Journal of Jilin University(Earth Science Edition) ›› 2012, Vol. 42 ›› Issue (6): 1601-1609.

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Reservoir Geological Model of Lithological Reservoir of Chang 63 in Heshui Area, Ordos Basin

Bai Ru1, Zhang Jin-gong1, Li Wei2   

  1. 1.National Key Laboratory of Continental Dynamics/ Department of Geology,Northwest University, Xi’an710069, China;
     2.Xi’an Center of Geological Survey, China Geological Survey, Xi’an710054, China
  • Received:2011-03-15 Online:2012-12-26 Published:2012-11-26

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Abstract: According to the need of exploration and development in Heshui area of Ordos basin, a reservoir geological model of Chang 63 was established and then analyzed the controlling factors of physical properties of lithological reservoir. The study used synthetic methods, logging technique, theories of geostatistics and stochastic methods of sequence Guass simulation, startedfrom basic geologic researches including reservoir characteristics and sedimentary characteristics. The results indicate that the Chang 63 sand body developedin the middle and east of region. It is successional along provenance direction and the continuity is bad along vertical orientation. The distribution area of porosity and permeability is similar to the sand body, and the area of permeability is smaller than porosity. Besides the effect of sedimentary process, diagenesis is very important to reservoir parameter distribution. The advantaged reservoir is distributed in the area of chlorite film cementation-feldspar dissolution and chlorite film cementation. The oil production of oil well is more than 10 t/d according to the test oil data.

Key words: Ordos basin, area of Heshui, Chang 63reservoir, reservoir geology model, reservoirs

CLC Number: 

  • P618.13
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