Study on Anticorrosion Technique of CO2 Flooding Well in Yushulin Oilfield

Yun Bo Bao

doi:10.4028/www.scientific.net/AMR.651.453

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 651Study on Anticorrosion Technique of CO2 Flooding...

Study on Anticorrosion Technique of CO₂ Flooding Well in Yushulin Oilfield

Abstract:

Recently, in order to solve the problems that most of injection water explorations faced with further enhance oil recovery and the scarcity of water resources, the CO₂ flooding technology is widely developed and applied in the oilfield. As the EOR technology, the CO₂ flooding has been widely used all over the world, which is characterized by wide application scope, high displacement efficiency and low cost. But, various pipelines and equipments suffered a severe CO₂ corrosion in the exploitation and transportation process. So a scheme of reducing t_{Subscript text}he corrosion rate of pipe and improving the service life of the pipe string effectively should be put forward to ensure the CO₂ flooding field test smoothly running. In this paper, Yushulin oilfield is took as the practical background, and the influence of CO₂ partial pressure, temperature, flow rate, PH and other factors on CO₂ corrosion rate is analyzed. Finaly, the corrosion condition of CO₂ flooding well in Yushulin oilfield is determined and corrosion protection methods are presented by combining theoretical prediction and field monitoring.

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Periodical:

Advanced Materials Research (Volume 651)

Pages:

453-457

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.651.453

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Online since:

January 2013

Authors:

Yun Bo Bao

Keywords:

CO₂ Flooding, Corrosion Mechanism, Corrosion Rate, Influencing Factor

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