石油套管
Oil well Casing / Drill Pipe
Standard API 5CT/5DP/5E
Material J55/K55/P110/N80/N80Q/L80/P110/P95/Q125/V150
Technique: Welded/Seamless
Length R1 (4.88m-7.62m)
R2 (7.62m-10.36m)
R3 (10.36-14m)
others as customer needs
Coupling NUE/EUE/BTC/LTC/STC/VAM