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产品展厅>>产品销售>>辰工油藏数值模拟系列软件>>辰工油藏数值模拟辅助历史拟合软件 V2.0

辰工油藏数值模拟辅助历史拟合软件是基于ECLIPSE油藏数值模拟器的油藏辅助历史拟合软件,能通过调整油藏参数实现对油藏历史数据的历史拟合。软件实现了高效分层拟合,弥补了ECLIPSE软件的不足之处,使得油气藏历史拟合更精准、更高效。

本软件系针对国内油气田实际情况进行研发,具有开创性,解决了长期以来困扰着ECLIPSE软件的难以分层段拟合的难题,实现了高效、快速分层段历史拟合,建立了基于误差分析导向的历史拟合平台,达成了历史拟合从误差分析到调整再到运算的一体化、高效化,提高了油气藏数值模拟历史拟合的精度与效率,大大降低了油藏数值模拟软件的应用门槛。软件是实现“精准描述”这一目标的有力保证,已在大庆油气藏进行了多个区块的应用,证明了软件的稳定性与可靠性。

本软件包含历史拟合辅助工具,实现了调参过程可视化、数据流书写自动化。实现任意场数据场叠加功能、等值线显示功能,实现沉积微相与渗透率、压力、饱和度等静态与动态数据场的叠加显示,给动态分析工作带来很大方便,同时具有丰富的误差显示功能,如旋风图、饼图等。创建了作业调度、批量发送、并行计算及误差监测的自动化作业管理技术。通过井误差分析、层误差分析、主控因素分析,实现了误差井与层的快速定位与自动调参,提高油井拟合效率与拟合精度。基于拉丁超立方、智能优化算法等的历史拟合调整方法,提高油气藏历史拟合的自动化程度。 

主要功能如下:

提供多种历史拟合辅助工具,实现可视化的模型调参。

根据拟合调参情况自动生成ECLIPSE数据流,无需手工操作。

具有分层拟合功能,实现分层产气量的拟合。

提供自动化作业管理功能,实现模型计算及误差监测,并且实现单任务的并行计算与多任务的批量计算。

提供井误差分析、层误差分析功能,实现误差井与层的快速定位与辅助调参。

提供基于智能优化算法的历史拟合调整功能,通过优化方法来调整气藏参数,使得气藏模拟结果与历史数据相符合。

多方案管理:记录方案的历史拟合过程,便于进行过程记录与回溯。

井筒措施模版调参:根据井筒措施记录自动生成相关数模关键字。

图1 辅助调参 图2 场分布图 图3 拟合结果显示 图4 分层产气量

Products>>Products on Sale>>Chengong Oil Reservoir Numerical Simulation Software Series>>Chengong Oil reservoir Numerical Simulation Auxiliary Historical Fitting Software V2.0

Chengong oil reservoir numerical simulation auxiliary history fitting software is based on ECLIPSE reservoir numerical simulator, which can realize historical fitting of reservoir historical data by adjusting oil reservoir parameters. the software realizes efficient stratified fitting, makes up for the deficiency of ECLIPSE software, and makes the historical fitting of oil and gas reservoirs more accurate and efficient.

We explore our software according to the actual situation of oil and gas fields in China, it is creative and solves the problem of stratifying section fitting difficulty which has plagued ECLIPSE software for a long time, realizes the high efficiency and fast stratifying section historical fitting, establishes the historical fitting platform based on error  analysis orientation, achieves the integration and high efficiency of historical fitting from error analysis to adjustment and to the operation, improves the precision and efficiency of oil reservoir numerical simulation historical fitting, and greatly reduces the application threshold of oil reservoir numerical simulation software. The software is a powerful guarantee to achieve the goal of "accurate description", and has been applied in many blocks in Daqing oil and gas reservoir, which proves the stability and reliability of the software.

This software includes the historical fitting auxiliary tool, realizes the adjustment parameter process visualization, the data flow writing automation. realize arbitrary field data field superposition function, isoline display function, realize deposition microphase and permeability, pressure, saturation and other static and dynamic data field superposition display, bring great convenience to dynamic analysis work, at the same time have rich error display function, such as cyclone diagram, pie chart and so on. Automatic job management techniques for job scheduling, batch sending, parallel computing and error monitoring are created. Through well error analysis, layer error analysis and main control factor analysis,  the rapid positioning and automatic parameter adjustment of error wells and layers are realized, and the fitting efficiency and fitting accuracy of oil and gas wells are improved. Based on the historical fitting adjustment method of Latin supercube and intelligent optimization algorithm, the automation degree of oil and gas reservoir historical fitting is improved.

The main functions are as follows:

Provide a variety of auxiliary historical fitting tools to achieve visual model tuning parameters.

Automatically generate ECLIPSE data flow according to fitting  parameters adjustment without manual operation.

Has the function of stratified fitting to realize the fitting of stratified gas production.

Provides the automatic job management function, realizes the model computation and the error monitoring, and realizes the single task parallel computation and the multi-task batch computation.

Provides the function of well error analysis and layer error analysis to realize the fast positioning and auxiliary parameter adjustment of error wells and layers.

Provides the function of historical fitting adjustment based on intelligent optimization algorithm, and adjusts the gas reservoir parameters by optimization method, so that the gas reservoir simulation results match with the historical data.

Multi-programming management: record the historical fitting process of the scheme, facilitate process recording and backtracking.

Wellbore measures template parameters adjustment: according to wellbore measures record automatically generate relevant digital-analog keywords.

Figure1: Fitting of stratified gas production Figure2: Fast Error Positioning and Auxiliary Parameter   Adjustment Figure3: The curve of fitting result shows Figure4: Model parameter field distribution graph