... reflection coefficient broadband expansion wavelet frequency division deconvolution frequency domain new method sand body A new method of broadband expansion based on frequency division deconvolution and its application in reservoir description Xuan Guo *, Jiangbo Huang, Dongjia Hou, Jingchao Wu...

... the model in the frequency domain; and subsequently produce dispersion objective function, in the frequency domain, for a the time-domain seismogram by the inverse Fourier tri-linear finite element to improve accuracy without transformation. Rather than using a higher order sacrificing efficiency...

... into the frequency domain with isochronous interface as the constraint, selects an appropriate constant bandwidth, carries out waveform clustering with variable time window, and analyzes seismic facies. This method has achieved good results in the prediction of dolomite distribution in complex areas such as Ordos...

... the theoretical feasibility of the short spacing detector. It overcomes the technical the transient electromagnetic far-field detection method. In limitation of conventional frequency domain 2007, Banning used sawtooth excitation and used a transient electromagnetic logging tool to realize far-field detection...

... survey with S- in the frequency domain. There is thereby no overlap with /M-DSA onshore Abu Dhabi. In this paper, we introduce each other in the frequency domain. This allows quite this pilot survey and the resulting acquisition productivity straightforward deblending by physically separating...

... are frequency- terms, which facilitates constructing the Q-compensated dependent and a complex-valued velocity is also included in formula, the FFD term. Second, to obtain a stable Q-compensated wavefield, we design a filter in the frequency domain by 1 1 comparing two propagating wavefields. The method...

... component p-impedance upstream oil & gas stochastic inversion seismic data deterministic inversion frequency domain msi Modified Stochastic Inversion (MSI) Anat Canning*, Dominique Mouliere, Yuval Weiss, Henrique Mageste, Taehee Kim, João Muniz, Fernando Vizeu and Anastasya Teitel, Emerson E&P...

... misfit function waveform inversion full waveform inversion polarity reservoir characterization time domain iteration simultaneous source full waveform inversion gradient phase rotation frequency domain wang static shift seg international exposition wavefield geophysics Arfken...

... reverse time migration (RTM) with the rough topography have been proposed in the time domain. Compared with the time-domain seismic imaging methods, the frequency-domain seismic imaging methods provide more straightforward estimation of model parameters and direct implementation of multiple sources. Here...

... dataset. In this paper, we propose a method for seismic data interpolation by using the conditional generative adversarial network in time and frequency domain (TF-CGAN). This network consists of two parts, a generation network and a discrimination network. Seismic data and the FFT-transformed data...

... convolution model in complex frequency domain and obtain a reliable low-frequency EI model by compensating long-wavelength information with the consideration of damping factor. Afterwards, the broadband EI is obtained with Bayesian inference. In Bayesian approach, the inversion can be regarded as a mathematic...

... a novel CIG that spectrally decomposes RTM into frequency-domain (FD) partial images, which dramatically reduces the computation time compared with conventional offset-domain or angle-domain CIG. Without any substantial computation, FDCIG is readily available in FD RTM. This advantage can also...

... upstream oil & gas frequency domain reservoir characterization geometry zhdanov resistivity wire path inductive coupling domain response Burtman , V. , H. Fu , and M. Zhdanov , 2014 , Experimental study of induced polarization effect in unconventional reservoir...

... rather than a mono-frequency. In contrast, it can be conveniently applied in the frequency domain, because modeling is carried out for each frequency. Numerical examples show that (1) the new sponge boundary condition in the frequency domain has a tendency of suppressing high-frequency components...

... noise ratio hilbert transform envelope spectrum frequency domain frequency upper envelope main frequency analytic envelope high frequency part new method extract useful harmonic artificial intelligence exploration frequency part Daubechies , I. , 1992 , Ten lectures on wavelets...

... ABSTRACT A linearized Q-compensate AVO inversion approach is proposed. First, we derive the forward modeling matrix in frequency domain and transformed to time domain by Fourier transform. Then, by defining the complex traveltime in frequency domain, we can model AVO gathers with attenuation...

... both in the space and time dimension. The latter M-DSA allows indeed straightforward deblending by filtering and physically separating frequency channels in the frequency domain. We evaluated the deblending performance for several scenarios of blended acquisition. The results showed that: S-DSA attains...

... ABSTRACT We present a direct method for computing seismic wavefields which is applicable to be used in frequency-domain FWI for both acoustic and elastic cases. These can be approximated with high order accuracy finite-difference schemes. The method is based on triangular factorization...

... ABSTRACT We address the estimation of the impulse response at a reflector by deconvolving the up- and downgoing waves. Deconvolution in the time domain can be written as a linear system with multiple right-hand sides in the frequency domain. A straightforward way of solving these systems...

... throughout the fracture monitoring process, from the layout configuration to data processing and analysis of frac stages. Presentation Date: Tuesday, September 17, 2019 Session Start Time: 8:30 AM Presentation Time: 10:35 AM Location: 225C Presentation Type: Oral frequency domain noise...