| 各向异性储层地层测试椭球形流动压降解释模型 |
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| 引用本文： | 关富佳,曹宝军,太东华.各向异性储层地层测试椭球形流动压降解释模型[J].断块油气田,2011,18(1):134-136. |
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| 作者姓名： | 关富佳 曹宝军 太东华 |
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| 作者单位： | 关富佳,Guan Fujia(长江大学湖北省油气钻采工程重点实验室,湖北,荆州,434023;长江大学石油工程学院,湖北,荆州,434023);曹宝军,Cao Baojun(大庆油田有限责任公司勘探开发研究院,黑龙江,大庆,163712);太东华,Tai Donghua(胜利石油管理局钻井工程技术公司,山东,东营,257000) |
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| 基金项目： | 教育部科技发展中;心博士点基金项目-新教师类项目 |
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| 摘 要： | 根据电缆地层测试的压降数据得到大体可靠的储层渗透率参数,为仪器进一步精确测试提供可靠的测试参数,提高测试参数解释精度.基于水平渗透率大于垂向渗透率的基本假设,分析了各向异性储层中地层测试的渗流形态,在此基础上,应用渗流力学理论和坐标变换方法,建立了用于各向异性地层的单探头电缆地层测试椭球形流动压降解释模型.该模型考虑了...
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| 关 键 词： | 电缆地层测试 各向异性 椭球形流动 压降解释模型 |
Pressure drop interpretation model of ellipsoidal flow for formation testing in anisotropic reservoir |
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| Guan Fujia,Cao Baojun,Tai Donghua.Pressure drop interpretation model of ellipsoidal flow for formation testing in anisotropic reservoir[J].Fault-Block Oil & Gas Field,2011,18(1):134-136. |
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| Authors: | Guan Fujia Cao Baojun Tai Donghua |
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| Affiliation: | Guan Fujia Cao Baojun Tai Donghua (1.Key Laboratory for Drilling and Production Engineering of Hubei Province, Yangtze University, Jingzhou 434023, China; 2.School of Petroleum Engineering, Yangtze University, Jingzhou 434023, China; 3.Exploration and Development Research Institute, Daqing Oilfield Co. Ltd, PetroChina, Daqing 163712, China; 4.Drilling Engineering and Technology Company, Shengli Petroleum Administration Bureau, SINOPEC, Dongying 257000, China) |
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| Abstract: | To obtain qtrickly the reservoir permeability parameters by pressure drop data from wireline formation testing, supply a parameter range for further precision testing and guide selecting correct testing parameters, the interpretation accuracy of reservoir parameters must be improved. This paper assumed that reservoir permeability in horizontal direction was greater than that in vertical direction and analyzed the flow shape of wireline formation testing in anisotropic reservoir. Based on this, the pressure drop interpretation model of ellipsoidal flow for formation testing in anisotropic reservoir was build up by seepage mechanics theory and coordinate transformation. This model considered the anisotropic characteristics of actual formation and was corresponded with the actual formation compared with the interpretation model established based on anisotropic reservoir assumption. The pressure drop data from numerical simulation was interpreted by the new model and the result was compared with numerical simulation input parameter The result shows that the new model has a higher interpretation precision than that of the original model and it can supply quick and accuracy parameter for further testing. |
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| Keywords: | wireline formation testing anisotropism ellipsoldal flow pressure drop interpretation model |
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