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岩性处理
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  lithologic processing
     SEISMIC LITHOLOGIC PROCESSING AND LATERAL PREDICTION FOR RESERVOIRS IN HONGLIUQUAN REGION OF QAIDAM BASIN
     柴达木盆地红柳泉地区地震资料岩性处理及储层横向预测
短句来源
     AVO Effects in CDP Gathers and its Influences to Lithologic Processing.
     CDP道集内的AVO效应及对岩性处理的影响
短句来源
     Time corrected(DMO) seismic amplitudes of common reflection points are thought to be resulted from reflections in normal direction in conventional horizontal stacking theory, thus amplitude variations versus offsets(AVO) are omitted which will give rise to artifacts in further processing such as amplitude restoration and lithologic processing.
     传统的水平叠加理论认为CDP道集内的共反射点地震道振幅经时间校正 (动校正 )后是法线入射反射的结果 ,而忽略了由偏移距 (入射角 )的变化而带来的振幅变化 (AVO)效应 ,使下一步的保幅叠加和岩性处理出现“假象”。
短句来源
     By AVO forward analysis and comparison between inverted stack sections on geologic and geophysical models for clastic rock from Erdos and Tarim basins, this paper discloses its affects to amplitude and lithologic processing and provides some ways to avoid these negative influences. [WT5”HZ]
     本文通过鄂尔多斯盆地和塔里木盆地两种类型碎屑岩地质地球物理模型的AVO正演分析和叠加剖面反演处理的比较 ,指出了它对保幅和岩性处理的影响和改造作用 ,提出了避免这些影响的基本设想。
短句来源
  “岩性处理”译为未确定词的双语例句
     In the series,by taking the objective oriented large comprehensive database as the basis,the computer technique as the means,and the processing and interpretation techniques of seismic formation lithology as the core,the organic combination of multiple disciplines as geology,well logging and seismics and the processing interpretation integration under the same geological objective are realized.
     该系列以面向目标的大型综合数据库为基础,计算机技术为手段,地震地层岩性处理解释技术为核心,实现了地质、测井、地震等多学科的有机结合和同一地质目标下的处理解释一体化。
短句来源
     It is very difficult to differentiate the gas-bearing sandstones from tight sandstones in lithological processing and interpretation,therefore the AVO processing and analyzing method introduced may effectively detect the lithology and gas potential of the seismic high impedance formation by use of the AVO characteristic response caused by the Poissons ratio difference between different lithological properties,so as to raise the accuracy in seismic lithological interpretation to a certain extent.
     在岩性处理解释上 ,很难区分含气砂岩和致密砂岩。 引入AVO处理分析方法 ,利用不同岩性泊松比差异所形成的AVO特征响应 ,可以有效区分地震高阻抗层的岩性及含气性 ,部分避免了地震岩性解释上的陷阱。
短句来源
  相似匹配句对
     AVO PROCESSING、 INTERPRETATION AND LITHOLOGY IDENTIFICATION
     AVO处理解释和岩性识别
短句来源
     Natural Language Processing
     自然语言处理
短句来源
     R. japoncnsis was treated as a variety under R.
     japonensis处理为R.
短句来源
     The theory, interpretation method and data processing of the 1itho1ogic exploration technology are introduced in this paper.
     论述了岩性探测技术的理论、资料处理和解释方法。
短句来源
     ON THE LITHOLOGY OF JADEITE JADE
     翡翠岩性
短句来源
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The gas bearing sand bodies in the Upper Paleozoic in Eerduosi Basin belong to the distributary channel deposits of lake delta plain,being of the properties of low porosity,low permeability and high impedance.In accordance with such a geological objective,4 categories(15 items)of the methods and techniques were developed and summarized,and the processing and interpretation technical series of the gas bearing sand body comprehensive prediction objectives in the Upper Paleozoic in Eerduosi Basin were set up.In...

The gas bearing sand bodies in the Upper Paleozoic in Eerduosi Basin belong to the distributary channel deposits of lake delta plain,being of the properties of low porosity,low permeability and high impedance.In accordance with such a geological objective,4 categories(15 items)of the methods and techniques were developed and summarized,and the processing and interpretation technical series of the gas bearing sand body comprehensive prediction objectives in the Upper Paleozoic in Eerduosi Basin were set up.In the series,by taking the objective oriented large comprehensive database as the basis,the computer technique as the means,and the processing and interpretation techniques of seismic formation lithology as the core,the organic combination of multiple disciplines as geology,well logging and seismics and the processing interpretation integration under the same geological objective are realized.Under the guidance of AVO theory,on the basis of information theory a new logging constrained multi parameter inversion technique is proposed,which may avoid the lithologic interpretation errors caused by decrease of impedance of the gas bearing sandstone.The lithology of seismic high impedance formation can be effectively identified by use of AVO property response caused by different lithological Poisson ratios.Under the encouragement of practical drilling benefits,a step by step deep going property description is carried out for the objective sandstone reservoirs by use of a rolling mode processing interpretation method and other techniques.Through the examination of drilling,it is shown that the spacial distribution of the sandstone reservoirs with a thickness of about 10 meters can be precisely predicted by the technical series.The coincidence ratio of predicting the sand bodies is more than 70% and the drilling success ratio is up to 81.8%.

鄂尔多斯盆地上古生界含气砂岩体主要属湖相三角洲平原分流河道沉积,具低孔低渗和高阻抗特征。针对这一地质目标,研制和总结出4类15项方法技术,建立了鄂尔多斯盆地上古生界含气砂岩体综合预测目标处理解释技术系列。该系列以面向目标的大型综合数据库为基础,计算机技术为手段,地震地层岩性处理解释技术为核心,实现了地质、测井、地震等多学科的有机结合和同一地质目标下的处理解释一体化。在AVO理论指导下,以信息论为基础,提出了一种新的测井约束多参数反演技术,可克服砂岩含气阻抗值降低而造成的岩性解释陷阱;利用不同岩性泊松比差异所形成的AVO特征响应,可以有效区分地震高阻抗层的岩性;在实际钻探效益的驱动下,采用滚动式处理解释方法,应用各种新技术,对目标砂岩储集体实施逐步深化的特征描述。经钻探检验,该技术系列较准确地预测了厚10m左右砂岩储集体的空间展布形态,砂岩体预测符合率大于70%,钻探成功率达81.8%。

AVO analysis method is a seismic technique by use of the relation of the amplitude of seismic reflection wave with offset to distinguish lithology and to detect oil and gas.It is greatly conducible to the lithological exploration,because the data can be processed and analyzed by fully applying many kinds of information obtained from seismic acquisition.The gas-bearing sandstone in the Shanxi Formation of the Lower Permian of the Upper Paleozoic in E′erduosi Basin are mainly the lacustrine facies,delta plain,distributary...

AVO analysis method is a seismic technique by use of the relation of the amplitude of seismic reflection wave with offset to distinguish lithology and to detect oil and gas.It is greatly conducible to the lithological exploration,because the data can be processed and analyzed by fully applying many kinds of information obtained from seismic acquisition.The gas-bearing sandstone in the Shanxi Formation of the Lower Permian of the Upper Paleozoic in E′erduosi Basin are mainly the lacustrine facies,delta plain,distributary river course depositions,being a lithological gas reservoir with the properties as low porosity,low permeability and high impedance.It is very difficult to differentiate the gas-bearing sandstones from tight sandstones in lithological processing and interpretation,therefore the AVO processing and analyzing method introduced may effectively detect the lithology and gas potential of the seismic high impedance formation by use of the AVO characteristic response caused by the Poissons ratio difference between different lithological properties,so as to raise the accuracy in seismic lithological interpretation to a certain extent.Through applying the high-fidelity CDP gather data to make the AVO processing and analyzing,the drilling success ratio was raised and a better practical effectiveness was achieved in the exploration and development of the Shan-2 member sandstone gas reservoir with high impedance in Yulin region of Changqing gas field.

AVO分析方法是利用地震反射波振幅与炮检距的关系来识别岩性、检测油气的一种地震技术。它充分利用地震采集中的多种信息 ,进行资料处理与分析 ,对于岩性勘探有很好的帮助。鄂尔多斯盆地上古生界下二叠统山西组含气砂岩主要属湖相三角洲平原分流河道沉积 ,是一种具低孔低渗和高阻抗特征的岩性气藏。在岩性处理解释上 ,很难区分含气砂岩和致密砂岩。引入AVO处理分析方法 ,利用不同岩性泊松比差异所形成的AVO特征响应 ,可以有效区分地震高阻抗层的岩性及含气性 ,部分避免了地震岩性解释上的陷阱。在长庆气田榆林区山西组山 2段高阻抗砂岩气藏的勘探开发中 ,应用高保真的CDP道集资料进行AVO处理分析 ,提高了天然气钻井的成功率 ,取得了较好的应用效果。

Time corrected(DMO) seismic amplitudes of common reflection points are thought to be resulted from reflections in normal direction in conventional horizontal stacking theory, thus amplitude variations versus offsets(AVO) are omitted which will give rise to artifacts in further processing such as amplitude restoration and lithologic processing. By AVO forward analysis and comparison between inverted stack sections on geologic and geophysical models for clastic rock from Erdos and Tarim basins, this paper discloses...

Time corrected(DMO) seismic amplitudes of common reflection points are thought to be resulted from reflections in normal direction in conventional horizontal stacking theory, thus amplitude variations versus offsets(AVO) are omitted which will give rise to artifacts in further processing such as amplitude restoration and lithologic processing. By AVO forward analysis and comparison between inverted stack sections on geologic and geophysical models for clastic rock from Erdos and Tarim basins, this paper discloses its affects to amplitude and lithologic processing and provides some ways to avoid these negative influences. [WT5”HZ]

传统的水平叠加理论认为CDP道集内的共反射点地震道振幅经时间校正 (动校正 )后是法线入射反射的结果 ,而忽略了由偏移距 (入射角 )的变化而带来的振幅变化 (AVO)效应 ,使下一步的保幅叠加和岩性处理出现“假象”。本文通过鄂尔多斯盆地和塔里木盆地两种类型碎屑岩地质地球物理模型的AVO正演分析和叠加剖面反演处理的比较 ,指出了它对保幅和岩性处理的影响和改造作用 ,提出了避免这些影响的基本设想。

 
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