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- The short-term base-level cyclic sequences in the third oil reservoirs of the Yanchang Formation in the Huachi Oil Field, Ordos Basin are examined on the basis of well logs and high-resolution sequence stratigraphy. 摘要本文运用高分辨率层序地层学的基准面旋回原理，以钻井、测井资料的综合研究为基础，对华池油田长3油层组进行短期基准面旋回层序分析，将其划分为向上“变深”非对称型、向上“变浅”非对称型与对称型3种基本层序类型和更多的亚类型。
- The Chang-8 member of the Yanchang formation 长8段
- Chang 6 interval of the Yanchang Formation 鄂尔多斯盆地西部
- SEM study on the reservoir of low porous and low permeable, the YANCHANG formation in JING'AN oil field 靖安油田延长组低孔低渗储层的扫描电镜研究
- THE APPLICATION OF WAVELET ANALYSIS IN SEQUENCE STRATIGRAPHIC SUBDIVISION OF THE YANCHANG FORMATION, ORDOS BASIN 浅谈小波分析在鄂尔多斯盆地延长组层序地层划分中的应用
- Provenance analysis of the Chang-6 pay sets of the Yanchang Formation in the west-central parts of the Ordos Basin 鄂尔多斯盆地中西部延长组长6油层组物源分析
- LOW PERMEABLE SANDSTONE RESERVOIR CHARACTERISTICS AND DIAGENESIS OF CHANG 6,CHANG 7 AND CHANG 8 FORMATION OF THE YANCHANG FORMATION(TRIASSIC),SHANCHENG-YANWU AREA,ORDOS BASIN 鄂尔多斯盆地山城-演武地区三叠系延长组长6-长8低渗储层特征及成岩作用研究
- the Yanchang Formation 延长组
- 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。
- The core of Yanchang Formation Chang-7 high quality source rock (oil shale) is black,hard,light,and it looks slip-shape after demorphism. 鄂尔多斯盆地延长组长7优质烃源岩(油页岩)井下岩芯外观呈黑色、质硬、手感较轻,露头风化后呈纸片状。
- Dark mudstones and the turbidites of deep lake facies were discovered recently in the Member 1 of Yanchang Formation, Upper Triassic in Ordos Basin. 摘要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。
- The main parent rock of the early Yanchang Formation is complex metamorphic rock of Archean and metavolcanic rock-sedimentary rock system. 延长组早期沉积的母岩主要为太古宙的复杂变质岩系及下元古界的变火山-沉积岩系。
- The Upper Triassic Yanchang Formation in the Fuxian area is totally a very low porosity and permeability sandstone reservoir. 研究表明,陕北富县延长组总体为特低孔渗砂岩储层。
- The main types of sandstone pore for Yanchang formation are remainder intergranular pore, solutional void in feldspar, solutional void in detrtu... 其中剩余粒间孔占比例最大,其次为成熟早期成岩自生矿物溶蚀而形成的次生孔隙。
- The results show that the Interval 6 of Yanchang Formation is composed of lithic feldspathic sandstones, feldspathic lithic sandstones and feldspathic sandstones. 研究结果表明长6油层组浊积岩的岩石类型为长石岩屑砂岩、岩屑长石砂岩和长石砂岩；
- Several kinds of biomarker of the source rocks in the Member 1 of Yanchang Formation, Upper Triassic in Shaanbei area have been detected by GC and GC/MS. 本文研究了陕北地区三叠系延长组长1段烃源岩的生物标志化合物特征及其有机质母源类型和有机质成熟度。
- 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 wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
- The Hujianshan Area is dominated by fluvial and lacustrine-fluviolacustrine delta sediments in Yanchang Formation,which locates in the south extensional of delta system of Anbian. 胡尖山地区延长组主要以河流、湖泊一河湖三角洲沉积为主,属于安边三角洲体系向南部延伸部分。
