Constrained sparse spike inversion
WebMay 29, 2024 · Sparse spike inversion, model-based inversion, recursive inversion, and colored inversion are the techniques of post-stack inversion. All of these techniques are grouped together as deterministic methods because they … WebJul 19, 2024 · Sparse‐spike deconvolution is a widely used method for improving the resolution of seismic data. ... (2024) Multi‐trace stochastic sparse‐spike inversion for reflectivity. Journal of Applied Geophysics, 161, 84–91. https ... Peng, G., Yue, Y. and Zhai, T. (2013) Experimental analysis and application of sparsity constrained deconvolution ...
Constrained sparse spike inversion
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WebKristin Field is a recently discovered gas and condensate field offshore Norway (See Figure 1 of Dolberg et al.). Reservoir sandstones are tidally influenced, laterally continuous … WebOct 23, 2024 · AI inversion is a useful tool for interpreting the lithofacies and gas-bearing low-impedance zones in complex hydrocarbon reservoirs [16,17]. The techniques frequently used to extract AI incorporates model-based inversion, colored inversion, neural network nonlinear inversions, and constrained sparse spike inversion (CSSI) . CSSI is an …
WebSep 30, 2024 · The outcomes of the constrained sparse spike inversion (CSSI) reliably distinguished the coal facies from the channel-tight sandstone facies. The tight sandstone facies showed the highest … WebIn order to investigate the potential for locating additional hydrocarbon reservoirs, well log data was used and the Penobscot 3D seismic dataset was analyzed using Constrained Sparse Spike Inversion. From the well log data, low GR and SP values are an indication of a permeable sand layer, which provides the target zone in this study.
WebMay 20, 2014 · Therefore, the maximum a posteriori impedance can be calculated, yielding a very fast inversion algorithm. Results of tests on real data are compared with the deterministic constrained sparse-spike inversion, … Web豆丁网是面向全球的中文社会化阅读分享平台，拥有商业,教育,研究报告,行业资料,学术论文,认证考试,星座,心理学等数亿实用 ...
WebApr 24, 2024 · The post-stacking methods are colored inversion, model-based inversion, sparse spike inversion and Band-limited impedance inversion. Colored Inversion. Colored Inversion (CI) is a process to approximately match or convolve the amplitude spectrum of a seismic with the acoustic impedance spectra issued from well data. It …
WebApr 1, 2000 · Jan Helgesen, Ingrid Magnus, Sarah Prosser, Girish Saigal, Geir Aamodt, David Dolberg, Sito Busman; Comparison of constrained sparse spike and stochastic inversion for porosity prediction at Kristin Field. The Leading Edge 2000;; 19 (4): 400–407 ... Seismic inversion for reservoir characterization and well planning in the Snorre Field ... list of bakery cookiesWebMar 26, 2012 · The cost function of the constrained sparse spike inversion method can be extended as . 6. where over all time samples j, r e j is the EI reflection coefficient, S e j is the observed data, D e j is the synthetic trace with equation , ... images of parts of the eyeWebJan 1, 2008 · Like all deterministic methods, constrained sparse-spike (CSSI) inversion is based on one algorithm that solves an optimization problem. Hence, the attainment of acoustic impedance from CSSI method involves the following stages: (1) An impedance model is constructed by using the geological model, which is based on the interpreted … images of parts of horse\u0027s hoovesWebBased on the information of dip angle of fractures provided by geologic and well data, we propose a two-step inversion approach of utilizing azimuthal seismic data to estimate unknown parameters involving the fluid/porosity term and fracture weaknesses: (1) the constrained sparse spike inversion (CSSI) for azimuthally anisotropic EI data and (2) … images of passing the batonWebConstrained sparse spike inversion models the input seismic data as the convolution of the seismic wavelet with a reflection coefficient series. Wavelet analysis is accomplished … list of baki episodesWebKristin Field is a recently discovered gas and condensate field offshore Norway (See Figure 1 of Dolberg et al.). Reservoir sandstones are tidally influenced, laterally continuous shallow marine deposits of Jurassic age (Figure 1). A diagenetic overprint during progressive burial to depths of 5 km creates a patchwork of reservoir quality making 3-D mapping of these … list of bakery productsWebABSTRACT Deep learning neural networks offer some advantages over conventional methods in acoustic impedance inversion. Because labeled data may be difficult to obtain in realistic field data settings, it can be difficult to obtain high-accuracy inversion results. Some generative adversarial network (GAN)-based acoustic impedance inversion … images of passover clipart