Application of Fullwaveform Tomography to VSP Walkaway Data

Eric Takam Takougang, Youcef Bouzidi

Petroleum Exploration Society of Australia (PESA)

... waveform (amplitude and phase), and thus provides an image with more details and greater resolution, depending on the frequency used in the inversion...

Influence of Organic Matter in Soils on Radar-Wave Reflection: Sedimentological Implications

Remke L. van Dam,, Elmer H. van den Berg, Sytze van Heteren, C. Kasse, Jeroen A.M. Kenter, Koos Groen

Journal of Sedimentary Research (SEPM)

... unnecessary. The reflection amplitude for soils will show a larger temporal variation than the reflection amplitude of sedimentary structures. In temperate...

AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods

Alan R. Huffman

AAPG Special Volumes

... the poststack-inversion technique ignores the fact that offset-dependent behavior (amplitude vs. offset) is buried in the stacked response and can cause...

Outer-Bank Bars: A New Intra-Channel Architectural Element within Sinuous Submarine Slope Channels

Takeshi Nakajima, Jeffrey Peakall, William D. McCaffrey, Douglas A. Paton, Philip J. P. Thompson

Journal of Sedimentary Research (SEPM)

... have been abrupt and straightforward. This would account for the greater continuity, coherency, and reduced amplitude variation of reflections...

Calibrating FWI image amplitudes: Insights from deepwater GoM

Lennon Infante-Paez, Nayyer Islam

International Meeting for Applied Geoscience and Energy (IMAGE)

... Deepwater GoM Lennon Infante-Paez* & Nayyer Islam bp Summary We evaluated various shallow Miocene amplitude anomalies on 11 Hz full-stack acoustic Full...

Abstract: Data Evaluation in AVO Analysis, by Yang Zhili; Fan Guozhang; Lv Fuliang; Wang Bin; Yang Taotao; #90163 (2013)

Search and Discovery.com

ABSTRACT A Seismically Defined Ancient Anoxic Intraslope Basin in Hardin County Texas„Potential Source and Seismic Pitfall, #90104 (2010)

Blanke Steve; Meibos Lynn; Kline Paul

Search and Discovery.com

... a seismic amplitude anomaly within a proprietary 3D seismic dataset in western Hardin  County, Texas. The anomaly consisted of a strong trough‐led...

Abstract: Examples of Morpho-Sedimentary Features From Broadband Seismic Data Offshore South Africa; #90310 (2017)

Clara Abu

Search and Discovery.com

... examines a buried mixed system of gravitational deposits and contourites using broadband seismic data in the Durban basin. Seafloor morphology illustrates...

Abstract: Attenuation of Scholte Waves from OBC Data Using Polarization Filtering; #91204 (2023)

Yong Qing Chen, Mamadou Diallo, Mustafa A Marzooq, Faisal M Qahtani

Search and Discovery.com

... generated at seafloor interface. Procedures To demonstrate the benefit of using polarization filtering in a production mode, we choose a multicomponent 3D...

Extended Abstract: Combining Rock Physics Templates with Seismic Inversion to Characterize the Hydrocarbon Reservoir beneath the Kanywataba Prospect, Semliki Basin

Justin Jordan Pidho, John Mary Kiberu, Denis Okello, Anthony O'biale Ayaa

Africa Energy and Technology Conference, 2016

... changes on seismic data through amplitude variation with angle synthetics. The changes in P- and S-wave velocities together with density due...

Abstract: Surface-consistent Matching Filter for Time-lapse Processing; #90174 (2014)

Mahdi H. Almutlaq and Gary F. Margrave

Search and Discovery.com

..., Offset-amplitude variation and controlled-amplitude processing, Geophysics, 50, 2697 - 2708...

Application of high-resolution reflection seismology to eastern Kansas cyclothems

Ralph W. Knapp

Kansas Geological Society

... is measured, it depends on two frequency-domain properties, amplitude and phase. The wavelet is a discrete bundle of finite seismic energy. To be a discrete...

Confirming the Presence of a Working Petroleum System in the Eastern Black Sea Basin, Offshore Georgia Using SAR Imaging, Sea Surface Slick Sampling, and Geophysical Seafloor Characterization; #10610 (2014)

Harry Dembicki, Jr.

Search and Discovery.com

..., and Geophysical Seafloor Characterization; #10610 (2014) Harry Dembicki, Jr. Confirming the Presence of a Working Petroleum System in the Eastern...

Deepwater Santos Basin: Extending the Pre-Salt Play Outboard

Cian O'Reilly, James Keay, Jianli Song, Griselda Martinez, Seung Yoo, Taejong Kim, Eric Newman, Pedro Zalan, TGS

GEO ExPro Magazine

... years 2012–2017, now TGS) have acquired long-offset 2D seismic surveys over most of the Santos and Campos Basins, from near shoreline to the abyssal...

Chapter 5: Tectonic Evolution of Sedimentary Basins around the Arcuate Southeastern Margin of the Caribbean Plate

Tricia G. Alvarez, Paul Mann, Lesli J. Wood

AAPG Special Volumes

... The top of tectono-sequence 4 is defined by the high-amplitude, continuous, seafloor reflector. The Pleistocene succession exceeds 4000 m (13,100 ft...

Seismic Foldout: Deepwater exploration: It's the hope that keeps us here

Neil Hodgson, Karyna Rodriguez, Lauren Found, SEARCHER

GEO ExPro Magazine

... variation with offset where far offsets show little effect are becoming legion (Figure 2). Risk reduction by detecting increases in amplitude with angle...

Large-Scale Seismic Acquisition in Congested, Shallow Water Areas: Observations from Modern OBN Data in the Gulf of Mexico

John Smythe, Henrik Roende, Brad Torry, Richard Griffin

GCAGS Transactions

... to support proper application of quantitative interpretation technologies such as amplitude analysis, prestack data analysis (e.g., amplitude variation...

2.2 Basement Involved: 2.2.1 Crustal Profiles: A COCORP Seismic Reflection Profile in Northeastern Kansas, Pages 7 - 12.

T. Setzer, L. Brown, L. Serpa, H. Farmer, J. Oliver, and S. Kaufman

AAPG Special Volumes

... to the central part of the gravity high which defines the MGA (Figure 2). The data show a sequence, which may include some multiples, of high amplitude...

Gulf of Mexico: Seismic Stratigraphy of Some Cretaceous Carbonates and Tertiary Channels, Northeastern Gulf of Mexico

D. Bradford Macurda, Jr.

AAPG Special Volumes

... downward right to left, from (2) to (1). The higher-angle reflectors across it are multiples from the sloping carbonates above. Immediately above (3...

Sub-Basalt Geology, Deepwater Offshore India; #41008 (2012)

Roberto Fainstein, Rajesh Kalra, S. Chandrashekkar, and C. Visweswara Rao

Search and Discovery.com

... are multiples masking weak sediment interface reflections Interference (tuning) effects in basalt can make it difficult to identify the basalt base Typical...

Towards understanding the impact of the evanescent elastodynamic mode coupling in Marchenko equation-based demultiple methods

Marcin Dukalski, Christian Reinicke, Kees Wapenaar

International Meeting for Applied Geoscience and Energy (IMAGE)

... amplitude vs offset analysis and lead to improved reservoir characterization. This method-expansion may comprise of re-evaluating the underlying...

Comparative Analysis between Prestack and Poststack Seismic Attributes in the Heidrun Oil Field, #42362 (2019).

Ricardo Teixeira Nicacio, Carmen Pena

Search and Discovery.com

... zon horizon (green), prestack horizon (red), and amplitude and offset plot; b) post-stack data with horizon in top of Fangst w ith reservoir...

New Techniques for Stratigraphic Analysis and Correlation--Fourier Grain Shape Analysis Louisiana Offshore Pliocene

John V. Mrakovich, Robert Ehrlich, Bernhard Weinberg

Journal of Sedimentary Research (SEPM)

..., and 19) suggesting that a fundamental shape change exists between the lower and upper halves of the interval. Harmonic Amplitude Spectra Shape variation...

Spherical Wave Model Tests of VSP-Based Q-Estimation Techniques

Search and Discovery.com

... are α=2000m/s, β=879.88m/s, ρ=2400kg/m3 and Qp=100. Zero-offset synthetic VSP traces computed with Equation (1) are displayed in Figure 1. Amplitude...

Regularities in Variation of the Degree of Filling of Structures by Hydrocarbons in the Dnieper-Donets Depression

V. A. Vitenko, B. P. Kabyshev, A. F. Shevchenko

Petroleum Geology: A Digest of Russian Literature

...Regularities in Variation of the Degree of Filling of Structures by Hydrocarbons in the Dnieper-Donets Depression V. A. Vitenko, B. P. Kabyshev, A. F...