油气地质

川西南部嘉陵江组储层特征及主控因素

  • 冯杰瑞 ,
  • 冷济高 ,
  • 朱丽 ,
  • 张勇 ,
  • 孙海巍
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  • 中国石油西南油气田公司川西北气矿
张本健,1980 年生,男,工程师,主要从事测井储层评价及综合地质研究工作。地址:(621709)四川省江油市川西北气矿勘探 开发研究所。电话:(0816)3615293。E-mail:zbjian@petrochina.com.cn

网络出版日期: 2011-06-20

Reservoir characteristics and main controlling factors of Jialingjiang Formation in southwestern Sichuan Basin

  • FENG Jierui ,
  • LENG Jigao ,
  • ZHU Li ,
  • ZHANG Yong ,
  • SUN Haiwei
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  • Northwest Sichuan Gas Field, Southwest Oil & Gas Field Company, PetroChina, Jiangyou 610213, China

Online published: 2011-06-20

摘要

对四川盆地川西南部地区下三叠统嘉陵江组储集空间特征、储层性质及储层主控因素研究认为: 嘉陵江组纵向上具多产层、多储盖组合特征,因孔、洞、缝发育程度的差异,使嘉五1、嘉四1、嘉二1—嘉一各段以发育裂缝-孔隙型储层为主,嘉四3 亚段、嘉三段主要发育裂缝-孔隙型或裂缝型储层;沉积相控制了有利岩相带的时空分布、储层物性、储层次生孔隙的发育和储层的几何形态,白云石化、溶蚀作用控制了次生孔、洞的形成和分布,而构造作用影响了裂缝的发育程度。汉王场、大兴场等构造处于加里东古隆起的斜坡带,具有良好的勘探前景。

本文引用格式

冯杰瑞 , 冷济高 , 朱丽 , 张勇 , 孙海巍 . 川西南部嘉陵江组储层特征及主控因素[J]. 岩性油气藏, 2011 , 23(3) : 80 -83 . DOI: 10.3969/j.issn.1673-8926.2011.03.015

Abstract

The reservoir space, properties and main controlling factors of Lower Triassic Jialingjiang Formation in southwestern Sichuan Basin are studied. The result shows that Jialingjiang Formation developed multiple pay formation and reservoir-cap assemblages in the vertical. Because of the difference of developing degree of pore, cavity and fracture, the reservoirs of T1 j51, T1 j41and T1 j21-T1 j11are mainly fracture-pore reservoir, while the reservoirs of T1 j43、T1 j3 are mainly pore-fracture reservoir. The sedimentary facies controls the distribution of favorable lithofacies belt, physical property, the development of secondary pore and reservoir configuration. Dolomization and dissolution control the formation and distribution of secondary pore and cavity, while tectonismaffects the development of fracture. The Daxingchang and Han wangchang structures which are located in the Caledonian palaeohigh ramp region have favorable exploration potential .

参考文献

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