Lub Qhov Caj Npab Drill-Slick thiab Spiral Downhole Pipe
Lub dab tshos laum yog ua los ntawm AISI 4145H lossis cov hlau sib xyaw ua ke, ua tiav raws li API SPEC 7 tus qauv.
Hauv tag nrho cov txheej txheem tsim khoom ntawm lub dab tshos laum, cov ntaub ntawv xeem ntawm txhua yam khoom qhov kev ua tau zoo, los ntawm kev ua haujlwm, kev kho cua sov mus rau kev txuas xov thiab lwm yam txheej txheem tsim khoom, tuaj yeem taug qab.
Kev kuaj pom ntawm lub qhov laum yog ua raws li tus qauv API.
Tag nrho cov xov raug phosphatization lossis tooj liab plating kev kho mob kom ua rau lawv cov corrosion tsis kam thiab zam cov cuab yeej xov 'xov gluing phenomenon.
Peb lub tuam txhab tuaj yeem ua cov slips thiab elevator grooves ntawm lub laum collar raws li tus neeg siv xav tau.
Cov Kev Ntsuas Kev Txawj：
| Qauv xov ntawm lub dab tshos laum | OD | ID | Ntev hli | ||
| mm | in | mm | in | ||
| NC23-31 | 79.4 | 3-1/8 | 31.8 | 1-1/4 | 9150 |
| NC26-35 | 88.9 | 3-1/2 | 38.1 | 1 1/2 | 9150 |
| NC31-41(2-7/8IF) | 104.8 | 4-1/8 | 50.8 | 2 | 9150 |
| NC35-47 | 120.7 | 4-3/4 | 50.8 | 2 | 9150 |
| NC38-50(3-1/2IF) | 127.0 | 5 | 57.2 | 2-1/4 | 9150 |
| NC44-60 | 152.4 | 6 | 57.2 | 2-1/4 | 9150/9450 |
| NC44-60 | 152.4 | 6 | 71.4 | 2-13/16 | 9150/9450 |
| NC44-62 | 158.8 | 6-1/4 | 57.2 | 2-1/4 | 9150/9450 |
| NC46-62(4IF) | 158.8 | 6-1/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC46-65(4IF) | 165.1 | 6-1/2 | 57.2 | 2-1/4 | 9150/9450 |
| NC46-65(4IF) | 165.1 | 6-1/2 | 71.4 | 2-13/16 | 9150/9450 |
| NC46-67(4IF) | 171.4 | 6-3/4 | 57.2 | 2-1/4 | 9150/9450 |
| NC50-67(4-1/2IF) | 171.4 | 6-3/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC50-70(4-1/2IF) | 177.8 | 7 | 57.2 | 2-1/4 | 9150/9450 |
| NC50-70(4-1/2IF) | 177.8 | 7 | 71.4 | 2-13/16 | 9150/9450 |
| NC50-72(4-1/2IF) | 184.2 | 7-1/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC56-77 | 196.8 | 7-3/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC56-80 | 203.2 | 8 | 71.4 | 2-13/16 | 9150/9450 |
| 6-5/8REG | 209.6 | 8-1/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC61-90 | 228.6 | 9 | 71.4 | 2-13/16 | 9150/9450 |
| 7-5/8REG | 241.3 | 9-1/2 | 76.2 | 3 | 9150/9450 |
| NC70-97 | 247.6 | 9-3/4 | 76.2 | 3 | 9150/9450 |
| NC70-100 | 254.0 | 10 | 76.2 | 3 | 9150/9450 |
| 8-5/8REG | 279.4 | 11 | 76.2 | 3 | 9140/9450 |
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Kev Taw Qhia Khoom: Cov yeeb nkab hnyav hnyav yog ua los ntawm AISI 4142H-4145H hlau ua los ntawm cov hlau sib xyaw. Cov txheej txheem tsim khoom ua raws li SY / T5146-2006 thiab API SPEC 7-1 cov qauv. Cov Txheej Txheem Kev Siv rau Cov Yeeb Nkab Hnyav Hnyav: Loj Lub cev yeeb nkab Cov cuab yeej sib koom ua ke Ib qho zoo Kg / Daim OD (hli) ID (hli) Loj Upset Hom xov OD (hli) ID (hli) Nruab Nrab (hli) Xaus (hli) 3 1/2 88.9 57.15 101.6 98.4 NC38 120...