聚合物驱集输管道微生物腐蚀行为实验研究

张维智, 冯思乔, 宋霄鹏, 刘艾华, 唐德志, 闫茂成, 韩恩厚

Microbial Corrosion of Polymer Flooding Oil Gathering/Transportation Pipeline

ZHANG Weizhi, FENG Siqiao, SONG Xiaopeng, LIU Aihua, TANG Dezhi, YAN Maocheng, HAN En-Hou

表2 20#钢在聚合物驱溶液中浸泡14 d后的表面化学成分

Table 2 Surface chemical compositions of 20 # steel after 14 d immersion test in polymer flooding oil gathering media

Element SRB IOB SRB/IOB Control Mass fraction / % Atomic fraction / % Mass fraction / % Atomic fraction / % Mass fraction / % Atomic fraction / % Mass fraction / % Atomic fraction / % O 9.43 25.39 13.48 35.22 15.07 36.69 9.38 26.55 Fe 82.53 63.67 86.52 64.78 77.35 53.94 90.62 73.45 S 5.22 7.02 - - 3.58 4.34 - - P 2.82 3.92 - - 4.00 5.03 - -