下古生界储层主要由晶间孔、溶孔和裂缝组成。
The Lower Paleozoic reservoir mainly by corrosion pore, intercrystalline pore and the crack are composed.
上扬子区下古生界在贵州及其邻区发育较为完整。
The Early Palaeozoic strata of the upper-Yangtze region are fully developed in Guizhou Province and its adjacent areas.
下古生界气藏很可能形成于喜山期，其扩散损失量较小；
The gas pool of Lower Paleozoic is probably formed in Himalayans period.
下古生界储层主要以马家沟组的泥晶白云岩和粉晶白云岩为主。
The Lower Paleozoic reservoir is Majiagou formation's putty crystal dolomite and powder crystal dolomite primarily.
鄂尔多斯中部气田下古生界天然气藏的气源是目前尚未解决的重要问题。
The sources of the Lower Paleozoic natural gases in central gas field in Erdos are an important problem that has not been resolved by now.
在整个地质历史中，有两个白云岩分布的高峰期，即中生界和下古生界。
There might be two major stages in dolomite distribution throughout geologic history of Tarim basin, that is, Mesozoic and Early Paleozoic.
进而认识到，平面上桩海地区下古生界碳酸盐岩储层缝洞分布呈条带状。
In plane view, the fractures and vuggs in the Lower Paleozoic carbonate reservoirs are in zonal distribution in the study area.
下古生界在加里东运动暴露期间，黔中隆起及周缘盖层化学损失量巨大。
The loss amount of caprocks was huge because of the exposure and chemical erosion during the Caledonian tectonic movements around the upheaval in the middle of Yunnan province.
灰岩、白云岩在华北主要产于下古生界，在华南主要产于泥盆系-三叠系。
Limestone and dolomite in North Chinamainly occur in the Lower Paleozoic and those in South China in the Devonian - Triassic.
华北地区下古生界烃源岩研究对前古近系油气战略资源选区具有重要意义。
Study on the hydrocarbon source rocks of Lower- Palaeozoic in North China is very important to the Pre- Tertiary oil-gas strategic precinct.
储集层类型为下古生界奥陶系古风化壳型，其主力含气层为马家沟组第五段。
The reservoir type is Ordovician weathering crust in the Lower Paleozoic, and the main gas layer is in the fifth member of Majiagou Formation.
杨金沟白钨矿床赋存于下古生界五道沟群中上段，矿化类型主要为石英脉型。
The Yangjin'gou scheelite deposit occurs in the middle and upper parts of Wudaogou group. The mineralization types are mainly of scheelite quartz vein.
下古生界白云岩和灰岩为主要的储集岩类，上古生界则主要以砂岩储层为主。
Reservoir rocks of lower Paleozoic mainly include dolomite and limestone; reservoir rocks of upper Paleozoic mainly include sandstone reservoir.
前者属持续型保存单元，为有利的油气保存单元，是下古生界油气勘探的目标区。
The former is a continuing preserving unit, beneficial to hydrocarbon preservation, which is the target area for the Lower Paleozoic oil & gas exploration.
在岩浆侵入体热作用下，塔里木盆地下古生界碳酸盐岩局部发生了大理岩化作用。
The Lower Paleozoic carbonates of Tarim Basin were marbleized locally due to the thermal effects of magma intrusions.
杨金沟矿区白钨矿体产于下古生界五道沟群地层与印支期二长花岗岩内外接触带中。
The scheelite orebody of the Yangjingou mining area occurred in the contact zone of the lower Paleozoic Wudaogou Group strata and the Indo-Sinian adamellite.
摘要：在岩浆侵入体热作用下，塔里木盆地下古生界碳酸盐岩局部发生了大理岩化作用。
Abstract: the Lower Paleozoic carbonates of Tarim Basin were marbleized locally due to the thermal effects of magma intrusions.
南华北地区下古生界烃源岩在晚三叠世达到早成熟阶段，新生代基本未发生二次生烃作用。
In the southern North China, the lower Paleozoic source rocks reached primary maturation at late Triassic and the secondary hydrocarbon generation did not occur at the Cenozoic.
应用反射率十字图解研究了中国部分地区下古生界地层中动物有机碎屑笔石的光学各向异性。
The optical anisotropy of zooclast graptolite in some Paleozoic strata of China has been studied using reflectance cross-plot analysis.
扬子(地台)东南缘，自江西乐平向北一直缺少上、下古生界之间角度不整合接触关系的报道。
Unconformity between the Upper and Lower Paleozoic is absent from Leping of Jiangxi all the way upward, on the southeastern margin of the Yangtze platform.
富台油气田的主体构造由下古生界车古20潜山和其上覆的下第三系车3鼻状构造两部分组成。
The main structure of Futai oilfield is composed of the Lower Paleozoic Chegu 20 buried hill and the overlying Eogene Che 3 nose-like structure.
结果表明，震旦系-下古生界(下组合)主要为一套浅海陆棚相碎屑岩与台地相碳酸盐岩沉积序列。
The results indicate that there mainly develop a set of shallow Marine shelf clastic sedimentary rocks and platform carbonate rocks during the Sinian-Lower Paleozoic (Lower Assemblage) period.
下古生界烃源岩在西部坡折带及南北隆起区现今仍处于有效生油窗内（镜质组反射率小于1.3 % ）。
Nowadays, at the western slope and the northern and southern uplifts the Lower Paleozoic source formations are still in the active oil generation Rold ( R o< 1.3%).
下古生界的勘探区带评价的关键性指标首先是存在有效盖层，然后考虑张性断层对局部封盖条件的破坏作用。
The existence of effective cap rock is the key index of performing play evaluation on Palaeozoic prospecting, then to consider that tensional fault destroyed the cap rock in limited region.
新生界、中生界、上古生界、下古生界和元古界分别占总探明地质储量38%、17%、30 %、13%和2 %。
The proved reserves in Cenozoic, Mesozoic, Upper Palaeozoic, Lower Palaeozoic, Proterozoic respectively are 38%, 17%, 30%, 13% and 2% in total.
古潜山主要发育风化壳岩溶带储层和内幕储层。 下古生界碳酸盐岩裂缝-溶蚀型储集层的发育特征以有无上古覆盖是岩溶发育的前提；
The buried-hills mainly develope two kinds of reservoir, one is related to the crust of weathering and karst zone, the other is to lithology.
区内下古生界烃源岩经历了两次成油过程，第一次发生在加里东运动前的盆地沉降阶段，第二次发生在加里东运动后晚古生代陆表海沉积阶段。
The first was in the basin subsidence stage that was prior to the Caledonian movement. The second took place in the marginal sea deposition stage after the Caledonian movement.
江苏下扬子区的海相中—古生界构造演化经历了前扬子板块、稳定地台和西太平洋活动陆缘等三大阶段。
Marine Meso-Paleozoic structures in the region have undergone three evolution stages of Pre-Yangzi Plate, stable platform and West Pacific active continental margin.
在对比华北地台古生界的勘探情况下，分析了辽河东部的古生界勘探前景。
Compare to the explorations of Paleozoic in the North China platform, the prospect of the exploration of Paleozoic in Liaohe East have been analyzed.
在对比华北地台古生界的勘探情况下，分析了辽河东部的古生界勘探前景。
Compare to the explorations of Paleozoic in the North China platform, the prospect of the exploration of Paleozoic in Liaohe East have been analyzed.
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