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- Paper has systematic summarized the characters of the Tertiary coal bearing strata of N.E.China Region,genetic types of coal,lithotype of coal,metamorphism and its rules. 系统总结了东北地区第三纪含煤地层特征、煤的成因类型、煤岩特征、变质作用及其规律。
- The authors comprehensively analyzed the geological background and the epositional characteristics of the Late Permian coal bearing strata in Laochang coalfield,eastern Yunnan. 通过对滇东老厂煤田形成的地质背景和晚二叠世含煤地层沉积特征的综合分析,剖析了典型的潮坪聚煤环境和三角洲聚煤环境及其成煤作用。
- THE COAL BEARING STRATA IN BARAPUKURIA,BANGLADESH 孟加拉国巴拉普库利亚含煤地层
- Keywords paleogeography;regional structure;coalbed methane;Longtan coal bearing strata; 古地理学;区域构造;煤层气;龙潭煤系;
- The Study on Coal Bearing Strata of Lower Cretaceous in Yangcaogou Basin of Jilin Province and the Accumulation Rules of Coal 吉林省羊草沟盆地下白垩统含煤地层与聚煤规律研究
- At the same time, coal bearing series strata in upper Paleozoic distributes within all basins, so coal-genetic gas is also abound.In order to reali... 因此,为实现大港油田天然气生产的良性循环,应坚持科技创新和油气并举的原则,加快对黄骅坳陷天然气新领域的勘探步伐,加快气田(藏)的高效开发和老区的滚动挖潜。
- Compared with Gymnospermae pollen, the fern spore has more closer relationship with soluble organism in the low - rank source rocks from the coal - bearing strata. 而蕨类孢子和裸子植物花粉相比,可能对低熟-未熟油,特别是含非烃较高的低熟油有某种更为密切的联系。
- Wu X H, Yang J Z.Optimization design of predewatering water bearing stratum [J].Zhongzhou Coal, 2000(02) :4-5. [5]吴新华;阳金知.;合理优化设计超前疏放含水[J]
- Thus , the Carboniferous paralic coal - bearing stratum is a set of excellent source rock measures with much better hydrocarbon generation potential than Jurassic source rocks. 因此该区石炭系海陆交互相含煤沉积是一套较一般侏罗系为好的烃源岩系,有较好的生烃潜力。
- The paper introduces the sedimentary environment of coal and coal?bearing strata,the properties of coal seams and the causes resulted in the variation of seam thickness in laung mining district,Kalimantan Tengah,Indonesia. ? 介绍了印尼中加里曼丹拉翁煤矿区煤和含煤岩系的沉积环境、煤层特征以及引起煤厚变化的原因。
- Dongfengshan gold deposit is occured in hornstone of Dongfengshan group under iron bearing stratum. 东风山金矿体赋存在含铁层之下的东风山群角岩层中。
- Ore bearing stratum contain richly pyrrhotite,pyrite,spessartine and dannemorite. 赋矿层位中富含磁黄铁矿、黄铁矿、锰铝榴石和锰铁闪石。
- Abstract There is coalseam methane in coalbed and coal bearing sequences in the study area. 在煤层和煤系地层中,产生并赋存着煤层气。
- Piles transfer Building loads down to a suitable Bearing stratum when the soil mass immediately Below a construction is unsuitable for the direct Bearing of footings. 若土壤松软,而不能在其上直接建地基,就必须建桩来将建筑物的重荷转移到稳定的地下层。
- Ore bearing stratum contain richly pyrrhotite,pyrite,spessartine and dannemorite.Additionly, there are smaller arsenopyrite and cobaltite. 赋矿层位中富含磁黄铁矿、黄铁矿、锰铝榴石和锰铁闪石。
- The genesis of Shuicaozi Cu deposit has a close relation with the coal bearing clastic rock formation of lacustrine bog facies. 水槽子铜矿的成因与湖泊沼泽相含煤碎屑岩建造紧密相关,多个呈似层状、透镜状的矿体,均赋存于该沉积序列中。
- The motion of underground water in hydrocarbon bearing strata of Turpan Hami Basin could be divided into sedimentary seeping water stage and seeping water stage. 吐哈盆地含油气层系的地下水运动分为沉积水渗入水和渗入水两个阶段。
- Chlorine Energy Spectrum Log provides a new method for determining remaining oil saturation.It can identify oil bearing strata and water bearing strata quickl y and intuitively. 氯能谱测井为确定剩余油饱和度提供了一种新的测井方法,它能快速、直观地识别油水层。
- This paper discussed the evolvement characteristics of sand bodies of the fourth coal bearing interval and its influence on No. 13-1 coal-seam thickness in Huainan coal field. 摘要讨论了淮南煤田第四含煤段砂体的演化特征及其对13-1煤层厚度的影响。
- As a shaft sinking method adapted to go through unstable water bearing strata in thick alluvium, special shaft sinking methods have experienced major development in China during the past decades. 特殊凿井技术作为深厚表土不稳定含水地层的井筒施工方法,数十年来在我国得到了很大的发展,目前我国的冻结法凿井应用之广在世界上已名列前茅;