Upside down Rayleigh-Marchenko imaging: an application to the Volve ocean-bottom cable data

Ning Wang, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the conventionally used up-going wavefield. However, since these methods rely on single-scattering assumptions when it comes to the redutuming step...

Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)

Waheduzzaman Talukder and Ralph Phillip Bording

Search and Discovery.com

... effect and scattering of energy. Key words: Attenuation factor; centroid frequency down shift method; spectral ratio method; VSP Introduction...

Abstract: Fractures Detection Using Multi-Azimuth Diffractions Focusing Measure: A Feasibility Study from the Arab D Reservoir, by Abdulfattah A. Aldajani and Sergey Fomel; #90105 (2010)

Search and Discovery.com

Abstract: Full Waveform Inversion with Phase Encoded Deconvolution Imaging Condition; #90224 (2015)

Wenyong Pan, Kris Innanen, and Gary Margrave

Search and Discovery.com

... migration, Conference on Inverse Scattering, Theory and Applications, SIAM, Expanded Abstracts, 206–220. Pan, W., Innanen, A. K., and Margrave, F. G., 2013a...

ABSTRACT: A USANS/GP-SANS Study of the Accessibility of Pores in Gas Shale to Methane, Water, and Brine

Leslie F. Ruppert, Richard Sakurovs, Tomasz P. Blach, David F.R. Mildner, Lilin He, Yuri B. Melnichenko

The Society for Organic Petrology (TSOP)

... Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland, 20899 USA 5 Neutron Scattering Services Division, Oak...

Statistical depth imaging through complex cluttered near-surface with path summation

Andrey Bakulin, Ilya Silvestrov, Maxim Protasov

International Meeting for Applied Geoscience and Energy (IMAGE)

... of a complex land near surface modeled as a random clutter. The synthetic example with random clutter reproduces significant scattering distortions...

Quantitative Estimations of Clay Minerals by Diffraction Methods

W. D. Johns, R. E. Grim, W. F. Bradley

Journal of Sedimentary Research (SEPM)

... in that it exhibits properties common to both montmorillonite and chlorite. In its natural state, scattering distribution along the 00l row line is incompatible...

GIS and Statistics Applied to the Analysis of the Distribution of Hydrocarbon Reserves by Fields and Formations in the Sureste Basin, Mexico

Sergio Perez Rodriguez

GCAGS Transactions

... criterion to identify and rank the scattering of hydrocarbon resources in the basin. Comisión Nacional de Hidrocarburos (CNH), 2014, Southeast offshore...

Tomographic waveform inversion (TWI) applied to real seismic data

Jlio Oliva Frigrio, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

... in this work only the baseline survey was used. Theory As introduced by Frigério and Biondi, 2020, TWI is a minimization problem defined...

Analyzing the impact of additive and multiplicative noise on seismic data analysis

Akshika Rohatgi, Andrey Bakulin, Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

... conventionally been considered additive noise, in recent years, multiplicative speckle noise has been recognized as caused by smallscale scattering in the near...

Fluid-Rock Interaction and Hydrocarbon Migration: Quantifying Wettability-Affected Advection and Diffusion Processed in Various Reservoir Rocks; #42437 (2019)

Qinhong Hu

Search and Discovery.com

... Fickian behavior; anomalous behavior is suggested by percolation theory, and confirmed by results of our imbibition tests. Imbibition into a fluid-wet rock...

A Robust Gradient for Long Wavelength FWI Updates

Jaime Ramos-Martinez, Sean Crawley, Kathy Zou, Alejandro Valenciano, Lingyun Qiu, Nizar Chemingui, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... synthetic and field data examples where we use the new solution to build high resolution velocity models. THEORY Conventional FWI (Tarantola, 1984) solves...

A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods

Kriyanti Setiyono, Ken H. Matson

Indonesian Petroleum Association

... and subtraction. This method derives from inverse scattering theory (see, e.g., Weglein et al., 1997) and can, in principle, remove all free-surface multiples...

Residual Gas Saturation Estimation using Cased-Hole Pulsed-Neutron Log; A Case Study on MF4 and Y-Channel Reservoir, Peciko Field, Mahakam Delta

Anang Karana, Taufik Anwar, Radya Senoputr, Moch Rushatmanto, Supriady

Indonesian Petroleum Association

... source. As the neutron undergoes many collisions, it loses its energy mainly through inelastic and elastic scattering. At the thermal energy level...

Evaluation of a Laser-Diffraction-Size Analyzer for Use with Natural Sediments: RESEARCH METHOD PAPER

I. N. McCave, R. J. Bryant, H. F. Cook, C. A. Coughanowr

Journal of Sedimentary Research (SEPM)

... scattering: Soc. Photo-optical Instrument. Engrs., v. 489, p. 68-76. BAYVEL, L. P., AND JONES, A. R., 1981, Electromagnetic scattering and its applications...

Abstract: Relaxing the Near-Surface assumption in Estimating 3C Receiver Orientations: Azimuth-Stack Power Optimization of Reflected PS Data; #90187 (2014)

Nirupama (Pam) Nagarajappa, Peter Cary, and Chuck Ursenbach

Search and Discovery.com

... therefore fail due to near-surface scattering, anisotropy etc. Further, the estimated orientations derived from such methods may not be close...

Codes and Ciphers: Decoding Natures Disorder: PART I

Dirk-Jan Van Manen, Johan O. A. Robertsson, Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... (Figure 3). Multiple Scattering: Friend or Foe? a Figure 3: (a) Snapshots of the multiply-scattered reference wavefield when placing a source...

Using Multi-Focusing 3-D Diffraction Imaging to Predict Fracture Swarms in Unconventional Reservoirs

Marianne Rauch-Davies, Alex Berkovitch, Kostya Deev

Unconventional Resources Technology Conference (URTEC)

... reflection imaging is generally not sufficient to resolve these small scale rock properties. Diffracted waves are events that are produced by the scattering...

High Resolution Monitoring and Modeling of Steam Injection in the Athabasca Oil Sands at UTF: A Case Study

Search and Discovery.com

... time delay as anticipated, but this example also shows that steam substitution also presents scattering symptoms; diffraction hyperbolae, complicated...

Abstract: Effects of Lateral Heterogeniety Scales on AVO Trends; #90174 (2014)

Ramin Saleh, Emmanuel Bongajum, and Bernd Milkereit

Search and Discovery.com

...; Bohlen, 2002). The viscoelastic FD modeling approach can handle complex subsurface structures with high intrinsic attenuation or significant scattering...

Pulsed Neutron Technology: Applications for Tight Gas Reservoirs, #42004 (2017).

Gustavo Valenzuela, Gustavo Potas, Nayibe Otalora, Maria Eugenia Garcia, German Serrano, Camilo Mejia, Alejandro Schiuma

Search and Discovery.com

... of hydrogen Pulse Neutron – Basic Theory • What is a neutron generator? – Deuterium is accelerated into the tritium – High-energy neutrons that travel...

The direct linear electromagnetic inverse with constraints

Peter Walker

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Inverse scattering series and seismic exploration: Inverse Problems, 19. Zhdanov, M. S., 2015, Inversion theory and its applications in geophysics...

Abstract: Model Parametrization Strategies for Newton-Based Acoustic Full Waveform Inversion; #90224 (2015)

Amsalu Y. Anagaw

Search and Discovery.com

... as a sequence of before-stack migrations: Conference on Inverse Scattering: Theory and Application. ˘¸ Pratt, G., C. Shin, and Hicks, 1998, Gauss-Newton...

The Analysis of the Clay Content of some Glauconitic Oceanic Sediments: NOTES

D. P. Seed

Journal of Sedimentary Research (SEPM)

... theory of origin is in current favor but with the evidence compiled over the years it seems certain that the origins of glauconite are multiple...

Abstract: An Update on the use of Pulsed Neutron Elemental Spectroscopy Measurements in Heavy Oil and Shale Gas Reservoir Evaluation; #90171 (2013)

Grant D. Ferguson, David Jacobi, Matt Bratovich, and Brian LeCompte

Search and Discovery.com

... company of Baker Atlas introduced the technology to the industry in 1963. The theory of the measurement is well known and in common use in the Industry...