低酸性环境用C125钢级套管开发研究进展  

Progresses with R & D of C125 Casing for Mildly Sour Environments

作　　者：李平全[1] 

机构地区：[1]西安摩尔石油工程实验室有限公司,陕西西安710032

出　　处：《钢管》2013年第3期6-15,共10页Steel Pipe

摘　　要：通过对比分析,综合介绍了国外低酸性环境用C125钢的研发进展,C125钢级套管的适用环境条件和SSC评价试验。指出C110钢级是目前通过NACE TM0177标准A溶液,直至NACE MR0175/ISO 15156-2标准pH-PH2S图的全酸性环境评定的最高钢级抗酸性钢。介绍了适用环境SSC评价方法及在低酸性环境用C125钢级开发等方面的应用。With a comparative analysis,the progress with R D of the C125 casing for mildly sour environments as made abroad is generally described here in the paper. Also elaborated are the fit-for-purpose environment and the SSC evaluation test of the said casing. It is pointed out that the C110 grade is the highest one among the SSC-resistant steel grades,which evaluation result is made through the method A,the solution A as per NACE TM0177 up to the pH-P H 2 S plate region Ⅲ as per NACE MR0175/ISO 15156-2. Further described are the fit-for-purpose environment evaluation and their application to development of the C125 grade for mildly sour environments.

关 键 词：油套管 C125钢级 低酸性环境 适用环境条件 SSC评价 

分 类 号：TG174.2[金属学及工艺—金属表面处理] TE931.2[金属学及工艺—金属学]