The Characteristics of the Dominant Flow Channel Using Ma20 Block in the Liaohe Oilfield as an Example
Abstract
The existence of the dominant flow channel caused the oil field recovery efficiency low, the rising cost of production and the development benefit drop, which brought great pressure to oilfield development, so the study of the characteristics of the dominant flow channel is increasingly urgent. According to the geologic features and the production process of long-term water injection development in the Ma20 block of the Liaohe oilfield, reservoir heterogeneity is the root cause of forming the dominant flow channel. The characteristics of the dominant flow channel in the process of water injection were analyzed. By analyzing the performance characteristics of the dominant flow channel in the dynamic production data, electrical, static and so forth, the dominant flow channel was determined to guide water injection development of oilfield and provide the basis for the research of other dominant flow channel of high water-cut stage reservoir.
Key words: The dominant flow channel; Development benefit; Geologic features; Heterogeneity; Development of water injection
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DOI: http://dx.doi.org/10.3968/6827
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