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absolute wave impedance
相关语句
  绝对波阻抗
     The paper has reviewed processing techniques of wave impedance and forming of absolute wave impedance section which directly apply to geological interpretation, and indicated that if have no logging data in the surveying area, may be obtained relative wave impedance section with seismic channel integral technique which also favourable to geological interpretation.
     文中论述了波阻抗处理技术及直接用于地质解释的绝对波阻抗剖面产生过程。 并指出,若测区无测井数据,可应用震道积分技术,求取相对波阻抗剖面,也有助于地质解释。
短句来源
     Finally, the resulting wave impedance was calibrated with CUSI neural network analysis to yield the absolute wave impedance of the formation between boreholes.
     第三步,应用CUSI神经网络分析方法,以高分辨率的反射系数及波阻抗等参数作为约束,以沿层求取的地震特征作为输入,以井中反演的波阻抗参数为期望输出,对非线性波动方程反演出的波阻抗参数进行非线性标定,得出井间的地层绝对波阻抗物性参数。
短句来源
     After 3D high resolution seismic data of Yacheng 13-1 structure were inversed using restriction sparse pulse inversion, data volume of full-frequency band absolute wave impedance was gained.
     利用约束稀疏脉冲反演方法对崖城13—1构造的高分辨率三维地震资料进行了反演,得到了全频带的绝对波阻抗数据体。
短句来源
  相似匹配句对
     Seismic wave imPedance
     地震波阻抗反演本身属于多参数的非线性化问题。
短句来源
     Approximate inversion of wave impedance
     波阻抗近似反演
短句来源
     Absolute instability in gyro-traveling-wave tube
     W波段回旋行波管绝对不稳定性的分析
短句来源
     Finally, the resulting wave impedance was calibrated with CUSI neural network analysis to yield the absolute wave impedance of the formation between boreholes.
     第三步,应用CUSI神经网络分析方法,以高分辨率的反射系数及波阻抗等参数作为约束,以沿层求取的地震特征作为输入,以井中反演的波阻抗参数为期望输出,对非线性波动方程反演出的波阻抗参数进行非线性标定,得出井间的地层绝对波阻抗物性参数。
短句来源
     WAVE RUNUP
     波浪爬高
短句来源
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With respect to Wuerhe formation reservoir (Upper Permian) , south Dis-trict No. 5 in northwest margin of Junggar basin, the reservoir description has been madewith 2-D seismic data. Based on the reservoir framework description . 26 high-quality 2-D seismic profiles which travel through more holes have been selected in work area, thefine interpretation has been made on CHARISMA (Schlumberger Co. ) and INTEGRAL(CGG Co. ) exploration workstations. The data of seismic, logging, drill stem testing,and lab analysis...

With respect to Wuerhe formation reservoir (Upper Permian) , south Dis-trict No. 5 in northwest margin of Junggar basin, the reservoir description has been madewith 2-D seismic data. Based on the reservoir framework description . 26 high-quality 2-D seismic profiles which travel through more holes have been selected in work area, thefine interpretation has been made on CHARISMA (Schlumberger Co. ) and INTEGRAL(CGG Co. ) exploration workstations. The data of seismic, logging, drill stem testing,and lab analysis were wholly used to undergo the structure and sedimentology description,lateral tracing of oil and gas bed, backward modelling of absolute wave impedance andporosity profiles, and studies in change of porosity in plane. Gas/oil contact and oil/watercontact were determined by using varied information of seismic event and absolute waveimpedance profile. The agreement between the above results and drilling results suggestthat the fine reservoir description with 2-D seismic data in northwest margin of Junggarbasin is feasible.

以准噶尔盆地西北缘五区南油藏上二叠统乌尔禾组为实例,用二维地震资料进行油藏描述。以油藏框架描述为基础,从工区中选出26条过井多、质量高的二维地震剖面,在斯伦贝谢公司的CHARISMA和CGG公司的INTEGRAL勘探工作站上进行了精细的解释,并综合应用地震、测井、钻试和分析化验等资料描述构造、地层沉积、横向追踪抽气层、反演绝对波阻抗剖面和孔隙度剖面,研究孔隙度平面变化,利用地震多种信息和绝对波阻抗剖面确定气油界面和油水界面。研究所得出的结论与钻探结果是符合的,说明在准噶尔盆地西北缘用二维地震资料进行精细油藏描述是可行的。

The paper has reviewed processing techniques of wave impedance and forming of absolute wave impedance section which directly apply to geological interpretation, and indicated that if have no logging data in the surveying area, may be obtained relative wave impedance section with seismic channel integral technique which also favourable to geological interpretation.

文中论述了波阻抗处理技术及直接用于地质解释的绝对波阻抗剖面产生过程。并指出,若测区无测井数据,可应用震道积分技术,求取相对波阻抗剖面,也有助于地质解释。

High resolution crosshole distribution of wave impedance can be estimated through seismic and logging joint inversion. The procedure of wave impedance estimation by combined wave equation inversion and neural network analysis consists of three steps. Firstly, to carry out geologic interpretation on seismic and logging data under the priori geologic knowledge, perform correlation and calibration for horizons on logs, and determine low frequency contents of the corresponding interval velocities. Secondly, inversion...

High resolution crosshole distribution of wave impedance can be estimated through seismic and logging joint inversion. The procedure of wave impedance estimation by combined wave equation inversion and neural network analysis consists of three steps. Firstly, to carry out geologic interpretation on seismic and logging data under the priori geologic knowledge, perform correlation and calibration for horizons on logs, and determine low frequency contents of the corresponding interval velocities. Secondly, inversion of high resolution reflectivity and wave impedance parameters from seismic data under the constraints of interval velocity interfaces and borehole petrophysical parameters with nonlinear wave equation inversion technique. Finally, the resulting wave impedance was calibrated with CUSI neural network analysis to yield the absolute wave impedance of the formation between boreholes.

通过地震和测井联合反演,可以获得高分辨率的井间地层波阻抗分布的信息。综合应用波动方程反演和神经网络分析来反演地层波阻抗参数,其过程分3步:第一步,应用先验地质知识,对地震数据和测井曲线进行地质解释,并对测井曲线进行对层和标定,然后求取相应的层速度的低频信息,旨在搞清井间地层结构状况,为非线性反演提供地层产状的先验信息;第二步,应用非线性波动方程反演,在层速度界面及井中物性参数约束下,从地震数据中反演高分辨率的反射系数及波阻抗参数;第三步,应用CUSI神经网络分析方法,以高分辨率的反射系数及波阻抗等参数作为约束,以沿层求取的地震特征作为输入,以井中反演的波阻抗参数为期望输出,对非线性波动方程反演出的波阻抗参数进行非线性标定,得出井间的地层绝对波阻抗物性参数。

 
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