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   the shanxi formation 在 石油天然气工业 分类中 的翻译结果: 查询用时:0.33秒
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the shanxi formation
相关语句
  山西组
    Research on Controlling Factors of the Shanxi Formation Reservoir in North-east Ordos Basin
    鄂尔多斯盆地东北部山西组储层控制因素分析
短句来源
    Reservoir Characters of Classic Rocks of the Shanxi Formation at Yi-Meng Area, Northern of Ordos Basin
    鄂尔多斯盆地北部伊盟地区山西组碎屑岩储层特征分析
短句来源
    The gas source rocks in the Lower Paleozoic are the carbonate rocks of the Majiagou Formation,Ordovician,while those in the Upper Paleozoic are the clastic rocks of the Taiyuan Formation,Carboniferous and the Shanxi Formation,Permian.
    下古生界气源岩为下奥陶统马家沟组碳酸盐岩,上古生界气源岩为石炭系太原组和二叠系山西组碎屑岩;
短句来源
    The reservoir bed in the Lower Paleozoic is the weathering crust of the Majiagou Formation,while the reservoir beds in the Upper Paleozoic are the Benxi Formation and Taiyuan Formation,Carboniferous and the Shanxi Formation and Lower Shihezi Formation,Permian; the former is the mainly carbonate rocks and the latter the clastic rocks.
    下古生界储集层为马家沟组风化壳,上古生界储集层为石炭系本溪组、太原组和二叠系山西组、下石盒子组,前者以碳酸盐岩为主,后者以碎屑岩为主;
短句来源
    sandy-conglomerated braided channel of middle fan. the point-sandbar deposit ofmeandering river and the distributor channel sand of the delta-plain are the main sandstone reservoir of the shanxi formation at the Yi-Meng area.
    伊盟地区早二叠世早期山西组发育的冲积扇的扇中砂、砾质辫状河道砂体、曲流点坝及三角洲平原分流河道砂体是本区的主要储集砂体。
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  the shanxi formation
The thickness of the Shanxi Formation is from 18.6 m to 213.25 m, with the thickness of coal seams from 0.10 to 10 m and averaging 4.2 m.
      
The Shanxi Formation consists of sandstones, siltstones, mudstones, and coals, with the limestones being locally developed.
      


The north of Eerduosi Basin is the migration oriented region of natural gas,being of fair source reservoir caprock conditions.The gas source rocks in the Lower Paleozoic are the carbonate rocks of the Majiagou Formation,Ordovician,while those in the Upper Paleozoic are the clastic rocks of the Taiyuan Formation,Carboniferous and the Shanxi Formation,Permian.The reservoir bed in the Lower Paleozoic is the weathering crust of the Majiagou Formation,while the reservoir beds in the Upper...

The north of Eerduosi Basin is the migration oriented region of natural gas,being of fair source reservoir caprock conditions.The gas source rocks in the Lower Paleozoic are the carbonate rocks of the Majiagou Formation,Ordovician,while those in the Upper Paleozoic are the clastic rocks of the Taiyuan Formation,Carboniferous and the Shanxi Formation,Permian.The reservoir bed in the Lower Paleozoic is the weathering crust of the Majiagou Formation,while the reservoir beds in the Upper Paleozoic are the Benxi Formation and Taiyuan Formation,Carboniferous and the Shanxi Formation and Lower Shihezi Formation,Permian;the former is the mainly carbonate rocks and the latter the clastic rocks.The regional caprocks of the gas reservoirs in the weathering crust of the Lower Paleozoic are the mudstone,bauxitite and bauxitic mudstone at the bottom of the Carboniferous,while those of the gas reservoirs in the Upper Paleozoic are the argillaceous rocks of the Upper Shihezi Formation,Permian.Because the natural gas was accumulated in two different fields and its reservoir formation is of various properties,the controlling factors of gas accumulation are different.The natural gas accumulation in the Lower Paleozoic was mainly controlled by the gas source,regional facies change,caprock and palaeogeomorphology,while the decisive factors controlling the natural gas accumulation in the Upper Paleozoic were the gas source,sand body,the development degree of regional structure,and the matching of source rock′s hydrocarbon generation period with trap formed time.

鄂尔多斯盆地北部为气源运移的指向区,具有较好的生储盖条件。下古生界气源岩为下奥陶统马家沟组碳酸盐岩,上古生界气源岩为石炭系太原组和二叠系山西组碎屑岩;下古生界储集层为马家沟组风化壳,上古生界储集层为石炭系本溪组、太原组和二叠系山西组、下石盒子组,前者以碳酸盐岩为主,后者以碎屑岩为主;下古生界风化壳气藏的区域盖层为石炭系底部的泥岩、铝土岩及铝土质泥岩,上古生界气藏的区域盖层为二叠系上石盒子组泥质岩。由于天然气聚集于两个不同的领域,其成藏各具特点,因而天然气富集控制因素就有所不同:下古生界天然气富集主要受气源、区域性岩相变化、盖层及古地貌影响,而控制上古生界天然气富集的决定因素有气源、砂岩体、局部构造的发育程度及源岩生烃期与圈闭形成期的匹配。

sandy-conglomerated braided channel of middle fan.the point-sandbar deposit ofmeandering river and the distributor channel sand of the delta-plain are the main sandstone reservoir of the shanxi formation at the Yi-Meng area. The sand bodies are consisted of quartz sandstone and lithic sandstone with abundant impurity and lithic fragment. It is characterized by the low porosity, low permeability , the heterogeneities and secondary pores predominantly. Their physical property are associated with its depositional...

sandy-conglomerated braided channel of middle fan.the point-sandbar deposit ofmeandering river and the distributor channel sand of the delta-plain are the main sandstone reservoir of the shanxi formation at the Yi-Meng area. The sand bodies are consisted of quartz sandstone and lithic sandstone with abundant impurity and lithic fragment. It is characterized by the low porosity, low permeability , the heterogeneities and secondary pores predominantly. Their physical property are associated with its depositional micro-facies: the physical property of the point-sandbar deposit.the distributor channel deposit and sandy-conglomerated braided channel gradually become worse and worse. Based on the relationship between pore-throat types,the shanxi formation sandstone reservoir could be c1assified into four types. The reservoir of middle porosity and low permeability with solution pore and remainder intergranular porosity is distributed of the point-sandbar deposit and the distributor channel deposit are mainly objective formations of exploration in South Yi-Meng;The reservoir of low porosity and low permeability with intercrystal pore is distributed of the sandy-conglomerated braided channel and can consisted of the lithologic reservoir with tectonic setting;The compacted reservoir with micro-pore and micro-fracture scarcely are discovered oil and gas in the area; The exceed compacted reservoir with no pore and fracture are not discovered oil and gas in the area.

伊盟地区早二叠世早期山西组发育的冲积扇的扇中砂、砾质辫状河道砂体、曲流点坝及三角洲平原分流河道砂体是本区的主要储集砂体。砂岩主要为富杂基、富岩屑的石英砂岩及岩屑砂岩。储层总体上具有低孔低渗、非均质性强、次生孔隙占主导地位的特点,并按照曲流点砂坝、分流河道、砂、砾质辞状河道沉积的次序储层物性依次变差。依据孔喉分布特点将山西组碎屑岩储层归为为四种类型:中孔低渗型、低孔低渗型、致密型和超致密型,它们的物性依次由好变坏。其中中孔低渗型储层以溶蚀孔和残余粒间扎为主,多发育于南部三角洲平原分流河道砂体及北部的曲流点坝中,为伊盟地区的主要储集层;低孔低渗型储层以晶间孔为主,多发育于冲积扇扇中砂、砾质辫状河道砂体中,在有局部构造存在的条件下可能形成构造背景下的岩性气成;致密型储层以微孔、微缝为主,仅局部地区见油气显示;超致密型储层,基本上无勘探意义。

E′erduosi Basin is a tectonically simple,large-scale,multicycle,cratonic basin with an area of 25×10 4km 2。The melanic mudstones,coal beds and limestones in the lower part of the Carboniferous-Permian of the Upper Paleozoic are of high organic matter content,high thermal evolution level and high gas generating potential,which provided sufficient gas source for forming Paleozoic gas reservoirs;their middle-lower part is a set of sandstones of fluvial facies and delta facies,which are the major reservoirs in...

E′erduosi Basin is a tectonically simple,large-scale,multicycle,cratonic basin with an area of 25×10 4km 2。The melanic mudstones,coal beds and limestones in the lower part of the Carboniferous-Permian of the Upper Paleozoic are of high organic matter content,high thermal evolution level and high gas generating potential,which provided sufficient gas source for forming Paleozoic gas reservoirs;their middle-lower part is a set of sandstones of fluvial facies and delta facies,which are the major reservoirs in the Upper Paleozoic and the argillaceous rocks of alluvial flat facies in their upper part are the good cap-rocks.The structural traps are mainly found around the basin′s circumference with developed sandbodies,where activated tectonically during Yanshan epoch;the interior of the basin was stable tectonically and a south-north large-sized lithological trap was formed in the south-north fluvial-delta complex sandbodies sealed laterally by the argillaceous rocks of fluvial faciec on the west-tilted monocline with dip angles of less than 1°.Therefore,small-sized structural gas reservoirs are mainly formed around the basin′s circumference and large-sized lithologic gas reservoirs in the interior of the basin,which have been proved by the Shenglijing gas reservoir in the fault-flod zone along the west edge of the basin and by the Shan-2 member gas reservoir of the Shanxi Formation,the Lower Permian,at the area of well Shaan-141 on the Yishaan slope.

鄂尔多斯盆地是一个构造简单的大型多旋回克拉通盆地 ,面积约 2 5× 10 4 km2 。上古生界石炭—二叠系下部沉积的暗色泥岩、煤层和石灰岩有机质含量高、热演化程度高、生气能力强 ,为古生界气藏的形成提供了充足的气源 ;其中下部为一套河流、三角洲砂岩沉积 ,是上古生界的主要储层 ;而其上部的河漫湖相泥质岩为良好盖层。盆地周边在燕山期构造活跃 ,砂体发育 ,以构造圈闭为主 ;盆地内部构造稳定 ,在倾角不到 1°的西倾单斜上 ,南北展布的河流三角洲复合砂体与侧向河流间湾泥质岩 ,形成了近南北向的大型岩性圈闭。因此 ,盆地周边发育以构造控制为主的小型气藏 ,盆地内部则以大型岩性气藏为主 ,盆地西缘断褶带胜利井气藏和伊陕斜坡上的陕 141井区下二叠统山西组山 2段气藏等的存在就反映了这一特征。

 
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