki{0}}ƙarfin matsa lamba game daMafi girma ko daidai da 13 MPa, thermal conductivity a 100 digiri wajibiλ <0.02 W/(m·K)

· 1114 × 81 - 4-1/2" BTC, haɗin OD game da127 mm,naúrar nauyi game da22.6 kg/m,tunani tsawon game da96 tafe, bututu na wajeN80 114 × 5,Ƙarfin bugun bututu na waje{0}Mafi girma ko daidai da 24.3 MPa, bututun cikiN80 89 × 4, ciki{0}}ƙarfin matsa lamba game daMafi girma ko daidai da 43 MPa, thermal conductivity a 100 digiri wajibiλ <0.02 W/(m·K)

 

Waɗannan cikakkun bayanai suna da mahimmanci saboda keɓancewar siyayyar bututu{0} ba kasafai ake yanke shawarar aikin zafi kaɗai ba. Nau'in haɗin kai da haɗin kai OD yana shafar barin gudu, dacewa tare da tsarin rijiyar da ke akwai da kuma amfani da shigar filin. Ƙara waɗannan ƙirar - cikakkun bayanai na matakin zuwa shafin yana sa tattaunawar ta fi amfani ga duka nazarin injiniyanci da kwatanta siyayya.

 

 

Hanyar masana'antar tubing ɗin mu an ƙera ta ne a kusa da amincin injin annulus da aikin injiniya:

1. Shirye-shiryen bututu mara kyau– Ana samar da bututu na waje da na ciki daga zafi{0}}mai birgima maras sumul, yanke zuwa tsayi, zafi{1}}ana yin magani kuma an duba 100 % NDT-. Ana harbi saman saman{5}} don tabbatar da kyakkyawan haɗin gwiwa da tsabta.
2. Haɗin kai- An nannade bututun ciki ko kuma an cika shi da perlite / gilashin ulu, foil mai haske da sararin samaniya bisa ga darajar yanayin zafi da aka zaɓa, sannan a saka shi cikin bututun waje.
3. Pre{0}} miqe da walda– Ana amfani da pre-{0}} miƙewa zuwa bututun ciki, sannan ana welded ƙarshen biyun don rufe annulus yayin kiyaye jeri.
4. sarrafa injin- an fitar da annulus zuwa matakin da aka ƙayyade; ana kunna getters don kula da ƙananan matsa lamba akan rayuwar kirtani.
5. Gwajin ingancin leak da vacuum- Ana gwada walda da tashar jiragen ruwa (NDT da gwaje-gwajen leak) don tabbatar da matsewar annulus.
6. Gwajin zafin zafin jiki– Samfurin haɗin gwiwa daga kowane batch ana yin gwajin λ don tabbatar da ƙimar rufin.
7. Zare da ƙarewa- ana haɗa haɗin haɗin gwiwa, auna su zuwa API 5B ko zane-zane masu ƙima, zaren suna phosphated da kariya, kuma ana sanya alamar haɗin gwiwa kuma an tattara su don sufuri.

8.Cikakken jerin gwaje-gwaje- inji, NDT, injin, thermal da duban zaren - an ɗaure zuwalambar zafi da lambar haɗin gwiwa, kuma an rubuta su a cikin fakitin EN 10204 3.1 / 3.2 don amincewar aikin.

 

 

Ana iya siffanta hanyar samarwa a sarari azaman bututu{0}}ƙarshen shirye-shirye da bacin rai, maganin zafi, dubawa, gyarawa{1}} yanke tsayi da tsaftacewar ciki/ waje; nannade na aluminum tsare da rufi kayan; haɗuwa na bututu na waje da na ciki; kafin -mikewa da walda; cirewar injin tare da duba ɗigogi da duban hasken X-; annulus -kwantar da injin; thermal -gwajin aiki; da ayyuka na ƙarshe kamar zaren zaren, hydrotest da tattara kayan fitarwa. Wannan ƙarin bayanin aikin yana da daraja ƙarawa saboda yana ba masu siye hanyar karɓa mafi ƙaranci daga ɗanyen bututu zuwa gama haɗin haɗin gwiwa.

 

Daga ra'ayi na siye, batun kasuwanci ba wai kawai samfurin yana farawa da ƙarancin zafi ba, amma ko annulus ɗin ya kasance a rufe, ko yankin weld ɗin ya tsaya tsayin daka bayan hawan keken zafi kuma ko za'a iya sakin haɗin gwiwar da aka gama tare da zaren maimaitawa da bayanan dubawa. Wannan shine dalilin da ya sa sashin QA yakamata ya kasance daure da gwajin zafi, daidaiton iska, NDT, binciken haɗin gwiwa da takaddun tare maimakon ɗaukar su azaman da'awar daban.

 

 

 

 

Sakamakon bincike da yawa donbututu mai rufia zahiri koma zuwa saman kayayyakin kamarPEX tubing da aka rigayana gunduma{0}} madaukakan dumama,bututun jan karfe da aka rigayadon HVAC,keɓaɓɓen zafi na raguwa bututudon igiyoyin lantarki, ko abubuwa masu alama kamardekron insulated tubingamfani da kayan aikin masana'antu. Waɗannan samfuran suna da amfani a cikin filayensu, amma suna daba a tsara shi don saukar da sabis na digiri 350-400, babban faduwa ko buƙatun API 5CT.

 

Octal yana ba da nau'i daban-daban:karfe vacuum insulated tubing na mai, gas da kuma geothermal rijiyoyin. Samfurin mu:

 

• yana amfani da bututun ƙarfe na API 5CT{1} maimakon filastik ko jan karfe.
• an ƙera shi don ɗaukar tururi kuma ya samar da ruwa a ƙarƙashin babban matsin lamba a zurfin.
• yana haɗawa da igiyoyin casing na OCTG, kayan aikin rijiyar rijiya da kayan aikin ƙasa{0}.
• kuma yana tafiya daidai da matakin gwajin OCTG kamar yadda ake samar da tubing, a saman gwajin vacuum da thermal.

Don haka idan aikin ku yana buƙataPEX tubing da aka rigayakobututun jan karfe da aka rigayadon layin saman, waɗannan samfuran ne daban; lokacin da kuke buƙatar bututun ƙarfe wanda zai iya tsira a cikin rijiyar kanta,Otal vacuum insulated tubingshine mafita da ta dace.

 

Octal yana ba da wani nau'i na daban: bututun ƙarfe na ƙarfe da bututun mai da iskar gas, geothermal da zafi rijiyoyin ruwa{{0}. An gina samfurin akan tubular ƙarfe maimakon filastik ko jan ƙarfe, an ƙera shi don ɗaukar tururi ko ruwan zafi a ƙarƙashin yanayi mai kyau, yana haɗawa da igiyoyin OCTG da kayan aikin ƙasa, kuma yana tafiya ta hanyar injiniyoyi, thermal, vacuum da haɗin haɗin gwiwa- masu alaƙa da ingancin kulawa.

 

Wani ƙarin bambanci shine cewa dangin wannan samfurin bai kamata a fahimci shi azaman tururi ba kawai{0}} bututun allurar rijiyoyin mai. Har ila yau, ya haɗa da hanyar insulation -hanyar bututu don dumama ƙasa, samar da wutar lantarki da zafi{3} rijiyoyin bazara, inda ake auna ƙima ta mafi girma da zafin jiki, mafi kyawun adana zafi da ƙarfi ɗaya{4}} rijiyar zafi{5} yadda ya dace.

 

 

 

Tuntuɓi yanzu

 

 

Nau'in sabis:allurar tururi (CSS / SAGD), mai nauyi - samar da mai, zurfin{1}}ruwa, geothermal, rijiyoyin permafrost

Tsarin:concentric ninki biyu{0}} bututun ƙarfe maras sumul, da aka kwashe annulus tare da insulation multilayer

Girman girman (na waje × na ciki):

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")

Tsawon:Range 2 (R2) da Range 3 (R3), keɓaɓɓen haɗin gwiwar ƴan tsana yana samuwa

Makin Karfe:N80, L80-1 / 1Cr / 3Cr / 9Cr, Q125, S135 da sauran API 5CT maki

Haɗin kai:API BTC a matsayin ma'auni, iskar gas na zaɓi{0}} haɗe-haɗe masu ƙima

Makin zafi (k{0}}darajar):matakan rufewa da yawa, k ƙasa zuwa kusan . 0.002-0.006 W/(m· digiri) ya danganta da daraja

Max. zafin aiki:har zuwa kusan digiri 400 ( aikace-aikace - dogara)

Hot Tags: Vacuum Vacuum Insulated Tubing , China Vacuum Vacuum Insulated Tubing masana'antun, masu kaya, ma'aikata