ICS 75.180.10 CCS E 92 团 体 标 准 T/CSTM 0040 3—2021 酸化作业井全生命周期服役环境 管柱腐蚀试验方法 Corrosion test method of tubing and casing string used in full -life-cycle service environment of acidizing operation well 2021-11-16发布 2022-02-16 实施 中关村材料试验技术联盟 发布 CSTMhQÆSÑ^Ou( 全国团体标准信息平台 CSTMhQÆSÑ^Ou(全国团体标准信息平台 T/CSTM 00403 —2021 I 目 次 前言 ................................ ................................................................ ........................................................... II 1 范围 ................................................................ ................................ .............................................................. 1 2 规范性引用文件 ................................ ................................ ................................................................ .......... 1 3 术语和定义 ................................ ................................................................ ................................ .................. 1 4 试验环境 ................................ ................................................................ ................................ ...................... 2 4.1 试验环境分类 ................................ ................................ ................................................................ ....... 2 4.2 试验介质 ................................ ................................................................ ................................ ............... 3 5 试验设备 ................................ ................................................................ ................................ ...................... 4 6 试样 ................................................................ ................................ .............................................................. 4 6.1 试样尺寸 ................................ ................................................................ ................................ ............... 4 6.2 试样的制备及预处理 ................................................................ ........................................................... 4 7 试验步骤 ................................ ................................................................ ................................ ...................... 4 7.1 一般要求 ................................ ................................................................ ................................ ............... 4 7.2 油管内壁环境、封隔器以下油管外壁环境或封隔器以下套管内壁环境腐蚀试验 ........................ 5 7.3 封隔器以上油管外壁环境或封隔器以上套管内壁环境腐蚀试验 ................................ .................... 7 7.4 套管外壁环境 ................................ ................................ ................................................................ ....... 7 8 试样后处理 ................................ ................................................................ ................................ .................. 8 9 腐蚀评定 ................................ ................................................................ ................................ ...................... 8 9.1 平均腐蚀速率计算 ................................ ................................ ............................................................... 8 9.2 点蚀速率计算 ................................ ................................ ................................................................ ....... 8 9.3 腐蚀形貌观察 ................................ ................................ ................................................................ ....... 8 10 试验报告 ................................ ................................................................ ................................ .................... 9 附 录 A （资料性） 起草单位和 主要起草人 ................................ ...................................................... 10 参考文献 .....................................................................