API BTC Couplingyog ib tug internally threaded connector manufactured raws liAPI Spec 5CT. Tsis zoo li round threads (STC/LTC), BTC xov profile yog trapezoidal, featuring ze li ntawm lub ntsej muag tiaj tus.
Nkag mus rau qhov tob tshiab nrog kev ntseeg siab: Peb API BTC Couplings muab ze li 100% Kev Sib Koom Tes Ua Haujlwm rau Kev Nyuaj Siab.Ruaj Ntseg Koj Qhov Siab Zoo Hnub No!
API Trapezoidal Xov (BTC) Coupling Specifications
Cov lus no qhia txog cov qauv kev qhia thiab cov kev xav tau zoo rau GNEE's BTC couplings.
| Feature | Cov ntsiab lus qhia (API 5CT) |
| Lub Npe | Buttress Xov Coupling (BTC) |
| Txuj | API Spec 5CT (Tswj tsab) |
| Qib Steel | J55, K55, N80-Q, L80, C90, T95, P110, Q125 |
| Xov Density | 5 TSI(5 Threads per Inch) |
| Xov Profile | Trapezoidal (Sawtooth) - 3℃load flank / 10℃stab flank |
| Kev kho saum npoo | Tin-Plating(Kev pom zoo heev rau BTC) lossis Phosphating |
| Kev kuaj & QC | 100% Magnetic Particle Inspection (MPI), Hydrostatic Test, API 5B Gauging |
| Traceability | Tag Nrho MTC (Mill Test Certificate) nrog Heat Number nrhiav |
API Trapezoidal Xov (BTC) Coupling Size & Dimension Chart
Dimensions yog ib qho tseem ceeb rau kev ua kom lub coupling haum nyob rau hauv lub wellbore (casing clearance).
| Casing size (OD) | Xov Hom | Coupling OD - W (hauv / mm) | Coupling Ntev - L (in/mm) | Counterbore Dia - Q (hauv/mm) |
| 4-1/2" | BTC | 5.000 (127.00) | 8.875 (225.43) | 4.635 (117.73) |
| 5" | BTC | 5.563 (141.30) | 9.125 (231.78) | 5.135 (130.43) |
| 5-1/2" | BTC | 6.050 (153.67) | 9.250 (234.95) | 5.635 (143.13) |
| 6-5/8" | BTC | 7.390 (187.71) | 9.625 (244.48) | 6.760 (171.70) |
| 7" | BTC | 7.656 (194.46) | 10.000 (254.00) | 7.135 (181.23) |
| 7-5/8" | BTC | 8.500 (215.90) | 10.375 (263.53) | 7.760 (197.10) |
| 8-5/8" | BTC | 9.625 (244.48) | 10.625 (269.88) | 8.760 (222.50) |
| 9-5/8" | BTC | 10.625 (269.88) | 10.625 (269.88) | 9.760 (247.90) |
| 13-3/8" | BTC | 14.375 (365.13) | 10.625 (269.88) | 13.510 (343.15) |
| 20" | BTC | 21.000 (533.40) | 10.625 (269.88) | 20.135 (511.43) |
Sib piv: API Round Thread vs. Buttress Thread (BTC)
| Feature | API Round (STC/LTC) | API Buttress (BTC) |
| Xov Zoo | Circular / V-puab | Trapezoidal / Sawtooth |
| TPI | 8 | 5 |
| Lub zog tseem ceeb | Sealing & yooj yim siv | High Tensile Load Resistance |
| Hom foob | Interference Fit + Xov Dope | Interference Fit + Xov Dope |
| Hom Qhov tob | Puag mus rau Medium Wells | Deep thiab Ultra-Deep Wells |
Main Technical Parameters ntawm API Standard Threads
| Parameter | Kev piav qhia | Qhov tseem ceeb |
| 1. Threads per Inch (TPI) | Tus naj npawb ntawm xov crests nyob rau hauv ib nti ntawm axial ntev. • Round Xov (STC/LTC):8 TSI • Buttress Xov (BTC):5 TSI |
Txhais qhov "density" ntawm cov xov. Siab dua TPI (Round) tso cai rau kom yooj yim "stabbing" thiab sib dhos. |
| 2. Pitch (P) | Qhov axial nrug ntawm cov xov uas nyob ib sab. • Pitch=1 / TPI |
Xyuas kom cov txiv neej thiab poj niam threads mesh zoo kawg nkaus tsis sib tshooj los yog qhov khoob. |
| 3. Taper | Qhov kev hloov ntawm txoj kab uas hla ntawm ib chav tsev ntawm qhov ntev raws cov yeeb nkab axis. • Standard API Taper:0.0625 nyob rau hauv / hauv (1:16) |
Tso cai rau lub coupling kom nruj raws li nws yog screwed rau, tsim kom muaj kev cuam tshuam haum tsim nyog rau sealing. |
| 4. Xov Angle | Lub kaum sab xis ntawm cov xov flanks. • Round Xov:60℃(V-puab) • Buttress Xov:3℃load flank / 10℃stab flank |
Txiav txim seb qhov kev sib txuas ua haujlwm li cas. BTC lub trapezoidal lub kaum sab xis tiv thaiv "rub- tawm" hauv qab hnyav. |
| 5. Xov Height (h) | Qhov kev ncua deb ntawm cov xov crest (sab saum toj) thiab hauv paus (hauv qab), ntsuas perpendicular mus rau axis. | Qhov siab tsim nyog ua kom muaj kev sib txuam txaus ntawm cov yeeb nkab thiab coupling. |
| 6. Coj | Lub axial nrug ib txoj xov nce mus rau hauv ib qho tiav tig (360 degree). | Qhov tseem ceeb rau synchronized pleev ntawm ob qho tib si. |
| 7. Crest & Root Radius | Qhov tshwj xeeb puag ncig ntawm xov saum thiab hauv qab (rau API Round Threads). | Rounded crests thiab cov hauv paus hniav txo kev ntxhov siab thiab tiv thaiv xov "galling" (seizing). |
| 8. Sawv-tawm (A) | Qhov axial nrug ntawm qhov kawg ntawm qhov sib txuas thiab tes - nruj dav hlau ntawm cov yeeb nkab. | Siv thaum kuaj xyuas kom paub tseeb tias cov threads yog machined nyob rau hauv kam rau ua. |
Kev siv API Trapezoidal Xov (BTC) Casing Couplings
API BTC couplings yog engineered rau ib puag ncig uas txheem round threads (STC/LTC) ncav cuag lawv lub cev txwv. Vim hais tias cov xov trapezoidal profile muaj ze li ntawm100% kev sib koom ua haujlwm muaj zog, lawv yog qhov "mus-rau" xaiv rau cov xwm txheej hauv qab no:
1. Sib sib zog nqus thiab Ultra-Kev tsim kho qhov tob tob
Hauv qhov dej siab tshaj 3,000-5,000 meters, qhov hnyav ntawm txoj hlua casing nws tus kheej dhau los ua qhov hnyav heev.
Vim li cas BTC:Lub sawtooth trapezoidal tsim tsim lub tshuab ntsuas phoo uas tiv thaiv cov yeeb nkab los ntawm "rub tawm" (kev sib cais sib cais) nyob rau hauv nws tus kheej qhov hnyav axial.
Daim ntawv thov:Siv feem ntau hauv kev tsim khoom thiab nruab nrab cov hlua khi rau qhov sib sib zog nqus- qhov kev tshawb nrhiav.
2. Offshore thiab Subsea Drilling
Offshore platforms, tshwj xeeb tshaj yog nyob rau hauv lubGulf of Guinea (Ghana)los yog North Hiav Txwv, fim qhov sib txawv ntawm kev ntxhov siab los ntawm cov dej ntws thiab cov khoom hnyav hnyav.
Vim li cas BTC:BTC muab cov qauv kev ncaj ncees uas yuav tsum tau muaj rau subsea wellheads thiab ntev casing khiav los ntawm lub platform mus rau seabed.
Daim ntawv thov:Tseem ceeb heev rau cov txheej txheem ntawm ntug dej hiav txwv casing thiab siab -tension conductor kav.
3. Kab rov tav thiab Directional Drilling
Niaj hnub nimno drilling feem ntau yog khoov cov yeeb nkab kom ncav cuag cov hnab roj hmab horizontally. Qhov no ua rau torque loj heev thiab khoov kev nyuaj siab ntawm cov pob qij txha.
Vim li cas BTC:Cov rugged trapezoidal threads tuav dabtsi yog khoov thiab siab -torque "ua-up" zoo dua cov xov puag ncig, txo qhov kev pheej hmoo ntawm xov deformation thaum hloov pauv.
Daim ntawv thov:Shale gas extraction thiab complex directional roj qhov dej.
4. Siab-Cov Roj thiab Roj Ntsig
Cov qhov dej nrog hauv qab siab - qhov siab siab (BHP) yuav tsum muaj kev sib txuas uas yuav tsis ua rau lub siab sab hauv.
Vim li cas BTC:Thaum ua ke nrog siab - zoo API xov roj nplua nyeem (dope), kev cuam tshuam haum ntawm BTC xov muab lub foob muaj peev xwm tuav tau siab - ib puag ncig siab.
Daim ntawv thov:High -pressure ntau lawm casing.
5. Loj Diameter Nto Casing
Nto casing (feem ntau 13-3/8 "los yog 20") ua lub hauv paus ntawm tag nrho lub qhov dej, txhawb nqa tag nrho cov hlua casing tom ntej.
Vim li cas BTC:Vim hais tias qhov saum npoo yuav tsum tuav qhov hnyav ntawm txhua yam dai hauv qab nws, qhov siab -load peev xwm ntawm BTC yog qhov tseem ceeb rau sab saum toj ntawm lub qhov dej.
Daim ntawv thov:Tseem ceeb infrastructure rau wellbore stability.
6. Kev ua tiav ntawm Geothermal Well
Geothermal qhov dej muaj qhov kub hloov pauv, ua rau cov hlau nthuav dav thiab cog lus.
Vim li cas BTC:Lub trapezoidal xov profile yog ntau resistant rau "telescoping" tshwm sim los ntawm thermal expansion/contraction piv rau tus qauv V- xov.
Daim ntawv thov:Chav thiab dej kub extraction qhov dej.
API Trapezoidal Thread casing Couplings test equipmen
API Trapezoidal Xov casing Couplings Hoobkas
FAQ
Peb hom kev sib txuas yog dab tsi?
Hauv kev lag luam roj thiab roj (tshwj xeeb hauv qabAPI 5 CTstandard), peb hom tseem ceeb ntawm casing couplings yog:
1. STC (Short Round Thread Coupling)
Xov Profile:Circular / Round xov.
Qhov zoo tshaj plaws rau:Cov qhov dej ntiav thiab qis - cov ntawv thov nruj.
Feature tseem ceeb:Shorter xov ntev; kev xaiv nyiaj txiag tshaj plaws.
2. LTC (Long Round Xov Coupling)
Xov Profile:Circular / Round thread (tib yam li STC).
Qhov zoo tshaj plaws rau:Nruab nrab-rau- qhov dej tob.
Feature tseem ceeb:Cov xov ntev ntev muab kev sib koom ua ke ntau dua thiab zoo dua los tiv thaiv STC.
3. BTC (Buttress Thread Coupling)
Xov Profile:Trapezoidal (sawtooth) xov.
Qhov zoo tshaj plaws rau:Cov qhov dej tob, siab -siab, thiab siab -nrhiav ib puag ncig.
Feature tseem ceeb:Cov duab trapezoidal tsim ib lub tshuab ntsuas phoo uas tiv thaiv cov kav dej los ntawm rub tawm hauv qhov hnyav hnyav.
API xov sawv rau dab tsi?
API Xovsawv rauLub koom haum American Petroleumxov.
Nws hais txog cov txheej txheem threading specifications tsim los ntawm American Petroleum Institute rau kev lag luam roj thiab roj.
Cim npe nrov: api trapezoidal xov casing couplings, Tuam Tshoj api trapezoidal xov casing couplings manufacturers, lwm tus neeg, Hoobkas
