中原油田气举井油套管腐蚀因素分析  

FACTOR ANALYSIS OF TUBING AND CASING CORROSION FOR GAS-LIFT WELLS IN ZHONGYUAN OIL FIELD

作　　者：王选奎 黄雪松 陈普信 胡庆祥 郭学辉 郑家燊 傅朝阳[2] 刘小武[2] 彭芳明[2] 

机构地区：[1]中原石油采油工程技术研究院,河南濮阳457001 [2]华中理工大学,湖北武汉430074

出　　处：《腐蚀与防护》2001年第4期165-168,共4页Corrosion & Protection

摘　　要：采用XRD、EPMA和硫酸盐还原菌 (SRB)检测对中原油田气举井文 13 12 7套管及文 13 2 5 7井油管腐蚀产物及管材和两口井的水质进行分析 ,并试验了碳钢在含CO2 介质中的腐蚀。研究结果表明 ,CO2 及高矿化度产出水是气举井腐蚀的主要原因 ,油管丝扣处存在的缝隙、套管钢材中夹杂物的局部分布及流体冲刷是加剧油套管局部腐蚀穿孔破坏的另一原因。同时还探索了应用缓蚀剂防止气举井CO2XRD, EPMA and sulfate reducing bacteria (SRB) inspection were applied to analyse the corrosion products and metal quality of WEN 13 127 gas lift wells casing tube and WEN 13 257 gas lift wells oil pipe and water quality of the wells The corrosion of carbon steel in environments containing CO 2 has also been tested The results showed that CO 2 and output water with high mineral degree was the main reason for the corrosion of gas lift well; the cracks existed at the tubes threads, impurities locally distributed in steel, as well as fluid washing were also the factors to intensify the local corrosion damage of oil pipe and casing tubes The inhibiting of CO 2 corrosion of gas lift well by inhibitior is also explored

关 键 词：气举井 油套管 腐蚀产物 失效分析 缓蚀剂 中原油田 

分 类 号：TE983[石油与天然气工程—石油机械设备]