Miao Jian , Yuan Juntao , Han Yan , Xu Xiuqing , Li Lei , Wang Ke
{"title":"添加元素硫后P110油管钢在co2饱和模拟油田地层水中的腐蚀行为","authors":"Miao Jian , Yuan Juntao , Han Yan , Xu Xiuqing , Li Lei , Wang Ke","doi":"10.1016/S1875-5372(18)30166-8","DOIUrl":null,"url":null,"abstract":"<div><p>With continuously growing oil and gas demand, exploitation of highly sour reservoirs brings large corrosion risks due to the coupling effects of corrosive factors including elemental sulfur, CO<sub>2</sub>, and formation water. In the present work, corrosion behavior of P110 tubing steel in simulated oilfield formation water containing elemental sulfur and CO<sub>2</sub> was investigated by immersion tests and electrochemical measurements. The results indicate that increasing temperature accelerates the corrosion rate of P110 tubing steel, promotes the formation of iron sulfide, and causes serious pitting corrosion. However, influence of temperature varies in different temperature range mainly due to the different corrosion-controlling species like CO<sub>2</sub> at low temperatures and elemental sulfur at high temperatures. Based on the results, the coupling effects of elemental sulfur and carbon dioxide were discussed.</p></div>","PeriodicalId":21056,"journal":{"name":"稀有金属材料与工程","volume":"47 7","pages":"Pages 1965-1972"},"PeriodicalIF":0.6000,"publicationDate":"2018-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1875-5372(18)30166-8","citationCount":"12","resultStr":"{\"title\":\"Corrosion Behavior of P110 Tubing Steel in the CO2-saturated Simulated Oilfield Formation Water with Element Sulfur Addition\",\"authors\":\"Miao Jian , Yuan Juntao , Han Yan , Xu Xiuqing , Li Lei , Wang Ke\",\"doi\":\"10.1016/S1875-5372(18)30166-8\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>With continuously growing oil and gas demand, exploitation of highly sour reservoirs brings large corrosion risks due to the coupling effects of corrosive factors including elemental sulfur, CO<sub>2</sub>, and formation water. In the present work, corrosion behavior of P110 tubing steel in simulated oilfield formation water containing elemental sulfur and CO<sub>2</sub> was investigated by immersion tests and electrochemical measurements. The results indicate that increasing temperature accelerates the corrosion rate of P110 tubing steel, promotes the formation of iron sulfide, and causes serious pitting corrosion. However, influence of temperature varies in different temperature range mainly due to the different corrosion-controlling species like CO<sub>2</sub> at low temperatures and elemental sulfur at high temperatures. Based on the results, the coupling effects of elemental sulfur and carbon dioxide were discussed.</p></div>\",\"PeriodicalId\":21056,\"journal\":{\"name\":\"稀有金属材料与工程\",\"volume\":\"47 7\",\"pages\":\"Pages 1965-1972\"},\"PeriodicalIF\":0.6000,\"publicationDate\":\"2018-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/S1875-5372(18)30166-8\",\"citationCount\":\"12\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"稀有金属材料与工程\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1875537218301668\",\"RegionNum\":4,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"稀有金属材料与工程","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1875537218301668","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
Corrosion Behavior of P110 Tubing Steel in the CO2-saturated Simulated Oilfield Formation Water with Element Sulfur Addition
With continuously growing oil and gas demand, exploitation of highly sour reservoirs brings large corrosion risks due to the coupling effects of corrosive factors including elemental sulfur, CO2, and formation water. In the present work, corrosion behavior of P110 tubing steel in simulated oilfield formation water containing elemental sulfur and CO2 was investigated by immersion tests and electrochemical measurements. The results indicate that increasing temperature accelerates the corrosion rate of P110 tubing steel, promotes the formation of iron sulfide, and causes serious pitting corrosion. However, influence of temperature varies in different temperature range mainly due to the different corrosion-controlling species like CO2 at low temperatures and elemental sulfur at high temperatures. Based on the results, the coupling effects of elemental sulfur and carbon dioxide were discussed.
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