Hybridised Weighted Boot-Strap Differential Semblance

Hamish Wilson, Lutz Gross

Petroleum Exploration Society of Australia (PESA)

... for full waveform inversion (Tarantola, 1984; Virieux and Operto, 2009). Velocity analysis can be done via several approaches. Some common methods...

Fracture Basement Imaging, Identification, and Characterization Through Separated Wave Field Processing Strategies - A Case Study From Offshore Indonesia

Riaz Alai, Afiq Mokhtar, Yonghe Guo, Hendra Iriansyah Darmawan, M Hilman B Roslan

Indonesian Petroleum Association

.... Mokhtar et al. (2018) focused on minimizing depth uncertainties. Guo et al. (2018) addressed full waveform inversion importance and dip-constrained...

Abstract: Macro-velocity Model Building in a Laplace-domain Waveform Inversion; #90174 (2014)

Changsoo Shin and Wansoo Ha

Search and Discovery.com

... and confirms the macro-velocity generation feature of the Laplace-domain inversion technique. Introduction Full waveform inversion is a method...

Encased Secondary Minibasins: an Emerging Play in the Deepwater Gulf of Mexico; #30359 (2014)

Ursula Edwards, Vernon Moore, Ugojoh Odumah

Search and Discovery.com

... shooting) and processing (reverse time migration and full waveform inversion) have led to increased recognition of encased secondary minibasins...

Reservoir Characterization and Monitoring: From Inversion to Reservoir Characterization; #70243 (2017)

Runhai Feng, Stefan M. Luthi, Dries Gisolf, Siddharth Sharma

Search and Discovery.com

... author directly. 1 Delft University of Technology, Delft, Netherlands ([email protected]) Abstract A non-linear full-waveform inversion scheme (FWI-res...

Delivering a Step-Change in Imaging from Indonesias First Ocean Bottom Node 3D Seismic Survey at Tangguh

Christopher Birt, Hery Prastowo, Danang Priyambodo, Simon Wolfarth, Johnathan Stone

Indonesian Petroleum Association

...). The data was processed to technical limit by CGG including deblending, Full Waveform Inversion (FWI), anisotropic depth migration and converted wave...

Chapter 8: Amplitude Versus Offset

Tom Wittick

North Texas Geological Society

... for determining Poisson’s ratio over a given depth interval. Without a full-waveform sonic log one must estimate Poisson’s ratio for the strata...

FWI imaging of complex subsalt Mesozoic targets from land to shallow waters

Timmy Dy, Minshen Wang, Sabaresan Mothi, Don Dobesh, Shengda Ding, Oscar Andrade, Pablo Ortega, Alfredo Vázquez Cantú, Silvino Domínguez García, Gerardo López Leyva

International Meeting for Applied Geoscience and Energy (IMAGE)

.../10.3997/2214-4609.202011175. Zhang, Z., J. Mei, F. Lin, R. Huang, and P. Wang, 2018, Correcting for salt misinterpretation with full-waveform inversion: 88th Annual...

Amplitude Versus Offset

Abilene Geological Society

... difficult and expensive to measure. Poisson's ratio is a function of the ratio of P-wave and S-wave velocities. The full-waveform sonic tool measures S-wave...

Multidomain simultaneous joint inversion for near-surface characterization A case study from onshore US

Nate Johnson, Ali Ahmed Hussein Mohamed, Zhanna Jackson, Seth Riseman, Kevin Douglas

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the model via subsequent reflection tomography. is reasonable to suggest that such a model would also be an optimal starting point for full-waveform...

Designing surveys in an updated regulatory environment With consideration of processing

Carsten Udengaard, David Brookes, Simon Dean, Seet Li Yong, Henrik Roende, Duncan Bate, Etienne Marc

International Meeting for Applied Geoscience and Energy (IMAGE)

... were deblending, interpolation/regularization, and Full Waveform Inversion (FWI). A series of increasingly complex models were generated to test...

Broadband Seismic Technology and Beyond: Part VI: Towards a Ghost-Free Solution

Lasse Amundsen, Martin Landrø, Eivind Frømyr

GEO ExPro Magazine

... as high frequencies in inversion and estimation of elastic parameters in the earth. New processing techniques like full waveform inversion have further...

New Imaging Results and Improved Interpretation of Late Triassic Depositional Features within the Browse Basin, North West Shelf of Australia

Jarrad Paul Grahame, Tran Thinh To

Australian Petroleum Production & Exploration Association (APPEA) Journal

..., carbonate play, Late Triassic, least-squares Q Kirchhoff pre-stack depth migration, Maxima 3D, North West Shelf, Scott Reef, time-lag full waveform...

UK Continental Shelf: An Evolution in 3D Seismic Imaging of the Central North Sea

Matthew Dack, Gregor Duval, CGG

GEO ExPro Magazine

... efficiency, Q-FWI (Full Waveform Inversion) was run across all input data, inverting for both absorption (Q) and velocity for high-resolution modelling...

Resolving Seismic Attenuation Issue through Q-Migration, a Case Study in Sisi-Nubi Field, Indonesia

Bastian Hutahayan, Keat Huat Teng, Kelik Moersidin, Jacques Bonnafe, Natalia Anggriani, Cepi M. Adam

Indonesian Petroleum Association

.... To achieve this, we need more advanced model building tool, a full waveform inversion, for instance. Note that, strong absorption that is observed...

Abstracts: Evidence of Shallow Gas in the Queen Charlotte Basin from Waveform Tomography of Seismic Reflection Data; #90173 (2015)

Eric M. Takam Takougang and Andrew J. Calvert

Search and Discovery.com

... of the valhall model from synthetic obc data by frequency domain elastic full-waveform inversion: SEG Technical Program Expanded Abstracts, 28, 2293–2297...

Integrating Rock Physics and Seismic Modeling for Time-Lapse Analysis in a CO2 Enhanced Oil Recovery Project, #40991 (2012)

Aaron Wandler, Paritosh Singh, Thomas Davis

Search and Discovery.com

... represent the brine and CO2 saturated cases at minimum and maximum reservoir pressure. These well logs are used for full waveform seismic modeling. For both...

Impact of Broadband Seismic on Quantitative Interpretation Workflows; #41450 (2014)

Eivind Dhelie, Cyrille Reiser, Tim Bird, Euan Anderson

Search and Discovery.com

...; more specifically for the full waveform inversion (Kelly et al., 2009) which could form the basis for the low frequency model in the quantitative...

Prospectivity of volcanic basins: Trap delineation and acreage de-risking

Max Rohrman

AAPG Bulletin

...-dimensional full waveform synthetic modeling study was performed (Figure 5) using proprietary software (Rosenbaum, 1993, 1994). This allows analysis...

ABSTRACT:MULTICOMPONENT OBC (4C) PRESTACK TIME IMAGING OVER PAMBERI, LRL BLOCK, OFFSHORE TRINIDAD

Tony Johns, Carmen Vito and Raul Sarmiento

Geological Society of Trinidad & Tobago

... to be understood qualitatively. As a consequence, a new project has been initiated in 2006 to run full waveform prestack joint inversion on PP and PSv...

Time-Lapse Refraction Seismic I: A Complementary Monitoring Method?

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

.... This is exploited in Full Waveform Inversion to determine the low frequency velocity model. We clearly see that diving waves occur at large offsets...

Advancing Geophysics Through Cooperation

Josef Paffenholz

GEO ExPro Magazine

... would look at issues around Full Waveform Inversion and at Artificial Intelligence. Both projects would expand collaboration beyond model building...

Finite Difference Modeling: Part II: How to clean numeric time dispersion

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... imaging and inversion in our industry. FD-based Reverse Time Migration (RTM) and Full Waveform Inversion (FWI) are industry standard algorithms used...

Major Geological Surfaces of the Exmouth Plateau from the New Broadband PreSDM Reprocessed 3D Seismic Data with Full Waveform Inversion

Feng Xu Jian, Pooya Hadian, Stephen Doyle, Simon Molyneux, Hongfeng Wu

Australian Petroleum Production & Exploration Association (APPEA) Journal

...Major Geological Surfaces of the Exmouth Plateau from the New Broadband PreSDM Reprocessed 3D Seismic Data with Full Waveform Inversion Feng Xu Jian...

Gippsland Basin, Australia: New Data Reveals Further Potential in a Mature Basin

Jarrad Grahame, Keat Huat Teng, Iain Burnie, CGG

GEO ExPro Magazine

... wave analysis on the Gippsland ReGeneration dataset confirmed that a 7000m streamer was optimal for Full Waveform Inversion (FWI) results. The new...