Amplitude Versus Offset

Abilene Geological Society

...Amplitude Versus Offset 1993 1 17 What is AVO? Amplitude versus offset or AVO is a technique which measures the change in P-wave reflection strength...

Gas Hydrates: Part III: Rock Physics Hydrate Experiments

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

...-wave sonic and resistivity logs. Column 1: Comparison of P-wave velocity (red line) with model results assuming methane hydrate (solid black lines...

Transfer learning seismic and GPR diffraction separation with a convolutional neural network

Alexander Bauer, Jan Walda, Dirk Gajewski

International Meeting for Applied Geoscience and Energy (IMAGE)

... SUMMARY The separation of the reflected and diffracted wavefields has been a crucial challenge in both seismic and groundpenetrating radar (GPR) data...

Depositional Structures and Processes in the Non-Barred High-Energy Nearshore: ERRATUM

H. E. Clifton, R. E. Hunter, R. L. Philips

Journal of Sedimentary Research (SEPM)

... of 10 seconds and a deep-water height of 1 meter. Transformations are calculated from Airy wave theory (Inman, 1963, p. 57-62), Stokes wave theory...

Abstract: Numerical Modeling of Shear-wave Splitting and Azimuthal Velocity Analysis in Fractured Media; #90172 (2014)

Zimin Zhang, Don C. Lawton, Robert R. Stewart

Search and Discovery.com

...Abstract: Numerical Modeling of Shear-wave Splitting and Azimuthal Velocity Analysis in Fractured Media; #90172 (2014) Zimin Zhang, Don C. Lawton...

Multifocusing Stack Technique for Subsurface Imaging, #40749 (2011)

Sunjay Sunjay,

Search and Discovery.com

... (Tygel et al., 1997). The three parameters are: Emergence angle β, Radius of curvature of the wavefront of the Normal-Incidence-Point wave (NIP-wave...

3-D Architecture of a Wave-Influenced Parasequence in the Ferron NotomŽ Delta, Capital Reef Utah, USA: Implications for Delta Asymmetry Models, #50438 (2011)

Weiguo Li, Janok Bhattacharya

Search and Discovery.com

...3-D Architecture of a Wave-Influenced Parasequence in the Ferron NotomŽ Delta, Capital Reef Utah, USA: Implications for Delta Asymmetry Models...

Multi-cycles Sequence Stratigraphy Analysis and the Application of Seismic Waveform Classification Technique for Sandstone Prediction in Shallow Lake Basin, #50642 (2012)

Qinglong Xia, Tao Guo, Chunqiang Xu, Zhigang Liu, Ruoxiang Zhang

Search and Discovery.com

... through self-organizing neural network algorithms. First, the algorithm obtains the model trace and utilizes the shape of seismic trace (i.e. wave...

Tidally Modulated Shorefaces

Shahin E. Dashtgard, Murray K. Gingras, James A. MacEachern

Journal of Sedimentary Research (SEPM)

... modulated shorefaces (TMS) are wave-dominated, but differ from conventional shorefaces in that sediments deposited in water depths equivalent to the upper...

Mixed Wave-, Tide- and Fluvial-Influenced, Tropical Coastal-Shelf Deposition: Miocene-Recent Baram Delta Province, Northwest Borneo; #51321 (2016)

Daniel S. Collins, Howard D. Johnson, Peter A. Allison, Abdul Razak Damit

Search and Discovery.com

...Mixed Wave-, Tide- and Fluvial-Influenced, Tropical Coastal-Shelf Deposition: Miocene-Recent Baram Delta Province, Northwest Borneo; #51321 (2016...

Underwater Study of Ripples, Southeastern Lake Michigan

Richard A. Davis, Jr.

Journal of Sedimentary Research (SEPM)

... traverses in Allegan and Berrien Counties, Michigan. Ripples range in wave length from 2.5 to 38 inches and are found throughout the sand sized fraction...

Sand Movement Along Equilibrium Beaches North of San Francisco

John A. Cherry

Journal of Sedimentary Research (SEPM)

... was studied using two methods: (1) common techniques of tracing heavy minerals and (2) theoretical predictions based on swell data and diagrams of wave...

The Tectonically Controlled San Gabriel Channel–Lobe Transition Zone, Catalina Basin, Southern California Borderland

Katherine L. Maier,, Emily C. Roland, Maureen A.L. Walton, James E. Conrad, Daniel S. Brothers, Peter Dartnell, Jared W. Kluesner

Journal of Sedimentary Research (SEPM)

...–4 m wave height and ∼ 200–300 m wavelength) that are smaller than many other CLTZ examples. This study of the San Gabriel CLTZ in Catalina Basin...

Contrasting facies patterns between river-dominated and symmetrical wave-dominated delta deposits

Brian J. Willis, Tao Sun, R. Bruce Ainsworth

Journal of Sedimentary Research (SEPM)

...Contrasting facies patterns between river-dominated and symmetrical wave-dominated delta deposits Brian J. Willis, Tao Sun, R. Bruce Ainsworth 2021...

Sea-Level Change and the Preservation Potential of Wave-Dominated and Tide-Dominated Coastal Sequences

Richard A. Davis Jr., H. Edward Clifton

Special Publications of SEPM

...Sea-Level Change and the Preservation Potential of Wave-Dominated and Tide-Dominated Coastal Sequences Richard A. Davis Jr., H. Edward Clifton...

Numerical Evaluation of Bulk Geomechanical Properties of Fractured Coal with Changing Net Effective Stress Conditions

Travis R. Mitchell, Ruizhi Zhong, Ray Johnson Jr., Christopher R. Leonardi

Unconventional Resources Technology Conference (URTEC)

... properties of fractured rocks: Dynamic vs. static considerations. International Journal of Fracture 139:569–576. Schoenberg, M., 1980. Elastic wave...

Formation Evaluation Based on Anisotropy Derived Logging Curve Normalization in Shale Gas Horizontal Wells of China

Hai Jie Zhang, Jun Wei Pu, Ling Song Qin, Tong Tong Luo, He Fa Yao

Unconventional Resources Technology Conference (URTEC)

... method, vertical and horizontal wave method, etc. (Peng et al. 2017; Zhang et al. URTEC-208401-MS 3 2018), but the density curve is easily affected...

Estimation of Dispersion in Orientations of Natural Fractures from Seismic Data: Application to Discrete Fracture Network Modeling

Reinaldo J Michelena, Kevin S. Godbey, Huabing Wang, James R. Gilman, Chris K. Zahm

Unconventional Resources Technology Conference (URTEC)

... that from the wave propagation point of view behave like an isotropic model. Velocity anisotropy models for situations that require symmetries more...

The Characterization of Fracture Mechanisms Using a Combination of Surface Microseismic Imaging, Microdeformation Modelling, and Downhole Microseismic Mapping: an Examination of the Value of Moment Tensor Migration Imaging

Raquel Velasco, Kit Chambers, Stephen A. Wilson

Unconventional Resources Technology Conference (URTEC)

... locations are calculated using hodogram orientations, P-wave and S-wave arrival picks, and a velocity model derived from a monopole sonic log (Jones et al...

Integrated Petrophysical Properties and Multi-Scaled SEM Microstructural Characterization

Eric T. Goergen, Mark Curtis, Jeremy Jernigen, Carl Sondergeld, Chandra Rai

Unconventional Resources Technology Conference (URTEC)

... controlled by microstructure and mineralogy. Strength and fracture propagation are influenced by texture (e.g. grain size) as well as the distribution...

Reconstruction of the Subsurface Reflected Wavefield on a Dense Grid from Multisensor Streamer Data

M. Vassallo, K. Eggenberger, D.J. van Manen, P. Watterson, A. Raskopin, A. Özbek

Indonesian Petroleum Association

... through the ghost model. For an intuitive explanation as to why this should be the case, consider an upgoing plane wave propagating purely...

Electromagnetic Survey of Permafrost Thickness in Northern Alaska in 1969 and 1970

George V. Keller

Pacific Section SEPM

...-penetrating radar, in which the travel time of a radiated electromagnetic wave is determined. Radar methods have been used in permafrost studies in the far...

Predicting Reservoir Heterogeneity in the Upper Cretaceous Frontier Formation in the Western Powder River Basin - An Integrated Stratigraphic, Sedimentologic, Petrophysical and Geophysical Study

Michael Hofmann, Samuel Fluckiger, Andrew Hennes, Jeff Zawila, Haihong Wang

Unconventional Resources Technology Conference (URTEC)

... sedimentary features, ichnology, and petrology. Propagation of the core facies at wireline log resolution across a geographically significant and well...

Measuring Tensile Strength of Unconventional Shales Using Microwaving

Jinhong Chen, Dan Georgi, Bitao Lai

Unconventional Resources Technology Conference (URTEC)

... (or crack initiation and propagation) in oil and gas reservoirs, especially in tight organic-rich shale. Conventional methods for measuring rock tensile...

Seismic inversion with implicit neural representations

Juan Romero, Wolfgang Heidrich, Nick Luiken, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... (Tarantola, 1984). A seismic inverse problem endeavors to approximate the elastic parameters of the subsurface, such as wave propagation velocities...