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弹性波阻抗反演
相关语句
  elastic wave impedance inversion
     Prestack elastic wave impedance inversion technique and application.
     叠前弹性波阻抗反演技术及应用
短句来源
     Based on study on azimuth and angular trace assemblage in pre-stack seismic data body, hydrocarbon reservoir anisotropy analysis and elastic wave impedance inversion analysis are carried out from pre-stack, providing a thoroughly new approach to identification of structural-lithologic complex hydrocarbon reservoir, especially to carbonate reservoir.
     基于叠前地震数据体中方位角和角道集的研究,从叠前开展油气储层各向异性分析和弹性波阻抗反演分析,为构造-岩性复合型油气藏储层尤其是碳酸盐岩储层的识别提供了一种全新的手段。
短句来源
     Taking the carbonate hydrocarbon reservoir in Feixianguan Formation in Xuanhan region in northeast Sichuan as an example, anisotropy analysis and elastic wave impedance inversion are carried out. Comprehensive evaluation study is also conducted to the reservoir.
     以川东北宣汉地区飞仙关组碳酸盐岩油气藏储层为实例,开展了各向异性分析和弹性波阻抗反演,并对储层进行了综合评价研究。
短句来源
     Elastic wave impedance inversion is a seismic inversion technique combining ordinary sonic impedance inversion with AVO inversion.
     弹性波阻抗反演是一种结合了常规声阻抗反演和叠前AVO反演的地震反演技术。
短句来源
     In seismic reservoir prediction, the success rate of seismic reservoir prediction may be further improved by applying prestack elastic wave impedance inversion and seismic curvature attribute.
     在地震储层预测方面,应用叠前弹性波阻抗反演和地震资料的曲率属性能进一步提高复杂地质条件下的地震储层预测的成功率。
短句来源
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  elastic impedance inversion
     The basic theory of prestack elastic impedance inversion is briefly described in this paper and, using real data of the GD oilfield, the key steps of angle gather wavelet extraction, horizon calibration, S-wave velocity prediction, and elastic parameter extraction were analyzed and studied. The comprehensive interpretation of multiple elastic parameters determined from log analysis is a key to improving the effect of prestack seismic inversion.
     本文论述了叠前弹性波阻抗反演的基本原理,结合GD地区实际资料,对反演过程中涉及的角道集子波提取、层位标定、横波速度预测、弹性参数提取与解释等关键步骤进行了详细研究,指出基于测井资料分析的多种弹性参数综合解释是提高叠前地震反演应用效果的关键。
短句来源
     As a result of considering AVO effect,Elastic Impedance is more capable of detecting of fluid and lithology than acoustic Impedance. Apply the method of elastic impedance inversion to time-lapse seismic,use AVA constrained sparse spike inversion to process elastic impedance inversion,and use cross-plot technique to predict changes in dynamic reservoir properties,such as water saturation. Estimates of saturation allow integration of time-lapse seismic with elastic impedance inversion to improve reservoir fluid-flow prediction and enhance reservoir management decisions.
     本文将弹性波阻抗反演应用于时移地震中,采用AVA(Amplitude Variation with Angle)约束稀疏脉冲反演来进行弹性波阻抗反演,得到纵横波阻抗等弹性参数,通过交会图分析,将弹性参数转换为油藏参数,如预测含水饱和度的变化,通过本方法可增强对储层流体的预测,提高储层管理能力.
短句来源
  “弹性波阻抗反演”译为未确定词的双语例句
     Application of elastic impendence inversion in seismic monitoring of the heavy-oil thermal recovery
     弹性波阻抗反演在稠油热采地震监测中的应用
短句来源
     conducted lithologic prediction for effective recognition of reservoirs by inversion of elastic wave impedance on the basis of inversion of S-wave velocity;
     在横波速度反演的基础上,通过弹性波阻抗反演进行岩性预测,有效地识别储层;
短句来源
     In the paper,the method of elastic impendence inversion is introduced in detail and used in the inversion and explanation of seismic monitoring data. Results show it is feasible for elastic impendence inversion to be used in seismic monitoring of the heavy-oil thermal recovery.
     本文详细叙述了弹性波阻抗反演的方法,并将其应用于稠油热采地震资料的反演和解释中,结果表明弹性波阻抗反演用于稠油热采地震监测是切实可行的.
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  elastic impedance inversion
Application of joint elastic impedance inversion in the GD Oilfield
      
For the complicated reservoir description of the GD oilfield, P-wave and S-wave elastic impedance inversion was carried out using pre-stack seismic data to accurately identify the lithology of the reservoir.
      
The application of elastic impedance inversion in reservoir prediction at the Jinan area of Tarim Oilfield
      
Based on meticulous well-tie calibration, elastic impedance data volumes for 10°, 20°, and 30° emergence angles are obtained using pre-stack elastic impedance inversion.
      


In this poper, we discuss the iterative method of the acoustic impedance inversion for one-dimensional visco-elastic wave equation. Based on the one-dimensional equation and Kelvin-Vogit visco-elastic model, we have deduced a Vloterra integral equation of the second kind that is found to be suitable for numerical computation, then we apply iterative method to solve it.After we improve the present theory, the numerical computations show that this method has somewhat accuracy, performance in resistance to noise...

In this poper, we discuss the iterative method of the acoustic impedance inversion for one-dimensional visco-elastic wave equation. Based on the one-dimensional equation and Kelvin-Vogit visco-elastic model, we have deduced a Vloterra integral equation of the second kind that is found to be suitable for numerical computation, then we apply iterative method to solve it.After we improve the present theory, the numerical computations show that this method has somewhat accuracy, performance in resistance to noise and resolution and that the possibility to apply it to inverse field reflection data from plane parallel structures.

本文讨论了一维粘弹性波阻抗反演的迭代法。根据一维波动方程和KelvinVoigt粘弹模型导出了一个适于数值计算的第二类Volterra型积分方程,用迭代法求解。通过对已有方法的改进和完善,数值计算表明了该反演方法具有一定的精度、抗干扰能力和分辨率以及应用于实际水平层状地层反射地震记录反演阻抗的可能性.

Geophysical inversion is a computational process to restore subsurface geological structures and petrophysical properties from observed geophysical data.This paper outlined the evolution of seismic inversion technologies, from direct inversion to model based inversion, from linear inversion to nonlinear inversion, and from poststack inversion to prestack inversion. The inversion of elastic impedance will be one of directions of inversion development.Seismic inversion is on the way of integrating acoustic impedance...

Geophysical inversion is a computational process to restore subsurface geological structures and petrophysical properties from observed geophysical data.This paper outlined the evolution of seismic inversion technologies, from direct inversion to model based inversion, from linear inversion to nonlinear inversion, and from poststack inversion to prestack inversion. The inversion of elastic impedance will be one of directions of inversion development.Seismic inversion is on the way of integrating acoustic impedance with elastic impedance.

地球物理反演是利用观测数据恢复地下地质结构和岩石性质的方法。介绍了地震反演技术从直接反演到模型反演 ,从线性反演到非线性反演 ,以及从叠后反演到叠前反演的发展过程。弹性波阻抗反演的出现将成为反演进一步发展的方向之一 ,地震反演正走向声波波阻抗与弹性波阻抗相结合的道路。

For the complicated reservoir description of the GD oilfield, P-wave and S-wave elastic impedance inversion was carried out using pre-stack seismic data to accurately identify the lithology of the reservoir. The joint inversion was performed using three or more partial stacks to overcome the singularity of post-stack seismic inversion that can not satisfy the requirements of complex reservoir description and to avoid the instability of the inversion result caused by low signal-noise ratio in the pre-stack gather....

For the complicated reservoir description of the GD oilfield, P-wave and S-wave elastic impedance inversion was carried out using pre-stack seismic data to accurately identify the lithology of the reservoir. The joint inversion was performed using three or more partial stacks to overcome the singularity of post-stack seismic inversion that can not satisfy the requirements of complex reservoir description and to avoid the instability of the inversion result caused by low signal-noise ratio in the pre-stack gather. The basic theory of prestack elastic impedance inversion is briefly described in this paper and, using real data of the GD oilfield, the key steps of angle gather wavelet extraction, horizon calibration, S-wave velocity prediction, and elastic parameter extraction were analyzed and studied. The comprehensive interpretation of multiple elastic parameters determined from log analysis is a key to improving the effect of prestack seismic inversion.

在GD油田复杂油藏描述中应用叠前纵横波弹性阻抗反演,精确地进行了油藏岩性的划分。利用三个或三个以上部分叠加数据,进行纵横波弹性阻抗联立反演,既克服了因叠后地震反演结果单一而不能满足复杂储层描述的需求,又避免了由于叠前道集信噪比低造成反演结果不稳定的缺陷。本文论述了叠前弹性波阻抗反演的基本原理,结合GD地区实际资料,对反演过程中涉及的角道集子波提取、层位标定、横波速度预测、弹性参数提取与解释等关键步骤进行了详细研究,指出基于测井资料分析的多种弹性参数综合解释是提高叠前地震反演应用效果的关键。

 
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