CO<sub>2</sub> Corrosion in Oil and Gas Exploration and Production Environments

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  • 油井環境における炭酸ガス腐食について
  • ユセイ カンキョウ ニ オケル タンサンガス フショク ニ ツイテ

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<p>It is important to study the CO2 corrosion behavior in CCS operation which applies the CO2 injection. In Oil and Gas exploration and production environments, reservoirs may contain acid gases such as CO2, and the corrosion environments would become harsh for OCTG and linepipe. In this paper, the research work on CO2 corrosion and its countermeasure is reviewed. CO2 corrosion can be characterized by its relatively high corrosion rate and localized corrosion (ringworm corrosion). It is also recognized that the corrosion behavior depends on the environmental factors such as partial pressure of CO2 and temperature, and also the effect of flow velocity is remarkable. The addition of Cr as an alloying element is effective to mitigate the CO2 corrosion, therefore, stainless steels such as Super 13Cr have been widely applied, as OCTG and linpipe.</p>

Journal

  • Corrosion Engineering

    Corrosion Engineering 65 (8), 326-332, 2016

    Japan Society of Corrosion Engineering

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