人工神经网络波形分类油气有利区带划分可靠性分析——以旬宜上古生界为例  

Reliability analysis of favorable oil and gas zone division by artificial neural network waveform classification-by taking the application of upper Paleozoic in Xunyi as an example

作　　者：刘志远 杨春峰[2] 孟祥翠[3] 金芸芸 庄一鹏 常文鑫[2] LIU Zhiyuan;YANG Chunfeng;MENG Xiangcui;JIN Yunyun;ZHAUNG Yipeng;CHANG Wenxin(State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development,Beijing 100083,China;Exploration&Development Research Institute of Henan Oilfield Company,SINOPEC,Zhengzhou,Henan 450000,China;Institute of Science and Development,Chinese Academy of Sciences,Beijing 100190,China;SINOPEC Key Laboratory of Elastic Wave Theory and Detection Technology,Beijing 100083,China;SINOPEC Petroleum Exploration and Production Research Institute,Beijing 100083,China)

机构地区：[1]页岩油气富集机理与有效开发国家重点实验室,北京100083 [2]中国石化河南油田分公司勘探开发研究院,河南郑州450048 [3]中国科学院科技战略咨询研究院,北京100190 [4]中国石化弹性波理论与探测技术重点实验室,北京100083 [5]中国石化石油勘探开发研究院,北京100083

出　　处：《石油地质与工程》2021年第1期34-39,46,共7页Petroleum Geology and Engineering

基　　金：十三五重大科技专项“陆相页岩油甜点地球物理预测模块集成”(2017ZX05049002–005)。

摘　　要：波形分类技术常用于油气有利区预测,但盲井较少时,地震相计算结果的可靠性难以确定。为此,基于目标地质体地震波形的响应特征,通过不同类别数据波形对比,分析地震模型道波形、测井合成记录波形、测井岩性敏感曲线波形、沉积微相岩性组合在测井相上的表征之间的匹配对应关系,进行油气有利区的可靠性分析,对地震相计算结果是否可靠给出波形数据依据。以鄂尔多斯南部旬宜区块上古生界实际地层研究为依托,应用波形分类方法进行致密砂岩油气藏的有利区预测,并对结果的可靠性进行评价。结果表明,当地震波形、测井波形、沉积微相等数据间有比较可信的匹配关系时,得出的波形分类结果才可以更加可靠有效地指导实际油气勘探工作。Waveform classification technology is often used to predict favorable oil and gas zones,but when there are few blind wells,the reliability of seismic facies calculation result is difficult to determine.Therefore,based on the response characteristics of the seismic waveform of the target geological body,through the comparison of different types of data waveforms,the matching relationship among seismic model trace waveform,logging synthetic record waveform,logging lithology sensitive curve waveform and sedimentary micro-facies lithologic combination on logging facies is analyzed.The reliability analysis of oil and gas favorable zones is carried out,and the waveform data basis is given for the reliability of seismic facies calculation results.Based on the actual stratigraphic study of the upper Paleozoic in Xunyi block,southern Ordos,the waveform classification method is applied to predict the favorable area of tight sandstone reservoir,and the reliability of the results is evaluated.The results show that when there is a reliable matching relationship among seismic waveform,logging waveform and sedimentary micro-facies data,the waveform classification results can be more reliable and effective to guide the actual oil and gas exploration work.

关 键 词：旬宜区块 地震相 波形对比 致密砂岩 有利区预测 

分 类 号：P631[天文地球—地质矿产勘探]