川西北九龙山地区下侏罗统自流井组珍珠冲段沉积相研究  

RESEARCH ON SEDIMENTARY FACIES OF THE ZHENZHUCHONG SEGMENT IN THE LOWER JURASSIC ZILIUJING FORMATION IN JIULONGSHAN REGION,NORTHWEST SICHUAN BASIN

作　　者：江文剑[1] 侯明才[1,2] 马华灵[3] 李勇 王文楷 

机构地区：[1]成都理工大学沉积地质研究院,成都610059 [2]油气藏地质及开发工程国家重点实验室,成都610059 [3]中国石油西南油气田分公司川西北气矿,四川江油621709 [4]核工业208研究所,四川广汉618300

出　　处：《地质力学学报》2014年第1期48-60,共13页Journal of Geomechanics

基　　金：高等学校博士学科点专项科研基金项目(20115122110002)

摘　　要：根据单因素分析多因素综合作图法,对川西北九龙山地区珍珠冲段岩石学特征、沉积构造、植物化石特征等进行详细研究,并结合测井资料,分析九龙山地区珍珠冲段沉积相,深入研究其平面展布特征进行,探讨其演化规律,建立研究区沉积相发育模式。研究认为珍珠冲段沉积期九龙山地区主要发育湿地型扇三角洲相,并且发育一套正旋回的层序,为该地区油气勘探工作提供指导。Based on the single factor analysis and multifactor comprehensive mapping method, adetailed study of the Jiulongshan region Zhenzhuchong segment lithology, sedimentary structures,fossil plants characteristics had been carried out. Combining with logging data analysis, the authorstudied the sedimentary facies and the plane distribution feature in-depth, discussed its evolution,and established sedimentary facies development patterns in the region. The result showed that thesedimentary facies in Jiulongshan region during Zhenzhuchong segment sedimentary period was a fandelta wetland, and it developed a positive cycle of the sequence, which provided guidance to oil andgas exploration in the region.

关 键 词：九龙山地区 珍珠冲段 扇三角洲 沉积相 

分 类 号：P618.13[天文地球—矿床学]