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《Journal of Chongqing University of Science and Technology(Natural Sciences Edition)》 2017-04
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Study on Subdivision Water Injection Policy of Low Permeability Conglomerate Reservoir Based on the Research of Single Sand Body

ZHU Yating;Research Institute of Exploration and Development,PetroChina Xinjiang Oilfield Company;  
The instantaneous extent of cross section is low in reservoirs with large span and small layer,so it is difficult to meet the requirements of fine water injection.Taking low permeability conglomerate reservoir of Bai 21 Oilfield,Kexia Formation as our research target in Xinjiang Oilfield,based on the study of single sand body and dynamic production characteristics,the characteristics of different types of sand body water absorption thickness and the number of used layers are studied.Combined with the numerical simulation of typical well group in reservoirs,the permeability difference of dispensing under the reasonable injection production limit index is determined and the dispensing level is also improved.This is used as a reference standard,and the effect of injection is significantly improved after the implementation of the adjustment.
【Key Words】: single sand body low permeability conglomerate subdivision water injection injection policy
【Fund】: 中国石油天然气股份有限公司科技重大专项“砂砾岩油藏提高采收率技术研究与应用”(2012E-34-07)
【CateGory Index】: TE357.6
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