API 5CT K55 Roj Lub Tebchaws Tubular Khoom
Raws liAPI Spec 5CT,k55 uaQib 1 steel qibthiab ib qho ntawm feem ntau sivRoj Lub Tebchaws Tubular Khoom (OCTG)rauntiav mus rau nruab nrab -depthroj thiab roj qhov dej, muaj nyob rau hauv ob qho tib si casing thiab tubing daim ntawv. Hais txog cov khoom siv kho tshuab, K55 nta lub zog tawm los ntawm379 MPa rau 552 MPa (55 ksi rau 80 ksi)thiab qhov tsawg kawg nkaus tensile lub zog ntawm655 MPa (95 ksi).
Txawm hais tias nws cov kev cai tshuaj rau impurities zoo ib yam rau cov qib J55-txwv ob qho tib si phosphorus thiab sulfur cov ntsiab lus tsawg dua lossis sib npaug li 0.030%-K55 muab lub zog tensile ntau dua. K55 feem ntau yog muab rau hauvraws li -rolled, normalized, los yog normalized-thiab-temperedtej yam kev mob. Nws yog tus qauv kev xaiv rau oilfield txoj kev loj hlob, tawm tsam qhov pom kev sib npaug ntawmnqi-effectivenessthiab nruab nrab - kev ua tau zoo, txawm tias nws tsis yog tsim los raukev pabcuam qaubIb puag ncig muaj hydrogen sulfide (H2S).
API 5CT K55 OCTG Color Identification Table
| Cheebtsam | Xim | Txoj kev thov | Lus hais |
| Lub cev lub cev | Ntsuab Ntsuab | Ob Bands | Painted nyob rau hauv 0.6m (24 ") ntawm qhov kawg |
| Kev sib txuas | Ntsuab Ntsuab | Xim Xim | Tag nrho sab nrauv yog pleev xim rau |
| Khoom siv | Ntsuab Ntsuab | Xim Xim | Siv rau pup pob qij txha, connectors, thiab lwm yam. |
Chemical Composition Table rau API 5CT K55 casing kav (Mass Fraction, %)
Raws li API Spec 5CT (Pawg 1), cov tshuaj yuav tsum tau rau K55 kuj hloov tau, tsom feem ntau ntawm kev tswj cov impurities (Phosphorus thiab Sulfur).
| Lub Npe Lub Npe | Cim | Yuav tsum tau (Fraction) | Lus hais |
| Cov pa roj carbon | C | Tsis Qhia | Tswj los ntawm cov chaw tsim khoom kom ua tau raws li cov khoom siv kho tshuab |
| Manganese | Mn | Tsis Qhia | Tswj los ntawm cov chaw tsim khoom kom ua tau raws li cov khoom siv kho tshuab |
| Phosphorus | P |
Tsawg dua lossis sib npaug rau 0.030 Tsawg dua lossis sib npaug rau 0.030 |
Ladle / Product Analysis siab tshaj |
| Sulfur | S |
Tsawg dua lossis sib npaug rau 0.030 Tsawg dua lossis sib npaug rau 0.030 |
Ladle / Product Analysis siab tshaj |
| Silicon | Si | Tsis Qhia | - |
| Tooj | Cu | Tsis Qhia | - |
| Nickel | Ni | Tsis Qhia | - |
| Chromium | Cr | Tsis Qhia | - |
Mechanical Properties ntawm K55 Roj Zoo Drilling Tube
| Khoom | Metric Units | US Customary Units |
| Yield zog | 379 ~ 552 MPa | 55,000 ~ 80,000 psi |
| Tensile zog |
Ntau dua lossis sib npaug rau 655 Ntau dua lossis sib npaug rau 655 MPa |
Ntau dua lossis sib npaug rau 95,000 Ntau dua lossis sib npaug rau 95,000 psi |
| Hardness | Tsis Qhia | Tsis tas yuav tsum tau hardness txwv |
Kev xa khoom / Kev kho cua sov ntawm API 5CT K55 Oilfield Casing
K55 casing thiab tubing feem ntau xa hauv cov xeev hauv qab no:
Raws li - dov(Tsis muaj kev kho cua sov, yog tias cov khoom tau ntsib ntawm dov).
Normalized (N).
Normalized thiab Tempered (N&T).
K55 yog kev lag luam, nruab nrab - qib OCTG. Nws cov tshuaj tswj xyuas tsom mus rau"Low Phosphorus thiab Low Sulfur,"thaum lwm cov ntsiab lus alloying tau txiav txim los ntawm cov chaw tsim khoom kom ua tiav cov qib siab xav tau.
API 5CT K55 Casing Size Chart
Casing yog siv los stabilize lub qhov dej. K55 casing feem ntau muaj nrogBTC(Tshooj Buttress),LTC(Long Round Thread), los yogSTC(Short Round Thread) kev sib txuas.
| Sab nraud txoj kab uas hla (OD) | OD (mm) | Nominal Nyhav (lb/ft) | Phab ntsa Thickness (mm) | Txoj kab uas hla (mm) |
| 4-1/2" | 114.30 | 9.50 / 10.50 / 11.60 | 5.21 / 5.69 / 6.35 | 101.27 / 100.31 / 98.99 |
| 5" | 127.00 | 11.50 / 13.00 / 15.00 | 5.59 / 6.43 / 7.52 | 113.11 / 111.43 / 109.25 |
| 5-1/2" | 139.70 | 14.00 / 15.50 / 17.00 | 6.22 / 6.91 / 7.72 | 124.56 / 123.19 / 121.57 |
| 6-5/8" | 168.28 | 20.00 / 24.00 | 7.32 / 8.94 | 150.93 / 147.68 |
| 7" | 177.80 | 20.00 / 23.00 / 26.00 | 6.91 / 8.05 / 9.19 | 161.27 / 158.98 / 156.70 |
| 7-5/8" | 193.68 | 24.00 / 26.40 / 29.70 | 7.62 / 8.33 / 9.53 | 175.74 / 174.32 / 171.91 |
| 8-5/8" | 219.08 | 24.00 / 28.00 / 32.00 | 6.71 / 7.72 / 8.94 | 203.02 / 200.99 / 198.55 |
| 9-5/8" | 244.48 | 36.00 / 40.00 | 8.94 / 10.03 | 223.88 / 221.70 |
| 10-3/4" | 273.05 | 40.50 / 45.50 | 8.89 / 10.16 | 252.32 / 249.79 |
| 13-3/8" | 339.72 | 54.50 / 61.00 / 68.00 | 9.65 / 10.92 / 12.19 | 317.50 / 314.96 / 312.42 |
| 16" | 406.40 | 65.00 / 75.00 / 84.00 | 9.53 / 11.13 / 12.57 | 384.45 / 381.25 / 378.37 |
| 20" | 508.00 | 94.00 / 106.50 / 133.00 | 11.13 / 12.70 / 16.13 | 482.85 / 479.71 / 472.85 |
Casing Xov txuas koj yuav tsum xaiv?
Xov tsis ua hauj lwm yog ib qho ntawm feem ntau ua rau casing to thiab teb ua hauj lwm tsis ua hauj lwm.
STC (Short Xov Coupling)
Optimal Application Scenarios:
Qhov dej ntiav
Tsawg- qhov yuav tsum tau ua
Tus nqi - cov haujlwm tseem ceeb
LTC (Long Thread Coupling)
Optimal Application Scenarios:
Nruab nrab- qhov dej tob
Cov xwm txheej ua haujlwm yuav tsum tau txhim kho tensile kev ua haujlwm
BTC (Butter Thread Coupling)
Optimal Application Scenarios:
Qhov dej tob
High axial load xav tau
Xav tau ntau dua drilling tej yam kev mob
Rau feem ntau cov phiaj xwm xa tawm ntawm GNEE, BTC yog qhov kev xaiv ntawm ntau tus neeg siv khoom, ua tsaug rau nws lub peev xwm zoo heev.
API 5CT K55 Tubing Size Daim Ntawv Qhia
Tubing yog siv los thauj cov roj lossis roj rau saum npoo. K55 tubing feem ntau sivNUE(Tsis yog-Upset End) los yogEUE(External Upset End) kev sib txuas.
| Sab nraud txoj kab uas hla (OD) | OD (mm) | Nominal Nyhav (lb/ft) | Phab ntsa Thickness (mm) | Txoj kab uas hla (mm) |
| 1.050" | 26.67 | 1.14 / 1.20 | 2.87 / 3.18 | 19.33 / 18.72 |
| 1.315" | 33.40 | 1.70 / 1.72 | 3.38 / 3.56 | 25.12 / 24.77 |
| 1.660" | 42.16 | 2.30 / 2.33 | 3.56 / 3.68 | 33.45 / 33.22 |
| 1.900" | 48.26 | 2.75 / 2.76 | 3.68 / 3.91 | 39.35 / 38.89 |
| 2-3/8" | 60.33 | 4.60 / 4.70 | 4.83 | 48.36 / 48.36 |
| 2-7/8" | 73.03 | 6.40 / 6.50 | 5.51 | 59.61 / 59.61 |
| 3-1/2" | 88.90 | 9.20 / 9.30 | 6.45 | 72.82 / 72.82 |
| 4" | 101.60 | 9.50 | 5.74 | 87.71 |
| 4-1/2" | 114.30 | 12.60 / 12.75 | 6.88 | 97.97 / 97.97 |
Dab tsi tubing Xov txuas Koj Yuav Tsum Xaiv?
Thaum xaiv ib tug tubing xov txuas rau API 5CT K55 (los yog lwm yam OCTG tubing), qhov kev xaiv nyob ntawm qhov tob zoo, siab, load hom, thiab kev ua haujlwm.
EUE (External Upset End) Xov
Standard tubing kev twb kev txuas qhov twg lub tubing lub cev yog chim externally ntawm cov xov kom tso cai rau kev koom tes nrog lub coupling.
Zoo tshaj rau: Feem ntau cov pa roj, roj, lossis dej qhov dej.
Qhov zoo:
Muaj dav thiab qauv
Zoo tensile zog
Tau tshaj nrog feem ntau casing thiab tubing qhov ntau thiab tsawg
Kev txwv:
Tsis yog tsim los rau siab heev axial loads
NUE (Tsis yog -Upset End) Xov
Tubing lub cev muaj cov yam ntxwv OD; xov yog machined ncaj qha tsis upsetting kawg.
Zoo tshaj rau: Cov qhov dej ntiav lossis qis - kev pabcuam siab.
Qhov zoo:
Tus nqi qis dua
Yooj yim machining
Kev txwv:
Tsawg tensile muaj peev xwm tshaj EUE
Tsis pom zoo rau qhov tob lossis siab -load qhov dej
K55 Casing vs K55 Tubing
Ntau tus neeg yuav khoom siv cov ntsiab lus sib pauv, tab sis lawv ua haujlwm sib txawv.
| Yam khoom | K55 Cov | k55 cev |
| Lub luag haujlwm tseem ceeb | Txhawb nqa zoo | Kev thauj cov kua dej ntau lawm |
| Installation Txoj hauj lwm | Txoj hlua sab nraud | Sab hauv casing |
| Tsim Load | Sib tsoo thiab sab nraud siab | Sab hauv siab |
| Phab ntsa Thickness | Feem ntau hnyav dua | Feem ntau sib dua |
| Kev sib txuas | BTC, LTC, STC | EU, NUJ |
k55vs uaJ55: Qhov txawv yog dab tsi?
Ib qho ntawm cov lus nug ntau tshaj plaws los ntawm cov neeg yuav khoom txawv teb chaws yog K55 thiab J55 yog tib yam.
| Khoom | J55 | K55 |
| Yield zog | 55-80 hli | 55-80 hli |
| Tensile zog | 75 kwm | 95 kwm |
| API Standard | API 5 CT | API 5 CT |
| Daim ntawv thov | Cov qhov dej qub | Cov qhov dej qub |
| Nqe | Tsawg me ntsis | Siab dua me ntsis |
Kev soj ntsuam yuav tsum tau rau API 5CT K55 Petroleum Casing Pipe
Ua ntej xa khoom xa tuaj, cov tuam txhab muaj npe nrov feem ntau ua cov kev tshuaj xyuas hauv qab no.
Dimensional soj ntsuam
OD ntsuas
Phab ntsa thickness ntsuas
Kev txheeb xyuas qhov ntev
Kev tshuaj xyuas xov
Mechanical Testing
Yield zog test
Tensile zog xeem
Kev kuaj Hardness
Tsis yog -Kev Ntsuas Kev Puas Tsuaj (NDT)
Kev kuaj ultrasonic (UT)
Electromagnetic Inspection (EMI)
Kev tshuaj xyuas xov
Kev Ntsuas Hydrostatic
Kev ntsuam xyuas hydrostatic txheeb xyuas qhov kev ntseeg siab thiab cov dej tsis haum ua ntej xa khoom.
API 5CT K55 BTC Casing tshuaj xyuas
API 5CT K55 OCTG Certificate
FAQ
Puas yog K55 haum rau Deep Wells?
K55 feem ntau yog siv hauv qhov dej ntiav mus rau nruab nrab - qhov tob tob.
Rau siab - siab los yog qhov tob tob, cov neeg ua haujlwm feem ntau xaiv:
N80
L80
P110
Kev xaiv qib kawg yuav tsum yog raws li kev sib tsoo, tawg, thiab tensile suav es tsis yog tus nqi ib leeg.
K55 puas tuaj yeem siv hauv H₂S Kev Pabcuam?
Tus qauv K55 feem ntau tsis pom zoo rau qhov hnyav qaub- qhov chaw pabcuam.
Rau cov qhov dej uas muaj hydrogen sulfide (H₂S), cov neeg yuav khoom yuav tsum ntsuas cov qib uas ua tau raws li cov kev xav tau kev pabcuam.
API 5CT K55 casing siv rau dab tsi?
K55 casing txhawb lub qhov dej thiab cais cov geological formations thaum lub sij hawm drilling thiab ntau lawm.
API 5CT K55 tubing siv rau dab tsi?
K55 tubing thauj cov roj, roj, dej, los yog cov kua dej ntau lawm los ntawm lub reservoir mus rau saum npoo.
Puas yog K55 muaj zog dua J55?
K55 thiab J55 muaj tib lub zog tawm los, tab sis K55 muaj qhov siab dua qhov tensile zog yuav tsum tau raws li API 5CT.
K55 puas tuaj yeem hloov N80?
No. N80 muaj lub zog ntau dua thiab tsim los rau kev xav tau ntau dua.
Cim npe nrov: api 5ct k55 roj lub teb chaws tubular khoom, Tuam Tshoj api 5ct k55 roj teb chaws tubular khoom manufacturers, lwm tus neeg, Hoobkas
Koj Tseem Yuav Zoo Li
Xa kev nug