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- The target strata in Yulin gas field lie in the bottom of Shanxi Formation of Permian, Upper Palaeozoic. 摘要榆林气田目的层系位于上古生界二叠系山西组底部。
- DEPOSITIONAL SYSTEMS AND COAL ACCUMULATION OF SHANXI FORMATION, PERMIAN, IN NORTH GUOYANG COUNTY, ANHUI PROVINCE. 涡北地区二叠系山西组沉积体系及聚煤规律。
- The Permian Shanxi Formation in Yulin Gas Field is a typical low porosity and low permeability lithologic reservoir. 榆林气田二叠系山西组气藏属于典型的低孔、低渗、岩性气藏。
- Shanxi Formation is a set of paralic continental deposit,of which,fluvial,swamp and lacustrine facies alternatively presented regularly. 山西组为一套近海型的陆相沉积,其中河流相、沼泽相及湖泊相有规律地交替出现。
- Based on the principles of sedimentology,detailed analysis of genetic stratigraphy about the depositional systems of Shanxi Formation are given. 运用沉积学有关基本原理,对该区山西组沉积体系进行了较为详细的成因地层学分析。
- He8 Member reservoirs of Shihezi Formation and Shan1 Member reservoirs of Shanxi Formation are major pay zone in Neopaleozoic gas pool. 区内二叠系下石盒子组盒8段和山西组山1段是上古生界气藏的主力产层。
- Member 2 in Shanxi formation of Permian system in Yulin gasfield is the mainly gas reservoir,was deposited in a braided river of delta enviroment. 榆林气田主力气层山西组2段为一套辫状河三角洲沉积,储集岩主要为石英砂岩、岩屑石英砂岩。
- In the process of Shanxi formation seam mining in Shaqu Colliery,the seam roof and floor sandrock aquifers constitute the direct discharge aquifers. 沙曲煤矿山西组煤层开采过程中,煤层顶底板砂岩含水层构成煤层开采时的直接充水含水层。
- The main coal-bearing strata in the Qinshui Basin are late Carboniferous Epoch Taiyuan Formation and Early Permin Epoch Shanxi Formation. 摘要沁水盆地晚古生代含煤地层主要为晚石炭世太原组和早二叠世山西组，可采煤层有太原组第15号煤层和山西组第3号煤层，两者均为高煤阶无烟煤。
- Aim To study sedimentary environment and microfacies of lower member of Shanxi Formation in northwest part of Ordos basin. 目的研究鄂尔多斯盆地东北部山西组的沉积环境和沉积微相,探究沉积微相的时空分布和控制因素,为天然气勘探寻找有利储层。
- The main reservoir in the lower Shanxi Formation (Lower Permian) is composed of quartz sandstones in Changbei Block of the Yulin Gas Field in the east Ordos Basin. 鄂尔多斯盆地东部榆林气田长北区块主力储集层是下二叠统山西组下段的石英砂岩,将用水平井开发。
- Shanxi formation of Permo-Carboniferous coal measures in Tengnan and Datun mine area is considered as a genetic stratigraphic unit of deltaic depositional system. 滕南、大屯矿区石炭二叠纪含煤岩系山西组是由三角洲沉积体系单元构成的1个成因地层单位，可进一步划分为3个生长层序，代表了河控三角洲进积浅水海湾的充填过程。
- Based on systematically genetic stratigraphic analysis,this paper has generalized thedepositional architectures and coal-forming features of the Shanxi Formation in Permian age. 本文从成因地层学的角度系统分析了区内山西组的沉积构成和聚煤特征。
- As a component of long-term base-level decreasing cycle, Shanxi Formation constitutes a medium-term cycle, which can be subdivided into 5 short-term cycles in ascending order(SSC1,SSC2,SSC3,SSC4,SSC5). 作为晚古生代长期基准面下降旋回的组成部分,山西组构成一个中期基准面旋回(MSC2),自下而上划分为五个短期旋回(SSC1、SSC2、SSC3、SSC4、SSC5);
- The Benxi,Taiyuan,Shanxi Formations of the System are composed respectively of three subsequences. 本溪组、太原组、山西组、下石盒子组又各自由三个次一级的沉积序列组成。
- Strata of Guxi buried hill of Upper-Paleozoic consist of Benxi Formation, Taiyuan Formation of Carboniferous and Shanxi Formation, Lower Shihezi Formation, Upper Shihezi Formation of Permian. 孤西潜山上古生界发育的地层包括石炭系本溪组、太原组以及二叠系山西组、下石盒子组、上石盒子组。
- The sedimentary facies of the Shanxi Formation in this area is comprehensively studied based on previous understandings and in combination with the logging, seismic, core and outcrop data. 为此，在前人研究的基础上，结合测井、地震、岩心、露头等资料，对该区山西组沉积相进行了综合研究。
- The formations from the 1st member of Shanxi formation to the upper 8th member of Xiashihezi in Permian, Neopaleozoic are mainly sedimentary system of complex braided stream in Sulige area of Eerduosi Basin. 鄂尔多斯盆地的苏里格地区上古生界二叠系山1段至盒8上段主要为一种复杂的辫状河沉积体系。
- the second member of Shanxi Formation 山2段
- Shanxi Formation and He 8 segment 山西组及盒8段
