| 莫静,王兴志,谢林,何施雨,梁静,李加利,敖梅,何川.四川盆地碳酸盐岩中硅质特征及其对储层的影响[J].地质找矿论丛,2013,28(3):419-423 |
| 四川盆地碳酸盐岩中硅质特征及其对储层的影响 |
| Characteristics of silica in carbonate rocks of Sichuan Basin and the impaction to reservoir |
| 投稿时间：2013-01-15 修订日期：2013-08-03 |
| DOI：10.6053/j.issn.1001-1412.2013.03.013 |
| 中文关键词: 碳酸盐岩 硅质 互层 混积 充填 交代 储层 四川省 |
| 英文关键词:carbonate rock silica interbedding diamictic kiesel infilling kiesel metasomatic kiesel reservoir |
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| 中文摘要: |
| 四川盆地碳酸盐岩储层为我国主要海相储层之一。通过分析四川盆地碳酸盐岩中硅质的宏观、微观特征,提出硅质以互层、混积、充填、交代的形式存在于碳酸盐岩中。互层硅质、充填硅质和交代硅质中二氧化硅来源以火山喷发为主,但后期沉积机制不同;混积硅质中二氧化硅来源于陆源碎屑,对物源方向具有一定的指向意义,沉积机制为陆源混积。互层硅质、充填硅质、交代硅质对储层形成具有双重意义,混积硅质对储层形成起严重破坏性作用。 |
| 英文摘要: |
| Carbonate rock reservoir in Sichuan basin is one of the important marine reservoirs in China. Analysis of macro and micro characteristics of silica materials in carbonate rocks in Sichuan basin show that the silica materials are mainly interbeded, mixed together with the carbonate rock, filled in the carbonate or replace the carbonate. Silica which is interbeded with the carbonate rock, filled in the carbonate rock or replace the carbonate rock is mainly derived from volcanic eruption but the late settlement mechanism is different. Silica mixed together with the carbonate rock is derived from terriginous debris and is of source indication..The interbedding, filling and metasomatic silica plays both building and destruction role on reservoir but the mixed silica only destruction role. |
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