收稿日期: 2009-10-15
修回日期: 2010-01-11
网络出版日期: 2010-06-10
基金资助
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Division of Reservoir Flow Unit and Its Application
Received date: 2009-10-15
Revised date: 2010-01-11
Online published: 2010-06-10
Supported by
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储层流动单元划分是进行已开发油田剩余油分布研究的重要方法。由于我国东部某油田某区块受沉积环境、成岩作用和构造因素的综合影响，储层非均质性强，井间和层间矛盾突出，综合含水差异较大，流动层带复杂等问题，在储层流动单元划分中应从多方面考虑。通过主因子分析从能够反映沉积环境、成岩作用、构造因素、岩石微观孔隙结构和储层物性等18个参数中优选出符合研究区实际的地层流动带指数、砂地比、渗透率、孔隙度、渗透率突进系数、渗透率均值系数和隔夹层分布密度等7个参数，作为流动单元划分依据，建立判识函数。将研究区流动单元划分为3类，并指出Ⅱ类流动单元分布区具有较好的剩余油开发潜力，划分的结果与沉积微相展布及实际开发状况吻合较好。
王志章, 何刚 . 储层流动单元划分方法与应用[J]. 天然气地球科学, 2010 , 21(3) : 362 -366 . DOI: 10.11764/j.issn.1672-1926.2010.03.362
The division of reservoir flow unit is an important method in the development of remaining oil. A block of an oilfield in the eastern China is characterized as the feature of reservoir heterogeneity, complexity of produced layers between wells, difference of integrated water and complex flow zone under function of depositional environment, diagenesis and structural activity. We setup the sub\|consciousness function, based on 7 parameters of formation fluid factor, sandy ratio, permeability, porosity, onrush coefficient, permeability coefficient, and distribution density of mean interlayer. These 7 parameters are selected from 18 candidate parameters to indicate the depositional environment, diagenesis, tectonic factor, rock microscopic pore structure and reservoir physical property. The reservoir flow unit in the study area is divided into three types. We consider that the type Ⅱflow unit has the good potential for the remaining oil development. The reservoir flow unit division is well fitted with the actual development of remaining oil.
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