延长探区下古天然气聚集因素及有利区预测  

Factors of The Lower Paleozoic Gas Accumulation and Prediction of Favorable Areas in Yanchang Gas Field

作　　者：罗腾跃 

机构地区：[1]陕西延长石油(集团)有限责任公司研究院,陕西西安710075

出　　处：《延安大学学报（自然科学版）》2015年第2期1-4,共4页Journal of Yan'an University：Natural Science Edition

基　　金：国家高技术研究发展计划(863计划)项目(2013AA064500)

摘　　要：为了研究延长探区下古天然气聚集有利区,结合已有试气井地质特征,分析延长探区下古生界岩溶古地貌、古构造演化、铝土层分布与天然气聚集关系,结果表明天然气聚集由古地貌、古构造、铝土层分布等因素复合共同控制。在多因素综合分析研究基础上,总结出延长探区下古生界天然气聚集的4条规律,最终预测了子长北-安塞-延安-延长南部为延长探区下古生界天然气聚集有利区,研究结论为下古生界天然气勘探指明了方向。In order to understand favorable area of lower paleozoic gas accumulation,combined with the geological characteristics of the test wells,analysis of the lower paleozoic palaeogeomorphology,structural evolution,distribution of aluminum rocks and gas accumulation. We consider that all kinds of factors on the gas accumulation have controlling action. On the basis of comprehensive analysis,give four rules of lower paleozoic gas accumulation in Yanchang gas field. At last,predict the paleozoic gas favorable exploration area,the conclusion points out lower paleozoic gas exploration direction.

关 键 词：延长探区 古地貌 古构造演化 铝土层 天然气聚集 

分 类 号：TE122.23[石油与天然气工程—油气勘探]