基于贝叶斯理论的四维地震与生产动态数据的油藏历史拟合新方法

doi:10.3969/j.issn.1002-302x.2022.02.002

石油科技论坛 ›› 2022, Vol. 41 ›› Issue (2): 9-22.DOI: 10.3969/j.issn.1002-302x.2022.02.002

基于贝叶斯理论的四维地震与生产动态数据的油藏历史拟合新方法

王泽龙¹　刘先贵²　李志勇¹　张辉¹　张传进¹

1. 中国石油国际勘探开发有限公司；2. 中国石油勘探开发研究院

出版日期:2022-05-13 发布日期:2022-05-13
作者简介:王泽龙，1989年生，2021年毕业于中国科学院大学流体力学专业，博士，高级工程师，主要从事油藏数值模拟、油气田开发与规划等研究工作。
基金资助:
国家科技重大专项“复杂天然气开发关键技术”（编号：2016ZX05015）。

A Novel Bayesian-based Reservoir History Matching Method for 4D Seismic and Production Data

Wang Zelong¹,Liu Xiangui²,Li Zhiyong¹,Zhang Hui¹,Zhang Chuanjin¹

1. China National Oil and Gas Exploration and Development Corporation, Beijing 100034, China; 2. PetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, China

Online:2022-05-13 Published:2022-05-13

摘要/Abstract

摘要： 针对油藏历史拟合现有方法效率低、准确度差和难以拟合地震数据的不足，研究改进了多次数据吸收的集合平滑（ES-MDA）算法，提出了一种基于四维地震数据和井口生产数据的油藏历史拟合新方法。该方法通过对四维地震数据的粗化与稀疏化处理，并基于岩石物理学模型，建立起油藏状态与地震波响应的数学模型，形成油藏流体—地震属性耦合模拟程序；最后通过对ES-MDA算法的适应性改进，将由四维地震监测获得的纵波波阻抗数据与井口生产数据结合，实现四维地震与井口生产数据的联合历史拟合。对某海相油藏的应用研究表明，基于四维地震数据的油藏历史拟合方法增加了油田生产全过程油藏流体状态约束条件，历史拟合后的地质模型质量得到明显改善。

关键词: 油藏历史拟合, 集合平滑算法, 数据吸收, 四维地震, 油藏数值模拟, 油藏流体—地震属性耦合模拟

Abstract: To solve inefficiency, inaccuracy and inability to assimilating time-lapse seismic data by the existing history-matching methods, this paper focuses on the study and improvement of the Ensemble smoother with multiple data assimilation (ES-MDA), thus proposing a novel Bayesian-based history-matching method for 4D seismic and production data. First of all, the 4D seismic data are handled both coarsely and sparsely. Then, the mathematical model for reservoir and seismic wave response is established on the basis of the rock physics model to set up the reservoir fluid-seismic attribute coupling simulation program. Finally, the adaptability of the ES-MDA algorithm is improved to combine the P-wave impedance data acquired from 4D seismic survey with wellhead production data to bring about history matching between 4D seismic data and wellhead production data. The applied study of a certain marine-facies reservoir indicates that the reservoir history matching method based on 4D seismic data adds the constraint conditions for full coverage of the reservoir fluid status, thus apparently improving the credibility of the updated geological model.

中图分类号:

TE319

王泽龙　刘先贵　李志勇　张辉　张传进. 基于贝叶斯理论的四维地震与生产动态数据的油藏历史拟合新方法[J]. 石油科技论坛, 2022, 41(2): 9-22.

Wang Zelong, Liu Xiangui, Li Zhiyong, Zhang Hui, Zhang Chuanjin. A Novel Bayesian-based Reservoir History Matching Method for 4D Seismic and Production Data[J]. Petroleum Science and Technology Forum, 2022, 41(2): 9-22.

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基于贝叶斯理论的四维地震与生产动态数据的油藏历史拟合新方法

A Novel Bayesian-based Reservoir History Matching Method for 4D Seismic and Production Data

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