四川盆地下二叠统沉积相及其勘探潜力区研究  

RESEARCH ON THE SEDIMENTARY FACIES AND EXPLORATION POTENTIAL AREAS OF LOWER PERMIAN IN SICHUAN BASIN

作　　者：黄先平[1] 杨天泉[1] 张红梅[1] 

机构地区：[1]中国石油西南油气田分公司勘探开发研究院

出　　处：《天然气工业》2004年第1期10-12,共3页Natural Gas Industry

摘　　要：四川盆地广泛分布着碳酸盐岩 ,蕴藏着丰富的油气资源。本文试图通过总结前人有关四川盆地下二叠统的研究成果 ,寻找下二叠统潜在的、有利的勘探领域。大量的实钻、野外调查资料及研究成果表明 ,下二叠统主要的储集岩为粗结构、质纯的粒屑碳酸盐岩 ,而这种储集岩主要形成于滩相沉积 ,即下二叠统有利的储集相为滩相 ,它控制着下二叠统的储层发育。通过沉积相研究 ,认为下二叠统滩相主要分布于川西 -川南的沿盆地边缘的弧形地带。由于川南地区 (泸州 -宜宾一带 )下二叠统的勘探程度已较高 ,故认为今后下二叠统的重点勘探领域应在川西前陆盆地地区。The carbonate rocks being rich in hydrocarbon resources are widely distributed over Sichuan Basin The authors try to look for the potential and beneficial exploration areas of the Lower Permian in Sichuan Basin through summarizing the research results finished by our predecessors A large number of data drilled and investigated on the spot and of research results indicate that the major reservoir rocks in the Lower Permian are mainly the pure allochemical carbonate rocks with coarse texture and they belong in beach facies which control the development of the favorable reservoir beds in the Lower Permian Through the research on sedimentary facies,it was thought that the beach facies are mainly distributed in the arcuate zones along the basin margins in West Sichuan―South Sichuan Because the Lower Permian in South Sichuan(Luzhou―Yibin regions)has had a high degree of prospecting,the exploration potential areas of this formation should be the foreland basin in West Sichuan in the future

关 键 词：四川盆地 下二叠统 沉积相 勘探潜力 油气勘探 

分 类 号：P512.2[天文地球—地质学]