OEM / ODM Hoobkas Tuam Tshoj API 5CT Steel Qib J55, K55, N80 Seamless Steel Casing Pipe
Txheej txheem cej luam
Peb xav tias cov neeg siv khoom xav li cas, qhov nrawm nrawm los ua los ntawm kev txaus siab ntawm tus neeg siv khoom txoj haujlwm ntawm txoj kev xav, tso cai rau kom muaj txiaj ntsig zoo dua, txo cov nqi ua haujlwm, cov nqi ntau npaum li qhov tsim nyog, yeej cov neeg yuav khoom tshiab thiab cov khoom qub qub rau kev txhawb nqa thiab kev lees paub rau API 5CT Seamless Steel Casing Pipe, Peb yuav txhawb nqa tib neeg los ntawm kev sib txuas lus thiab mloog, Ua piv txwv rau lwm tus thiab kawm los ntawm kev paub dhau los. Raws li lub Hoobkas muaj kev paub dhau los peb kuj lees txais kev txiav txim siab thiab ua kom zoo ib yam li koj daim duab lossis cov qauv kev qhia tshwj xeeb thiab cov neeg siv khoom tsim khoom. Lub hom phiaj tseem ceeb ntawm lub tuam txhab yog ua lub cim xeeb txaus siab rau txhua tus neeg siv khoom, thiab tsim kom muaj kev sib raug zoo ntawm kev lag luam ntev-yeej. Yog xav paub ntxiv, nco ntsoov tiv tauj peb. Thiab Nws yog peb qhov zoo siab heev yog tias koj nyiam tuaj ntsib tus kheej hauv peb lub hoobkas.
Petroleum casing pipes yog cov kav hlau uas siv los txhawb cov phab ntsa ntawm cov roj thiab cov qhov dej hauv qhov dej kom ntseeg tau tias kev ua haujlwm zoo ntawm tag nrho cov roj zoo tom qab drilling thiab ua tiav. Txhua lub qhov dej siv ob peb txheej ntawm casing raws li qhov sib txawv drilling qhov tob thiab geological tej yam kev mob. Cement yog siv los cement lub casing tom qab lub casing down. Nws txawv ntawm cov tubing thiab laum yeeb nkab thiab tsis tuaj yeem rov qab siv dua. Nws yog ib qho khoom siv ib zaug. Yog li, casing noj nyiaj ntau dua 70% ntawm tag nrho cov kav dej zoo.
Petroleum casing yog cov yeeb nkab steel siv los txhawb cov phab ntsa ntawm cov roj thiab cov roj qhov dej kom ntseeg tau tias kev ua haujlwm zoo ntawm tag nrho cov roj zoo tom qab cov txheej txheem drilling thiab ua tiav. Txhua lub qhov dej siv ob peb txheej ntawm casing raws li qhov sib txawv drilling qhov tob thiab geological tej yam kev mob. Cement yog siv los cement lub qhov dej tom qab casing down. Nws txawv ntawm tubing thiab laum yeeb nkab thiab tsis tuaj yeem rov qab siv dua. Tubing yog ib qho khoom siv pov tseg. Tubing muaj qhov zoo li casing thiab downhole casing.
Raws li lub hom phiaj ntawm cementing thiab kev ua haujlwm ntawm lub casing, cov casings khiav hauv lub qhov dej tuaj yeem muab faib ua cov casings saum npoo, cov casings technical thiab cov roj casings.
(1) Nto casing: Nws yog cov txheej txheem sab nrauv hauv cov txheej txheem roj thiab cov roj zoo. Tom qab drilling lub qhov, laum mus rau hauv lub bedrock hauv qab ntawm cov av txheej, los yog xyaum mus rau ib tug tej yam tob, thiab khiav lub nto casing.
Cov dej num ntawm lub qhov rooj saum npoo yog raws li hauv qab no: ① cais cov dej ntws sab saud thiab tiv thaiv cov dej saum npoo av thiab cov dej hauv av los ntawm kev nkag mus rau hauv qhov dej; ② Tiv thaiv lub taub hau thiab ntxiv dag zog rau phab ntsa ntawm lub qhov dej ntawm cov av txheej; Lub tshuab hluav taws xob tiv thaiv tau teeb tsa rau ntawm lub qhov rooj kom tiv thaiv kev tawg. Qhov sib txawv nruab nrab ntawm lub qhov dej thiab cov phab ntsa zoo yuav tsum tau muab khi nrog cov cement, uas yog, thaum cementing lub qhov dej, cov cement slurry yuav tsum tau rov qab mus rau lub qhov dej kom cais qhov tsim thiab tiv thaiv phab ntsa zoo.
Qhov tob ntawm qhov saum npoo casing yog tsawg kawg yog 100 meters.
(2) Technical casing: tseem hu ua intermediate casing. Nws yog ib lub casing nrog ib los yog ob txheej nyob rau hauv nruab nrab ntawm lub casing program npog. Qhov tob ntawm lub qhov dej yog qhov loj, thiab nws tuaj yeem cais cov stratum thiab tiv thaiv lub qhov dej kom yooj yim tawg, yooj yim to, siab siab, thiab ntsev-cov kabmob tsim nyob rau hauv nruab nrab ntawm lub qhov dej.
Khiav cov txheej txheem casing tuaj yeem ua kom cov drilling du ntawm lub qhov dej hauv qab; nws tseem tuaj yeem ua kom muaj kev nyab xeeb ntawm kev drilling rau hauv cov roj thiab roj reservoir; cov txheej txheem casing yog nruab nrog lub taub hau casing thiab plaub-txoj kev blowout tiv thaiv kom tsis txhob blowouts.
Qhov nruab nrab casing yog khiav hauv vim yog kev xav tau ntawm drilling, yog li nws tseem hu ua technical casing. Qhov siab ntawm cov cement ntsaws nruab nrab ntawm cov txheej txheem txheej txheem thiab cov phab ntsa zoo yuav tsum yog tsawg kawg 200 meters saum toj ntawm cov stratum cais.
(3) Roj txheej casing: tseem hu ua ntau lawm casing. Nws yog txheej txheej kawg ntawm lub casing nyob rau hauv qhov kev pab cuam casing ntawm ib tug roj thiab roj qhov dej, khiav los ntawm lub qhov dej mus rau hauv qab cov roj thiab roj txheej uas nws kis tau los ntawm. Qhov tob ntawm lub casing nyob rau hauv cov roj txheej yog lub hauv paus qhov tob ntawm qhov drilling.
Lub luag haujlwm ntawm cov roj txheej casing yog cov roj thiab cov roj nkag mus rau hauv av, cais cov roj thiab roj los ntawm txhua qhov tsim, thiab xyuas kom meej tias cov roj thiab roj siab tsis xau. Tom qab cov roj thiab roj qhov dej raug xa mus rau kev tsim khoom, qhov zoo ntawm cov roj txheej casing yuav tsum tau lav kom tswj tau qee lub sijhawm ntawm kev tsim khoom.
Ntawm ib sab, cov cementing zoo ntawm cov roj txheej casing muaj feem xyuam rau kev tshawb nrhiav qhov dej thiab yog tus yuam sij rau kev sim roj thiab roj; ntawm qhov tod tes, nws muaj feem cuam tshuam rau kev ua lub qhov dej ntau lawm, uas cuam tshuam ncaj qha rau lub neej ntawm qhov dej. Cov cement plugging qhov siab ntawm qhov sib txawv ntawm cov roj txheej casing thiab cov phab ntsa zoo yog tsawg kawg yog 500 meters saum toj no cov roj thiab roj txheej, los yog mus txog rau 200 meters nyob rau hauv lub Upper txheej ntawm casing. . Yog li, casing noj nyiaj ntau dua 70% ntawm tag nrho cov kav dej zoo.
Roj casing yog lub neej txoj sia los tswj kev ua haujlwm ntawm cov roj qhov dej. Vim muaj qhov sib txawv geological tej yam kev mob, lub downhole kev nyuaj siab lub xeev yog nyuaj, thiab kev sib xyaw ua ke ntawm tensile, compressive, dabtsi yog khoov thiab torsion stresses ntawm lub yeeb nkab lub cev, uas tso rau pem hauv ntej ntau dua yuav tsum tau rau qhov zoo ntawm lub casing nws tus kheej. Thaum lub casing nws tus kheej puas yog vim li cas, tag nrho lub qhov dej yuav raug txo los yog txawm muab pov tseg.
Raws li lub zog ntawm cov hlau nws tus kheej, lub casing tuaj yeem muab faib ua cov qib steel sib txawv, xws li J55, K55, N80, L80, C90, T95, P110, Q125, V150, thiab lwm yam. Qhov sib txawv zoo thiab qhov tob muaj cov qib steel sib txawv. Nyob rau hauv ib puag ncig corrosive, lub casing nws tus kheej kuj yuav tsum muaj corrosion kuj. Nyob rau hauv cov chaw uas nyuaj geological tej yam kev mob, lub casing kuj yuav tsum tau muaj anti-collapse kev ua tau zoo.
Ua daim ntawv ntawm casing kawg: luv round xov, ntev round xov, ib nrab trapezoid xov, tshwj xeeb buckle, thiab lwm yam. Siv nyob rau hauv cov roj zoo drilling, nws yog tsuas yog siv los txhawb lub qhov dej phab ntsa thaum lub sij hawm drilling txheej txheem thiab tom qab ua tiav, los xyuas kom meej qhov kev kawm. ntawm cov txheej txheem drilling thiab kev ua haujlwm zoo ntawm tag nrho cov roj zoo tom qab ua tiav.
Nws yuav tsum tau muab sau tseg tias ntawm cov feem ntau siv xov hom ntawm API, cov huab cua nruj ntawm lub round xov casing yog tsawg, thiab lub zog ntawm threaded kev twb kev txuas ib feem tsuas yog 60% ~ 80% ntawm cov yeeb nkab lub cev; Ib feem ntawm cov xov trapezoidal txawm hais tias tus kev twb kev txuas lub zog yog siab dua, tab sis lub sealing tsis zoo tagnrho.Yog li ntawd, nrog rau kev hloov ntawm oilfield exploitation ib puag ncig thiab qhov yuav tsum nruj zuj zus rau casing thiab kev twb kev txuas lub zog thiab sealing, daim ntawv thov feem ntawm tshwj xeeb buckle nrog siab zog kuj nce.
Daim ntawv thov
Cov yeeb nkab hauv Api5ct feem ntau yog siv rau kev drilling cov roj thiab roj qhov dej thiab kev thauj mus los ntawm cov roj thiab roj. Roj casing yog tsuas yog siv los txhawb lub borehole phab ntsa thaum lub sij hawm thiab tom qab ua tiav ntawm lub qhov dej los xyuas kom meej lub cev ua hauj lwm ntawm lub qhov dej thiab ua tiav ntawm lub qhov dej.
Qib tseem ceeb
Qib: J55, K55, N80, L80, P110, thiab lwm yam
Chemical Component
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Mechanical Property
| Qib | Hom | Tag nrho Elongation Hauv qab Load | Yield zog | Tensile zog | Hardnessib a,c | Specified Phab ntsa Thickness | Tso cai Hardness Variationb | ||
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| min | max |
| HRC | HBW | mm | HRC |
| H40 | — | 0.5 | 276 | 552 ib | 414 ib | — | — | — | — |
| J55 | — | 0.5 | 379 ib | 552 ib | 517 ib | — | — | — | — |
| k55 ua | — | 0.5 | 379 ib | 552 ib | 655 | — | — | — | — |
| N80 | 1 | 0.5 | 552 ib | 758 ib | 689 ib | — | — | — | — |
| N80 | Q | 0.5 | 552 ib | 758 ib | 689 ib | — | — | — | — |
| R95 | — | 0.5 | 655 | 758 ib | 724 ib | — | — | — | — |
| l80 ua | 1 | 0.5 | 552 ib | 655 | 655 | 23.0 Nws | 241.0 Nws | — | — |
| l80 ua | 9 cr ua | 0.5 | 552 ib | 655 | 655 | 23.0 Nws | 241.0 Nws | — | — |
| l80 ua | l3cr ib | 0.5 | 552 ib | 655 | 655 | 23.0 Nws | 241.0 Nws | — | — |
| C90 | 1 | 0.5 | 621 ib | 724 ib | 689 ib | 25.4 ib | 255.0 Nws | ≤ 12.70 | 3.0 |
| 12.71 – 19.04 dr hab | 4.0 | ||||||||
| 19.05 – 25.39 dr hab | 5.0 | ||||||||
| ≥ 25.4 | 6.0 | ||||||||
| T95 | 1 | 0.5 | 655 | 758 ib | 724 ib | 25.4 ib | 255 | ≤ 12.70 | 3.0 |
| 12.71 – 19.04 dr hab | 4.0 | ||||||||
| 19.05 – 25.39 dr hab | 5.0 | ||||||||
| ≥ 25.4 | 6.0 | ||||||||
| C110 | — | 0.7 ua | 758 ib | 828 ib | 793 ib | 30.0 Nws | 286.0 Nws | ≤ 12.70 | 3.0 |
| 12.71 – 19.04 dr hab | 4.0 | ||||||||
| 19.05 – 25.39 dr hab | 5.0 | ||||||||
| ≥ 25.4 | 6.0 | ||||||||
| P110 | — | 0.6 | 758 ib | 965 ib | 862 ib | — | — | — | — |
| q125 ua | 1 | 0.65 ib | 862 ib | 1034 ib | 931 ib | b | — | ≤ 12.70 | 3.0 |
| 12.71 – 19.04 dr hab | 4.0 | ||||||||
| 19.05 Nws | 5.0 | ||||||||
| aNyob rau hauv cov ntaub ntawv ntawm kev tsis sib haum xeeb, lub chaw kuaj Rockwell C hardness test yuav tsum tau siv raws li tus referee txoj kev. | |||||||||
| bTsis muaj kev txwv hardness tau teev tseg, tab sis qhov kev hloov pauv siab tshaj plaws yog txwv raws li kev tswj hwm kev tsim khoom raws li 7.8 thiab 7.9. | |||||||||
| cRau kev xeem dhau-phab ntsa hardness ntawm Qib L80 (txhua hom), C90, T95 thiab C110, qhov yuav tsum tau teev nyob rau hauv HRC nplai yog rau qhov siab tshaj plaws hardness tooj. | |||||||||
Kev Xeem Xeem
Ntxiv nrog rau kev ua kom muaj cov tshuaj lom neeg muaj pes tsawg leeg thiab cov khoom siv kho tshuab, kev sim hydrostatic tau ua ib qho los ntawm ib qho, thiab kev sim flaring thiab flattening yog ua. . Tsis tas li ntawd, muaj qee qhov yuav tsum tau ua rau microstructure, grain loj, thiab decarburization txheej ntawm cov yeeb nkab steel tiav.
Tensile Test:
1. Rau cov khoom siv hlau ntawm cov khoom, cov chaw tsim khoom yuav tsum ua qhov ntsuas tensile. Rau cov elecrtrice welded yeeb nkab, depondeds ntawm cov chaw tsim tshuaj paus xaiv, tensile xeem yuav ua tau rau ntawm steel phaj uas siv los ua yeeb nkab los yog perfomred rau steel yeeb nkab ncaj qha. Ib qho kev sim ua ntawm cov khoom siv kuj tuaj yeem siv los ua cov khoom kuaj.
2. Cov raj kuaj yuav tsum raug xaiv xaiv. Thaum xav tau ntau qhov kev sim, cov qauv ntsuas yuav tsum xyuas kom meej tias cov qauv coj tuaj yeem sawv cev rau qhov pib thiab qhov kawg ntawm lub voj voog kho cua sov (yog tias tsim nyog) thiab ob qhov kawg ntawm lub raj. Thaum xav tau ntau yam kev ntsuam xyuas, tus qauv yuav tsum raug coj los ntawm cov raj sib txawv tshwj tsis yog tias cov qauv tuab tuab tuaj yeem raug coj los ntawm ob qho kawg ntawm lub raj.
3. Cov qauv seamless yeeb nkab tuaj yeem coj los ntawm txhua txoj haujlwm ntawm qhov ncig ntawm cov yeeb nkab; cov qauv welded yeeb nkab yuav tsum tau muab coj los ntawm li 90 ° mus rau lub vuam seam, los yog ntawm qhov kev xaiv ntawm cov chaw tsim khoom. Cov qauv raug coj los ntawm kwv yees li ib feem peb ntawm lub strip dav.
4. Tsis muaj teeb meem ua ntej thiab tom qab kev sim, yog tias cov qauv npaj tau pom tias muaj qhov tsis zoo lossis tsis muaj cov ntaub ntawv tsis cuam tshuam rau lub hom phiaj ntawm kev sim, cov qauv yuav raug muab pov tseg thiab hloov nrog lwm cov qauv ua los ntawm tib lub raj.
5. Yog tias qhov kev ntsuas tensile uas sawv cev rau ib pawg ntawm cov khoom tsis ua raws li qhov yuav tsum tau ua, cov chaw tsim khoom tuaj yeem siv lwm 3 lub raj los ntawm tib lub batch ntawm cov raj rau kev tshuaj xyuas dua.
Yog tias tag nrho cov kev kuaj xyuas ntawm cov qauv ua tau raws li qhov yuav tsum tau ua, cov batch ntawm cov raj tsim nyog tshwj tsis yog cov raj tsis tsim nyog uas yog thawj zaug kuaj.
Yog tias ntau tshaj ib tus qauv yog thawj zaug kuaj lossis ib lossis ntau qhov qauv rau kev kuaj xyuas tsis tau raws li qhov yuav tsum tau ua, cov chaw tsim khoom tuaj yeem kuaj xyuas cov hlab ntsha ntawm ib qho los ntawm ib qho.
Cov khoom tsis lees txais cov khoom tuaj yeem rov ua dua thiab rov ua dua tshiab raws li cov khoom tshiab.
Flattening Test:
1. Cov qauv kuaj yuav tsum yog lub nplhaib kuaj lossis qhov kawg txiav tsis pub tsawg dua 63.5mm (2-1 / 2in).
2. Cov qauv yuav raug txiav ua ntej kev kho cua sov, tab sis raug rau kev kho cua sov tib yam li cov yeeb nkab sawv cev. Yog tias siv batch xeem, ntsuas yuav tsum tau coj los txheeb xyuas qhov kev sib raug zoo ntawm cov qauv thiab cov qauv coj mus kuaj. Txhua qhov cub hauv txhua pawg yuav tsum tau crushed.
3. Cov qauv yuav tsum flattened ntawm ob daim hlau sib txuas. Nyob rau hauv txhua txheej ntawm flattening test specimens, ib tug weld yog flattened ntawm 90 ° thiab lwm yam flattened ntawm 0 °. Cov qauv yuav tsum flattened kom txog thaum lub raj phab ntsa nyob rau hauv kev sib cuag. Ua ntej qhov kev ncua deb ntawm cov paib sib npaug yog tsawg dua li tus nqi teev, tsis muaj cov kab nrib pleb lossis tawg yuav tsum tshwm sim hauv ib feem ntawm cov qauv. Thaum lub sij hawm tag nrho cov txheej txheem flattening, yuav tsum tsis muaj cov qauv tsis zoo, welds tsis fused, delamination, hlau overburning, los yog hlau extrusion.
4. Tsis muaj teeb meem ua ntej thiab tom qab kev sim, yog tias cov qauv npaj tau pom tias muaj qhov tsis zoo lossis tsis muaj cov ntaub ntawv tsis cuam tshuam rau lub hom phiaj ntawm kev sim, cov qauv yuav raug muab pov tseg thiab hloov nrog lwm cov qauv ua los ntawm tib lub raj.
5. Yog tias ib qho qauv uas sawv cev rau lub raj tsis tau raws li qhov yuav tsum tau ua, cov chaw tsim khoom tuaj yeem nqa cov qauv los ntawm tib qhov kawg ntawm lub raj rau kev kuaj ntxiv kom txog rau thaum cov kev xav tau. Txawm li cas los xij, qhov ntev ntawm cov yeeb nkab tiav tom qab kuaj yuav tsum tsis pub tsawg dua 80% ntawm qhov ntev ntawm qhov qub. Yog tias ib qho qauv ntawm ib lub raj uas sawv cev rau ib pawg ntawm cov khoom tsis tau raws li qhov yuav tsum tau ua, cov chaw tsim khoom tuaj yeem nqa ob lub raj ntxiv los ntawm cov khoom batch thiab txiav cov qauv rau kev kuaj rov qab. Yog tias cov txiaj ntsig ntawm cov kev ntsuas rov qab no tag nrho ua tau raws li qhov yuav tsum tau ua, cov batch ntawm cov raj tsim nyog tshwj tsis yog lub raj tau xaiv los ua tus qauv. Yog tias ib qho ntawm cov qauv rov kuaj dua tsis ua raws li qhov yuav tsum tau ua, cov chaw tsim khoom tuaj yeem coj cov raj seem ntawm cov batch ib los ntawm ib qho. Ntawm qhov kev xaiv ntawm cov chaw tsim khoom, txhua pawg ntawm cov raj tuaj yeem rov kho dua thiab rov ua dua tshiab raws li cov kab tshiab.
Impact Test:
1. Rau cov raj, yuav tsum muab cov qauv coj los ntawm txhua qhov ntau (tshwj tsis yog cov txheej txheem sau tseg tau pom tias ua tau raws li kev cai tswj hwm). Yog tias qhov kev txiav txim raug kho ntawm A10 (SR16), qhov kev sim yuav tsum tau ua.
2. Rau casing, 3 steel kav yuav tsum tau muab los ntawm txhua batch rau kev sim. Cov raj yuav tsum raug xaiv los ntawm kev xaiv, thiab cov qauv qauv yuav tsum xyuas kom meej tias cov qauv muab tuaj yeem sawv cev rau qhov pib thiab xaus ntawm lub voj voog kho cua sov thiab sab pem hauv ntej thiab sab nraub qaum ntawm lub tes tsho thaum kho cua sov.
3. Charpy V-notch impact test
4. Tsis muaj teeb meem ua ntej thiab tom qab kev sim, yog tias cov qauv npaj tau pom tias muaj qhov tsis zoo lossis tsis muaj cov ntaub ntawv tsis cuam tshuam rau lub hom phiaj ntawm kev sim, cov qauv yuav raug muab pov tseg thiab hloov nrog lwm cov qauv ua los ntawm tib lub raj. Cov qauv yuav tsum tsis txhob raug txiav txim siab tsuas yog vim lawv tsis ua raws li qhov tsawg kawg nkaus absorbed zog.
5. Yog tias qhov tshwm sim ntawm ntau tshaj ib tus qauv qis dua qhov tsawg kawg nkaus absorbed zog yuav tsum tau, los yog qhov tshwm sim ntawm ib tug qauv yog tsawg tshaj li 2/3 ntawm qhov tsawg kawg nkaus absorbed zog yuav tsum tau, peb yuav tsum tau coj mus kuaj ntxiv los ntawm tib daim thiab rov kuaj dua. Lub zog cuam tshuam ntawm txhua tus qauv rov kuaj dua yuav tsum ntau dua lossis sib npaug raws li qhov xav tau tsawg kawg nkaus absorbed zog.
6. Yog tias cov txiaj ntsig ntawm qee qhov kev sim ua tsis tau raws li qhov yuav tsum tau ua thiab cov xwm txheej rau qhov kev sim tshiab tsis tau ntsib, ces peb cov qauv ntxiv raug coj los ntawm txhua qhov ntawm peb daim ntawm batch. Yog tias tag nrho cov xwm txheej ntxiv ua tau raws li qhov yuav tsum tau ua, batch tsim nyog tshwj tsis yog qhov ua tsis tau tiav thaum xub thawj. Yog tias ntau tshaj ib qho kev tshuaj ntsuam xyuas ntxiv tsis ua raws li qhov yuav tsum tau ua, cov chaw tsim khoom tuaj yeem xaiv los tshuaj xyuas cov khoom seem ntawm cov batch ib los ntawm ib qho, lossis rov ua kom lub batch rov qab thiab tshuaj xyuas hauv ib pawg tshiab.
7. Yog tias ntau tshaj ib qho ntawm peb yam khoom tsim nyog yuav tsum tau ua pov thawj batch ntawm kev tsim nyog raug tsis lees paub, kev tshuaj xyuas rov qab tsis raug tso cai los ua pov thawj cov batch ntawm cov raj tsim nyog. Cov chaw tsim khoom tuaj yeem xaiv los tshuaj xyuas cov khoom seem hauv ib thooj, lossis rov ua kom sov lub batch thiab tshuaj xyuas hauv ib pawg tshiab.
Hydrostatic Test:
1. Txhua lub yeeb nkab yuav tsum raug kuaj xyuas hydrostatic siab ntawm tag nrho cov yeeb nkab tom qab thickening (yog tias tsim nyog) thiab kev kho cua sov zaum kawg (yog tias tsim nyog), thiab yuav tsum ncav cuag qhov ntsuas hydrostatic siab yam tsis muaj to. Qhov kev sim siab tuav lub sij hawm tau ua tsawg dua 5s. Rau cov kav dej welded, cov welds ntawm cov kav dej yuav tsum tau kuaj xyuas kom muaj cov dej xau hauv kev sim siab. Tshwj tsis yog tias tag nrho cov yeeb nkab kuaj tau ua tiav yam tsawg kawg nkaus ua ntej ntawm lub siab xav tau rau qhov kawg ntawm cov yeeb nkab kawg, cov xov ua haujlwm yuav tsum ua qhov kev sim hydrostatic (los yog npaj qhov kev sim no) ntawm tag nrho cov yeeb nkab.
2. Cov kav dej yuav tsum tau kho cua sov yuav tsum raug kuaj hydrostatic tom qab kev kho cua sov kawg. Kev ntsuas siab ntawm tag nrho cov kav dej nrog threaded kawg yuav tsum yog tsawg kawg yog qhov kev sim siab ntawm threads thiab couplings.
3 .Tom qab ua tiav rau qhov loj ntawm cov yeeb nkab tiav tiav thiab cov khoom siv hluav taws xob luv luv, kev sim hydrostatic yuav tsum tau ua tom qab lub tiaj tiaj lossis cov xov.
Ua siab ntev
Sab nraud txoj kab uas hla:
| Ntau yam | Tolerane |
| 4-1/2 | ± 0.79 hli (± 0.031in) |
| ≥4-1/2 | 1% OD ~ - 0.5% OD |
Rau thickened sib koom ua ke tubing nrog ib tug me me tshaj los yog sib npaug zos rau 5-1 / 2, cov nram qab no tolerances siv rau lub sab nraud txoj kab uas hla ntawm cov yeeb nkab lub cev nyob rau hauv ib tug deb ntawm kwv yees li 127 hli (5.0in) ib sab ntawm lub thickened ib feem; Cov kev tolerances hauv qab no siv rau sab nraud txoj kab uas hla ntawm lub raj nyob rau hauv qhov kev ncua deb ntawm kwv yees li sib npaug ntawm txoj kab uas hla ntawm lub raj tam sim ntawd nyob ib sab mus rau qhov tuab tuab.
| Ntau yam | Ua siab ntev |
| ≤3-1/2 | 2.38mm ~ 0.79mm (+ 3/32in ~ -1/32in) |
| ＞ 3-1/2 ~ 5 | 2.78mm ~ -0.75% OD (+7/64in ~ -0.75% OD) |
| ＞5 ~ ≤8 5/8 | +3.18mm ~ -0.75% OD (+1/8in ~ -0.75% OD) |
| 8 5/8 | +3.97mm ~ -0.75% OD (+5/32in ~ -0.75% OD) |
Rau sab nraud thickened tubing nrog ib tug loj ntawm 2-3 / 8 thiab loj, cov nram qab no tolerances siv rau lub sab nraud txoj kab uas hla ntawm cov yeeb nkab yog thickened thiab cov thickness maj mam hloov los ntawm qhov kawg ntawm cov yeeb nkab.
| Rang | Ua siab ntev |
| ≥2-3/8 ~ ≤3-1/2 | 2.38mm ~ 0.79mm (+ 3/32in ~ -1/32in) |
| ＞ 3-1/2 ~ ≤ 4 | 2.78mm ~ -0.79mm (+ 7/64 nyob rau hauv ~ 1/32in) |
| ＞ 4 | 2.78mm ~ -0.75% OD (+7/64in ~ -0.75% OD) |
Phab ntsa Thickness:
Qhov tshwj xeeb phab ntsa thickness kam rau ua ntawm cov yeeb nkab yog -12.5%
Qhov hnyav:
Cov lus hauv qab no yog tus qauv hnyav uas yuav tsum tau ua. Thaum qhov tshwj xeeb phab ntsa thickness yog siab tshaj los yog sib npaug rau 90% ntawm cov phab ntsa thickness, lub sab sauv txwv ntawm loj kam rau ua ntawm ib lub hauv paus yuav tsum tau nce mus rau + 10%.
| Ntau | Ua siab ntev |
| Ib Daim | +6.5 ~ 3.5 |
| Lub tsheb hnyav ≥18144kg (40000lb) | -1.75% |
| Lub tsheb hnyav 18144kg (40000lb) | -3.5% |
| Order Quantity ≥18144kg (40000lb) | -1.75% |
| Order Quantity 18144kg (40000lb) | -3.5% |
Product Detail
Petroleum Pipes Structure Pipes
API 5L
