Submarine Debris Flows and Continental Slope Evolution in Front of Quaternary Ice Sheets, Baffin Bay, Canadian Arctic

R. N. Hiscott, A. E. Aksu

AAPG Bulletin

... (see location in Figure 3). 0.1 s two-way traveltime (TWT) is about 75 m of sediment. End_Page 449------------------------------ reflection R0b up...

Geologic evolution of the Cuu Long and Nam Con Son basins, offshore southern Vietnam, South China Sea

Gwang H. Lee, Keumsuk Lee, Joel S. Watkins

AAPG Bulletin

... stratigraphy and global changes of sea level, part 6: stratigraphic interpretation of seismic reflection patterns in depositional sequences, in C. E...

Chapter 10: Earthquake, Tomographic, Seismic Reflection, and Gravity Evidence for a Shallowly Dipping Subduction Zone beneath the Caribbean Margin of Northwestern Colombia

Rocio Bernal-Olaya, Paul Mann, Carlos A. Vargas

AAPG Special Volumes

...Chapter 10: Earthquake, Tomographic, Seismic Reflection, and Gravity Evidence for a Shallowly Dipping Subduction Zone beneath the Caribbean Margin...

Broad Top Thrust Sheet: An Extensive Blind Thrust in the Central Appalachians (1)

Thomas H. Wilson and Robert C. Shumaker

AAPG Bulletin

...-amplitude reflection at approximately 0.7 s (Figure 4) and 1.1 s (Figure 6) correlates with the top of the Devonian Oriskany Sandstone. Structural relief...

High-frequency FWI velocity model building for hydrocarbon delineation

Lianping Zhang, Souvik Sengupta, Chirag Parekh, Robert Eliott-Lockhart

International Meeting for Applied Geoscience and Energy (IMAGE)

... observed in legacy imaging using an earth model derived by reflection tomography. We employed high-frequency FWI with a maximum frequency of 50Hz...

New insights into deformation mechanisms in the gravitationally driven Niger Delta deep-water fold and thrust belt

Dominic Maloney, Richard Davies, Jonathan Imber, Simon Higgins, Stephen King

AAPG Bulletin

... trend.Figure 7. (A) Two-way traveltime (TWT) map of the top Akata reflection (reflection X, Figures 3B, 6) displaying the inclination of the overburden...

Data-driven near-surface Q compensation: A case study in Sichuan Basin of China

Xinyuan Feng, Yulian Zhao, Mingtu Xiao

International Meeting for Applied Geoscience and Energy (IMAGE)

... are as follows: ① The near-surface velocity model is established, usually by first arrival tomography, and the near-surface travel time Fourth International...

3.4 Detached Sediments: 3.4.1 Decollement Tectonics (A-Subduction): Subsurface Structure of the Ouachita Mountains, Arkansas, from COCORP Deep Seismic Reflection Profiles

R. J. Lillie, K. D. Nelson, B. de Voogd, J. E. Oliver, L. D. Brown, and S. Kaufman

AAPG Special Volumes

... Seismic Reflection Profiles R. J. Lillie, K. D. Nelson, B. de Voogd, J. E. Oliver, L. D. Brown, and S. Kaufman 1983 83 87 Studies in Geology 15, Volume 3...

Towards a Balance of Pore Size Distribution of Non-Conventional Hydrocarbon Reservoirs: a Combination of Bulk Techniques Applied to Comparable Sub-Samples Localized by 3D X-ray µ-Tomography

Natalia Matskova, Dimitri Pret, Stéphane Gaboreau, Philippe Cosenza, R. Brechon, I. Gener, Claire Fialips, G. Dubes, François Gelin

Unconventional Resources Technology Conference (URTEC)

...-Samples Localized by 3D X-ray µ-Tomography Natalia Matskova, Dimitri Pret, Stéphane Gaboreau, Philippe Cosenza, R. Brechon, I. Gener, Claire Fialips, G...

2D Vp modeling of the Albian-Cenomanian section using geological constraints, 3D extrapolation, and GRV uncertainty analysis of Aptian presalt reservoir: A Santos Basin example

Vitor Novellino, Alexandre Maul, María González, Fernando Freire

International Meeting for Applied Geoscience and Energy (IMAGE)

... resolved by conventional velocity modeling, such as tomography or FWI. However, since understanding the geological and geophysical characteristics...

Integrating U-net into full-waveform inversion for salt body building: A challenging case

Sixiu Liu, Abdullah Alali, Shijun Cheng, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... and full-waveform inversion (FWI). The conventional ‘top-down’ workflow (Shen et al., 2017) iteratively applies traveltime tomography and imaging to first...

Using Crosswell Seismic Tomography to Provide Better Reservoir Resolution in the Wolfcamp Formation in Lea County, New Mexico

Robert L. Martin, Cynthia L. Welch, Greg D. Hinterlong, Jeff Meyer, Randy Evans

West Texas Geological Society

...Using Crosswell Seismic Tomography to Provide Better Reservoir Resolution in the Wolfcamp Formation in Lea County, New Mexico Robert L. Martin...

References Cited: Part 7. Geophysical Methods

AAPG Special Volumes

... Geophysicists, Geophysical Development Series, v. 2. French, W. S., 1974, Two-dimensional and three-dimensional migration of model-experiment reflection...

Widespread Buried Precambrian Layered Sequences in the U.S. Mid-Continent: Evidence for Large Proterozoic Depositional Basins (1)

THOMAS L. PRATT , ERNEST C. HAUSER , and K. DOUGLAS NELSON

AAPG Bulletin

... by Precambrian layered rocks buried beneath Phanerozoic sedimentary strata. South of the Wichita Mountains, published seismic reflection profiles show...

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

... contrast between target structures and background as well as near surface statics due to weathering influence the quality of the seismic reflection...

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

... contrast between target structures and background as well as near surface statics due to weathering influence the quality of the seismic reflection...

Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... stack is an auxiliary data processing correction that attempts to improve the quality of a seismic stack in the presence of reflection point smearing...

Direct imaging of alteration with high-resolution hard-rock 3D seismic data at the Darlot Gold Mine

G. Hird, W. Turner

Petroleum Exploration Society of Australia (PESA)

... resolution extending from 300 m to 3000 m depth with a cell size of 15 x 7.5 x 4 m. In addition to the seismic reflection data, seismic tomography provided...

Forward Modeling of Seismic Data: Part 7. Geophysical Methods

George Mellman, Paul A. Kunzinger

AAPG Special Volumes

... to the normal incidence reflection coefficient at that interface. This method produces accurate traveltimes and good zero offset amplitudes for geometric...

A Nigerian Renaissance: Renewed interest in Africa's largest oil producer

John Balch, Matt Lamont, Polarcus, DownUnder GeoSolutions

GEO ExPro Magazine

... building; three de-noise steps including 3D true-azimuth SRME and high resolution Radon de-multiple were utilised. Reflection tomography was then used...

Potential of FWI imaging for shallow turbidite shadow zone: A case study

Swarup Sarkar, James Sheng, Faqi Liu, Daniel Davies, Roy Ha

International Meeting for Applied Geoscience and Energy (IMAGE)

... tomography, DM FWI inverts both reflection and refraction data simultaneously. FWI compensates for non-uniform illumination and improves amplitude...

Anisotropic Velocity Model of a Fractured Formation using a High Resolution VSP Survey and Forward Modeling

Search and Discovery.com

... reflection profiles were conducted over the past several years by the Geological Survey of Finland and the Institute of Seismology at the University...

Full Waveform Inversion for Complex Near-Surface Imaging Using SEG SEAM II Synthetic Model; #42322 (2018)

Ali A. Mohamed, Abdullatif A. Al-Shuhail

Search and Discovery.com

... reconstruction such as refraction and diving wave tomography have limited success for cases with nearsurface velocity inversion and strong lateral...

Shelf-Fed Turbidite System Model and its Application to the Oligocene Deposits of the Campos Basin, Brazil

Wagner Elias Peres

AAPG Bulletin

... systems is markedly different. The ES-64 systems appear on the seismic lines as one thick interval (up to 400 ms in two-way traveltime) of reflections...

New tools for seismic stratigraphic interpretation: Stratal convergence and instantaneous isochron attribute cubes derived from volumetric flattening of experimental strata

Jesse Lomask, Jason M. Francis, James Rickett, Marc L. Buursink, Thomas P. Gerber, Martin Perlmutter, Chris Paola

AAPG Bulletin

...). Attributes like reflection continuity or reflection parallelism (Barnes, 2000) look at seismic data in the context of its surrounding traces...