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expulsion of hydrocarbons
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  排烃
     During the monofactor hydrocarbon expulsion stage, oil saturation is the only controling factor to the expulsion of hydrocarbons, and the driving force of hydrocarbon expulsion is compaction;
     在单因素排烃阶段,含油饱和度是烃类排出的唯一控制因素,排烃的动力是压实作用;
短句来源
     Besides, the conclusions drawn thereby about the depth and direction of expulsion of hydrocarbons and appraisal of source rocks are different from those by static analysis in many ways.
     用动态分析法研究压实曲线能够获得许多不同于静态分析的结论,诸如,排烃深度、排烃方向以及对生油岩评价等方面。
短句来源
     The effective reservoir of deep basin gas must have densified before the mass generation and expulsion of hydrocarbons from source rock, so do the "sweet points".
     深盆气的有效储集层必须在烃源岩大量生、排烃之前就致密化,“甜点”也应在烃源岩大量生、排烃之前形成。
短句来源
     Based on the examination of the losing of organic matter due to the generation and expulsion of hydrocarbons and the weight loss of inorganic matter due to diagenesis and water expulsion, this paper presents calculations of the variations of organic matter abundance and hydrocarbon-generating potential along with changes of the organic matter type, the initial organic carbon content, the maturity degree and hydrocarbon expulsion efficiency in the geologic history;
     在同时考察源岩中有机质因生、排烃而损失和无机质因成岩作用而失重的基础上,模拟计算了地史过程中,随有机质类型、初始有机质丰度、成熟度及排烃效率的改变,烃源岩有机质丰度和生烃潜力的变化,探讨了有机碳恢复系数及生烃潜力损失率的可能变化范围。
短句来源
     in the difactor hydrocarbon expulsion stage, the expulsion of hydrocarbons is doubly controlled by critical oil saturation and critical fracturing pressure, and the driving force of hydrocarbon expulsion is fluid overpressure.
     在双因素排烃阶段,排烃受临界含油饱和度和临界破裂压力的双重控制,排烃的动力是流体超压。
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  “expulsion of hydrocarbons”译为未确定词的双语例句
     The source rocks in the lower part were rich in high contents of organic matter and type Ⅰ of kerogen, which were believed as effective source rocks (high generation and expulsion of hydrocarbons) in the depression. The source rocks in the middle part were in low contents of organic matter and type Ⅱ 2 or type Ⅲ kerogen, regarded as ineffective ones.
     其优劣性体现了在该段烃源岩中 ,Ⅰ型干酪根具有高的生产力 ,而Ⅲ型、Ⅱ2 型干酪根生烃潜力很低 ,基本为无效有机质。
短句来源
  相似匹配句对
     4) Expulsion recognizing system.
     4)点焊过程喷溅识别系统。
短句来源
     COMPOSITION FRACTIONATION DURING HYDROCARBON EXPULSION
     排烃过程的成分分馏作用
短句来源
     METHODOLOGY AND APPLICATION OF DIRECTSIMULATION ON THE HYDROCARBON EXPULSION
     直接模拟排烃量的方法及其应用
短句来源
     A STUDY TO LOWER RATE OF EXPULSION OF IUDs
     关于降低宫内节育器脱落率的研究
短句来源
     SIMULATION OF DIFFUSIVE EXPULSION FOR LIGHT HYDROCARBONS AND ITS APPLICATIONS
     扩散排烃模拟研究及其应用
短句来源
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  expulsion of hydrocarbons
On the basis of these estimates, statistical calculations can be made for the generation and expulsion of hydrocarbons.
      
Displacement of the surficial sediments by sliding and creep is probably the result of the expulsion of hydrocarbons and/or vertical motion of the Mesozoic evaporites.
      


Based on the irreversibility of compacted argillaceous rocks and the controlling effect of lithologic composition on under-compaction, a new method of dynamic analysis for the interpretation of compaction curves is proposed. With this method, under-compaction curves may be segregated into compaction curves of different types and trends of later compaction for under-compacted argillaceous rocks may be predicted. Besides, the conclusions drawn thereby about the depth and direction of expulsion of hydrocarbons...

Based on the irreversibility of compacted argillaceous rocks and the controlling effect of lithologic composition on under-compaction, a new method of dynamic analysis for the interpretation of compaction curves is proposed. With this method, under-compaction curves may be segregated into compaction curves of different types and trends of later compaction for under-compacted argillaceous rocks may be predicted. Besides, the conclusions drawn thereby about the depth and direction of expulsion of hydrocarbons and appraisal of source rocks are different from those by static analysis in many ways. Compaction curves are classified into three kinds. They may be used for forecasting and appraising of oil prospects readily.

提出一种解释压实曲线的新方法—动态分析法,它不同于一般的分析方法—静态分析法。这种方法主要是根据泥岩压实的不可逆性和岩性组合对形成欠压实所起的控制作用。利用这种方法可以把欠压实曲线分解成各种不同类型泥岩的压实曲线,特别是能获得欠压实泥岩后期压实的趋势。用动态分析法研究压实曲线能够获得许多不同于静态分析的结论,诸如,排烃深度、排烃方向以及对生油岩评价等方面。根据这一新方法,可以把压实曲线分为三类,并在此基础上能快速地进行含油气远景的预测和评价。这一方法从理论上讲比静态分析的方法科学,但仍有待于实践上的验证。

The eastern Part of Junggar basin is a new oil and gas- bearing area with principal source bed being upper Permian series. The Distribution of oil and gas here was controlled by late- palaeozoic depressions. The north Dajing depression and east of the south Changji depression seperated by an uplift appear to be two independent oil and gas- bearing units, resembling two independent oil and gas-bearing basins where distribution patterns of oil and gas are not uniformThe Dajing depression, located in the north...

The eastern Part of Junggar basin is a new oil and gas- bearing area with principal source bed being upper Permian series. The Distribution of oil and gas here was controlled by late- palaeozoic depressions. The north Dajing depression and east of the south Changji depression seperated by an uplift appear to be two independent oil and gas- bearing units, resembling two independent oil and gas-bearing basins where distribution patterns of oil and gas are not uniformThe Dajing depression, located in the north area is an oil-bearing depression where source rock and reservoir rock are the same bed.pindiquan formation is only stratigraphic unit bearing industrial oil and gas. The formation itself is source bed and reservoir rock as well as caprock. Therefore. the centre of depression was the centre of source area. In the centre of source area anticlines with middle uplift size and mature synchronous with hydrocarbon are the best oil-bearing traps. The lithologic characters, however, is a factor which should not be neglected. They are typal structural- lithologic oil pools in which oil- water interfaces are uneven whereas reservoir pressures uniform.In the south area, the east part of Changji depression is characterized with source and reservoir rocks are not the same beds. Here, more oil-bearing stratigraphic units exist, and formation course of oil and gas reservoir is very complicated.Variations of the thickness of Permian source rock are very rapid laterally, and times when the source rock came into maturity threshold are not uniform. Porous sandstones were so lack in the source rock that expulsion of hydrocarbons was impeded. This resulted in great difficulty of oil-gas migration. The main centre of source area of Permian was only situated within the limite of a long, narrow piedmont of Bogeda mountain. After early Yenshan movement this zone rose, becoming an erosional area, hence lost meaning of a source area. ln the west depression Mesozoic coal-series was a kind of source rocks. From the south slope of north Santai uplift to the downthrow of Fukang fault, oil and gas came from source centre of the piedmont and gathered into traps before Cretaceaus, and then were eroded Here.heavy, viscous oil of remaining old oil reservoirs was principal with part of oil and gas came in late. In Jimusar depression heavy arid viscous oil ca me from the unmature- low mature source rocks within the depression. The oil and gas in north faulted-nose at north Shantai uplift came from Permian in the north part of Fukang depression, and was a sort of exotic petroleum experienced secondary migration. It is still well preserved and isn't remanent reservoir. The oil and gas in the west slope of north Shantai uplift is characteristic of low density and low viscosity. This is a kind of late mature and late arriving oil and gas coming from Fukang depression.It is not the remainders of destroyed oil deposit either.It is anticipated that some small oil and gas reservoirs might be discovered in Wucaiwan depression and Hodong syncline of the northern area. In the southern area where Fukang fault zone has greater potential unfortunately, however, there are only many scattered. complex, middle and small oil and gas reservoir. Oil potential in Jimusar depression can not be neglected. Later oil and gas accumulations in the west slope of north Shantai uplift might be so important that it could change significance of the southern area

准噶尔盆地东部是一个新含油气区。主力生油层为上二叠统、油气分布受晚古生代拗陷的控制。被隆起分开的北部大井拗陷和南部昌吉拗陷东段,表现为两个独立的含油气单元,类似于两个独立的合油气盆地,油气分布的方式各不相同。 北部大井拗陷为自生自储型含油拗陷,平地泉组(P_(2p))是唯一的自生自储自盖的含工业性油气的地层单元。拗陷中心就是生油中心。在生油中心内,中等隆起幅度的共成熟型背斜,是最有利的含油圈闭。岩性因素亦不可忽视,属典型的构造—岩性油藏。油水界面参差不齐,而压力系统一致。 南部昌吉拗陷东段则属他生他储型含油拗陷,含油地层单元多,油气藏的形成过程很复杂。二叠系生油层的平面厚度变化大,且进入成熟门限的时间先后不一;其中缺乏孔隙性砂层,排烃不畅,油气运移难受大;主要生油中心仅限于山前的狭长地带,早燕山运动以后,回返隆升成剥蚀区,失去了油源区的意义。中生界煤系在拗陷西部也可生油。从北三台南坡至阜康断裂下盘,油气来自山前生油中心,形成于白垩纪前,以残余油藏的稠油为主,部分为迟到油气。吉木萨尔凹陷内的重粘油,来自凹陷內低—未成熟的生油岩。北三台北断鼻的油气来自阜康凹陷北部的二叠系,是经二次运移的异地油,保存好,不是残余油...

准噶尔盆地东部是一个新含油气区。主力生油层为上二叠统、油气分布受晚古生代拗陷的控制。被隆起分开的北部大井拗陷和南部昌吉拗陷东段,表现为两个独立的含油气单元,类似于两个独立的合油气盆地,油气分布的方式各不相同。 北部大井拗陷为自生自储型含油拗陷,平地泉组(P_(2p))是唯一的自生自储自盖的含工业性油气的地层单元。拗陷中心就是生油中心。在生油中心内,中等隆起幅度的共成熟型背斜,是最有利的含油圈闭。岩性因素亦不可忽视,属典型的构造—岩性油藏。油水界面参差不齐,而压力系统一致。 南部昌吉拗陷东段则属他生他储型含油拗陷,含油地层单元多,油气藏的形成过程很复杂。二叠系生油层的平面厚度变化大,且进入成熟门限的时间先后不一;其中缺乏孔隙性砂层,排烃不畅,油气运移难受大;主要生油中心仅限于山前的狭长地带,早燕山运动以后,回返隆升成剥蚀区,失去了油源区的意义。中生界煤系在拗陷西部也可生油。从北三台南坡至阜康断裂下盘,油气来自山前生油中心,形成于白垩纪前,以残余油藏的稠油为主,部分为迟到油气。吉木萨尔凹陷内的重粘油,来自凹陷內低—未成熟的生油岩。北三台北断鼻的油气来自阜康凹陷北部的二叠系,是经二次运移的异地油,保存好,不是残余油藏。北三台西坡的油气以低密、低粘为

This paper introduces the development of research on sealing of faults, especially the "Allan" fault-plane map and the relationships of the sealing of faults with the modes of fault activity. neotectonic stress field and the intensity of fault activity. Conclusions are as follows. ( 1 ) An "Allan" fault-plane map can show most directly the juxtaposed lithology and stratigraphic geometry across the fault. (2) Sealing increases from normal to reverse faults.and then to wrench faults. (3) Sealing is best when the...

This paper introduces the development of research on sealing of faults, especially the "Allan" fault-plane map and the relationships of the sealing of faults with the modes of fault activity. neotectonic stress field and the intensity of fault activity. Conclusions are as follows. ( 1 ) An "Allan" fault-plane map can show most directly the juxtaposed lithology and stratigraphic geometry across the fault. (2) Sealing increases from normal to reverse faults.and then to wrench faults. (3) Sealing is best when the strike of a fault is nearly perpendicular to the maximum horizontal neotectonic stress (SH).and worst when parallel to SH. (1) The greater the intensity of fault activity (especially after deposition of the regional seals or the main expulsion of hydrocarbon. and during the neotectonic stage ) .the less effective the sealina of faults.

本文介绍了国内外含油气盆地断层封闭研究进展.1.“Allan”断面图是表示断层两侧岩性对接关系沿垂向和走向变化情况的图件,用于分析断层横向封闭性.2.断层活动方式不同,其封闭性也很不相同,从扭断层向道断层、正断层封闭性渐差.在现代构造应力场作用下,与最大水平主压应力(σ1)近垂直的断层封闭性最好,与σ1近平行时最差.3.(区域盖层沉积后和排烃期后以及近代的)断层活动强度越大,封闭性越差.

 
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