Abstract: Integrated Seismic and Well Log Analysis of Gas Hydrate Prospects; #90290 (2017)

Timothy S. Collett

Search and Discovery.com

... have been developed that use full-waveform prestack inversion processing in combination with conventional linear prestack inversions to produce P-wave...

Abstract: Lessons Learned from the World's Largest Continuous onshore, offshore and Transition Zone 3D Seismic Survey; #91204 (2023)

Guillaume Cambois, Saif Al Mesaabi, James Cowell, David Arnold, Mohamed Boukhanfra, Saeed Al Karbi, Mohamed Mahgoub, Khalid Obaid

Search and Discovery.com

... water environment. All data are pre-stack time and depth migrated. Full waveform inversion is used to unravel the overburden, which is quite complex...

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user1

Search and Discovery.com

..., Omaima Al Darwshi1, Waleed S. Alwardi1, Mohammed Al Ismaili1 1 Petroleum Development Oman (PDO) Shell 2 Abstract Although Full Waveform Inversion (FWI...

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user1

Search and Discovery.com

... and Full-Waveform Inversion indicated the main velocity contrasts responsible for generating interbed multiples. Using corresponding intervals...

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)

..., and U. Albertin, 2017, Low frequency full waveform seismic inversion within a tree based Bayesian framework: Geophysical Journal International, 212, 522...

Prospect De-Risking Through a Fully Integrated Approach from Seismic Processing to Geology Interpretation

Francois Baillard, Rajat Rathore, Zhengmin Zhang, David Gold, Safrin Arbi, Mat Hardenberg

Indonesian Petroleum Association

... recently through Full Waveform Inversion (FWI) techniques. The estimation of the parameters is an ill-posted problem and requires additional log data...

Broadband Seismic Technology and Beyond: Part XI: Which Technology to Choose?

Lasse Amundsen, Martin Landrø, Jan Erik Lie, Vidar Danielsen, Per Eivind Dhelie

GEO ExPro Magazine

... to a streamer towed at 8m depth. For more advanced use of seismic processing is de-ghosting. As described in data, as for example Full Waveform earlier...

Angolan Kwanza Basin … Expanding Proven Opportunities

Madhurima Bhattacharya, Harrison Moore

GEO ExPro Magazine

..., and time-lag full-waveform inversion (TLFWI) to produce a more accurate velocity model. The net result is enhanced Pre-Salt imaging and better-defined...

Overcoming signal processing challenges on a deep-water sparse OBN survey: A case study from the Gulf of Mexico

Matthew Salgadoe, Nigel Seymour, Hongyan Li, Di Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... suppression flow, respectively. When these data are imaged with a revised earth model from full-waveform inversion the resulting image shows improvements...

Efficient lossy compression of seismic wavefields via GPU-based Tucker decomposition

Yongjie Tang, Wei Zhang, Wu Wang, Tao Lei

International Meeting for Applied Geoscience and Energy (IMAGE)

... and Technology SUMMARY Full Waveform Inversion (FWI) and Reverse Time Migration (RTM) are usually require the ready availability of the forward and adjoint...

GEO 2016; - Abstracts, #90254 (2016).

Search and Discovery.com

LWD Geosteering and Natural Fracture Identification in Horizontal Wells in Unconventional Reservoirs

Greg Meszaros, Paul Boonen

West Texas Geological Society

... wells drilled a total of 13,685 ft of lateral section with 100% success in zone. Natural Fracture Identification Using Sonic Logs Full waveform...

Estimating CO2 saturation maps from seismic data using deep convolutional neural networks

Zi Xian Leong, Tieyuan Zhu, Alexander Y. Sun

International Meeting for Applied Geoscience and Energy (IMAGE)

... seismic data analysis and multicomponent reservoir modeling methods to estimate CO2 properties. Yan et al. (2019) used full-waveform inversion to estimate...

Seismic Foldout: The path to commercial oil: Developing the Kuda Tasi and Jahal discoveries offshore Timor-Leste

Aaron Bond, Shane Westlake, FINDER ENERGY, SEARCHER

GEO ExPro Magazine

...-ghosting and full waveform inversion to enhance subsurface imaging. The original seismic data acquisition is of good quality yet does degrade slightly...

Noise suppression and compressive sensing recovery with seismic-adapted DnCNN within RED

Nasser Kazemi

International Meeting for Applied Geoscience and Energy (IMAGE)

... and Schniter (2018). RED has been recently used in geophysical applications such as full waveform inversion, noise suppression, and signal recovery...

Abstract: New Approach to Finite-Difference Memory Variables by Using Lagrangian Mechanics; #90187 (2014)

Wubing Deng and Igor Morozov

Search and Discovery.com

... in seismic exploration, including acquisition system design, seismic migration, interpretation, and full waveform inversion. In the last...

CSPG/CSEG/CWLS GeoConvention 2011; - Abstracts, #90173 (2015).

Search and Discovery.com

Hamra Quartzites

Search and Discovery.com

Least-squares RTM with shifted total variation regularization for depth imaging of sparse short-offset seismic data

Toktam Zand, Andrzej Gorszczyk, Ali Gholami, Hasan Ghasemzadeh, Alison Malcolm

International Meeting for Applied Geoscience and Energy (IMAGE)

... waveform inversion (LWI) (Tarantola, 1984) or LSRTM (Nemeth et al., 1999). Then we use the proposed algorithm to solve the original full waveform inversion...

Abstract: Time Domain Least-squares Prestack Migration; #90172 (2014)

Ricardo C. Rebollo, Mauricio D. Sacchi

Search and Discovery.com

... and migration. Unlike full waveform inversion, LSM does not attempt to retrieve the background velocity model, however, like full waveform inversion...

Basin-to-Prospect-Scale Subsurface Characterisation: New Insights into the Exmouth Sub-Basin, North West Shelf, Australia

Abdul Kholiq, Claire Jacob, Bee Jik Lim, Oliver Schenk, Anubrati Mukherjee, Alex Karvelas

Australian Petroleum Production & Exploration Association (APPEA) Journal

... that combined full-waveform inversion and common image point tomography yielded high-quality seismic velocities across the survey area. The depth trends...

Orphan Basin, Canada: From Regional Prospect Screening to Reliable Reservoir Attributes Estimation

Scott Opdyke, Cyrille Reiser, Tiago Alcantara, Elena Polyaeva, PGS

GEO ExPro Magazine

... fault definition. Blue and orange markers understanding. Full waveform inversion (FWI) indicate improvements in the Tertiary and Jurassic respectively...

Time-lapse electromagnetic with Gramian

Jide Nosakare Ogunbo, Sang-Wook Kim, Arrey F. Enow

International Meeting for Applied Geoscience and Energy (IMAGE)

... REFERENCES Alemie, W., and M. Sacchi, 2016, Joint reparametrized time-lapse full-waveform inversion: 86th Annual International Meeting, SEG, Expanded...

Microseismic Event Location Using Multiple Arrivals: Demonstration of Uncertainty Reduction

Zhishuai Zhang, James W. Rector, Michael J. Nava

Unconventional Resources Technology Conference (URTEC)

...), double-difference (Waldhauser and Ellsworth, 2000), coherence scanning (Drew et al., 2005; Duncan and Eisner, 2010), full-waveform inversion, and et al...

Quantitative Interpretation Reveals Prospectivity of the Kwanza Shelf, Offshore Angola

Roberto Ruiz, Cyrille Reiser, Avril Burrell, PGS, Jean Afonso Colsoul, Naire Judith Ricardo Cahumba Quenge, ANPG

GEO ExPro Magazine

... geometries associated with the salt. For this, tomography (reflection and refraction) and Full Waveform Inversion (FWI) have been used to unveil...