Nonlinear LS-RTM based on the seismic scale separation and full-wavefield multiparameter FWI

ystein Korsmo, Yang Yang, Nizar Chemingui, Andrey Pankov, Antonio Castiello

International Meeting for Applied Geoscience and Energy (IMAGE)

... the reflectivity model that best explains the measured data. This data-fitting process will implicitly compensate for wavefield propagation effects...

A preliminary assessment of uncertainties attributed by analysts, array types and processing algorithms for microtremor observations, via the COSMOS Blind Trials

Michael W. Asten, Alan Yong, Sebastiano Foti, Koichi Hayashi, Antony Martin, William J. Stephenson, John F. Cassidy, Jacie Coleman

Petroleum Exploration Society of Australia (PESA)

... the critical factor relating to whether the energy source for microtremor wave propagation is directional. Thus, the two-station method should only be used...

Abstract: Improving Reservoir Imaging with Time-Lag Fwi in the Partitioned Zone Between Kuwait and Saudi Arabia; #91204 (2023)

Art Petrenko, Trevor Coulman, Guangfu Shao, Ibrahim Hakam, Mohammed Almutairi, Sujoy Ghose, Kai Zhang

Search and Discovery.com

... not be modelled by the acoustic wave propagation engine used in this work [8]. Additionally, near-surface energy could not be accurately modelled. Thus...

Towards Quantitative Assessment of 4D DAS Time Shifts for Enhanced Stimulated Rock Volume Characterization

Yesser Haj Nasser

Unconventional Resources Technology Conference (URTEC)

... Sayers, C. M., 1994a, The elastic anisotropy of shales: J. Geophys. Res., 99, No. B1, 767-774, Sayers, C. M., 1994b, P-wave propagation in weakly...

Modeling the Significance of Mechanical Interfaces to Fracture Propagation and Morphology … Geomechanical Models Derived from Outcrop Analysis

E.S. Petrie, J.P. Evans

Unconventional Resources Technology Conference (URTEC)

...Modeling the Significance of Mechanical Interfaces to Fracture Propagation and Morphology … Geomechanical Models Derived from Outcrop Analysis E.S....

Can Moment Tensor Inversion Aid Engineering Decisions? A Delaware Basin Case Study

Mark G. Mack, Scott M. Taylor, Jamie Rich, Dan Kahn, Jeremy King, Ben Schaeffer, Anton Reshetnikov, David Langton, Brendan Elliott, Alex Biholar

Unconventional Resources Technology Conference (URTEC)

... to conventional microseismic processing. References Chapman, C. Fundamentals of seismic wave propagation. Cambridge University Press, 2004. Lacazette...

Frequency vs Azimuth (FVAZ): the Younger Member of the Family of Seismic Driven Fracture Characterization Methods

Juan Tavella, Victoria Lazzari, Marcelo Frydman, Néstor Herrera

Unconventional Resources Technology Conference (URTEC)

... response due to natural fractures appealed geophysicists: fractures also affect absorption: a propagation perpendicular to fracture suffers higher...

Spectral hydrology: Resolution and uncertainty in multifrequency oscillatory hydraulic tomography

Jeremy R. Patterson, Michael Cardiff

International Meeting for Applied Geoscience and Energy (IMAGE)

... pressure propagation during hydraulic testing and then processing the collected data in a tomographic manner – i.e., hydraulic tomography – provides...

Predicting rock strength variability across stratigraphic interfaces in caprock lithologies at depth: Correlation between outcrop and subsurface

Elizabeth S. Petrie, Tamara N. Jeppson, James P. Evans

Environmental Geosciences (DEG)

... of discontinuities show that fracture densities decrease as bed thickness increases and that fracture propagation morphology across lithologic interfaces vary...

Understanding Holographic Imaging of Seismic Data— Contrast with Signal Processing Imaging Methods

Norman S. Neidell

GCAGS Transactions

... Edge, v. 16, p. 1241–1242. Neidell, N. S., 1997, Perceptions in seismic imaging, part 4: Resolution considerations in imaging propagation media...

Abstract: Anisotropic Frequency-Dependent Spreading of Seismic Waves from VSP Data Analysis; #90174 (2014)

Amin Baharvand Ahmadi and Igor Morozov

Search and Discovery.com

... information about the variations of seismic amplitudes with depths and propagation directions. Because of this, VSP offers the best opportunity...

Accommodation Fluvial Reservoir Analog for the High-Accommodation Mungaroo Formation: Role of Propagating TieŽ Channels in Lake-Filling Processes in High-Accommodation Fluvial Systems, Grajalva River, Tabasco State, Mexico; #50831 (2013)

Mark Hull and John Holbrook

Search and Discovery.com

... propagate across lakes as deltas. The process of tie-channel propagation is still poorly understood. Nonetheless, once the tie channel reaches...

Swash Mark and Grain Flow

Asbury H. Sallenger, Jr.

Journal of Sedimentary Research (SEPM)

... in grain size. Apparently, the leading margin of a wave upwash drives a highly concentrated flow of grains in which both grain size and grain velocity...

Abstract: *Detection of Hydrocarbons from Velocity Logs using the Wavelet Coherence Analysis: A Case Study from Algerian Tight Reservoirs; #91202 (2022)

Said Gaci, Mohammed Farfour, and Saliha Amoura

Search and Discovery.com

... of hydrocarbons is explained by the fact that contrary to P-wave, the propagation of S-wave is very affected in media containing fluids. Coherence may...

New Life for Old Data: Brownfield Reservoir Characterization and 3D Geological Modeling from the West Baram Delta Province, Offshore Sarawak, Malaysia, by Matthew Mulcahy, Tanwi Basu, A. Wahid Musbah, Gavin Douglas, Howard D. Johnson, Kamarolzaman B. Yahya, and Mustafa Suleiman, #20023 (2004).

Search and Discovery.com

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)

.... The purpose of the present research is to better understand the role of organic matter in radar-wave propagation and reflection under variable...

The development of seismic reflection sandbox modeling

Donald H. Sherlock, Brian J. Evans

AAPG Bulletin

... to study the effects of seismic wave propagation in isotropic and anisotropic media, and to improve methods of data acquisition, processing...

Converted-Wave Prestack Time Imaging without using P-Wave

Search and Discovery.com

...Converted-Wave Prestack Time Imaging without using P-Wave Converted-Wave Prestack Time Imaging without using P-Wave Xiaogui Miao* CGGVeritas...

Joint physics-based and data-driven time-lapse seismic inversion: Mitigating data scarcity

Yanhua Liu, Shihang Feng, Ilya Tsvankin, David Alumbaugh, Youzuo Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

...† , David Alumbaugh‡ , and Youzuo Lin* * Earth and Environmental Sciences Division, Los Alamos National Laboratory † Center for Wave Phenomena, Colorado...

Mathematical Model and Cluster Number Optimization of Horizontal Well with Hydraulic Fractures in Shale Reservoir

Jianting Li, Luming Shi, Lijia Yuan, Meiling Meng, Juan Zhao, Yaqin Zhang, Zhiming Chen

Unconventional Resources Technology Conference (URTEC)

... on the model we proposed. The production history matching and pressure wave propagation range interpretation are performed with numerical simulator...

Limitations of Reflection Seismograph

L. E. Nugent, Jr.

AAPG Bulletin

... that each point on an advancing wave front may be considered a new point source of spherical waves, provides the theory of propagation. Fermat's thesis...

Discrimination of Microseismicity Caused by Proppant Injection Using Microseismic Waveform Clustering: The Horn River Basin Case Study

Satoshi Ishikawa, Naoyuki Shimoda, Hiroyuki Tokunaga

Unconventional Resources Technology Conference (URTEC)

... and their hypocentres could represent proppant distribution. Although further investigation, including fracture propagation simulation, is required...

The Evolution of FWI and its Perceived Benefits

Tony Martin, Andrew Long

Australian Petroleum Production & Exploration Association (APPEA) Journal

... often fail to resolve small velocity anomalies, as they use high frequency approximations for wavefield propagation. This can result in inaccurate...

Acoustic Velocity Modeling of Unconventional Reservoirs

Alessandra Simone, Lori Hathon, Michael Myers

Unconventional Resources Technology Conference (URTEC)

... of microstructural textures and wave propagation characteristics in shales’, SEG Technical Program Expanded Abstracts, 22(1), pp. 1648–1651. doi: 10.1190/1.1817620...

Computer Simulation of Nearshore Sediment Transport: ABSTRACT

Graeme F. Bonham-Carter

AAPG Bulletin

... and subaqueous topography, assuming constant wave conditions? A computer simulation model is used to explore these questions. Components of the model...