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Applying the Dynamic Two-Step Method to Forecast Remaining Oil Distribution of Lower Series, Xiaermen Oilfield
作者姓名:周红  汤传意  李增辉
作者单位:Faculty of Earth Resources China University of Geosciences Wuhan430074 China,Faculty of Earth Resources China University of Geosciences Wuhan430074 China,The Xianhe Oil Production Plant Shengli Oilfield Co . Ltd. SINOPEC Dongying257068 China
摘    要:INTRODUCTIONThe distribution of remaining oil is often de-scribed qualitatively .The remaining oil distributedinthe whole reservoir is calculated according to thecharacteristics of the space distribution of the satura-tion of remaining oil . Logging data are required toaccomplish this . However , many such projects can-not be completed.This method of studyingremainingoil distribution cannot be quantified efficiently and isunable to provide an effective quantitative forecast ofthe distribu…

关 键 词:石油  油田  剩余油  流动单元  地质条件
收稿时间:2005-09-30
修稿时间:2005-12-28

Applying the Dynamic Two-Step Method to Forecast Remaining Oil Distribution of Lower Series, Xiaermen Oilfield
Zhou Hong,Tang Chuanyi,Li Zenghui.Applying the Dynamic Two-Step Method to Forecast Remaining Oil Distribution of Lower Series, Xiaermen Oilfield[J].Journal of China University of Geosciences,2006,17(1):65-70.
Authors:Zhou Hong  Tang Chuanyi  Li Zenghui
Institution:1. Faculty of Earth Resources, China University of Geosciences, Wuhan 430074, China;2. The Xianhe Oil Production Plant, Shengli Oil field Co. Ltd., SINOPEC, Dongying 257068, China;1. Dept. of Geological, Jackson School of Geosciences, Sciences University of Texas at Austin, 2275 Speedway Stop C9000, Austin, TX, USA;2. Department of Geological Sciences, Brown University, Providence, RI, 02912, USA;1. Department of Mechanical Engineering, Semnan Branch, Islamic Azad University, Semnan, Iran;2. Young Researchers and Elite Club, Arak Branch, Islamic Azad University, Arak, Iran;1. College of Mathematics, Physics and Information Engineering, Jiaxing University, Jiaxing 314001, China;2. College of Engineering, Shaoxing University, Shaoxing 312000, China;1. School of Resource and Safety Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China;2. State and Local Joint Engineering Laboratory for Gas Drainage & Ground Control of Deep Mines, Henan Polytechnic University, Jiaozuo, Henan 454001, China;3. Changsha Engineering & Research Institute Ltd. of Nonferrous Metallurgy, Changsha, Hunan 410001, China;1. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China;2. Deep Earth Energy Laboratory, Department of Civil Engineering, Monash University, Building 60, Melbourne 3800, Victoria, Australia;1. Department of Science, University of Basilicata, Italy;2. Reservoir Characterization Project, Italy;3. School of Science and Technology, University of Camerino, Italy;4. Department of Earth Sciences, University of Turin, Italy;5. British Geological Survey, Rock Mechanics and Physics Laboratory, Nottingham, United Kingdom
Abstract:The distribution of remaining oil is often described qualitatively. The remaining oil distributed in the whole reservoir is calculated according to the characteristics of the space distribution of the saturation of remaining oil. Logging data are required to accomplish this. However, many such projects cannot be completed. Since the old study of remaining oil distribution could not be quantified efficiently, the "dynamic two-step method" is presented. Firstly, the water cut of every flow unit in one well at one time is calculated according to the comprehensive water cut of a single well at one time. Secondly, the remaining oil saturation of the flow unit of the well at one time is calculated based on the water cut of the flow unit at a given time. The results show that "dynamic two-step method" has characteristics of simplicity and convenience, and is especially suitable for the study of remaining oil distribution at high water-cut stage. The distribution of remaining oil presented banding and potato form, remaining oil was relatively concentrated in faultage neighborhood and imperfect well netting position, and the net thickness of the place was great. This proposal can provide an effective way to forecast remaining oil distribution and enhance oil recovery, especially applied at the high water-cut stage.
Keywords:dynamic two-step method  flow unit  quantitative forecast  remaining oil  
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