

Author: Liu J.-Y. Yang S. Feng Y.-Q. Feng W.
Publisher: Taylor & Francis Ltd
ISSN: 1091-6466
Source: Petroleum Science and Technology, Vol.31, Iss.23, 2013-12, pp. : 2548-2554
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Abstract
The study was aimed at carefully describing the geological characteristics of analogy reservoirs. By researching the geological characteristics of 199 SEC analogy reservoirs and summarizing the types of analogy reservoirs in Jilin oilfield, the authors have carefully depicted the geological characteristics of analogy reservoirs such as effective thickness, porosity, permeability, oil saturation, oil density, the viscosity of underground crude oil, and recovery. To sum up, there are eight types of SEC analogy reservoirs in Jilin oilfield and their reservoirs are respectively sandstone reservoir, fractured reservoir, and volcanic reservoir, whose porosity and permeability range from middle to low position, effective thickness is between 2.8 and 36.3 m, oil saturation is distributed from 47% to 65%, and crude oil is mainly about light and intermediate oil belonging to conventional oil.
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