ISSN 0253-2778

CN 34-1054/N

open
Open AccessOpen Access JUSTC

Study on the heterogeneous characterization method of the internal sedimentary cycle in sand-gravel body reservoir

Cite this: JUSTC, 2014, 44(11): 933-942
https://doi.org/10.3969/j.issn.0253-2778.2014.11.008
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  • Received Date: April 29, 2014
  • Revised Date: October 26, 2014
  • Published Date: November 29, 2014
  • On the basis of the permeability curve of a single sedimentary cycle of the single well, a new heterogeneous characterization method of the internal sedimentary cycle in sand-gravel body reservoir was presented, which was named permeability curve method. First, the fundamental concepts were defined in the permeability curve of a single sedimentary cycle of the single well in sand-gravel body reservoir, which included base line, protrusion and protrusion area. Second, the heterogeneous characterization parameters A and B were founded. Thirdly, four theoretical models were built with the order of increasing heterogeneity. Fourthly, using the four theoretical models and other static, dynamic parameters such as reserves abundance and initial production of a single well, the comprehensive evaluation system which could characterize the heterogeneity of the internal sedimentary cycle in sand-gravel body reservoir was established. The case research results prove that, compared with the traditional parameter characterization method, the permeability curve method has significant advantages in heterogeneous characterization and effectiveness evaluation of reservoir.

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