Using Super Basins as Analogues

Charles A. Sternbach

GEO ExPro Magazine

... bottom seismic and full waveform inversion, which together have produced a step change in imaging, allowing for enhanced fault identification...

True Hybrid 3D

Jeroen Hoogeveen, Kristen Berli, Lars Ivar Leivestad, Tor Åkermoen, Geoex MCG

GEO ExPro Magazine

...-tonoise ratio, and the best possible velocity model by use of Full Waveform Inversion (FWI), were needed. Geoex MCG and Seismic Partner therefore...

OIL & GAS

Henk Kombrink

GEO ExPro Magazine

... MODEL UPLIFT The advancement in Full-Waveform Inversion (FWI), both in efficiency and quality, has been phenomenal, especially since the introduction...

Refined Karst Feature and Fault Identification Through Integrated Wave Field Separation and Imaging of Diffraction Energy

Riaz Alai, Afiq Mokhtar, Christopher Lee Slind, Yonghe Guo, Rizki Krishna Pratama

Indonesian Petroleum Association

... following these effective seismic processing strategies. The important impacts of full waveform inversion and dip constrained tomography integration...

Time-Lapse Geophysics for Mapping Fluid Flow in Near Real Time: Results from a Controlled Mesoscale Experiment

Roelof Versteeg

Special Publications of SEPM

... in of full-waveform GPR inversion has not been solved: while which the data are stored in a database and a user requests we can model GPR data fairly...

A design case study for combined streamer and OBN survey

Yue Yue, Liu Haibo, Dong Fengshu, Chen Haolin, Luo Minxue, Xu Zhaohong, Li Yang, Xin Xiuyan, Wei Xiubo, Liu Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Huang, P. Wang, and C. Mifflin 2019, Sparse nodes for velocity: Learnings from Atlantis OBN full-waveform inversion test: 89th Annual International...

Time-Lapse Refraction Seismic II: Field Examples

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

... that the technique has potential. One weakness is that it is hard to map the time-lapse anomalies precisely in depth. Fortunately, full waveform inversion techniques...

Multiparameter FWI imaging in the Gulf of Mexico

Tom Rayment, Karen Dancer, James McLeman, James Penwarden, Tim Ooi, Monica Hartmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... wave-equation-based algorithms such as reverse time migration (RTM). Multi-parameter full-waveform inversion (MP-FWI) imaging is a novel approach...

Seismic Foldout: Dynamic Matching FWI + EEI makes a difference to your interpretation

Bent Kjølhamar, Adriana Citlali Ramírez, Reidun Myklebust, TGS

GEO ExPro Magazine

...-matching full waveform inversion (DM FWI) to interpret the geology and gas anomalies, alongside observations underpinning why the volcanic rocks NEW...

Seismic Foldout: New Geo Streamer X data for exploration, ILX and appraisal in the Norwegian Sea

Kjetil Roverud, Stefan Möller, Eric Mueller, Jens Beenfeldt, PGS

GEO ExPro Magazine

... setup that allows for denser sampling in the crossline direction, longer cables for improved Full Waveform Inversion (FWI), and cables towed as closely...

Seismic velocity … A strong identifier of gas prospects

Martin Essenfeld, Rafael Sandrea

GEO ExPro Magazine

... technologies like Full Waveform Inversion (FWI), the accuracy of the velocity data has improved. This advance now should provide an opportunity...

How Reliable Is The Negative Anisotropy In Carbonate Rocks? - Offshore East Java Basin Case Study

Jun Wang, Yonghe Guo, Pongga Wardaya, M Afiq B Mokhtar, Riaz Alai, Rizki Krishna Pratama, Haryono Haryanto

Indonesian Petroleum Association

... combined Full Waveform Inversion (FWI) and well calibration to obtain accurate anisotropic models. We used the following steps: 1) FWI to obtain...

Salt Delineation Using Vector Offset Output (VOO) of Full Azimuth Data

Yogesh Agnihotri, Qiaofeng Wu, Dekang Xu

GCAGS Transactions

... solutions, such as full waveform inversion (FWI), to establish subsurface acoustic velocities as well as wave-based migration algorithms with fewer...

Seismic Geomechanics of Mud Volcanoes; #70261 (2017)

Rashad Gulmammadov, Stephen Covey-Crump, Mads Huuse

Search and Discovery.com

... vertical section across an ACG mud volcano were modelled by digitizing the P-wave velocities presented on a Full Waveform Inversion (FWI) image...

Hydrate on the Cascadia Accretionary Margin of North America, by M. Riedel, R.D. Hyndman, G.D. Spence, N.R. Chapman, I. Novosel, and N. Edwards; #90035 (2004)

Search and Discovery.com

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)

... for multiples separation is in the 6th layer. Figure 3: A synthetic example of multiples separations by DNN with (a) full waveform shot gather, (b...

Integrated Facies Modeling in Shelf Margin Carbonate Field

Muhammad Aip, Zeindra Ernando, Fierzan Muhammad, Azlan Shah Johari, Fazrul Ahmad Zawawi

Indonesian Petroleum Association

... wells with 3D seismic cube reprocessed in 2019 by Full Waveform Inversion (FWI) methodology in the time and depth domain. Figure 10 showing...

Porosity Modeling of Carbonate Field Utilizing Acoustic Impedance Trend Map as Secondary Variable for Optimize Development Well Location

Muhammad Aip, Ecep Suryana, Varindra Pradhana, Fierzan Muhammad, Nur Zarlina Bt A Rahman

Indonesian Petroleum Association

... by Full Waveform Inversion (FWI) methodology in time and depth domain. The reservoir formation in this study is a Kujung Formation which developed...

Exploration Opportunities in the Mediterranean

Verity Agar, Paul Bellingham, Nicola Clarke, Elisabeth Gillbard, Ken McDermott, ION

GEO ExPro Magazine

... with the use of full waveform inversion created the detailed velocity model in the complex strata below the Messinian salt (Figure 4). Interpretation...

A 3D immersed boundary method for acoustic wavefield simulation with irregular surface topography

Xiang Li, Ziduo Hu, Yancan Tian, Wei Liu, Zhonghua Xu, Gang Yao

International Meeting for Applied Geoscience and Energy (IMAGE)

... 3DIBM, which could offer a better forward modeling engine for migration and full-waveform inversion (FWI) for 3-D land seismic data. However, both...

Deblending seismic data using multistage iterative source separation with priors A case study using streamer 3D data

Wilson Ibanez-Jacome, Jarred Hostetler, Rajiv Kumar, Wouter Gerrit Brouwer, Saeeda Hydal, Yousif Izzeldin Kamil Amin

International Meeting for Applied Geoscience and Energy (IMAGE)

...-waveform inversion (FWI) for earth model building and improved imaging results below the highly complex overburden. Figure 2: High Point Broadband 3D...

Land seismic multi-parameter FWI imaging

Mason Phillips, James McLeman, Vlada Avramovic, Tom Rayment, Stuart Schmitt, Mike Varner, Yasser Khalifeh, Ahmad Ammar Chahine, Eskil Jersing

International Meeting for Applied Geoscience and Energy (IMAGE)

... Schmitt, Mike Varner, DUG Technology Yasser Khalifeh, Ahmad Ammar Chahine, Eskil Jersing, CCED Summary Multi-parameter full-waveform inversion (MP-FWI...

A 20-Year Retrospective on the Future of Seismic Technology

Andrew Long

Petroleum Exploration Society of Australia (PESA)

...: full waveform inversion, reservoir monitoring, yet both were commercial failures and thus from vanilla 3D to high-density 3D (HD3D), ultra...

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...

Physics-based preconditioned multidimensional deconvolution in the time domain

David Vargas, Ivan Vasconcelos, Matteo Ravasi, Nick Luiken

International Meeting for Applied Geoscience and Energy (IMAGE)

... by including preconditioners that honor the expected physics of waveform data. We apply this approach to full-waveform trans- Figure 1: (a) Sub-salt...