气密扣油管互换接箍
API5CT套管接箍
尺寸:4-1/2, 5, 5-1/2, 6-5/8, 7, 7-5/8, 8-5/8, 9-5/8, 10-3/4, 11-3/4, 13-3/8, 16, 18-5/8, 20"
螺纹种类:
Short Round-Thread Casing (STC)
Long Round-Thread Casing (LC)
Buttress Thread Casing (BC)
钢级:H-40, J-55, K-55, L-80, N-80, C-90, T-95, P-110, L80-13CR,Super-13CR.