Semi-global multiparameter FWI using public cloud HPC

Henry A. Debens, David Knodel, Fabio Mancini, Darryl Harris, Mike Warner, Adrian Umpleby

International Meeting for Applied Geoscience and Energy (IMAGE)

... was then incorporated into a hybrid workflow containing FWI and reflection travel-time tomography, with the resultant model used during Kirchhoff PreSDM. Each...

Multicomponent OBC (4C) Seismic Data Acquisition Challenges and Solution - Design, Operation, and Field Quality Control; Case Study OBC Bekapai

Aa Pian Nopiana, Remi Dartigalongue, Michel Erbetta, Gilles Vallon, Daniel Vaxelaire, Philippe Faure, Jean-Marc Mougenot

Indonesian Petroleum Association

... including PS and PZ data (migration margin test)  Source optimization using test done during previous TZ surveys. Parallel design is less...

Subsurface characterisation for future CCS applications using uncommon 3D surface and borehole seismic survey geometries at Harvey, Western Australia

Milovan Urosevic, Sasha Ziramov, Roman Pevzner, Konstantin Tertyshnikov, Sinem Yavuz, Anton Egorov, Andrej Bona, Valeriya Shulakova, Dominique Van Gent

Petroleum Exploration Society of Australia (PESA)

... imaging algorithm was used for Kirchhoff VSP depth migration using the arbitrary geometry as an input data, which allowed us to output any selected...

A Case Study on the Emergence of the Barnett Shale in the Midland Basin, Ector County, Texas

Andrew Lewis, Taylor Mackay, Robert Dimit, Brett Bracken, Andrew Bell

Unconventional Resources Technology Conference (URTEC)

... of these wells and plan the development of Ares’s acreage. This study looks back at each of these wells using a Kirchhoff prestack depth migration (KPSDM...

AVO Attribute Analysis for Gas Hydrate in Shenhu Area; #41228 (2013)

Rui Yang, Nengyou Wu, Zhibin Sha, and Jinqiang Liang

Search and Discovery.com

.... For improving the Signal to Noise Ratio (SNR) of seismic data, amplitude preservation Kirchhoff pre-stack migration has been applied to the 3-D seismic...

Supplement: Indonesia 2001 „ Acreage Review

Rachmat Sudibjo, Kardaya Warnika, Simon Crellin, Paul Rheinberg, Mark Harris, Alastair Fenwick, Roberto Fainstein, Phil Davey, Edison Sirodj, Steve Moss, Steve Jeffrey, Kjell B. Johansen, Peter Baillie, Keith Myers, Raden Budiharto, Andrew Cochran, Sami Khan

Petroleum Exploration Society of Australia (PESA)

... to book reserves to fu lfi II social problems that continue to plague where low cost slimhole drilling on contractual obligations. The most...

Slip sliding away: Enigma of large sandy blocks within a gas-bearing mass transport deposit, offshore northwestern Greenland

David R. Cox, Mads Huuse, Andrew M. W. Newton, Paul Gannon, and John Clayburn

AAPG Bulletin

... s. Processing steps included signal noise attenuation and corrections and velocity analysis using Kirchhoff prestack time migration (PSTM). The frequency ranges...

Velocity continuation with Fourier neural operators for accelerated uncertainty quantification

Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... imaging a 2D subset of the Parihaka (Veritas, 2005; WesternGeco., 2012) prestrack Kirchhoff migration (b) Figure 1: Variation among five (a) background...

Abstract: Pre-Tertiary Fractured Basement of Mega Host Block A, Malays Basin in Light of Current 3D Seismic Data Interpretation (Paper P28)

N. H. Ngoc, S. A. Aziz, P. N. Bt. Mokhtar

Geological Society of Malaysia (GSM)

... and then was reprocessed by both Kirchhoff PSDM and Beam PSDM methods. Good imaging of top and inside Pre-Tertiary Basement provided by 3D Beam PSDM processing...

Water Influx Predictions in Reservoirs with Aquifer Drive Using the Two-Phase Reservoir Integral Type Pseudo-Pressure with Applicability in Gas Hydrate Reservoirs

Search and Discovery.com

Predicting horizons for salt body models using machine learning from neighboring seismic surveys: A case study from the northern Gulf of Mexico

Andrew Reisdorf, Dan Ferdinand Fernandez, Hugo Enrique Munoz Cuenca, Ryan King, David Manzano, Gavin Menzel-Jones

International Meeting for Applied Geoscience and Energy (IMAGE)

...) indicated that seismic images are inherently different from natural images due to bandwidth and the contamination of migration artifacts. This results...

Application of Zero Offset 2D CRS-Stack Method for Low Fold Data: Synthetic and Real Data Examples

R. Sule, A. Hendriyana, P. D. Anggraini, Fatkhan, Alfian, Sardjito, Waluyo, Adriansyah

Indonesian Petroleum Association

... amplitude reflections in a laterally inhomogeneous earth, Geophysics, 48, 1051-1062. Jäger, C., 2005, Minimum-aperture Kirchhoff migration with CRS stack...

A Case Study of Seismic Exploration in the Offshore Bonaparte Basin

J. Durrant, A. Young

Petroleum Exploration Society of Australia (PESA)

... planes. Kirchhoff migration was used in place of the finite-difference algorithm because it preserves steep dips more effectively. The benefits of DMO...

Cascaded full-waveform inversions to resolve Mesozoic structures in shallow-water Gulf of Mexico with limited-offset data

Wei Kang, Christoph Koeninger, Miguel Acosta Perez, Josue Jurado Ramirez, Imran Nagir, Denes Vigh, Silvino Dominguez Garcia, Alfredo Vazquez Cantu, Luis Arturo Vega, Marco Antonio Mayorga

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Figure 4 shows Kirchhoff depth migration (KDM) gathers split into offset-vector tiles (OVT) at four locations on the image example. The gathers...

Marchenko-based internal multiple attenuation feasibility analysis for a thin-layered media in ultra-shallow water OBN from offshore Middle East

Frederico Xavier de Melo, Suyang Chen, Luis Salinas, Shotaro Nakayama, Nozomi Yamamoto

International Meeting for Applied Geoscience and Energy (IMAGE)

... the modeling and adaptive subtraction process were conducted in the data space (time domain), internal multiple suppression results are shown after Kirchhoff...

Advanced Deblending Scheme for Independent Simultaneous Source Data

M. Wang, Z.H. Chen, C. Chen, F.C. Loh, T. Manning, S. Wolfarth

Petroleum Exploration Society of Australia (PESA)

... especially around the area having the irregular shots. We perform Kirchhoff migrations to further evaluate the effectiveness of this proposed deblending scheme...

Explainable AI: Can neural networks recognize first arrivals after wave separation?

Yanwen Wei, Zhenyu Zhu, Jicai Ding, Yichuan Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

...., X.-Y. Li, and P. Conway, 2007, Imaging beneath gas clouds using 3D prestack Kirchhoff time migration of PS- converted waves—A case study from...

Assessing mineral composition and permeability of a shale seal

Roman Beloborodov, Marina Pervukhina, Maxim Lebedev, Juerg Hauser

Petroleum Exploration Society of Australia (PESA)

... suppression of noise and multiples, correction for attenuation, pre-stack Kirchhoff time migration and moveout correction. The goal...

Dispersed source array concept in a restrictive urban environment onshore Japan

Shotaro Nakayama, Tomohide Ishiyama, Yuji Yamada, Kotaro Fujita, Masaru Ichikawa

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and (c) SNR plots (red line: main survey and blue: DSA survey). Results Figures 6a and 6b shows a comparison of final imaging results (Kirchhoff pre...

Geologic Modeling and Uncertainty Analysis of a Gulf of Mexico Reservoir

Yuhong Liu, Peter G. Rigsby, Rohit Sinha, Steve Peterson, Joy Thomas, Gregory Zimmerman

AAPG Special Volumes

... input aperture, comprehensive noise attenuation, more detailed velocity analysis, and a Kirchhoff anisotropic prestack time migration. This reprocessing...

Abstract: Unravelling the Complex Subsurface Structures of Hydrocarbon Trap by Means of 3D Multi-Component Seismic Data; #91209 (2025)

Han N. Tran, Heri Tanjung, Abdullah Al-Fawwaz

Search and Discovery.com

... (PP) and mode-converted S-wave (PS) seismic volume have been processed using Kirchhoff Pre-stack Time Migration (K-PSTM). The new data has showed...

Structure of the Tokai segment from the integrated high-resolution seismic imaging: A case study from the eastern Nankai Trough

Andrzej Grszczyk, Rafael Almeida, Romain Brossier, Ludovic Mtivier

International Meeting for Applied Geoscience and Energy (IMAGE)

...) and its attributes together with the reflectivity profile derived with Kirchhoff pre-stack depth migration (K-PSDM) to build a data-driven geological...

Three-dimensional facies architecture and three-dimensional calcite concretion distributions in a tide-influenced delta front, Wall Creek Member, Frontier Formation, Wyoming

Keumsuk Lee, M. Royhan Gani, George A. McMechan, Janok P. Bhattacharya, Stephanie L. Nyman, Xiaoxian Zeng

AAPG Bulletin

...., and G. A. McMechan, 1996, Implementation of 3-D prestack Kirchhoff migration, with application to data from the Ouachita frontal thrust zone...

Multiscale Seismic Models of Complex Fracture Networks

Richard L. Gibson Jr., Yalchin Efendiev, Judith Chester, Yongchae Cho, Edith Sotelo

Unconventional Resources Technology Conference (URTEC)

... the scattered waves, we stacked the traces based on common-depth-point (CDP) information. Then, we performed Kirchhoff time migration to gather...

Characteristics of Microzonation Modelling in Reservoir Evaluation

Search and Discovery.com