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      產品展廳>>項目研發>>縫洞型油藏長時生產數據分析方法研究與軟件開發

      生產數據分析理論的基礎是變流量變壓力的滲流力學理論,提出滿足工程精度要求的滲流力學方程,同時引進一定的假設進行方程的簡化和求解是關鍵。目前國內外均未有成熟的縫洞型油藏生產數據分析研究方法。隨著縫洞型油藏開發深入,在不影響生產的情況下,急需相關的專業軟件對日常生產數據進行解釋分析。

      縫洞型油藏生產數據分析模型研究

      縫洞型儲層滲流模型建立

      流動-波動耦合的特征模型建立

      變壓力變流量的生產數據分析模型建立

      縫洞型油藏生產數據分析方法研究

      縫洞型油藏生產數據分析無量綱參數定義及無量綱方程建立

      縫洞型油藏生產數據分析數學方程求解

      對無量綱方程進行Laplace變換,并在Laplace空間中求解,得到無量綱井底壓力的理論解

      縫洞型油藏典型曲線圖版及生產數據分析方法研究

      根據得到的無量綱井底壓力解,在雙對數坐標系中繪制典型曲線圖版,提出縫洞型油藏生產數據分析方法

      縫洞型油藏生產數據分析軟件研發

      縫洞型油藏生產數據分析軟件編程

      縫洞型油藏生產數據分析軟件集成與測試

      目前國內外均沒有成熟的生產數據分析方法,現有的生產數據分析分析軟件也沒有專門的縫洞型油藏生產數據分析模型。我公司針對縫洞型油藏展開研究,提出了生產數據分析方法,并提出了基于累積量時間的概念,代替物質平衡時間,可以有效的解決橫坐標不單調的問題。同時,針對生產過程中存在中頻繁開關井的問題,提出了基于虛擬等效時間的概念,大大提高擬合質量,給出合理的擬合結果及未來產能預測。

      Products>>Project Development>>Research and Software Development of Long-Term Production Data Analysis Method for Fracture-Vuggy Reservoir

      The base theory of production data analysis based on variable flow rate and pressure seepage mechanics theory, put forward the seepage mechanics equation satisfied the requirements of engineering precision, and introduce certain assumptions to simplify and solve the equation is the key. At present, both domestic and foreign havn’t mature analysis and research methods for fracture-vuggy reservoir production data. With the development of the fracture-vuggy reservoir, there is an urgent need for relevant professional software to explain and analyze the daily production data without affecting the production.

      This project is based on the flow-fluctuate coupling model, based on which the variable flow and pressure production data analysis model and interpretation method are proposed.

      Research on production data analysis model of fracture-vuggy reservoir: flow model of fracture-vuggy reservoir; characteristic model of flow-fluctuate coupling; production data analysis model of variable pressure and flow are built.

      Research on analysis method for production data in fracture-vuggy reservoir: definition of dimensionless parameters and establishment of dimensionless equation for production data analysis in fracture-vuggy reservoir; Solution of mathematical equation for production data analysis in fracture-vuggy reservoir: Laplace transformation of dimensionless equation and solution in Laplace space, theoretical solution for dimensionless bottom-hole pressure is obtained; Research on fracture-vuggy reservoir typical curve plate and production data analysis method: according to the theoretical solution of dimensionless bottom-hole pressure, plot the typical curve plate in log-log coordinate system and suggest the analysis method of fracture-vuggy reservoir production data analysis.

      R&D of production analysis software for fracture-vuggy reservoir production; programming data analysis software for fracture-vuggy reservoir production, integrating and testing data analysis software for fracture-vuggy reservoir production.

      At present, there is no mature production data analysis method in domestic and foreign, and the existing production data analysis software also does not have a special production data analysis model of fracture-vuggy reservoir. Our company research the fracture-vuggy reservoir, put forward analysis method of production data analysis and the concept of accumulated time, the accumulated time can replace the material balance time and solve the problem that x axis does not coordinate. At the same time, according to existing problem of frequent shut in and open well in production process. the concept based on the virtual equivalent time is put forward, the simulation quality is greatly improved, and reasonable simulation results and future capacity prediction are given.

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