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- Fu Guang, Lv Yanfang, Yang Mian, et al.New understanding of seal oil-gas mechanism of overpressured mudstone caprock.In: Song Yan, Wei Guoqi, et al, eds.Research and Application of Gas Geology.Beijing: Petroleum Industry Press,2000. 付广,吕延防,杨勉,等。超压泥岩盖层封闭油气机理的新认识。见:宋岩,魏国齐,洪峰,等。天然气地质研究与应用。北京:石油工业出版社,2000。
- overpressured mudstone 超压泥岩
- Host rocks are pelitic siltstone and silty mudstone. 矿体明显受断裂控制。
- The cover rocks are marine mudstone from Pliocene to Quaternary. 储层发育有砂岩、灰岩(礁灰岩)、基岩等。
- Sha 4 submember Kongdian Formation mudston is regional cap rock. 区域盖层为馆陶组、沙河街组四段及孔店组的泥岩层。
- overpressure mudstone 超压泥岩
- Cretaceous sandstone and Eogene mudstone are the main reservoir and caprock. 油气从油气田东部注入 ,由东向西运移并差异聚集 ,依次形成凝析气藏、带油环凝析气藏和挥发性油藏。
- The reservoir is usually lamina sandstone interbbeded with mudstone. 储层砂岩与泥岩大多呈薄互层状。
- The main rocks are sandstone, mudstone and muddy siltstone or silty mudstone. 岩石类型主要有砂岩、泥岩及泥-粉砂过渡岩类。
- The dark mudstone deposited in this time is the favorable source rock. 同时,该层序内沉积的暗色泥岩也是有利的烃源岩。
- Allogenic overpressured areas near the faults connected with source rocks are favorable dynamic traps. 通源断裂附近形成的他源超压区是有利的动态圈闭区。
- Most hydrocarbons production occurred in the transition zone between hydropressured and overpressured sediments. 通常压力过渡带是油气聚集的有利场所;
- Along with the development of exploration, more and more overpressured basins are found. 随着油气勘探工作的不断发展,越来越多的超压盆地被揭露出来。
- Overpressured sedimentary basins are widespread and have great significance on hydrocarbon exploration. 超压在全球沉积盆地分布广泛,超压对油气勘探具有重要的意义。
- The formation of overpressured reservoir as a whole basin must depend on the special geology background of basin. 盆地性超高压油藏的形成,必须受控于盆地特殊的地质背景。
- Overpressured system is a relative sealed or semi-sealed system in a sedimentary basin. 摘要沉积盆地内的超压系统是一个相对独立的封闭-半封闭体系,与油气生成、保存关系密切。
- The sediments are mudstone, shale, carbonaceous mudstone and marl of deep and semi-deep lake facies. 烃源岩已进入成熟阶段,处于生油高峰期。
- This paper examined many documents about genesis, trait, stress's sensibility acquisition, deliverability acquisition of Overpressured gas reservoir. 本文对异常高压气藏的成因、基本特征、应力敏感分析、产能分析方法做了大量的文献调研。
- The overpressured systems form overpressured fluidcompartments (OPC) in vary levels that control the hydrocarbon migration and accumulation. 烃类滞留带,该带中超压未能得到很好释放,烃类也多滞留于其中,为排烃的不利地带。
- The Upper Shihezi formation with a vast thick mudstone layer can be taken as a very good seal, so it is difficult for natural gas to pass through. 近年来,相继在盆地东部的石千峰组地层中发现了一系列次生气藏,其形成机理逐步引起了勘探家的关注。