用于鉆井作業(yè)的套管和油管 管道和套管 * 標準： API規(guī)格說明5CT * 應用：油管用來從井中抽取石油和天然氣。套管用作油井的井壁。 *鋼種： 厚壁鋼管，螺旋管，直縫鋼管J55、K55、N80、L80、C90、T95、P110 * 規(guī)格范圍： 請訪問我們的網(wǎng)站獲取更多細節(jié) 產(chǎn)品英文描述: Tubing and Casing * Standard : API SPEC 5CT * Application : Tubing is used to extracting petroleum and natual gas from a well .Casing serves as walls of a well . * Steel Grade : J55,K55,N80,L80,C90,T95,P110 * Range o ...SFEIR TRADING CO SAL