2) delta depositional system
三角洲沉积体系
1.
It has been proved by oil and gas exploration that most oil and gas resources occur in the sandbodies of the delta depositional system in Ordos basin.
利用钻井资料对鄂尔多斯盆地晚古生代三角洲沉积体系进行详细研究 ,结果表明 :研究区晚古生代沉积可以划分为两个阶段 ,第一阶段为晚石炭世本溪期 -早二叠世太原期 ,系海相三角洲沉积体系发育时期 ;第二阶段为早二叠世山西期 -晚二叠世石千峰期 ,系湖泊三角洲沉积体系广泛发育时期。
2.
They are is Fuxian delta depositional system in the northeast,Miaowan-Yijun——Huangli delta depositional system in the southeast,Binxian-Changwu delta depositional system in the southwest and Qingyan——Heshui delta depositional system in the west in turn.
详细阐述了不同三角洲沉积体系和深水重力流沉积体系的演化过程,分析了沉积体系与油气的分布关系,认为油气主要富集在水下分流河道、河口坝及其叠合部位,以及深水区的砂质碎屑流和浊积体等能构成岩性圈闭的储集岩体内。
3) delta sedimentary system
三角洲沉积体系
1.
It determines that the objective intervals are mainly the inland freshwater lake delta sedimentary system and that the main subfacies are the delta front subfacies.
确定了目的层段以内陆淡水湖泊三角洲沉积体系为主,并且主要为三角洲前缘亚相;其具体微相包括水下分流河道、河口砂坝、分流间湾、远砂坝、席状砂、水下天然堤与水下决口扇6类,其中,水下分流河道、河口坝、远砂坝是勘探的有利相带。
4) sedimentary system
沉积体系
1.
s_4 sedimentary system and its distribution in Damintun depression;
大民屯凹陷沙四段沉积体系特征及展布
2.
A study on Paleogene sequence stratigraphy and sedimentary systems and a discussion on hydrocarbon exploration directions in Qinnan depression;
秦南凹陷古近系层序地层和沉积体系研究及油气勘探方向探讨
3.
Types and characteristics of sedimentary system of upper Palaeozoic erathom sandstone gas reservoir in the central part of Ordos Basin.;
鄂尔多斯盆地中部上古生界砂岩气层沉积体系类型及特征
5) depositional system
沉积体系
1.
Study on sequence stratigraphy and depositional system in gentle slope of sag lake basin——Taking Luxi area in Junggar Basin as an example;
坳陷湖盆缓坡层序地层及沉积体系研究——以准噶尔盆地陆西地区为例
2.
Permo-Carboniferous paralic depositional systems in the Daniudi gas field and its near-source box-type gas accumulation-forming model;
大牛地气田石炭—二叠系海陆过渡沉积体系与近源成藏模式
3.
Source analysis and depositional systems of Upper Triassic early and mid-term Yanchang Formation in Longdong area;
陇东地区上三叠统延长组早中期物源分析与沉积体系
6) depositional systems
沉积体系
1.
The characteristic of sequence stratigraphy and depositional systems of the Palaeogene Kuqa depression;
库车坳陷古近系层序和沉积体系发育特征
2.
In order to ascertain provenance of Permian system in the studied area and grope for distribution regulation of depositional systems and gas reservoirs,provenance analysis of clastic rocks in Permian System at southeast area of Ordos Basin is conducted from the features of peripheral ancient land of the basin,lithology,tectonic property,cathodoluminescence features of quartz,ty.
为确定该区二叠系的物源方向,探索沉积体系和天然气储层的分布规律,从盆地周缘古陆特征、岩石类型、构造属性、石英阴极发光特征、岩屑类型、重矿物组合、古流向及地球化学等方面对鄂尔多斯盆地东南部二叠系碎屑岩进行了源区分析。
3.
There are 5 and 3 fan-delta depositional systems developed respectively along the western and eastern margin fault.
大量地震、录井、测井资料沉积学分析表明,松辽盆地北部西部断陷带登娄库组三段发育的沉积体系有扇三角洲、湖泊和湖底扇。
补充资料：下第三系
见早第三纪。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条