Imaging the presalt with elastic FWI using OBN data

Gabriel Brando, Benjamin Huard, Luis Cypriano

International Meeting for Applied Geoscience and Energy (IMAGE)

... successfully combined with the latest full-waveform inversion (FWI) technologies, such as Timelag FWI, to obtain accurate and geologically consistent earth...

Upscaling acoustic wave equation using renormalization group theory

Ajay Malkoti, Shravan M. Hanasoge, Rene Edouard Plessix

International Meeting for Applied Geoscience and Energy (IMAGE)

... migration or full waveform inversion require the simulation of wave propagation inside an idealized Earth. Wave propagation is sensitive to Earth...

Abstract: Short-time Wavelet Estimation in the Homomorphic Domain; #90174 (2014)

Roberto H. Herrera and Mirko van der Baan

Search and Discovery.com

...) and full waveform inversion (FWI). Statistical methods of wavelet estimation away from well control are a desirable tool to support seismic signal...

Initial Results from a Test of the NASA EAARL Lidar in the Tampa Bay Region

Brock, John C., Wright, C. Wayne, Nayegandhi, Amar, Clayton, Tonya, Hansen, Mark, Longenecker, John, Gesch, Dean, and Crane, Michael

GCAGS Transactions

... in January 2002. The EAARL is a raster-scanning, water-penetrating, full-waveform adaptive lidar that is coupled to aircraft positioning systems...

New Insights into the Deep-Water Otway Basin - Part 1. Integrated Depth Imaging Workflows Unravelling the Subsurface

Si Ying Lee, Bee Jik Lim, Arwindran Anantan, Alexander Karvelas

Australian Petroleum Production & Exploration Association (APPEA) Journal

... m/s. The depth model building workflow consisted of two bands of full-waveform inversion (FWI) and four updates of ray-based anisotropic common image...

Abstract: How much well do you need in Acoustic Impedance Inversion?; #90174 (2014)

Heather J. E. Lloyd and Gary F. Margrave

Search and Discovery.com

... contacts. While there are more sophisticated methods of computing inversions (such as full waveform inversion) the quickest and simplest way is to compute...

GeoStreamer X Delivers Near-Field Multi-Azimuth Dataset for Accurate Lead Characterisation, South Viking Graben, Norway

Cyrille Reiser, Eric Mueller, PGS

GEO ExPro Magazine

... streamers for improved Full Waveform Inversion (FWI), and a wide-towed triple source configuration (225m separation between the outer source arrays...

Abstract: The Gulf of Papua: Challenging industry perspectives of prospectivity with evolving geophysical technology

Lauren Found, Simon Crellin, Helen Debenham

Southeast Asia Petroleum Exploration Society (SEAPEX)

... and Full Waveform Inversion (FWI). This survey has provided the greatest insights into regional architecture and hydrocarbon potential to date, facilitating...

Abstract: High Impact Data Creates High Impact Opportunities

Peter Baillie

Petroleum Exploration Society of Australia (PESA)

... application of several technologies. Technologies used include broadband processing, Full Waveform Inversion (FWI) and least squares Q PSDM (LSQPSDM). Prospects...

Combining science with models and calibration data to provide PP-FG solutions for industry

Search and Discovery.com

Joint Interpretation of geophysical field experiments in the Danube deep sea fan, Black Sea

Search and Discovery.com

Abstract: Digital Expert for DAS Passive Seismic Monitoring: Integration of Image Processing and Geophysical Processing; #91204 (2023)

Takashi Mizuno, Joel Le Calvez, Nicholas Fundytus, and Pierre Bettinelli

Search and Discovery.com

...), characteristic function-based (migration-based; e.g. Kao and Shan, 2004; Gharti et al., 2010; Drew et al., 2005) methods, and full-waveform-based methods...

Prestack joint inversion based on multi-components seismic data using analytical solution of 1D elastic wave equation

Weiheng Geng, Wenkai Lu, Jingye Li, Xiaohong Chen, Yinshuo Li, Lei Han, Cao Song

International Meeting for Applied Geoscience and Energy (IMAGE)

... years, computer technology has flourished, making it gradually possible to numerically solve the elastic wave equation. Full waveform inversion (FWI...

Robust multichannel prestack AVA inversion based on elastic L1/2 norm

Nanying Lan

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 2020, Compound regularization of full-waveform inversion for imaging piecewise media: IEEE Transactions on Geoscience and Remote Sensing, 58, no. 2...

Development of a novel seismic acquisition system based on fully autonomous gliding ocean-bottom nodes

Fabio Mancini, Ben Hollings, Giorgio Mangano, Dhimitraq Gjini, Damien Dieulangard, Ted Manning, Henry Debens

International Meeting for Applied Geoscience and Energy (IMAGE)

... optimization and by new advances in imaging technologies; in particular, full-waveform inversion (FWI), which greatly benefits from data containing ultra...

Abstract: Predicting Petrophysical Properties Using 3D Image Data; #90063 (2007)

Search and Discovery.com

Reservoir Monitoring Technology Part IV: The Valhall LoFS Project

Olav Inge Barkved, Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... article will discuss the linkage between 4D seismic response and rock mechanics, and show some results from emerging technologies like full waveform...

Integration of Seismic and Log Data of a Deep Borehole in the Basement Rocks of Northeastern Alberta; #41517 (2015)

Judith Chan, Douglas R. Schmitt

Search and Discovery.com

... of principal stresses can be inferred from the borehole breakouts and tensile fractures. Aside from the conventional borehole logs, analysis of full waveform...

Viscoacoustic wave propagation: Spectral-element simulations with a novel GSLS-type wave equation

Yu Chen, Bin He, Hejun Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... incorporation of the quality factor Q in the novel wave equation can facilitate derivation of sensitivity kernels for Q in full waveform inversion; (2) direct...

Chapter 18: The Role of Megaregional Seismic Data in Santos Basin Pre-Salt Exploration and Development

J. A. Deckelman, S. Chi, A. K. Hartwig, K. R. Reuber, J. Fruehn

AAPG Special Volumes

..., and full waveform inversion (FWI; Fruehn et al., 2019). These advancements led to the discovery of the giant (5.5 billion barrels recoverable) Tupi...

Focal Mechanism Determination and Stress Inversion for Induced Seismicity Related to Shale Gas Hydraulic Fracturing

Yuyang Tan, Jun Hu, Zhengguang Zhao, Lei Li

Unconventional Resources Technology Conference (URTEC)

... earthquakes using a full-waveform matching method. This method not only fits the waveforms of the observed data, but also matches the Pwave first-motion...

Advances in seismic acquisition and processing technologies steered the success of exploration and development in Kuwait

Adel El-Emam

International Meeting for Applied Geoscience and Energy (IMAGE)

... developments in elastic Full Waveform Inversion for land data have also provided encouraging results in tests with field data from Kuwait (Leblanc et al...

Eikonal equation-based adjoint-state characteristic reflection traveltime tomography: Method and application in real dataset

Jianming Zhang, Liangguo Dong, Jianhua Wang, Yilin Wang, Chao Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Petroleum Geologists REFERENCES Chi, B., L. Dong, and Y. Liu, 2015, Correlation-based reflection full-waveform inversion: Geophysics, 80, no. 4...

Target-oriented wavefield calculation using Recursive Patched Green Functions

Edwin Fagua Duarte, Janaina Schwarzrock, Danyelle da Silva, Joao Medeiros de Araujo, Mauro Ferreira

International Meeting for Applied Geoscience and Energy (IMAGE)

... Full Waveform Inversion (FWI) (Silva et al., 2021). However, since the performance of the PGF method depends on the size of the outside-target area...

Ultrasound reverse time migration for human brain imaging

Ting Li, Bo Feng, Yang Zhou, Rongwei Xu, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... X. Tang, P. Nachev, and M. Warner, 2020, Full-waveform inversion imaging of the human brain: NPJ Digital Medicine, 3, doi: https://doi.org...