Online published: 2011-08-20
Based on statistics of core and well log data, parameters of variation coefficient, dash coefficient and differential are calculated to carry out the study on the heterogeneity of layer, interlayer and areal heterogeneity of Chang 2 reservoir. The sand sets of Chang 2 reservoir are mainly of distributary channel sand bodiesin delta plain, and the layer heterogeneity is weak. There are many single sand bodies inside the reservoir, mud interbeds and barriers developed, and layer heterogeneity is relatively strong. In the plane, the reservoir heterogeneity in the distributary channel is weak and it is strong in the levee, crevasse splay and swamp. It is considered that Chang 2 reservoir in Dingbian area is of moderate heterogeneity.
HUA Caixia , LI Xiaogang , ZANG Suhua . Heterogeneity of Chang 2 reservoir in Dingbian area, Ordos Basin[J]. Lithologic Reservoirs, 2011 , 23(4) : 70 -74 . DOI: 10.3969/j.issn.1673-8926.2011.04.012
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