常见油管、套管技术规范常用油管规范 英寸直径mm壁厚mm内径mm接箍外径mm接箍长度mm每米内容积L每米体积L每米环形体积L2"3/860.35.0 50.373.0 1101.9872.870.872"7/873(平式)5.562.0 89.51323.0194.191.172"7/873（加厚）5.562.0 93.0 1343.0194.191.173"88.96.575.9107.0 1464.5256.211.68常用套管规范 英寸直径壁厚内径接箍外径接箍长度每米内容积对73mm油管套管环空容积对73mm油管套管环空流通容积5"1277.52112141.3231.89.855.668.75"1/2139.77.72124.3153.6723512.147.95119.17121.411.587.3910.410.54118.611.056.879.97"177.89.19159.4194.46254.519.9515.7618.810.36157.119.3815.218.27"5/8193.79.53174.6215.9263.523.9419.7522.89"5/8244.511.05222.4269.88269.938.8334.6537.711.99220.538.19343713"3/8339.79.65320.4365.13269.980.6576.4679.48。