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首页> 外文会议>Eurocorr 2004 >Oilfield Chemicals Synergistic Effects on the Corrosion Rate of L-80 Steel in Seaand Formation Waters
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Oilfield Chemicals Synergistic Effects on the Corrosion Rate of L-80 Steel in Seaand Formation Waters

机译：油田化学品对L-80钢在海域和地层水中腐蚀速率的协同作用

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摘要

The corrosion rate of tubular grade L-80 carbon steel under downhole conditions of a northern oilfield of Kuwait was investigated. This was done using the injection seawater, formation water and a50:50 mixture of both waters in the presence of commercially available corrosion inhibitor, scaleinhibitor, and biocide products separately and in combination with each other. The main objectiveof this study was to investigate the effect of the corrosion inhibitor and its interaction with the scaleinhibitor and the biocide, as seen in the corrosion rate of L80 carbon steel. This was done using themanufacturers' recommended dosage levels of the corrosion inhibitor, scale inhibitor and biocide.The corrosion rates were measured by linear polarization. Tests were conducted using the rotatingcylinder electrode method with rotational speeds of 1000 and 2000 rpm at 80℃. The seawaterresults indicated that the corrosion-scale inhibitor and biocide-scale inhibitor combinations providedthe best protection at both rotation speeds. In formation water, the effects of rotation speed weremore apparent with higher corrosion rates of L-80 carbon steel accompanying higher shear forces.In the 50:50 mix waters and the formation water, the corrosion-scale inhibitors-biocide combinationprovided the best protection at both rotational speeds under downhole conditions of a northern oilfield of Kuwait.
机译：研究了科威特北部油田井下条件下管状L-80碳素钢的腐蚀速率。使用注入海水，地层水和两种水的50:50混合物，分别在市售的缓蚀剂，阻垢剂和杀生物剂产品中并相互结合进行。这项研究的主要目的是研究腐蚀抑制剂的作用及其与阻垢剂和杀生物剂的相互作用，从L80碳钢的腐蚀速率可以看出。这是使用制造商建议的腐蚀抑制剂，阻垢剂和杀生物剂的剂量水平完成的。腐蚀速率通过线性极化测量。使用旋转圆柱电极法在80℃下分别以1000和2000 rpm的转速进行测试。海水结果表明，在两种转速下，防腐蚀剂和杀生物剂抑制剂的组合均能提供最佳保护。在L-80碳钢伴随着较高剪切力的较高腐蚀速率下，在地层水中旋转速度的影响更加明显。在50:50混合水和地层水中，缓蚀阻垢剂和杀菌剂的组合在以下条件下提供了最佳的保护作用：在科威特北部油田井下条件下的两种转速。

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  • 来源
    《Eurocorr 2004》|2004年|1-10|共10页
  • 会议地点 Nice(FR)
  • 作者

    A. Al Hashem; J. Carew; A. Al-Borno;

  • 作者单位

    Petroleum Research & Studies CenterKuwait Institute for Scientific ResearchP.O.Box 2488513109 Safat Kuwaitahashem@prsc.kisr.edu.kw;

    Petroleum Research & Studies CenterKuwait Institute for Scientific ResearchP.O.Box 2488513109 Safat Kuwait;

    Charter Coating Service (2000) Ltd.#6 4604 – 13 Street N.E.Calgary AB T2E 6P1 Canadaaalborno@chartercoating.com;

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  • 关键词

    Water injection; seawater; formation water; water treatment chemicals;

    机译：注水；海水;地层水水处理化学品;

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