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储层变化
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  formation variation
     Method By using dynamic physical simulation, numerical simulation of formation variation during thermal recovery, crude oil properties, organic geochemical analysis, sensitivity evaluation for thermal recovered formation, and the like novel techniques, alteration with respect to oil, water, and rock in formation during thermal recovery has been analyzed accordingly.
     方法 采用动态物理模拟、热采储层变化数值模拟、原油性质变化有机地球化学分析和热采储层敏感性评价等新技术 ,分析了储层中的水、油、岩在热采条件下的变化趋势。
短句来源
  reservoir change
     Combined with other data , they provide important means in the research of reservoir change and distribution of remaining oil saturation.
     在综合其它测井方法后,能对研究储层变化、寻找剩余油分布等提供重要的手段。
短句来源
  reservoir changes
     The application examples show that the interlayer contradiction of the development block is revealed by using the monitoring data, which would be used to analyze the horizon of water production and water direction, understand the rule of reservoir changes under injector-producer group, know the conditions of producing reserves in oilfields and provide important basis for water controlling and oil stabilizing
     应用实例表明 ,动态监测资料揭示了开发区块的层间层内矛盾 ,可用于分析油井出水层位及来水方向 ,了解注采井组井下储层变化规律 ,掌握油田储量动用状况 ,为实施控水稳油措施提供重要依据
短句来源
     But for complex type reservoir or lesser wells in the work area,reservoir changes between wells exist biggish indetermination.
     但对于复杂类型储层或井点较少的工区,井间储层变化存在较大的不确定性。
短句来源
  “储层变化”译为未确定词的双语例句
     In this paper, we proposed that changing belts of the reservoirs between anticline Ad-2 and Ad-1 is the reason that distributions of Mi4, Ru1, Ru2b and Ma1 is confined to the well Ad-1 and Ad-3 area of the anticline.
     提出了 AD-2 背斜和 AD-1 背斜之间的储层变化带是导致 Ru1、Ru2a、Ru2b 和 Ma1 油藏仅分布在长轴背斜构造的AD-1 和 AD-3 井区的原因。
短句来源
     Experiment study of sandstone reservoir variation during heavy oil production with steam huff
     辽河油区砂岩稠油油藏蒸汽吞吐开采中储层变化的实验研究
短句来源
     Experimental study on formation during thermal recovery in Liaohe oil province.
     辽河油区稠油热采中储层变化实验研究
短句来源
     Although quite different in well logs and seismic information, they can be synthetically studied with the aid of the abovementioned statistic methods on the basis of the reservoir models constructed from the cores, well logs and interwell seismic information.
     虽测井信息与地震信息就其采样的储集空间来说处于两个极端,但应用统计学方法,如多元统计、地质统计学等,可以把这两种处于两个极端的信息综合起来。 其具体实现是依据岩心、测井,参照井间地震建立储层变化模型,并借助于这一模型用合适的统计方法将这些不同分辨尺度的信息有机地融合在一起。
短句来源
     Wen72 fault block has geology character of complex structure、high pressure、low permeability、large variety reservoir Jong span、complex relation of oil and gas、 scattered reserves distributing etc, which make it difficult to exploit .
     文72断块区气顶气藏具有构造复杂、高压低渗、储层变化大、跨度大、油气关系复杂、储量分布零散等地质特点,开发难度很大。
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      reservoir change
    Gas content in a coal is not fixed; it can change when equilibrium conditions in the reservoir change.
          
    That is, the operating conditions of the reservoir change with position.
          
      reservoir changes
    Construction of an ileal reservoir changes the fecal bacterial flora and the fecal composition of bile acids and short-chain fatty acids.
          
    1.The chemical composition of the water of the Mingechaur reservoir changes little during the year.2.The corrosion rate of St.
          
    Differencing attribute volumes derived from successive surveys allows the study of the dynamics of reservoir changes, including fluid movements.
          
    In order to bring out all these temporal characteristics to study the reservoir changes,the Principal Component Analysis was done.
          
    This estimation of the reservoir changes is linked to the choice of the porosity model used in FRACHEM, namely the double fracture and grain model.
          
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    In terms of the attenuation difference which seismic waves of different frequencies cause in various rock formations, the author advanced a new seismic-trace analysis technique that is called pseudo frequency log (F-LOG), High attenuation index that indicates the attenuation degree of relative high-frequency seismic content is obtained by making frequency spectrum analysis of seismic traces. In order. to remove the influence of unrelated factors, ratio is used. Thus, the high attenuation index only means relative...

    In terms of the attenuation difference which seismic waves of different frequencies cause in various rock formations, the author advanced a new seismic-trace analysis technique that is called pseudo frequency log (F-LOG), High attenuation index that indicates the attenuation degree of relative high-frequency seismic content is obtained by making frequency spectrum analysis of seismic traces. In order. to remove the influence of unrelated factors, ratio is used. Thus, the high attenuation index only means relative degree A F-LOG curve consists of high attenuation indexes of all sampling values of a seismic trace. Its relative high values indicate that the relevant fomation is relatively soft, loose, or hydrocarbon bearing.Hence, F-LOG curves may be used to predict reservoir variation. It is discussed how we improve resolution and make horizon correlation of F-LOG curves. This method was used to analyse fractured-porous reef gas reservoir in Leping series, fractured-caved limestone gas reservoir in Yangxin series, and fractured needle-like porous dolomite gas reservoir in middle-Triassic system in Sichuan basin. Good effect was received.

    根据不同岩石对地震波不同频率分量衰减的差异,作者提出一种新的地震道分析技术,称为拟频率测井,用F-LOG表示。在地震道频谱分析的基础上,提取一个表征高频分量衰减程度(较低频分量而言)的参数,叫高衰指数。为了消除不相干因素的影响,计算中采用比值表示,故所得高衰指数只表示相对大小。 F-LOG是由地震道上每个样点值的高衰指数组成,它的相对高值表示对应的地层是岩石相对柔软、疏松或含油气情况。因此,利用这种F-LOG曲线有可能对储层的变化作出预测。文中讨论了F-LOG的层位标定、对比和提高分辨率的具体方法。采用本方法对四川盆地的乐平统生物礁的裂缝-孔隙性气藏;阳新统灰岩的裂缝-溶洞性气藏及中三叠统白云岩的裂缝-针孔性气藏开展了试验,获得了良好的效果。

    It is verified that the basalt in Sichuan Basin is a new gas-bearing domain being of wide exploration potential by Zhou-1 well of which open flow capacity is 50×10 ̄4 m ̄3/d, drilled in P_2 basalt of Zhougongshan structure in southwest part of the basin. The domain has 1.9×10 ̄4 km ̄2 explorative area and 40 structures being able to drill. The reservoir belongs to vug-fissure type, some area is fissure-vug type. Gas source is sufficient. The gas is mainly from P_2 coal measure on the basalt side or is the mixing...

    It is verified that the basalt in Sichuan Basin is a new gas-bearing domain being of wide exploration potential by Zhou-1 well of which open flow capacity is 50×10 ̄4 m ̄3/d, drilled in P_2 basalt of Zhougongshan structure in southwest part of the basin. The domain has 1.9×10 ̄4 km ̄2 explorative area and 40 structures being able to drill. The reservoir belongs to vug-fissure type, some area is fissure-vug type. Gas source is sufficient. The gas is mainly from P_2 coal measure on the basalt side or is the mixing source gas from bower Yangxin Series. In the light of reservoir changes, oil-gas mothballing conditions and differential accumulation principle, the structural zones being nearer gas souce and higher elevation such as Zhongongshan, Zhanmaoshan, Hanwangchang, Sanshuchang, Shoubaochang,Laolongba, Tiangongtang etc are considered having the best gas-bearing conditions and should be firstly explored.

    1992年底,在四川盆地西南部周公山构造所钻的周1井首次在上二叠统玄武岩中获得了无阻流量50万m~3/d的工业气流,引起了各界关注,并开始对玄武岩的含气性进行研究。研究认为:玄武岩是四川盆地一个新的具广阔前景的含气领域,可供勘探面积约1.9万km~2,可供钻探构造达40个;储层属孔洞-裂缝型,局部有裂缝-孔洞型;气源充足,天然气主要来自玄武岩侧向的上二叠统煤系,也有来自下伏阳新统的混源气。根据储层变化、油气封存条件及差异聚集原理认为,离气源相对较近、海拔相对较高的构造带如周公山、毡帽山、汉王场、三苏场、寿保场、老龙坝、天宫堂等构造含气条件最好,应优先钻探。为选准有利目标,今后应加强玄武岩储层次生作用、横向变化及天然气地质综合研究,精选井位,以及早打开玄武岩气藏的勘探局面。

    Tow new seismic trace analysis techniques used for reservoir transveralpredication are inferred. Frequency information of seismic waves is abstrated by F-LOGanalysis technique. The relative value between high frequency and low frequency in attenuation degree when seismic waves pass through strata is studied, which shows that the peakvalue abnormal in F-LOG curve is a comprehensive reflection of lithology, pores, fracturesand fluid-bearing conditions and it is an important measure for researching reservoirchanges....

    Tow new seismic trace analysis techniques used for reservoir transveralpredication are inferred. Frequency information of seismic waves is abstrated by F-LOGanalysis technique. The relative value between high frequency and low frequency in attenuation degree when seismic waves pass through strata is studied, which shows that the peakvalue abnormal in F-LOG curve is a comprehensive reflection of lithology, pores, fracturesand fluid-bearing conditions and it is an important measure for researching reservoirchanges. Transfer wavelet section is abtained by eliminating wavelet influence to acquire reflection coefficient section, then convolved by the width of 2-5ms, because of the correlationof fitting walelet with actual wavelet in seismic record. It is practically proved that transferwavelet section has higher vertical and lateral resolution factor, being of very important effect on tracing the variation of subsurface reflected interface form horizon contrast, horizontal calibration and mapping reflected interface structure. The reliability of the methods isproved by theoretical model' Through researching the structures and reservoirs of T21 1 andT3x2 1 in Naxi structure, the validity and applied value of the new techniques are proved. Therecognition mode of 4 types of reservoirs un F-LOG section and transfer wavelet section areset up. Good results of predicating various non-anticlines and combination traps can be obtained by the above methods which have very important applied values in oil-gas exploration.

    推出两项用于储层横向预测的地震道分析新技术。F—LOG分析技术提取地震波中的频率信息,研究地震波在通过地层时,波的高频成分较之低频成分在衰减程度上的相对值。研究表明:F—LOG曲线上的峰值异常综合地反映了岩性、孔隙、裂缝和含流体情况,是研究储层变化的重要手段。换子波剖面技术采用拟合于波与地震记录中实际子波相关,并消去子波影响得到反射系数剖面,再用宽度为2~5ms的方法与其褶积得到换子波剖面,实践表明,换子波剖百有较高的纵向和横向分辨率,对追踪地下反射界面的形态变化、层位对比、层位标定及绘制反射界面构造图有很重要的作用。理论模型验证了方法的可靠性。对磨溪构造雷-1层和香二段进行构造与储层的研究,证明了新技术的有效性与应用价值。同时,建立了4种储集类型在F—LOG剖面和换子波剖面上的识别摸式,应用上述方法预测各种非背斜和复合型圈闭,效果较好,在油气勘探中具有重要的实用价值。

     
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