川东北黄龙场地区嘉二段非均质储层发育区地震预测

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英文篇名：Seismic prediction of heterogeneous reservoirs in the 2nd member of the Lower Triassic Jialingjiang Formation in the Huanglongchang area,northeastern Sichuan Basin 中文刊名：天然气工业 英文刊名：Natural Gas Industry 作者：周路 ; 吴勇 ; 钟克修 ; 陆鹏 ; 叶楠 ; 胡筱妮 英文作者：Zhou Lu1 ; Wu Yong1 ; Zhong Kexiu2 ; Lu Peng3 ; Ye Nan4 ; Hu Xiaoni5(1.State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation ; Southwest Petroleum University ; Chengdu ; Sichuan 610500 ; China ; 2.Northeast Sichuan Gas Field ; Southwest Oil & Gasfield Company ; PetroChina ; Dazhou ; Sichuan 635000 ; China ; 3.Logging Company ; Chuanqing Drilling Engineering Co. ; Ltd. ; CNPC ; Chongqing 400021 ; China ; 4.Geology Institute of Shengli Oil Production Plant ; Shengli Petroleum Administration ; CNPC ; Dongying ; Shandong 257000 ; China ; 5.School of Earth Science ; China University of Petroleum ; Beijing 100011 ; China) 中文关键词：四川盆地 ; 早三叠世 ; 储集层 ; 预测 ; 构造特征 ; 裂缝(岩石) ; 地震勘探 ; 勘探有利区 英文关键词：Sichuan Basin ; Early Triassic ; reservoir ; prediction ; structural characteristics ; fractured(rock) ; seismic exploration 出版日期：2012-07-25 机构："油气藏地质及开发工程"国家重点实验室·西南石油大学;中国石油西南油气田公司川东北气矿;中国石油川庆钻探工程公司测井公司;中国石化胜利石油管理局胜利采油厂;中国石油大学(北京)地球科学院; 年：2012 期：07 出版单位：天然气工业

摘要

四川盆地东北部黄龙场地区下三叠统嘉陵江组二段存在大型断背斜圈闭,其有利滩相储层发育特征研究是该段油气勘探开发的关键。在构造研究和储层测井响应特征综合分析的基础上,结合储层沉积微相特征,对储层主要发育段(嘉二2亚段)采用多种方法进行了综合预测。利用地震属性与地震反演技术相结合预测出嘉二2亚段强振幅能量异常、低密度异常滩相储层平面主要分布在构造高部位及斜坡地带;多参数反演技术预测了储层的物性特征,地震相干体技术与频谱分析技术综合预测出储层的裂缝发育区,这是该区优质滩相储层地震预测成功的关键。综合分析结论认为:该亚段最有利的滩相储层主要分布在HL2井东南高部位及其斜坡带以及HL5井的西部,应是研究区内嘉二段下一步油气勘探开发的重点区域。
Large faulted anticline traps occur in the 2nd member of the Lower Triassic Jialingjiang Formation(t1j2) in the Huanglongchang area,northeastern Sichuan Basin,and the identification of reservoir characteristics of bank-facies is the key to hydrocarcon exploration here.Various methodologies were used to predict reservoirs in the second interval of the 2nd member of the Jialingjiang Formation(t1j22) through the analysis of structures,reservoir logging responses,and the features of sedimentary microfacies of the reservoirs.Seismic attributes and seismic inversion techniques were integrated to predict reservoir distribution.The results show that reservoirs of bank-facies with strong amplitude anomaly and low density anomaly in the t1j22are mainly distributed on the structural highs and slopes.Multiple-parameter seismic inversion technique was used to predict the physical properties of the reservoirs.Coherence cube and spectrum analysis techniques were integrated to predict the zones with well-developed fractures.Based on the comprehensive analysis,it is believed that the most favorable reservoirs of bank-facies in t1j22 occur on the structural highs and their slopes to the southeast of well HL2 as well as on the area to the west of well HL5,which will be the highlights of further hydrocarbon exploration and development in this study area.

引文

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