Nqus Insulated Tubing
Khoom: Muab ob npaug rau- phab ntsa nqus tsev vacuum insulated tubing rau chav, hnyav- roj thiab dej kub hauv qhov dej
Kub: Txog li 400℃kev pab cuam nrog qis k- tus nqi rwb thaiv tsev kom txiav qhov hluav taws kub tsis zoo
Khoom siv & Qib: API 5CT seamless tubing hauv qib N80-Q125
Qhov Loj: 2-7 / 8 "× 1.9" rau 7" × 5-1 / 2", R2 / R3, insulated pup pob qij txha muaj
Zoo: Txhua lub tshuab nqus tsev sib koom ua ke- kuaj, NDT + thermal kuaj nrog daim ntawv pov thawj tag nrho
Txhua qhov cub-txhaj tshuaj lossis qhov dej kub hauv qab no siv nyiaj ntau los hloov roj rau hauv siab-chaw zoo ntawm qhov chaw. Nyob rau hauv ib txoj hlua tubing, ib feem loj ntawm lub zog poob ntawm txoj kev nqes: cov dej tsis zoo, cov roj nyob twj ywm viscous, siv quav ciab thiab nplai tsim, casing khiav kub thiab, nyob rau hauv permafrost, av nyob ib ncig ntawm lub qhov dej yuav pib thaw. Thaum cov neeg ua haujlwm ncav cuag qhov no, cov lus nug tsis yog "ntau chav?" tab sis "peb yuav ua li cas kom sov qhov chaw nws tseem ceeb?"
Octal Tubeinsulated tubing, kuj hu uaNqus insulated tubing (VIT), yog tsim los raws nraim cov qhov dej no. Txhua qhov sib koom ua ke yog ob- phab ntsa sib dhos nrog lub raj tsim tawm sab hauv thiab lub raj xa khoom sab nraud. Lub annulus tau sau nrog siab - rwb thaiv tsev kev ua tau zoo thiab khiav tawm mus rau lub tshuab nqus tsev siab, nrog cov txheej txheem rov qab thiab cov khoom siv los thaiv cov conduction, convection thiab hluav taws xob tib lub sijhawm. Piv nrog rau cov tubing liab qab, peb txoj hlua VIT muab cov hauv qab ntau dua - qhov dej zoo, qhov kub thiab txias qis dua thiab qhov poob qis dua ib meter.
Ua los ntawm API 5CT tubing qib xws li N80, L80 thiab P110 nrog BTC lossis premium gas-kev sib txuas nruj, Octalua ntej- insulated tubingtuaj yeem khiav nrog cov cuab yeej siv OCTG txheem, tab sis muab koj cov kev ua haujlwm thermal uas yuav tsum tau ua rau hnyav - roj chav txhaj tshuaj, offshore hnyav - roj tsim, permafrost qhov dej thiab siab -enthalpy geothermal tej yaam num.
Yuav ua li cas Octal Insulated Tubing ua haujlwm
Octal insulated tubing yog tsim los ua ib qhoob -wall concentric yeeb nkab hlua. Txhua qhov sib koom ua ke muaj ib qho me melub raj sab hauvuas nqa cov kua dej zoo thiab loj dualub cev sab nrauvuas tiv thaiv lub rooj sib txoos. Ob lub raj yog welded ua ke ntawm ob qho kawg, tsim kom muaj kev sib khiannular rwb thaiv tsev qhov chawnruab nrab ntawm lawv. Cov pob qij txha txuas nrog rau hauv qhov dej nrog API BTC lossis hwm threaded couplings, yog li cov hlua ua tiav zoo li tus qauv tubing.
Lub thermal tsim yog raws li kev txiav tag nrhopeb theem pib cua sov-hloov mechanisms – conduction, convection thiab radiation – nyob rau hauv lub annulus:
- Aluminium ntawv ci rau hluav taws xob thaiv
Reflective aluminium foil yog qhwv rau hauv lub annulus kom muaj kev cuam tshuam cov hluav taws xob infrared rov qab rau hauv cov raj kub kub. Qhov no zoo heev txo cov hluav taws xob hluav taws xob poob ntawm qhov kub thiab txias.
- Cov khoom siv rwb thaiv tsev rau kev tswj xyuas
Qhov chaw nruab nrab ntawm cov yeeb nkab sab hauv thiab sab nrauv yog ntim nrog cov khoom siv hluav taws xob qis (xws li perlite hmoov lossis ultra- iav ntaub plaub). Qhov no tsub kom lub thermal tsis kam ntawm lub annulus thiab txwv conductive tshav kub txaus.
- Nqus thiab getters los suppress convection
Tom qab sib dhos, lub annulus raug tshem tawm mus rau lub tshuab nqus tsev siab thiab haum nrog cov khoom siv uas txuas ntxiv nqus cov pa seem. Nrog yuav luag tsis muaj roj rau txav mus, convective tshav kub hloov nyob rau hauv lub annulus yog zoo tshem tawm.
- Ua ntej- kev kho kev ntxhov siab ntawm lub raj sab hauv kom muaj kev nyab xeeb
Cov yeeb nkab sab hauv yog muab kev tswj hwm ua ntej- kev ntxhov siab ua ntej qhov kawg vuam, kom thermal expansion thiab contraction thaum lub sij hawm vuam thiab kev ua hauj lwm teb tsis tsim teeb meem residual stresses. Qhov no pab ua kom thaj chaw vuam thiab tag nrho cov kev sib koom ua ke muaj kev nyab xeeb ntawm ntau lub cua sov thiab cua txias.
Los ntawm kev sib txuas ob qhov - yeeb nkab qauv nrogKev tiv thaiv hluav taws xob, cov khoom siv rwb thaiv tsev, lub tshuab nqus tsev siab thiab sab hauv -tube ua ntej- kev ntxhov siab, Octal insulated tubing minimizes tshav kub poob raws lub qhov dej thaum tseem coj tus cwj pwm zoo li tus paub OCTG tubing hlua.
Lub ntsiab lus tseem ceeb ntawm engineering yog qhov kev ua haujlwm thermal tsis yog txiav txim siab los ntawm cov khoom siv rwb thaiv tsev ib leeg. Hauv kev ua haujlwm, kev poob cua sov yog cuam tshuam los ntawm kev ruaj khov, kawg -weld kev ncaj ncees thiab kev sib koom ua ke- cheeb tsam thermal tswj tom qab rov qab kub dua. Tias yog vim li cas ua ntej-stressed insulated tubing yog tshwj xeeb tshaj yog muaj feem xyuam rau hauv cyclic steam service es tsis yog nyob rau hauv khov kho- kub kev pab cuam.
Cov ntawv thov tseem ceeb - Qhov twg Octal Insulated Tubing siv
| Daim ntawv thov scenario | Kev sib tw ua haujlwm | Yuav ua li cas Octal insulated tubing pab |
|---|---|---|
| Sib sib zog nqus-dej / offshore hnyav- roj qhov dej | Thaum tshav kub kub los ntawm cov kua dej kub migrate mus rau hauv casing annuli, lub tsev ntxiab annulus siab thiab txias hnyav roj nyob rau hauv txoj kev. | Nqus insulated tubingtxiav cov cua sov tso rau hauv lub annulus, stabilizes annulus siab thiab ua kom cov kua dej kub dua, txhim kho hnyav - roj txav tsis muaj cua sov ntxiv. |
| Hydrate-sensitive gas wells & hydrate formations | Thaum kaw -hauv lossis qis- tus nqi ntws, qhov kub thiab txias tuaj yeem ua rau muaj methane-hydrate tsim nyob rau hauv lub qhov dej los yog ze hydrate- cov txheej txheem. | Qhov ntsuas kub ruaj khov dua ncua sijhawm hydrate tsim, txuas ntxiv qhov kev nyab xeeb kaw -hauv qhov rais thiab pab tiv thaiv hydrate- cov kab nrib pleb nyob ib puag ncig txoj hauv kev. |
| Steam txhaj rau cov roj hnyav (SAGD / CSS) | Chav tsis zoo nyob rau hauv cov pa tubing, thaum casing thiab cement pom cov thermal cycling siab thiab pheej hmoo ntawm chav channeling. | Nqus insulated tubing (VIT)xa cov cua kub rau lub reservoir, txo cov cua sov rau hauv casing / cement thiab txo qhov kev pheej hmoo ntawm thermal qaug zog thiab chav channeling raws lub annulus. |
| Onshore wax-nrawm crude & flow assurance | Crude cools nyob rau hauv txoj hlua tubing, ua rau siv quav ciab, nplai los yog asphaltene deposits uas txiav ntau lawm thiab yuav tsum tau nquag ntxuav - tawm. | Insulated tubing ua kom txias txias, ua kom cov kua dej siab tshaj qhov kub thiab txias kom ntev dua thiab ua kom huv huv - tawm ib ntus, pab ntau lawm nyob ze rau tus nqi tsim. |
| Geothermal thiab kub - dej qhov dej | Thaum tshav kub kub poob los ntawm qhov sib sib zog nqus kub formations mus rau ntiav aquifers thiab wellbore, txo qhov hluav taws xob kub thiab cog efficiency. | Rwb thaiv tsev txo qhov "luv-circuit" cua sov poob hauv qhov dej, yog li cov cua kub ntau dua mus txog cov khoom siv saum npoo av, txhim kho koog tsev kawm ntawv - cua sov lossis fais fab - tiam kev ua haujlwm. |
| Permafrost thiab Arctic qhov dej | Kub txhaj tshuaj los yog cov hlua ntau lawm tuaj yeem thaw permafrost nyob ib ncig ntawm lub qhov dej, hem pad stability thiab cov chaw nto. | Octal insulated tubing tsim lub thermal thaiv ntawm kub sab hauv ntws thiab txheej casing, pab khaws cia permafrost kev ncaj ncees thiab tiv thaiv lub hauv paus thoob plaws hauv lub neej zoo. |
Cov tsev neeg cov khoom tuaj yeem nkag siab ntau dua los ntawm tsib qhov ncaj qha - siv cov lus qhia: hnyav- roj thermal rov qab, tiv thaiv permafrost thaw hauv cov roj thiab roj av, tiv thaiv -wax wellbores, geothermal heating and power generation, and hot- spring wells. Qhov no pab qhia tias qhov ntau yam tsis txwv rau kev txhaj tshuaj ib leeg; nws kuj tuaj yeem raug xaiv raws li cov cua sov-kev txuag dej hauv qhov kub- dej thiab kev pabcuam hauv av.
Kub- lub caij nplooj ntoo hlav
Rau qhov kub- caij nplooj ntoos hlav txoj kev loj hlob, tus nqi ntawm insulated tubing los yog rwb thaiv tsev yeeb nkab tsis yog tsuas yog txo cov cua sov, tab sis kuj yuav ua kom muaj txiaj ntsig zoo ntawm cov cua kub ntawm qhov tob mus rau qhov hluav taws xob. Nyob rau hauv cov haujlwm zoo li no, qhov hluav taws xob kub siab dua thiab kev txuag hluav taws xob ruaj khov tuaj yeem txhim kho tus nqi lag luam ntawm qhov dej thiab txo qhov kub poob thaum lub sij hawm xa khoom.
Size Range thiab Basic Specifications
Txhawm rau ua kom cov qauv tshuaj ntsuam xyuas yooj yim dua, cov ntaub ntawv loj nyob rau hauv seem no yog teem rau hauv pawg lus sib cais. Thawj lub rooj npog cov txheej txheem nqus tsev vacuum insulated tubing loj tsev neeg feem ntau siv rau kev txhaj tshuaj, hnyav - roj ntau lawm thiab lwm yam kev pabcuam thermal. Pab pawg thib ob ntxiv cov txheej txheem prestressed insulated tubing qhov ntau thiab tsawg thiab cov qib rwb thaiv tsev rau cyclic thermal lub luag haujlwm. Lub rooj thib peb qhia tau hais tias cov qauv Octal rwb thaiv tsev yeeb nkab siv ncaj qha nyob rau hauv geothermal tshav kub- pauv thiab kub- caij nplooj ntoos hlav cua sov- kev pabcuam khaws cia. Ua kom cov tsev neeg loj sib cais ua rau RFQ tshuaj xyuas yooj yim dua thiab pab kom paub qhov txawv ntawm cov pa roj av thermal cov hlua los ntawm cov hluav taws xob hluav taws xob hauv hluav taws xob- cov yeeb nkab teeb tsa.
Octal nqus tsev insulated tubing muaj nyob rau hauv cov nram qab no tus neeg sawv cev loj tsev neeg rau oilfield thiab steam- daim ntawv thov kev pab.
| Loj code | Cov yeeb nkab sab nraud (inch / mm) | Cov yeeb nkab sab hauv (inch / mm) | Kwv yees li. Flow ID (mm) | Hom kev sib txuas OD (mm) | Qhov hnyav (kg / m) |
|---|---|---|---|---|---|
| 73 × 40 | 2-7/8" × 5.51mm phab ntsa (73.02mm OD) | 1.9" × 3.68mm phab ntsa (48.26mm OD) | ≈ 40.9 | ≈ 88.9 (BTC / premium) | ≈ 13.5 |
| 89 × 50 | 3-1/2" × 6.45mm phab ntsa (88.9mm OD) | 2-3/8" × 4.83mm phab ntsa (60.32mm OD) | ≈ 50.7 | ≈ 108 | ≈ 20.5 |
| 114 × 76 | 4-1/2" × 6.88mm phab ntsa (114.3mm OD) | 3-1/2" × 6.45mm phab ntsa (88.9mm OD) | ≈ 76.0 | ≈ 132.1 (BTC) | ≈ 32 |
| 140 × 101 | 5-1/2" × 7.72mm phab ntsa (139.7mm OD) | 4-1/2" × 6.35mm phab ntsa (114.3mm OD) | ≈ 101.6 | ≈ 160 (BTC) | ≈ 43 |
| 178 × 124 | 7" × 9.19mm phab ntsa (177.8mm OD) | 5-1/2" × 7.72mm phab ntsa (139.7mm OD) | ≈ 124.3 | ≈ 200 (BTC) | ≈ 65 |
Rau cov haujlwm uas muaj kev rov ua kom sov dua, muaj cov tsev neeg uas muaj cov tubing uas muaj zog ua ke nrog cov rwb thaiv tsev - qib kev faib tawm kuj muaj. Cov txiaj ntsig no tau pom zoo tshaj plaws hauv qab tus qauv VIT cov lus raws li kev siv ntxiv rau thermal- kev xaiv kev pabcuam, tshwj xeeb tshaj yog qhov uas cov neeg yuav khoom yuav tsum sib piv qhov loj me, lub hnab ntawv sib txuas, qhov hnyav thiab kev rwb thaiv tsev ua haujlwm hauv tib kauj ruam tshuaj xyuas.
| Loj code |
Cov yeeb nkab sab nraud (inch / mm) | Cov yeeb nkab sab hauv (inch / mm) | Flow ID / annulus gap (mm) |
Kev sib txuas hom / OD (mm) |
Chav ntsuas hnyav (kg / m) |
|---|---|---|---|---|---|
| 73 × 40 | 2-7/8" × 5.51mm phab ntsa (73.02mm OD) | 1.9" × 3.68mm phab ntsa (48.26mm OD) | 40.9 / 6.87 | NWS / 88.9 | 13.5 |
| 89 × 50 | 3-1/2" × 6.45mm phab ntsa (88.9mm OD) | 2-3/8" × 4.83mm phab ntsa (60.32mm OD) | 50.66 / 7.84 | UAS / 108 | 20.5 |
| 114 × 76 | 4-1/2" × 6.88mm phab ntsa (114.3mm OD) | 3-1/2" × 6.45mm phab ntsa (88.9mm OD) | 76 / 5.82 | BTC / 132.1 | 32 |
| 140 × 101 | 5-1/2" × 7.72mm phab ntsa (139.7mm OD) | 4-1/2" × 6.35mm phab ntsa (114.3mm OD) | 101.6 / 4.98 | IB / 160 | 43 |
| 178 × 124 | 7" × 9.19mm phab ntsa (177.8mm OD) | 5-1/2" × 7.72mm phab ntsa (139.7mm OD) | 124.26 / 9.86 | BTC / 200 | 65 |
Rau cov cua kub hauv av, hluav taws xob hluav taws xob hauv hluav taws xob thiab kub- lub caij nplooj ntoos hlav qhov dej, cov khoom tsev neeg ntxiv nrog rau cais Octal rwb thaiv tsev yeeb nkab qauv tsev neeg. Kev qhia cov qauv no hauv lub rooj ywj pheej ua rau thaj chaw kub thiab kub- cov ntawv thov dej yooj yim dua los sib piv yam tsis muaj kev sib xyaw nrog cov chav dej - qhov loj me ntawm cov tubing, thiab muab cov neeg yuav khoom pom qhov pib pom tseeb rau cov cua sov- khaws cia channel tsim thiab xaiv cov qauv.
| Loj code |
Cov yeeb nkab sab nraud (OD / WT, mm) | Cov yeeb nkab sab hauv (OD / WT, mm) | Bore ID / annulus gap (mm) |
Kev sib txuas hom / OD (mm) |
Chav ntsuas hnyav (kg / m) |
|---|---|---|---|---|---|
| 89 × 62 | 89 × 4 | 70 × 4 | 62 / 5.5 | NWS / 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 | PAB / 127 | 22.6 |
| 140 × 100 | 139.7 × 6 | 108 × 4 | 100 / 8.87 | PIB / 154 | 31 |
| 219 × 182 | 219 × 7 | 194 × 6 | 182 / 5.5 | SIB / 234 | 66 |
Thermal Performance Qib
Yuav kom xaiv engineering yooj yim dua, Octal insulated tubing muaj ntau yamthermal qib:
- Qib B- λ ≈ 0.06-0.04 W / (m· degree)
- Qib C- λ ≈ 0.04-0.02 W / (m· degree)
- Qib D- λ ≈ 0.02-0.006 W / (m·℃degree)
- Qib E- λ ≈ 0.006-0.002 W / (m· degree)
Cov qib siab dua, qhov kub poob qis dua ib 'meter' thiab qhov zoo duahauv qab - qhov cub zoorau qhov muab qhov chaw. Peb pab neeg ua haujlwm engineering tuaj yeem ua qauv kev poob qis piv rau qhov tob kom koj tuaj yeem pom qhov sib txawv ntawm cov tubing zoo tib yam, yooj yimua ntej- insulated tubingthiab siab -qib Octal VIT nrog koj qhov profile tshwj xeeb.
| Rwb thaiv tsev qib | 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 |
Rau kev xaiv cov tswv yim, qib thermal yuav tsum tau nyeem ua ke nrog kev pabcuam. Hauv chav-txhaj tshuaj thiab hnyav- cov phiaj xwm roj, cov thermal conductivity qis dua txhais tau tias cov chav ua haujlwm siab dua ntawm qhov tob ntawm lub reservoir thiab tsawg dua tsis xav tau cua sov hloov mus rau hauv lub annulus. Hauv geothermal thiab kub- cov haujlwm caij nplooj ntoo hlav, qis thermal conductivity txhais tau hais tias qhov hluav taws xob ntau dua thiab siv tau ntau dua ntawm qhov chaw. Tias yog vim li cas cov qib rwb thaiv tsev yuav tsum tau khi rau qhov project zog tshuav nyiaj li cas, tsis raug kho raws li tus lej catalog cais.
Thermal Design & k-Tus nqi ua tau zoo rau Octal Insulated Tubing
Rau cov tub lag luam insulated, cov lus nug tseem ceeb tsis yog "koj muaj qhov ntau npaum li cas?", tab sis:
- Kuv tuaj yeem txuag tau ntau npaum li cas hauv kuv lub qhov dej?
- Puas yog tus qauv tsim tau zoo rau kev sib sib zog nqus- dej, tshuaj txhaj tshuaj lossis dej hiav txwv?
- Kuv puas tuaj yeem pom k- tus nqi thiab qhov kub thiab txias ua ntej kuv xaj?
Los teb cov no, Octal khoinsulated tubingraws li ib tug engineered system, tsis yog ib tug -hom- haum- tag nrho cov khoom.
Hauv kev tsim qauv ua haujlwm, cov tubing insulated yog xaiv los ntawm lub hom phiaj kev pabcuam, lub luag haujlwm kub thiab qhov zoo, tsis yog los ntawm OD ib leeg. Kev tshuaj xyuas ib txwm pib nrog lub hom phiaj ua haujlwm: khaws cia qhov dej zoo rau hauv qhov dej tob hauv CSS lossis SAGD qhov dej, txwv cov cua sov tawm mus rau lub annulus hauv qhov sib sib zog nqus- dej ntau lawm, txo qhov kub thiab txias poob hauv cov quav ciab- cov qhov dej nyob rau sab ntug dej, tiv thaiv cov dej khov hauv cov cheeb tsam permafrost, los yog khaws cia cov cua sov uas siv tau hauv cov dej kub.{3}} thiab cov dej kub. Los ntawm qhov ntawd, txoj hlua tubing yog txhais los ntawm qib rwb thaiv tsev, lub hom phiaj ntawm lub tshuab nqus tsev, kev txhawb nqa, kev sib txuas thermal tswj thiab kev pabcuam- lub neej yuav tsum tau ua raws li kev rov ua dua thermal.
Txoj hauv kev no muab cov neeg yuav khoom siv ntau dua rau kev sib piv ntawm qhov project theem. Es tsis txhob muab cov tubing sib piv los ntawm qhov loj me thiab xov hom, cov kev xaiv tuaj yeem kuaj xyuas qhov kev xav tau ntawm cov cua sov, hauv qab - qhov kub thiab qhov hluav taws xob, qhov kub thiab txias, zoo- qhov tob tob thiab seb qhov kev tsim kho puas yog npaj rau kev txhaj tshuaj, sib sib zog nqus - dej ntws ruaj khov, onshore thermal lub luag haujlwm lossis geothermal cua sov-preservation. Qhov ntawd kuj yog qhov laj thawj ntawm cov ntu hauv qab no: kev teeb tsa ua ntej, tom qab ntawd kub- hloov kev tswj nyob rau hauv lub annulus, ces k- tus nqi thiab kub qauv, thiab thaum kawg kev pab cuam lub neej thiab ntev npaum li cas.
1. Configurations tuned rau teb tej yam kev mob
Hloov chaw ntawm ib qho kev tsim kho, Octal muaj ntau qhov kev teeb tsa hluav taws xob tsim los ntawm tib lub tswv yim seamless puab / sab hauv yeeb nkab. Rau qhov sib sib zog nqus- dej ntau lawm peb tsom mus rau ntev - lub sij hawm ruaj khov thiab qis heev k- tus nqi los tswj qhov kub thiab txias thiab hydrate txaus ntshai; rau cov dej num ua haujlwm (CSS / SAGD) peb hais txog qhov siab -kub muaj peev xwm thiab tsis kam mus rau thermal cycling; rau onshore qhov dej thiab permafrost tiv thaiv peb sib npaug rwb thaiv tsev lub zog nrog cov nqi thiab txhua yam khoom. Txhua qhov kev teeb tsa tau txhais los ntawm nws qib rwb thaiv tsev, qib nqus tsev thiab kev txhawb nqa sab hauv, yog li koj tuaj yeem phim VIT txoj hlua rau koj daim teb es tsis yog hloov kho lub teb mus rau lub raj.
2. Tswj convection, conduction thiab hluav taws xob nyob rau hauv lub annulus
Peb cov qauv tsim muab peb lub tswv yim los txo cov cua sov hloov ntawm cov yeeb nkab sab hauv thiab sab nraud:
- Convection tswj- lub annulus raug tshem tawm mus rau qhov ntsuas lub tshuab nqus tsev, lossis ntim nrog cov roj inert qhov tsim nyog, yog li muaj cov kua dej tsawg tsawg los nqa cov cua sov los ntawm convection. Getters nyob rau hauv lub annulus pab tswj tus mob no tshaj lub neej ntawm lub qhov dej.
- Kev tswj xyuas- Ua tib zoo spaced kev txhawb nqa kom cov kav dej sab hauv thiab sab nrauv ua kom zoo sib xws thaum txo qhov chaw sib cuag ntawm cov hlau, tswj qhov sib txawv ntawm cov rwb thaiv tsev txawm tias nyob rau hauv kev thauj khoom thiab kub hloov.
- Kev tswj hluav taws xob- ntau- txheej rwb thaiv tsev nrog kev cuam tshuam thiab tsis yog- cov txheej txheem conductive (zoo ib yam li hauv paus ntsiab lus rau MLI systems) txo cov hluav taws xob hloov hluav taws xob ntawm qhov kub thiab txias.
Yog xav tau, ntxiv rwb thaiv tsev yog siv nyob ib ncig ntawmthaj chaw sib koomkom cov kev sib txuas tsis dhau los ua "qhov kub" hauv txoj hlua.
3. k-tus nqi raws li kev ua tau zoo thiab thermal qauv
Thermal kev ua tau zoo yog qhia raws li ib tugk-tus nqi(kub poob hauv BTU / hr·ft·℃F lossis W / m·℃). Octal insulated tubing muaj nyob rau hauv ob peb k- tus nqi bands, los ntawm qhov sib sib zog nqus- dej theem tsim los rau cov cua kub qis heev, mus rau siab dua -k tab sis cov qib qis dua rau nruab nrab- qhov kub thiab txias ntawm ntug dej.
Rau qhov project ua haujlwm, peb pab pawg engineering tuaj yeem:
- xam k-tus nqi rau qhov xaiv insulated tubing configuration,
- khiavkub- piv- qhov tob profilesrau koj qhov tshwj xeeb zoo geometry, thiab
- piv cov xwm txheej xws li "paj tubing vs insulated tubing" lossis "mid-qib vs high- qib VIT".
Qhov no ua rau koj pom qhov pom tseeb ntawm hauv qab- qhov dej zoo, casing/annulus kub thiab qhov hluav taws xob qhov hluav taws xobua ntejkoj cog lus rau txoj hlua tsim.
Cov lus sib piv yooj yim hauv qab no qhia tau hais tias qhov thermal conductivity qis dua yog txuam nrog cov cua sov siab dua - lub zog rho tawm hauv qab sib txawv - qhov kub thiab txias.
| Thermal conductivity [W/(m·K)] |
Kwv yees li. tshav kub- rho tawm zog ntawm 55℃(kW) |
Kwv yees li. tshav kub- rho tawm zog ntawm 60℃(kW) |
Kwv yees li. tshav kub- rho tawm zog ntawm 65℃(kW) |
Kwv yees li. tshav kub- rho tawm zog ntawm 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 |
Tib qhov laj thawj engineering kuj tseem txuas mus rau hauv av thiab kub - ntawv thov dej. Peb downhole thermal-channel cov ntsiab lus tau txhais raws li Scheme A, B thiab C. Scheme A sawv cev rau lub qhov dej uas tsis muaj kev kho zoo insulated, qhov twg cov cua kub ntau dua absorbed thiab poob rau hauv cov cua sov- seem cia. Scheme B siv rwb thaiv tsev ntawm ib feem ntawm ntu los txhim kho geothermal siv efficiency. Scheme C tsim kom muaj qhov ua kom tiav cov cua sov hauv qab-kev khaws cia channel kom thiaj li siv tau rau hauv av tuaj yeem raug thawb ntxiv, tshwj xeeb tshaj yog nyob rau hauv siab dua - qhov dej kub. Qhov no tseem ceeb vim tias nws txuas cov yeeb nkab xaiv rau cov cua sov hauv lub cev-kev txuag kev ua haujlwm tsis yog rau cov tubing loj ib leeg.
Lwm daim ntawv thov txoj kev yog coaxial tshav kub- sib pauv txoj kev siv casing thiab qhov chaw - yeeb nkab kev npaj, qhov twg cov yeeb nkab rwb thaiv tsev yog siv los khaws cov khoom siv hluav taws xob ntau dua hauv qhov dej hauv qhov dej. Rau cov cua kub hauv av thiab lub zog- cov phiaj xwm tiam, kev xaiv feem ntau yog tsav los ntawm qhov hluav taws xob kub, tus nqi ncig, ib qho - zoo cua kub rho tawm thiab tso tawm hluav taws xob txhua xyoo, tsis yog OD thiab xov hom.
Ib tus neeg sawv cev PERT II cov ntaub ntawv tau teev tseg hauv qab no los qhia seb qhov hluav taws xob qhov hluav taws xob thiab ib qho - lub hwj chim zoo raug ntsuas raws li qhov ntsuas qhov ntsuas kub ntawm qhov chaw.
| Parameter | PERT II kev ua tau zoo ntawm 2500 m qhov tob |
|---|---|
| Txoj kev thov | PERT II |
| Zoo qhov tob | 2500 m |
| Hauv qab - qhov kub | 85 degree |
| Tus nqi ntws | 30 m³/h |
| Kev ua haujlwm | Steady- xeev xwm |
| Rov qab - dej kub | 20 degree |
| Hauv qab dej kub | 41 degree |
| Qhov hluav taws xob- dej kub | 29.7 degree |
| Ib leeg - zoo zog | cav 338kW |
Cov kev teeb tsa hauv qhov hluav taws xob muaj xws li 273.05 × 11.43 mm casing nrog 178 × 135 / 194 / 154 mm txuam insulated channel qhov ntev li ntawm 4000–4500 m qhov dej thiab ib ncig ntawm 3750–4500 kW tso zis, 5 × 104. 100 / 154 mm chav kawm npaj rau txog 3100 m qhov dej thiab roughly 1250–1500 kW, ib 219.1 × 10.16 mm casing nrog 140 × 100 / 154 mm chav kawm npaj rau txog 3000 m qhov dej thiab roughly 12258.7 kW. mm casing nrog 114 × 81 / 127 mm chav kawm npaj rau txog 2500–3000 m qhov dej thiab roughly 750–1000 kW, thiab ib tug 139.7 × 7.72 mm casing nrog 89 × 62 / 99 mm chav kawm npaj rau txog 2500 m4000 thiab ntxhib.
Txhawm rau kom yooj yim dua qhov kev sib piv, txoj hauv kev nyob rau hauv geothermal yog ntxiv rau hauv H2000, H3000 thiab H4000 series. Hauv cov ntsiab lus siv tau, cov no sawv cev rau qhov tob dua thiab siab dua- tso tawm cov kev daws teeb meem hauv av, pab cov neeg yuav khoom sib dhos kom zoo qhov tob thiab cua sov- lub hom phiaj rho tawm nrog cov rwb thaiv tsev kom raug- cov kav dej.
Kev sib piv ntawm kev ua haujlwm ncaj qha kuj tseem pab qhia meej qhov twg cov rwb thaiv tsev - txoj kab yeeb nkab ntxiv tus nqi piv rau PERT II. Lub thermal conductivity ntawm PERT II yog hais txog 0.42 W / (m·K), piv rau tsawg dua 0.02 W / (m·K) rau Octal rwb thaiv tsev yeeb nkab. Nyob rau hauv ib tug 70℃downhole-kub sib piv, tshav kub- rho tawm hwj chim yog hais txog 375 kW rau PERT II thiab txog 650 kW rau Octal rwb thaiv tsev yeeb nkab, nce li ntawm 275 kW, los yog roughly 73%. Hauv lwm qhov kev sib piv rau 2500 m qhov dej nrog txog 60℃hauv qab - qhov kub, 30 m³ / h ntws tus nqi thiab 20℃rov qab los - dej, PERT II ncav cuag li 26℃qhov hluav taws xob kub thiab 210 kW ib zaug - lub zog zoo, thaum Octal imp3 rwb thaiv tsev yeeb nkab nce mus txog 4 ° C thiab txog 4 ° C. ib zaug -zoo cua sov- rho tawm lub zog los ntawm 243 kW, lossis kwv yees li 116%.
Cov lus sib piv hauv qab no qhia txog tib lub hauv paus kev xeem thiab qhov sib txawv ntawm PERT II thiab Octal rwb thaiv tsev yeeb nkab.
| Scenario / Metric | PERT II | Octal rwb thaiv tsev yeeb nkab | Kev txhim kho |
|---|---|---|---|
| Qhov tob (m) | 2500 | 2500 | Tib lub hauv paus xeem |
| Hauv qab - qhov kub (degree) | 60 | 60 | Tib lub hauv paus xeem |
| Tus nqi ntws (m³ / h) | ≈ 30 | ≈ 30 | Tib lub hauv paus xeem |
| Rov qab - dej kub (degree) | 20 | 20 | Tib lub hauv paus xeem |
| Thermal conductivity [W / (m·K)] | 0.42 | < 0.02 | Tsawg tshav kub conductivity |
| Qhov hluav taws xob- dej kub (degree) | 26 | 33 | +7 degree |
| Tib - lub zog zoo (kW) | ≈ 210 | ≈ 453 | +243 kW / txog 116% |
4. Tsim kev pab cuam lub neej thiab kev xaiv ntev
Octal insulated tubing yog tsim nyob rau hauvRange 2 thiab Range 3 lengthsnrog rau kev tsim lub neej raws li ntev - lub sij hawm sib sib zog nqus - dej, chav dej - txhaj tshuaj lossis kev pabcuam hauv av. Lub tshuab nqus tsev ruaj khov, kev ua haujlwm rwb thaiv tsev thiab welds yog txhua yam tsim nyog los tiv thaiv ntau xyoo ntawm thermal cycling, yog li tus nqi koj pom hauv tus qauv tsim yog k- tus nqi koj tuaj yeem xav tau hauv thaj teb.
Cov ntaub ntawv, Qib thiab kev sib txuas
Octal insulated tubing yog tsim los ntawm API 5CT tubing qib paub:
- N80, L80-1, L80-1Cr, L80-3Cr, L80-9Cr
- Q125, S135 thiab lwm yam siab - qib zog rau HPHT qhov dej
- Standard kev twb kev txuas yogAPI BTC, thiab peb tseem tuaj yeem muab:
- gas- nruj kev sib txuas tshwj xeeb (xws li hlau- mus rau- hlau premium threads zoo ib yam hauv kev ua tau zoo rau siab -kawg roj- zoo tubing).
- integral thiab semi-flush xaiv rau clearance- cov ntaub ntawv tseem ceeb.
- txuam insulated pup pob qij txha, crossovers thiab accessories.
Qhov no txhais tau tias koj tau txais cov thermal zoo ntawmlub tshuab nqus tsev insulated tubing, tab sis koj cov neeg ua haujlwm rig tseem khiav nws nrog kev paub txog OCTG kev coj ua.
Cov neeg sawv cev sib txuas- cov ntaub ntawv qib tuaj yeem pab cov neeg yuav khoom tshuaj ntsuam cov khoom sib tw ua ntej RFQ qhov kawg. Hom rwb thaiv tsev- cov qauv yeeb nkab suav nrog:
· 140 × 100- 5-1/2" BTC, txuas OD txog1 54mm, unit hnyav txog31 kg/m, siv ntev txog1 429cm, sab nraud - yeeb nkab chav kawmN80 139.7 × 6, sab nraud - yeeb nkab siab zog txogNtau dua lossis sib npaug li 23 MPa, sab hauv -pipe classN80 108 × 4, sab hauv - yeeb nkab siab zog txog siab dua los yog sib npaug36 MPa ua, thermal conductivity ntawm 100℃lub luag haujlwmλ <0.02 W/(m·K)
· 189 × 62 - 3-1/2" NU, txuas OD txog108 hli, unit hnyav txog15.2 kg / m, siv ntev txog39ft ua,o cevN80 89 × 4,sab nraud - yeeb nkab siab zog txogNtau dua lossis sib npaug li 25.8 MPa, hauv lub cevJ55 70 × 4, puab - yeeb nkab siab zog txogNtau dua lossis sib npaug li 38 MPa, thermal conductivity ntawm 100℃lub luag haujlwmλ <0.02 W/(m·K)
· 1219 × 182- 8-5/8" SC, txuas OD txog2 33mm, unit hnyav txog65.7 kg / m, siv ntev txog70 ft,cev 20# 219 × 7, sab nraud - yeeb nkab siab zog txogNtau dua lossis sib npaug li 9 MPa, hauv lub cev20# 196 × 6, puab - yeeb nkab siab zog txogNtau dua lossis sib npaug li 13 MPa, thermal conductivity ntawm 100℃lub luag haujlwmλ <0.02 W/(m·K)
· 1114 × 81 - 4-1/2" BTC, txuas OD txog127 hli,unit hnyav txog22,6 kg / msiv ntev txog96ft ua,o cevN80 114 × 5,sab nraud - yeeb nkab siab zog txogNtau dua lossis sib npaug li 24.3 MPa, hauv lub cevN80 89 × 4, puab - yeeb nkab siab zog txogNtau dua lossis sib npaug li 43 MPa, thermal conductivity ntawm 100℃lub luag haujlwmλ <0.02 W/(m·K)
Cov ntsiab lus no tseem ceeb vim tias insulated -pipe kev yuav khoom tsis tshua muaj kev txiav txim siab los ntawm kev ua haujlwm thermal ib leeg. Kev sib txuas hom thiab kev sib txuas OD cuam tshuam rau kev khiav haujlwm, kev sib raug zoo nrog cov qauv zoo uas twb muaj lawm thiab kev ua haujlwm ntawm thaj chaw teeb tsa. Ntxiv cov qauv no- theem cov ntsiab lus rau nplooj ntawv ua rau kev sib tham muaj txiaj ntsig zoo rau kev tshuaj xyuas engineering thiab kev yuav khoom sib piv.
Manufacturing & Quality Assurance
Peb cov txheej txheem insulated tubing raug tsim los ntawm kev ntseeg siab ntawm lub tshuab nqus tsev vacuum nrog rau kev ua haujlwm zoo:
- Seamless yeeb nkab kev npaj- cov raj sab nraud thiab sab hauv yog tsim los ntawm kub- dov seamless yeeb nkab, txiav kom ntev, cua sov- kho thiab 100% NDT- kuaj xyuas. Cov npoo raug tua -blasted kom ntseeg tau tias muaj kev sib raug zoo thiab kev huv.
- Rwb thaiv tsev sib dhos- cov yeeb nkab sab hauv yog qhwv los yog ntim nrog perlite / iav ntaub plaub, cov ntawv ci thiab cov khoom siv raws li cov qib thermal xaiv, ces muab tso rau hauv cov yeeb nkab sab nraud.
- Ua ntej - ncab thiab vuam- tswj tau ua ntej-stretch yog siv rau lub raj sab hauv, tom qab ntawd ob qhov kawg yog welded los kaw lub annulus thaum tswj kev sib tw.
- Vacuum processing- lub annulus raug tshem tawm mus rau lub nqus tsev vacuum; getters yog qhib kom muaj lub siab tsis tshua muaj zog tshaj lub neej ntawm txoj hlua.
- Kev ntsuam xyuas kev sib tsoo thiab lub tshuab nqus tsev- welds thiab lub tshuab nqus tsev chaw nres nkoj raug kuaj (NDT thiab cov kev xeem xau) kom paub meej tias qhov nruj nruj.
- Kev ntsuas thermal conductivity- cov qauv sib koom ua ke los ntawm txhua pawg ua tiav λ kev kuaj xyuas cov qib rwb thaiv tsev.
- Xov thiab xov- kev sib txuas yog machined, gauged rau API 5B los yog premium drawings, threads yog phosphated thiab tiv thaiv, thiab cov pob qij txha raug cim thiab ntim rau thauj.
8.Txoj saw ua tiav ntawm kev xeem- mechanical, NDT, nqus, thermal thiab xov tshuaj xyuas - yog khi rauxov tooj cua sov thiab tus lej sib koom, thiab tau sau tseg hauv EN 10204 3.1 / 3.2 pob khoom rau kev pom zoo qhov project.
Txoj kev tsim khoom tuaj yeem piav qhia meej ntxiv raws li cov yeeb nkab- qhov kawg kev npaj thiab kev ntxhov siab, kev kho cua sov, kev tshuaj xyuas, ruaj-ntev txiav thiab sab hauv / sab nrauv tu; qhwv ntawm aluminium ntawv ci thiab cov ntaub ntawv rwb thaiv tsev; kev sib dhos ntawm cov raj sab nraud thiab sab hauv; ua ntej- ncab thiab vuam; Lub tshuab nqus tsev rho tawm nrog kev kuaj xyuas thiab X-ray tshuaj xyuas; annulus-nqus stabilization; thermal -kev ntsuas kev ntsuas; thiab cov haujlwm kawg xws li threading, hydrotest thiab export packing. Cov txheej txheem ntxiv no yog tsim nyog ntxiv vim tias nws muab cov neeg yuav khoom kom pom tseeb txoj hauv kev los ntawm cov raj raw mus rau qhov ua tiav insulated sib koom ua ke.
Los ntawm kev muag khoom muag, qhov teeb meem kev lag luam tsis yog tsuas yog seb cov khoom pib poob qis, tab sis txawm tias lub annulus tseem kaw, seb qhov chaw weld nyob ruaj khov tom qab thermal cycling thiab seb cov pob qij txha tiav tuaj yeem tso tawm nrog cov ntaub ntawv rov ua dua thiab tshawb xyuas cov ntaub ntawv. Qhov no yog vim li cas QA ntu yuav tsum nyob twj ywm rau qhov ntsuas cua sov, lub tshuab nqus tsev, NDT, kev tshuaj xyuas kev sib txuas thiab cov ntaub ntawv ua ke es tsis yog kho lawv raws li kev thov cais.
Yuav ua li cas peb cov khoom txawv ntawm lwm yam "Insulated Tubing" Koj tuaj yeem pom hauv online
Muaj ntau qhov kev tshawb nrhiav rauinsulated tubingtiag tiag xa mus rau cov khoom nto xws lipre insulated PEX tubingrau koog tsev kawm ntawv - cua sov loops,pre insulated tooj liab tubingrau HVAC,insulated tshav kub shrink tubingrau hluav taws xob cables, lossis cov khoom lag luam zoo lidekron insulated tubingsiv nyob rau hauv industrial instrumentation. Cov khoom no muaj txiaj ntsig zoo hauv lawv cov teb, tab sis lawv yogtsis tsim los rau nqes - qhov 350-400℃kev pab cuam, siab vau loads lossis API 5CT yuav tsum.
Octal muab cov khoom sib txawv:steel nqus tsev insulated tubing rau roj, roj thiab geothermal qhov dej. Peb cov khoom:
- siv API 5CT- qib steel raj es tsis yog yas lossis tooj liab.
- yog engineered nqa chav thiab ua kua nyob rau hauv siab siab ntawm qhov tob.
- integrates nrog OCTG casing strings, wellhead equipment and down-tool tools.
- thiab dhau los ntawm tib theem ntawm OCTG kuaj raws li cov tubing ntau lawm, nyob rau sab saum toj ntawm lub tshuab nqus tsev thiab ntsuas cua sov.
Yog li yog tias koj qhov project xav taupre insulated PEX tubinglos yogpre insulated tooj liab tubingrau cov kab saum npoo, cov no yog cov khoom sib cais; Thaum koj xav tau insulated steel tubing uas tuaj yeem muaj sia nyob hauv qhov dej nws tus kheej,Octal nqus tsev insulated tubingyog qhov kev daws teeb meem tsim nyog.
Octal muab cov khoom sib txawv: steel nqus tsev vacuum insulated tubing thiab rwb thaiv tsev yeeb nkab rau roj, roj, dej kub thiab kub- dej qhov dej. Cov khoom tsim los ntawm cov tubular steel es tsis yog yas lossis tooj liab, yog tsim los nqa chav lossis dej kub hauv qhov chaw zoo, koom ua ke nrog OCTG cov hlua thiab cov khoom siv downhole, thiab mus los ntawm kev siv tshuab, thermal, nqus tsev vacuum thiab kev sib txuas - ntsig txog kev tswj xyuas zoo.
Ib qho kev sib txawv ntxiv yog tias tsev neeg cov khoom no yuav tsum tsis txhob nkag siab tsuas yog ua chav dej - txhaj tshuaj rau cov roj qhov dej. Nws kuj suav nrog kev rwb thaiv tsev - cov kav dej rau cov cua kub hauv av, lub zog hluav taws xob hauv ntiaj teb thiab kub - lub caij nplooj ntoos hlav qhov dej, qhov twg tus nqi ntsuas los ntawm qhov hluav taws xob ntau dua, kev txuag hluav taws xob zoo dua thiab muaj zog dua ib zaug - cua sov- extraction efficiency.
FAQ
FAQ 1 - Thaum twg kuv yuav tsum siv cov tubing insulated es tsis txhob siv tubing?
FAQ 2 - Qhov ntau thiab tsawg thiab qib twg muaj rau cov tubing insulated?
FAQ 3 – Qhov kub thiab txias npaum li cas thiab k-cov nqi muaj peev xwm Octal insulated tubing kov?
Cov ntawv pov thawj
CE Daim Ntawv Pov Thawj
ISO 9001 Daim ntawv pov thawj
API Q1 Daim Ntawv Pov Thawj
ABS Certificate
AP-5L Certificate
API-5CT Certificate
Hom kev pabcuam:chav txhaj tshuaj (CSS / SAGD), hnyav- roj ntau lawm, sib sib zog nqus- dej, hauv qab dej kub, qhov dej permafrost
Qauv:concentric ob -phab ntsa seamless steel yeeb nkab, evacuated annulus nrog multilayer rwb thaiv tsev
Qhov ntau thiab tsawg (sab nraud × sab hauv):
73 × 40 hli (2-7 / 8 "× 1.9")
89 × 50 hli (3-1/2 "× 2-3/8")
114 × 76 hli (4-1/2 "× 3-1/2")
140 × 101 hli (5-1/2 "× 4-1/2")
178 × 124 hli (7" × 5-1/2")
Ntev:Range 2 (R2) thiab Range 3 (R3), insulated pup joints muaj
Cov qib steel:N80, L80-1 / 1Cr / 3Cr / 9Cr, Q125, S135 thiab lwm qib API 5CT
Kev sib txuas:API BTC raws li tus qauv, xaiv tau roj- nruj kev sib txuas
Thermal qib (k-tus nqi):ntau theem rwb thaiv tsev, k nqes mus rau approx . 0.002–0.006 W/(m· degree) nyob ntawm qib
Max. Kev khiav hauj lwm kub:txog li 400℃(daim ntawv thov-nyob ntawm)
Cim npe nrov: Nqus tsev vacuum Insulated Tubing, Tuam Tshoj Nqus Nqus Insulated Tubing manufacturers, lwm tus neeg, Hoobkas
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