Oil Saturation Boundary for Partial Oil and Partial Water Recognition in the Oil-Water Transition Zone

LIU Jiyu, WU Jinyang, GAI Siming, WU Bing, WU Yansong


With the development of oilfield, the oil reserves in oil-water transition zone has become a significant part of comprehensive reserves gradually. Especially the partial oil layer of oil-water transition zone has potential exploitation. But how to identify partial oil layer has become a difficulty in the development planning of the oil-water transition zone. Over the years, there has been little research on the oil-water transition. The oil saturation boundaries for partial oil and partial water recognition are mainly studied in this paper. Two major approaches, theoretical calculation methods and cumulative probability curve have been applied to the study. That will provide the basis for further perforation development and dynamic adjustment.
Key words: The oil-water transition zone; Partial oil layer; Oil saturation; Theoretical calculation methods; Cumulative probability curve


The oil-water transition zone; Partial oil layer; Oil saturation; Theoretical calculation methods; Cumulative probability curve

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DOI: http://dx.doi.org/10.3968/j.aped.1925543820130601.1676


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