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吐鲁番-哈密盆地中生界砂岩次生孔隙研究

石油实验地质

1996年 18卷第3期

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Title

A STUDY ON SECONDARY PORES OF THE MESOZOICSANDSTONES IN THE TURPAN-HAMI BASIN

作者

刘林玉

Authors

Liu Linyu

单位

西北大学地质系, 西安710069

Organization

Geology Department of the NOrthwest University

摘要

吐鲁番-哈密盆地中生界砂岩次生孔隙主要是由砂岩不稳定组分溶解而成的,可分为11种基本类型,形成3个次生孔隙发育带。有效砂体的形成和保存、泥岩中有机质和粘土矿物的成岩转化及砂岩不稳定组分的溶解是溶蚀孔隙产生的主要原因。

Abstract

The secondary pores of the Mesozoic sandstones in the Turpan-Hami basin weremainly formed by the dissolution of unstable components of sandstones. The secondarypores were distinguished to be of eleven types in three developmental zones The formationand preservation of the effective sandstone bodies. the diagenetic evolution of organic material and clay minerals in mudstones, and dissolution of unstable components in sandstones are the main cause for the formation of the solution pores.

关键词：

吐鲁番-哈密盆地; 次生孔隙; 有效砂体; 溶解作用;

基金项目

DOI

https://doi.org/10.11781/sysydz199603317