赵顺超,戚亚东,陈华兴,吴华晓,方涛.金县1-1水源井缓蚀阻垢剂筛选的实验研究[J].装备环境工程,2021,18(1):91-97. ZHAO Shun-chao,QI Ya-dong,CHEN Hua-xing,WU Hua-xiao,FANG Tao.Experimental Study on the Selection of Corrosion and Scale Inhibitors for Jinxian 1-1 Water Source Well[J].Equipment Environmental Engineering,2021,18(1):91-97.
金县1-1水源井缓蚀阻垢剂筛选的实验研究
Experimental Study on the Selection of Corrosion and Scale Inhibitors for Jinxian 1-1 Water Source Well
投稿时间:2020-10-16  修订日期:2020-11-20
DOI:10.7643/issn.1672-9242.2021.01.014
中文关键词:  H2S腐蚀  垢下腐蚀  缓蚀剂  阻垢剂中图分类号:TG174.42 文献标识码:A 文章编号:1672-9242(2021)01-0091-07
英文关键词:H2S corrosion  corrosion under scale  corrosion inhibitor  scale inhibitor
基金项目:“十三五”国家科技重大科技专项(2016ZX05058-003-020);渤海水源井油套管防腐技术研究(2020ZYZL-ZC01)
作者单位
赵顺超 中海石油中国有限公司天津分公司渤海石油研究院,天津 300452 
戚亚东 中海石油中国有限公司天津分公司渤海石油研究院,天津 300452 
陈华兴 中海石油中国有限公司天津分公司渤海石油研究院,天津 300452 
吴华晓 中海石油中国有限公司天津分公司渤海石油研究院,天津 300452 
方涛 中海石油中国有限公司天津分公司渤海石油研究院,天津 300452 
AuthorInstitution
ZHAO Shun-chao Bohai Oil Research Institute, Tianjin Branch of CNOOC China Limited, Tianjin 300452, China 
QI Ya-dong Bohai Oil Research Institute, Tianjin Branch of CNOOC China Limited, Tianjin 300452, China 
CHEN Hua-xing Bohai Oil Research Institute, Tianjin Branch of CNOOC China Limited, Tianjin 300452, China 
WU Hua-xiao Bohai Oil Research Institute, Tianjin Branch of CNOOC China Limited, Tianjin 300452, China 
FANG Tao Bohai Oil Research Institute, Tianjin Branch of CNOOC China Limited, Tianjin 300452, China 
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中文摘要:
      目的 解决金县1-1油田井下管柱腐蚀结垢问题。方法 结合金县1-1油田水源井A1W井的实际工况,运用高温高压动态腐蚀测试仪对N80钢进行模拟井筒条件实验,明确A1W井含H2S的水对N80钢的腐蚀性和结垢性。运用室内实验分别对三种缓蚀剂和五种阻垢剂的单剂进行优选,结合扫描电镜对试片表面进行微观形貌分析,筛选出合适的缓蚀剂和阻垢剂的单剂。然后开展缓蚀剂和阻垢剂的单剂配伍性实验,明确缓蚀剂和阻垢剂二者混合后的配伍性以及得出缓蚀剂和阻垢剂的最佳配比。结果 筛选出的AA/AMPS阻垢剂的阻垢率可达84.2%,HS-3缓蚀剂的缓蚀率达到87.3%。缓蚀剂和阻垢剂配伍性和配比实验结果表明,HS-3缓蚀剂和AA/AMPS配伍性较好,当缓蚀剂和阻垢剂按照11:1的配比时,缓蚀率可达87.7%,阻垢率可达94%。结论 优选出的复合缓蚀阻垢剂的防腐阻垢性能,可满足油田腐蚀防垢控制指标。
英文摘要:
      To solve the problem of corrosion and scaling of downhole tubing in Jinxian 1-1 Oilfield. Combining the actual working conditions of the water source well in the Jinxian 1-1 Oilfield, a high temperature and high pressure dynamic corrosion tester was used to simulate the wellbore conditions to further understand the corrosion and scaling of the N80 steel in the H2S-containing water of the A1W well. The method of indoor experiment was used to choose the optimal single inhibitor among three corrosion inhibitors and five scale inhibitors respectively based on analyzing the micro-topography of the surface of specimens with the scanning electron microscope. Finally, carrying out compatibility experiments on the optimized corrosion inhibitors and scale inhibitors to clarify the compatibility after mixing to get the best ratio of corrosion inhibitors and scale inhibitors. The scale inhibition rate of the selected AA/AMPS can reach 84.2%, and the corrosion inhibition rate of the selected HS-3 can reach 87.3%. Compatibility experiment results show that HS-3 and AA/AMPS have better compatibility. When the ratio of corrosion inhibitor and scale inhibitor is 11:1, the corrosion inhibition rate can reach 87.7%, and the scale inhibition rate can reach 94%. The performance of the optimized composite corrosion and scale inhibitor can meet the corrosion and scale control index of oilfield.
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