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新疆准噶尔盆地南缘侏罗系砂岩成岩作用及其孔隙演化特征
石油与天然气地质
1990年 11卷 第No.1期
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Title
DIAGENESIS OF JURASSIC SANDSTONES IN THE SOUTH MARGIN OF JUNGGAR BASIN,XINJIANG,AND THE PORE EVOLUTION
Authors
Hu Weiyuan
Zhou Jincai
Ma Chuandong
Shi Xuanyu
摘要
本文重点叙述了下侏罗统三工河组、中侏罗统西山窑组、头屯河组砂岩的成岩作用及成岩作用序列,在此基础上介绍了成岩作用对孔隙演化的控制及其特征。研究表明,具有经济效益的孔隙保留时期是浅埋藏阶段及深埋次生孔隙形成之后。
Abstract
This paper places emphasis on the diagenesis and its sequence for sandstones of the Lower Jurassic Sangonghe Formation,the Middle Jurassic Xishanyao and Toutun he Formations.On this base,the con-trolling effect and the property of the evolution of porosity by diagenesis are described.The studyshows that the preservative period of valuable pores are the shallow buried stage and deep buried stageafter the formation of secondary pores.
关键词：
准噶尔盆地;
侏罗系;
成岩作用;
孔隙演化;
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