Ordos Basin; southeast part; Yanchang Formation; sedimentary facies.
鄂尔多斯盆地；东南部；延长组；沉积相。
Yanchang 2 formations are deltaic deposits during disappearing of lake-basin.
长2组即是在湖盆消亡时期形成的一套三角洲沉积。
Aim To explore the decline rule and recovery efficiency of Yanchang Oilfield.
目的对延长油田递减规律和采收率进行深入研究。
The main oil-bearing formation is Chang4+5 reservoir of Yanchang Formation, Triassic.
其主力油层为三叠系延长组长4+5油层。
The lower Yanchang formation was a new exploration area in the middle of the west Ordos basin.
鄂尔多斯盆地西部中区延长组下部是近两年来发现的勘探新层系，油藏具有上生下储的成藏特征。
There are many sequence stratigraphic classification project of Yanchang formation in Ordos basin.
鄂尔多斯盆地三叠系延长组地层层序划分方案较多。
I would also like to congratulate the Institute and Yanchang Petroleum Group on today's MOU signing.
我还要祝贺研究院和延长石油今天签署谅解备忘录。
With the help of the magic lotus lantern, San Sheng Mu defeated her brother and married Liu Yanchang.
的翻译是：在不可思议的莲花灯笼帮助下，圣盛家Mu击败了她的兄弟并且与刘彦昌结婚。
The reservoirs of Erdos Basin Mesozoic Triassic Yanchang Team are low permeable and very low permeable reservoirs.
鄂尔多斯盆地三叠系延长纽储集层为低渗透、特低渗透储集层。
Formation factors and mechanism of the laumontite in upper Triassic Yanchang group of Jingan oilfield are analyzed.
分析了靖安油田上三叠系延长统浊沸石的形成条件及形成机理。
The chang 61 low permeable reservoir in Yanchang Formation in the Upper Triassic is the main oil layer in Wuqi area.
吴旗地区主力油层为上三叠统延长组长61，属于特低渗储层。
In the basin Yanchang Formation is a lithologic encirclement deposit, and is strictly controlled by sedimentary facies.
盆内延长组油藏为岩性圈闭油藏，严格受沉积相控制。
The lacustrine acritarch is the important biologic source of high-quality source rock of the Yanchang Formation in Ordos Basin.
这些特征均表明疑源类是鄂尔多斯盆地三叠系延长组湖相优质烃源岩形成的重要母质。
Northern Yaodian Oilfield lies on eastern part of Shanbei Slope in Ordos Basin and the primary oil-bearing bed is Yanchang Formation.
姚店油田北区位于鄂尔多斯盆地陕北斜坡东部，三叠系延长组是其主要的含油层系。
In Yanchang oilfield, serious lost circulation often occur during drilling in Panlong and Zichang areas, directly affect drilling rate.
延长油矿管理局在蟠龙、子长等主生产区经常遇到严重漏失井，直接影响了钻井速度。
Dark mudstones and the turbidites of deep lake facies were discovered recently in the Member 1 of Yanchang Formation, Upper Triassic in Ordos Basin.
鄂尔多斯盆地三叠系延长组长1段发育一套深湖相浊积岩及数层暗色泥岩。
According to the outcrops observing and the cores describing, Yanchang formation has been classified 9 petrology facies and 6 petrology facies units.
通过对野外剖面及岩芯的观察和描述，将鄂尔多斯盆地安塞地区延长组划分出9个岩石相和6个岩石相组合。
The main control factors of sequence formation are tectonics and climate change in continental sequences of Yanchang Group in North Shaanxi Province.
在陕北地区延长组陆相层序地层中，层序形成的主要控制因素是构造运动和气候变化。
The number of enterprises with sales revenue over RMB10 billion grew from 4 to 23, among which, the sales revenue of Yanchang Group exceed RMB100 billion.
销售收入过百亿的企业从4家增加到23家，其中延长集团突破千亿元大关。
Rare earth elements (REE) and trace elements were used to analyse source rock and source direction of Yanchang Formation of the Upper Triassic in Ordos Basin.
利用稀土元素和微量元素，分析鄂尔多斯盆地中部上三叠统延长组母岩类型和物源方向。
The thick sandstones in Chang 8 oil Formation of Yanchang group may be divided into two types by the research on sedimentary petrology and sequence stratigraphy.
通过对延长统长8段厚层砂岩沉积岩石学和层序地层学研究，将其分为两类，一类是由多期单一成因的分流河道砂岩叠加构成；
Micro-fractures distribution in extremely lower permeable sandstone reservoirs of Yanchang Formation and its geologic significance, Ordos Basin, Northwest China;
对于研究低渗透、特低渗透砂岩储集层微裂缝分布规律，渗透率异常频率分析法是有意义的。
The comparison study shows that source the crude oils of the Maling oilfield are derived from Yanchang formation source rocks, especially from Chang-7 subformation.
油源对比表明，马岭油田原油的源岩为延长组烃源岩，特别是长7油层组烃源岩。
At last the paper summarized the oil pool-forming models in Yanchang oil field as nearby accumulation type, along-layer migration type and trans-layer migration type.
从油气运移的角度将延长矿区成藏模式归纳为就近聚集型、顺层运移型和穿层运移型三种类型。
Yanchang formation of the Upper Triassic in the Ordos basin have a wide distribution of alluvial fan, fluvial, lacustrine, fan delta, braided delta and meander delta deposits.
鄂尔多斯盆地上三叠统延长组广泛发育冲积扇、河流、湖泊、扇三角洲、辫状河三角洲和曲流河三角洲沉积。
The development of the Ordos basin reached its culmination in the sedimentary period of the Yanchang Formation and the lake basin was largest in area during the chang 7 epoch.
延长组沉积时是鄂尔多斯盆地发育的鼎盛时期，长7期湖盆范围达到最大。
The reservoirs of the Yanchang formation almost are fine feldspathic sandstone, feldspathic debris sandstone, rock fragment feldspathic sandstone, and little quartzose sandstone.
延长组储集岩主要为细粒的长石砂岩、长石岩屑砂岩、岩屑长石砂岩等，还有少量的石英砂岩。
The reservoirs of the Yanchang formation almost are fine feldspathic sandstone, feldspathic debris sandstone, rock fragment feldspathic sandstone, and little quartzose sandstone.
延长组储集岩主要为细粒的长石砂岩、长石岩屑砂岩、岩屑长石砂岩等，还有少量的石英砂岩。
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