碳钢油气输送管道沉积物下缓蚀剂的缓蚀效果
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- 论文作者：喻能 ; 许炳辉 ; 张国安 ; 陈振宇 ; 邱于兵 ; 郭兴蓬
- 年：2012
- 作者机构：华中科技大学化学与化工学院;
- 论文关键词：阵列电极 ; 沉积物 ; 缓蚀剂 ; 缓蚀效果
- 会议召开时间：2012-07-25
- 会议录名称：第十七届全国缓蚀剂学术讨论会论文集
- 语种：中文
- 分类号：TE988.2
- 学会代码：ZGHA
- 会议名称：第十七届全国缓蚀剂学术讨论及应用技术经验交流会
- 会议地点：中国重庆
- 主办单位：中国腐蚀与防护学会缓蚀剂专业委员会
- 学会名称：中国腐蚀与防护学会缓蚀剂专业委员会
- 页数：7
- 文件大小：2381k
- 原文格式：O
- 会议级别：全国
摘要
应用阵列电极研究了碳钢油气输送管道在沉积物下咪唑啉缓蚀剂的缓蚀效果。沉积物采用在硫化氢和二氧化碳混合气体环境下生成的腐蚀产物FeS和FeCO_3、硫、砂粒和具有吸附效果的粘土等固体物质按一定比例的混合物。腐蚀介质为CO_2饱和的油气田产出水。通过电化学测试和表面形貌分析,获得沉积物覆盖下电位、电流分布图以及表面形貌。研究表明,砂粒、粘土沉积物稍微抑制碳钢的腐蚀。硫化亚铁、碳酸亚铁一定程度上加速了碳钢的腐蚀。而升华硫和混合物沉积物则大大加速碳钢的腐蚀,混合沉积物中升华硫对碳钢腐蚀起着主要作用。阵列电极电位电流分布图显示混合沉积物覆盖的电极作为阳极而无沉积物覆盖的电极作为阴极。混合沉积物覆盖的电极发生严重的腐蚀。添加缓蚀剂后,无沉积物覆盖的电极腐蚀速率明显减小,而沉积物覆盖的电极的腐蚀速率也有所下降,但下降的程度较小。缓蚀剂对碳钢沉积物下的腐蚀具有一定抑制作用。
引文
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[16]王凤平,李晓刚.含硫原油加工过程中的硫腐蚀[J].石油化工腐蚀与防护,2001,18(6):35-38.
[17]文质彬,张雷,夏青.温度及硫沉积量对单质硫腐蚀行为的影响[J].第七届海峡两岸材料腐蚀与防护研讨会,2010.
[18]于凤昌.原油中不同硫化物的腐蚀研究[J].石油化工腐蚀与防护,2011,28(2):4-6.
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[2]陆柱,郑士忠.油田水处理技术[M].北京石油工业出版社,1992:138.
[3]Salama M M.Influence of sand production on design and operations of piping systems[C]//NACE Corrosion/2000,Paper No.080.
[4]Smith J P,Gilbert I H,Kidder R W,et al.Inhibition of CO_2 corrosion in multiphase flow and solids production[C]//NACE Corrosion/2001,Paper No.029.
[5]Horsup D I,Clark J C,Bernard P,et al.I put it in,but where does it go?-the fate of corrosion inhibitors in multiphase systems[C]//NACE Corrosion/2007,Paper No.617.
[6]Pedersen A,Bilkova K,Gulbrandsen E,et al.CO_2corrosion inhibitor performance in the presence of solids:test method development[C]//NACE Corrosion/2008,Paper No.632.
[7]Durnie W H,Gough M A,de Reus J A M.Development of corrosion inhibitors to address under deposit corrosion in oil and gas produciton systems[C]//NACE Corrosion/2005,Paper No.290.
[8]Turnbull A,Hinds G,Cooling P,et al.A multi-electrode approach to evaluating inhibition of under deposit corrosion in CO_2 environments[C]//NACE Corrosion/2009,Paper No.445.
[9]Anette Pedersen,Katerina Bilkova,Egil Gulbrandsen.CO2 Corrosion inhibitor performance in the presence of solids:test method development[C]//NACE Corrosion/2008,Paper No.08632.
[10]Yongjun Tan,Young Fwu,Kriti Bhardwaj.Electrochemical evaluation of under-deposit corrosion and its inhibition using the wire beam electrode method[J].Corrosion Science,2011,53:1254-1261.
[11]Sarah Standlee,K.Daniel Efird,Derek Spiller,Efird Corrosion Int'l,Inc.under deposit corrosion from iron sulfide[C]//NACE Corrision/2011,Paper No.11266.
[12]Huibin Xue,Frank Y Cheng.Internal pitting corrosion of X80 pipeline steel under deposited sand bed in CO_2-saturated solutions[C]//NACE Corrision/2011,Paper No.11264.
[13]Jenny Been,Place T D,Brendan Crozier.Development of a test protocol for the evaluation of under deposit corrosion inhibitors in large[C]//NACE Corrosion/2011,Paper No.11263.
[14]Zhong Qingdong,ShuYude,Jiang Hanying.Relation between electrochemical heterogeneity of rustproof oil-film and its protection[J].Zhongnan Industrial University,1995,26(6):834-836.
[15]Zhang Huamin,Qiu Yubin.Study on local corrosion caused by sodium nitro-benzoate using wire beam electrodes[J].Oilfield Chemistry,1996,13(2):165-168.
[16]王凤平,李晓刚.含硫原油加工过程中的硫腐蚀[J].石油化工腐蚀与防护,2001,18(6):35-38.
[17]文质彬,张雷,夏青.温度及硫沉积量对单质硫腐蚀行为的影响[J].第七届海峡两岸材料腐蚀与防护研讨会,2010.
[18]于凤昌.原油中不同硫化物的腐蚀研究[J].石油化工腐蚀与防护,2011,28(2):4-6.
[19]涂怡然,刘家海.催化裂化汽油铜片腐蚀不合格原因及解决措施[J].炼油技术与工程,2008,38(10):43-46.
[20]Zhang G A,Cheng Y F.Corrosion of X65 steel in CO_2-saturated oilield formation water in the absence and presence of acetic acid[J].Corrosion Science,2009(51):1589-1595.