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Research on Influencing Factors and Parameters Optimization of Downhole Water Sink in Reservoir with Bottom Water

Author: YuanLing
Tutor: ZhangYanYu
School: China University of Petroleum
Course: Oil and Gas Field Development Project
Keywords: Bottom water reservoir Numerical Simulation Drainage oil production Parameter optimization
CLC: TE349
Type: Master's thesis
Year: 2011
Downloads: 93
Quote: 1
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Abstract


The biggest problem facing the bottom water reservoir water coning and water coning oil well earlier water production plummeted and rapid increase in water content, and result in increased water treatment costs and development costs increased. Therefore, the development of key technologies of the bottom water reservoir inhibiting water coning maximizes wells anhydrous uniform and bottom water oil production and control flooding, in order to achieve the purpose of improve bottom water reservoir development. To reduce the growth rate of the moisture content to restore and improve the well production, to carry out the end drainage oil production control water coning technology will fundamentally solve the water coning new development ideas and provide for the rapid and efficient development of bottom water reservoir development methods. This article on the basis of extensive literature research the Hutubi and reservoir in field trials, using the law as well as the parameters of the numerical simulation of drainage oil recovery technology influencing factors to optimize the design study. First numerical reservoir simulation model, based on the basic geology of the reservoir history matching, research and analysis of the distribution of the remaining oil reservoirs, in order to determine the remaining oil is relatively rich region, and provide direction for further tap the potential. Then the interception of a typical single well drainage oil recovery influencing factors, including the impact of factors including vertical and horizontal permeability ratio characteristic parameters of reservoir geology, the location and size of the development interbeds, and the size of the bottom water and drainage and gas process parameters oil well perforation position and open degree of drainage layers, drainage speed and fluid production rate, in addition to the oil-water viscosity ratio, well bottomhole pressure wells flowing bottom hole pressure and drainage timing of drainage oil production regularity. Oil Recovery Factors Influencing the basis of a single well drainage tired oil production from the preferred indicators, the use of orthogonal design method to obtain the optimal drainage oil production parameters of the program, to predict contrast parameter optimization program developed indicators. In a single well water cone Dynamic Laws of the basis of the single well drainage speed under various stages of development and different work systems to optimize and improve into drainage oil recovery rate typical Plate. Screening analysis on the basis of the single well drainage oil extraction Factors Influencing the typical well group Note row scale optimization study, preferably a reasonable amount of drainage speed, optimized speed and injection rate of fluid production, and program development indicators and the remaining oil distribution forecast.

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CLC: > Industrial Technology > Oil and gas industry > Oil and gas development and mining > Oil field development ( reservoir engineering ) > Other types of oil field development
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