Amplitude and Bandwidth Recovery Beneath Gas Zones Using Kirchhoff Prestack Depth Q-Migration

Jonathan Liu, Peter Traynin, J. M. Reilly

Indonesian Petroleum Association

... frequency-dependent traveltimes which is crucial in the Kirchhoff integral. In the viscoacoustic media the integral over the frequency domain cannot...

Thickness Estimation Using Gradient of Spectral Amplitudes from Spectral Decomposition

Tri Wuri Asri Sulistyoati, Lita Novitasari, Sonny Winardhi

Indonesian Petroleum Association

... bed have characteristic signatures in the frequency domain. Thicker beds have shorter period spectral notches than thinner beds have. Consequently...

A Comparison between Geostatistical Inversion and Conventional Geostatistical-simulation Practices for Reservoir Delineation

C. Torres-Verdn, A. Grijalba-Cuenca, H. W. J. Debeye

AAPG Special Volumes

... wells and from the seismic amplitude data acquired in their immediate vicinity. The time- and frequency-domain counterparts of the seismic wavelet...

High Resolution Aeromagnetics as an Aid to Structural Interpretation Over the Muturi PSC, Irian Jaya

Neil A. W. Moig

Indonesian Petroleum Association

... wavelength features. In order to correct for this a reduction to pole algorithm is applied to the total magnetic field in the frequency domain...

Acoustic target-level full-waveform inversion: Applied to ocean-bottom seismic data

Carlos A. N. da Costa, João M. de Araújo, D.J. Verschuur, Aydin Shoja

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the discretized computational domain, and that the angular frequency dependency was omitted for simplicity. In the FWI scheme, it is necessary to know...

Abstract: Interpretation of the a” and B” Reflectors in the Eastern Part of the Colombian Caribbean Offshore. from Approach to the Seismic Stratigraphy of the Southern Caribbean, by E. J. Torres and H. L. Rodriguez; #90090 (2009).

Search and Discovery.com

Analysis of Tectonic Subsidence in the Eastern Part of the Colombia Offshore Basin, Southern Caribbean, Applying Spectral Decomposition of 2D Seismic Data, Torres, Emilio J.; Garcia-Gonzalez, Mario; Rodriguez Cardenas, Heidy L., #90100 (2009)

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Abstract: Processing Methods for Extracting Subsurface Information from Ambient Seismic Noise, by Barbara Schechinger, Alexander V. Goertz, and Marc Lambert; #90105 (2010)

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Abstract: Identifying Lithology Variation and Gas Occurrence in Deep Carbonate Reservoirs Using S Transform, by Zhao Zhang and Yuefeng Sun; #90124 (2011)

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Abstract: Estimating the Elastic Properties of the Near Seabed Using Post-critical Energy; #91204 (2023)

Daniele Boiero, Claudio Bagaini

Search and Discovery.com

... the meaning of this, let us recall the decomposition operators in the frequency ray-parameter (ω,p) domain that relate Vz to P (F), Vx to P (Q), and Vx...

Broadband seismic probabilistic AVO inversion for reservoir properties

Kun Li, Qingwen Zheng, Xingyao Yin, Yaming Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Using broadband seismic data, we propose a broadband probabilistic AVO inversion in complex frequency domain to estimate reservoir properties. We first...

Subsurface monitoring during tunnel excavation area using auto-correlation

Enhedelihai Nilot, Gang Fang, Yun Zhou Tan, Yanlong Niu, Heng Zhang, Yunyue Elita Li

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and spectral whitening. Then, we divide the data into many 20 s’ short-time segments and compute the auto-correlation in the frequency domain. The auto...

Proper Parenting with Newborns „ A Frac Fluid Tracking Case Study

Trevor Pugh, Rachel Stocking, Timothy Greene, Oscar Vasquez

Unconventional Resources Technology Conference (URTEC)

... into the frequency domain for imaging using specialized software. Processing of the data in the time domain begins with a quality control of receivers...

Deep learning seismic full-waveform inversion and transient EM joint inversion for near surface velocity modeling

Daniele Colombo, Ernesto Sandoval-Curiel, Ersan Turkoglu, Weichang Li

International Meeting for Applied Geoscience and Energy (IMAGE)

...rg/10.1111/j.1365-246X.1989.tb00521.x. Brossier, R., S. Operto, and J. Virieux, 2009, Seismic imaging of complex onshore structures by 2D elastic frequency-domain fu...

Modeling-based amplitude recovery (MBAR)

Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church

International Meeting for Applied Geoscience and Energy (IMAGE)

... frequency (𝜔) domain: data, the matching filter designed to repair the synthetic data is applied to the Radon-damaged field data (Figure 5d...

A recipe for practical iterative LSRTM with synthetic and real data examples from Brazil

Valeriy Brytik, Gopal Palacharla, Rishi Bansal, Diwi Snyder, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Dmitriy Pavlov, Carey Marcinkovich

International Meeting for Applied Geoscience and Energy (IMAGE)

.... For a given acquisition geometry and target region of the model, the amplitude spectrum of the gradient can be expressed in the frequency domain...

Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well

Ali Sayed, Francesca Twynam, Ran Bachrach, Philippe Caprioli, Marcus Holloway, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

... by applying median filters in the frequency domain. DAS common noise manifests as coherent linear arrivals across the entire array at infinite...

High resolution imaging by dynamic matching FWI in the presence of AVO effects

Fuchun Gao, Shuqian Dong, Yang He, James Sheng, Faqi Liu, Bin Wang, Carlos Calderon, Yuriy Ivanov, Fanny D. Marcy, Ole E. Aaker

International Meeting for Applied Geoscience and Energy (IMAGE)

...., and R. M. Shipp, 1999, Seismic waveform inversion in the frequency domain, Part II: Fault delineation in sediments using crosshole data: Geophysics...

Seismic frequency-divided iterative inversion method based on river channel constraints and its application in fine description of composite channel sand bodies

Zhenglong Zhang, Hebing Tang, Ying Qie, Dehai Qin

International Meeting for Applied Geoscience and Energy (IMAGE)

...d on the aforementioned frequency-domain data, the inversion process in this study involves using the lowfrequency data volume inversion resul...

Analysis of geologic structures using deep sonic imaging

Nobuyasu Hirabayashi, Leon Dahlhaus, Rajeev Kumar, Jeroen Jocker, Erik Wielemaker, Manish Lal Khaitan, Charles Naville

International Meeting for Applied Geoscience and Energy (IMAGE)

... and is given in the frequency domain by m (ω) = A s∗ (ω) 1 M 2 n j (ω) + ε , (2) where m (ω) is the matched filter operator, s∗ (ω...

Reef Delineation by Multiple Offset Borehole Seismic Data Collection: A Case Study

D. E. Miller and L. Dupal

AAPG Special Volumes

..., 1984; Koehler and Koenig, 1984; Wiggins and Levander, 1984), phase-shifting in the frequency domain (Gazdag and Sguazzero, 1983), and finite-difference...

Abstract: Robust Singular Spectrum Analysis for Erratic Noise Attenuation; #90187 (2014)

Ke Chen and Mauricio D. Sacchi

Search and Discovery.com

... is transformed to the frequency-space domain. SSA embeds each frequency slice into a Hankel matrix. matrix approximately square (??), M 2 CL⇥(N L+1...

Abstract: A Ray+Waveform Inversion for the Potency Tensor; #90187 (2014)

Scott Leaney and Chris Chapman

Search and Discovery.com

... Summary We describe a frequency domain waveform inversion for microseismic source mechanism in anisotropic media that combines the efficiency of ray...

Abstract: Maximum Entropy Acquisition Design and Optimal Interpolation; #90187 (2014)

Mauricio D. Sacchi, Mafijul Islam Bhuiyan, and Nasser Kazemi

Search and Discovery.com

..., 1994, Mimumum entropy deconvolution with frequency-domain constraints: Geophysics, 59, 938–945. Trad, D., 2009, Five-dimensional interpolation...

Abstract: Derivation of Seismic Depth Sections

H. Buchholtz, W. Houba

Geological Society of Malaysia (GSM)

... eZements. The procedure is usuaZZy performed in the time or frequency domain. The transformation to the depth dOmain requires the reZiabZe knowZedge...