描述了地震属性的拟测井反演方法,即从地震属性中反演能够反映煤层特征的拟测井曲线。
A pseudo log inversion method of seismic attribute is discussed. The pseudo log responding coal seam character was inverted from seismic attributes.
其中测井反演不仅提供用于地质解释的参数,还把它作为宽带约束反演的初始模型及约束条件;
The well-log inversion results can not only provide parameters for geological interpretation, but also be used as the initial-model and constrained condition of broadband-constrained inversion.
测井控制下的地震反演一般用于评价阶段,为评价井位部署和探明储量提供详实的地质依据。
Well log constrained seismic inversion is usually applied at the evaluation stage, which may provide abundant geological evidences for evaluating well placement and the proved reserves.
岩石孔隙度和地震波速度之间存在着内在联系,利用地震和测井数据反演井间孔隙度值是储层预测的主要内容之一。
Interal relationship exists between porosity and seismic-wave velocity, and inter-well porosity inversion with seismic and logging data is one of the key elements of reservoir prediction.
本文对核磁共振测井数据的高分辨率弛豫谱反演技术及实际应用效果进行了讨论。
The paper mainly discussed the applied effects of high resolution inversion of relaxation spectrum in nuclear magnetic resonance (NMR) logging data.
地震反演的主要任务是依据地震资料并综合利用地质、测井等资料得到地下地层的详细信息。
The main task of seismic inversion is to get the detailed subsurface stratigraphic information by the use of seismic, geological and logging data.
即从测井数据出发,在地震资料的控制下,通过逐次迭代,精确地反演岩性及厚层参数,有效地解决了反演的多解性问题。
Guided by seismic data, we use logging data to invert lithological parameters and bed thickness exactly by successive iteration, hence solving the problem of multi solution in inversion.
由于其测井响应对地层纵向边界的探测灵敏度比对其他地层参数的大得多,在其资料反演中必须重视地层纵向边界位置的提取和反演精度。
Because the sensitivity of logging response to the layer's boundary is much higher than that to other formation parameters, so how to accurately pick up the layer's boundary is important.
测井数据标准化处理和储层精细标定是约束地震反演基础工作的核心。
Standard processing of logging data and fine labeling of reservoir are the kernels of basic works of constrained seismic inversion.
针对单道超声反射式水泥胶结测井,从理论方法上研究如何从一维反射资料反演第一界面窜槽时水层的厚度。
Thickness reversion method of water layer from one dimension reflective data in ultrasonic reflective cement bond logging is theoretically studied when the first interface is bad bonded.
综合利用井中的地震、测井和钻井资料等,用统计拟合方法和非线性反演方法建立压力预测模型。
A pressure predicting model is established by synthetically using the data of seism, well logging and well drilling in combination with statistical matching method and nonlinear inversion.
电阻率反演是电测井曲线校正的重要方法。
Resistivity inversion is an important environmental correction method for electrical logging curves.
在测井资料中,通常缺乏的就是横波资料,这给地震波正演模拟和地震反演都带来很大的困难。
It's difficult to deal with seismic acoustic forward modeling and seismic inversion for the absence of shear wave data usually.
标准化处理保证了测井资料的可靠性,进而保证了反演结果能量的均衡。
The well data standardized is reliable and would contribute to power balance of the inversing result.
应用测井约束反演资料,可对湖泛面及高分辨率时间地层单元进行高精度的追踪对比。
The correlation of flooding surfaces and high resolution chronostratigraphic units can be made using well logging constrained seismic inversion data.
反演依靠一维合成声波测井的结果,以地震地质解释的成果为约束,顺层横向递推形成初始波阻抗模型。
Combined with the result of one dimensional synthetic acoustic curve and seismic geological interpretation, comprehensive constrained inversion forms primitive impedance model along with layers.
根据离散反演理论,综合测井和地震资料,充分考虑了地震子波的振幅特点和相位特点,给出了精确计算井旁地震子波的方法。
According to the theory of discrete inversion, an accurate method of seismic wavelet extraction was proposed by using well log data and seismic data.
利用速度模型反演技术,准确地描述了表层速度和厚度的纵横向变化细节,弥补了微测井单点调查的不足。
Inversion of surface model can depict the details of surface velocity and thickness, and makes up the shortcomings of uphole data.
测井与地震联合反演主要用于开发阶段,其结果能分辨薄层目标,适合于精细油藏描述。
And at the development stage, well log-seismic joint inversion is necessary for detailed reservoir description and identification of thinner layers of interest.
地震储集层预测一般分为递推反演、测井约束反演和叠前反演三大类,应用时有条件限制。
Generally, reservoir predicting technologies can be classified as: recurrence inversion, logging restriction inversion and pre-stack inversion, which should be fit to some conditions in application.
针对三层地质模型,进行了电磁波测井三参数反演方法研究。
Based on the three-lager model, three parameter inversion is carried out for the electromagnetic wave logging.
一些数值例子表明,只利用双感应测井信号也能很好地反演出地层电导率径向剖面,且反演结果与真实电导率剖面分布吻合得相当好。
Some numerical examples show that the inversion results are in much good agreement with the true conductivity profile by dual induction tools measurements at the axis points.
提出了一种基于测井数据和叠前地震反演参数的流体饱和度定量预测方法——孔隙体积模量法。
A new method based on well logging data and pre-stack seismic inversion parameters, which is called pore bulk modulus method, is presented to quantitatively calculate pore fluid saturation.
利用测井资料中垂向分辨率和地震资料横向密集采样特点的综合约束反演技术,极大地提高了波阻抗剖面的分辨率。
Comprehensive constrained inversion makes full use of detailed vertical resolution of well data and horizontal dense sampling, greatly improves resolution of impedance profile greatly.
提出了一种旨在提高电磁波电阻率测井纵向分辨率的快速反演方法。
Given in this paper is a new method which aims to improve the vertical resolution of wave propagation resistivity logging curves.
研究了沃尔什函数在测井资料反演中降低反演维数的原理和方法。
The principle and the methodology of Walsh function decreasing the unknowns and reducing the dimensions in well logging data inversion are studied.
利用多极子阵列声波测井资料提取直达斯通利波、计算斯通利波中心频率偏移和时间延迟来进行地层渗透率反演的方法已被研究了多年。
In this paper, developed are a method and correspondent software for calculating formation permeability from the center frequency shift and travel time delay in direct Stoneley wave.
实例计算表明,这种降维方法使测井资料高分辨率反演成为可能。
An example presented in the paper demonstrates that this reduction of dimension makes the high-resolution inversion of the normal well logging data possible.
双感应测井在油田现场应用非常普遍,其数据反演属于非均匀介质中电磁波逆散射问题范畴。
Inversion of dual induction logging measurements belongs to the category of electromagnetic inverse scattering in nonhomogeneous media.
双感应测井在油田现场应用非常普遍,其数据反演属于非均匀介质中电磁波逆散射问题范畴。
Inversion of dual induction logging measurements belongs to the category of electromagnetic inverse scattering in nonhomogeneous media.
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