典型含气砂岩储层介质的AVO正演模拟和属性提取  

AVO Forward Modeling and Attribute Extraction of Typical Gas Bearing Sandstone Reservoir Media

作　　者：赵驰 杨飞龙 李辉峰 罗浩 赵冲 张雪 ZHAO Chi;YANG Feilong;LI Huifeng;LUO Hao;ZHAO Chong;ZHANG Xue(School of Earth Sciences and Engineering,Xi′an Shiyou University,Xi′an 710065,China;Shaanxi Key Laboratory of Oil and Gas Accumulation Geology,Xi′an 710065,China;No.4 Oil Production Plant of PetroChina Changqing Oilfield Company,Xi′an 710021,China)

机构地区：[1]西安石油大学地球科学与工程学院,西安710065 [2]陕西省油气成藏地质学重点实验室,西安710065 [3]中国石油长庆油田分公司第四采油厂,西安710021

出　　处：《重庆科技学院学报（自然科学版）》2020年第6期27-31,共5页Journal of Chongqing University of Science and Technology：Natural Sciences Edition

基　　金：陕西省教育厅专项科研计划项目“基于压缩感知的起伏地表Kirchhoff型动态聚焦束偏移方法”(19JK0668);西安石油大学研究生创新与实践能力培养项目(YCS18212036,YCS18212037)。

摘　　要：运用射线追踪模拟方法对不同地质模型进行正演运算。经过反射系数及合成CDP道集的响应特征分析,得到典型含气砂岩储层介质的AVO响应特征。基于Shuey近似公式提取理论资料和实际资料的AVO属性,验证了算法的可行性与正确性。In this paper,the ray tracing simulation method is used to perform forward calculations on different geological models.After analyzing the reflection coefficient and the response characteristics of the synthesized CDP gathers,the AVO response characteristics of complex media can be obtained.The method based on Shuey approximation formula is used to extract the AVO attribute of the theoretical data and the AVO attribute of the actual data,which verified the feasibility and correctness of the algorithm in this paper.

关 键 词：典型含气砂岩 AVO正演模拟 属性提取 油气勘探 

分 类 号：P618[天文地球—矿床学]