Asphaltene Deposition Forecasting Methods

Yan Xing Zhang; Xiang Fang Li; Jia Li

doi:10.4028/www.scientific.net/AMR.616-618.789

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 616-618Asphaltene Deposition Forecasting Methods

Asphaltene Deposition Forecasting Methods

Abstract:

Asphaltene deposition problems occurred in many oil fields in worldwide, which maybe block up wellbore, damage the permeability of reservoir and decline oil productivity. There are many factors to result asphalthene deposition problems, which contain crude component, pressure, temperature and so on. However, it cannot prevent asphaltene deposition problems completely by keeping formation pressure higher than bubble pressure based on the research. Studying the deposition affecting factors, determining the deposition occurring conditions and depth are the basis to resolve the problems. This paper presents the key factor of affecting asphaltene deposition, and based on near infrared measurement, shows the asphaltene deposition envolope curve to forecast the pressure, temperature and depth in tube when the asphaltene deposition happened. The paper also provides methods to calculate the lowest production rate to carry the asphaltene solids to surface and forecast the deposition depth.

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Periodical:

Advanced Materials Research (Volumes 616-618)

Pages:

789-795

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.616-618.789

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Online since:

December 2012

Authors:

Yan Xing Zhang, Xiang Fang Li, Jia Li

Keywords:

Asphaltene Deposition, Forecast Method, Solids Carrying Capability

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