Cov qhov rooj vag av nkosfeem ntau yog siv rau hauv kev khawb roj, kev sib txuas cementing, thiab kev ua haujlwm workover los tswj cov dej ntws ntawm cov av nkos siab lossis lwm yam kua dej hauv qhov dej. Lawv cov haujlwm tseem ceeb suav nrog:

1.Kev Kaw Dej
Sai sai cais tawmcov kab ntws av thaum muaj xwm txheej ceev lossis kev txij nkawm kom tiv thaiv kev tawg lossis xau.
Piv txwv li: "Qhib lub qhov dej av tam sim ntawd yog tias pom muaj cov tsos mob ntawm kev ncaws dej."
2.Kev Tswj Xyuas Siab
Tiv taus cov kua dej siab heev (feem ntau15,000+ PSI) kom tswj tau qhov zoo.
3.Kev Tiv Thaiv Kev Sib Nraus / Kev Xeb
Lub cev valve thiab cov foob (piv txwv li, tungsten carbide) tiv taus kev yaig los ntawm cov xuab zeb lossis cov av nkos uas muaj xeb.
4.Kev Sib Koom Tes Hauv BOP
Ua haujlwm ua cov khoom pabcuam rau cov khoom tiv thaiv kev tawg (BOPs) rau kev nyab xeeb ntawm lub qhov dej kom zoo dua.
5.Av nkos rooj vag valveCov Kev Xaiv Txuj Ci
1. Cov Lus Qhia Tseem Ceeb
Qhov Loj ntawm Lub Qhov:
Qhov ntau thiab tsawg txheem: 2″ txog 12″ (Qhov ntau thiab tsawg feem ntau: 4″/6″/8″)
Kev Ntsuas Siab:
Kev ua haujlwm siab: 5,000-15,000 PSI (Kev ntsuas siab dua muaj)
Ua raws li: API 6A/API 16C/ASME B16.34 cov qauv
2.Hom Kev Sib Txuas
Flanged:
ASME B16.5 (RF/RTJ)
API 6A (6B/6BX)
Clamped:
API 6A (6B/6BX)
Xov:
API 7-1 (Xov Zoo Tshaj)
NPT (American Standard Yeeb Nkab Xov)
3.Cov Khoom Siv
Khoom siv lub cev:
Cov Hlau Carbon (ASTM A216 WCB)
Hlau Tsis Xeb (ASTM A351 CF8M)
Hlau Duplex (ASTM A995 4A/5A)
Cov Txheej Txheem Sealing:
Hlau-rau-hlau (Tungsten Carbide/Stellite)
Cov Ntiv Tes Uas Muaj Zog (NBR/FKM)
4. Cov Kev Cai Tshwj Xeeb rau Kev Pabcuam
Kev Pab Cuam Qaub (H₂S/CO₂):
Ua raws li NACE MR0175/ISO 15156
Kub Tshaj Plaws:
Kub qis: -50°C (-58°F)
Kub siab: 232 ° C (450 ° F) lossis kev cai
Kev Tswj Xyuas Cov Khoom Siv Abrasive:
Muaj cov rooj zaum/rooj vag uas muaj ntsej muag tawv
5. Cov Lus Qhia Txog Kev Xaiv:Thov muab cov hauv qab no rau kev xaiv lub valve kom meej:
Hom Qhov Dej:[Thaj Av/Ntug Dej/Shale/Dej tob]
Siab Tshaj Plaws:[_____ PSI]
Cov yam ntxwv ntawm cov kua dej:[Cov ntsiab lus xuab zeb, Cl⁻ concentration, H₂S theem]
Tej Yam Ib Puag Ncig:[Kub, xeb, tawg-pov thawj yuav tsum tau ua]
Junnnie Liu
Xov tooj ntawm tes/Whatsapp:+0086-158 7765 8727
Email: landrill@landrilltools.com
Lub sijhawm tshaj tawm: Tsib Hlis-28-2025






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