7、4.500114.300.3378.56-P-PP-17.00-4.500114.300.3809.65-P-PP-18.90-4.500114.300.43010.92-P-PP-21.50-4.500114.300.50012.70-P-PP-23.70-4.500114.300.56014.22 P PP-26.10-4.500114.300.63016.00-P-PP-注:P--平头;N--不加厚;U--外加厚;T&C--车螺纹带接箍;I--整体接头。 描述:石油套管标准:APISPEC5CT