Chapter Ten-part 2: Depth Conversion

Leslie R. Denham, Dave K. Agarwal

AAPG Special Volumes

... and Computation of Velocity Seismic P-wave velocity may be measured directly by recording a conventional seismic energy source (such as a dynamite...

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)

... includes the gridded P-wave velocity and density models, and pobs and psim are the observed and simulated pressure fields, respectively. FWI...

Land seismic multi-parameter FWI imaging

Mason Phillips, James McLeman, Vlada Avramovic, Tom Rayment, Stuart Schmitt, Mike Varner, Yasser Khalifeh, Ahmad Ammar Chahine, Eskil Jersing

International Meeting for Applied Geoscience and Energy (IMAGE)

...), the conventionally derived velocity model (diving wave FWI followed by reflection tomography), and the MP-FWI imaging velocity model. The conventional model...

3.4 Detached Sediments: 3.4.1 Decollement Tectonics (A-Subduction): Application of a Statics Solution, Wyoming Overthrust

J. H. Johnson, M. S. Yancey, and P. S. D'Onfro

AAPG Special Volumes

... in seismic velocity are common in structurally complex areas. Because these changes can create false structures on seismic time sections, one must...

2D isotropic and vertical transversely isotropic RTM using SEG Hess VTI Model

Richa Rastogi, Abhishek Srivastava, Monika Gawade, Nithu Mangalath, Laxmaiah Bathula, Bhushan Mahajan, Suhas Phadke

International Meeting for Applied Geoscience and Energy (IMAGE)

... provides a stable solution pz σ sz (Fletcher et al., 2008), H and V are horizontal and vertical √ stresses, v pz is vertical P-wave velocity, v px...

Time-lapse full-waveform inversion by model order reduction using radial basis function

Haipeng Li, Robert G. Clapp

International Meeting for Applied Geoscience and Energy (IMAGE)

... or elastic wave equation in the velocity-stress formulation, with free-surface conditions at the top and convolutional perfectly matched layer absorbing...

Velocity model building from 3D surface seismic data at the Utah FORGE EGS site

Yun-Ha Jung, Nori Nakata, Sea-Eun Park, Ju-Won Oh

International Meeting for Applied Geoscience and Energy (IMAGE)

... the inverted 3D P-wave velocity model by matching available well-log data. (a) (b) Introduction Enhanced geothermal systems are being recognized...

I. Relation of Structural Section to Seismic Section

Robert E. Sheriff

AAPG Special Volumes

... compared to the amplitude of the incident wave is given by the change in the product of the densi y and velocity, as shown: [EQUATION] Where...

Finite-difference modeling of marine vibrator sources

Khalid Almuteri, Jeffrey Shragge, Paul Sava

International Meeting for Applied Geoscience and Energy (IMAGE)

... the ability to accurately and stably model high-velocity moving sources, and account for the wavefield distortion predicted by the Doppler theory...

Abstract: The Next Wave: Three-Dimensional, Three-Component Technology

Thomas L. Davis

Houston Geological Society Bulletin

... image both Nisku and Leduc reservoirs. Combined P-wave and S-wave velocity ratio (Vp/Vs) mapping of the Leduc and Nisku intervals discriminates...

A Seismic Method for Estimating Subsurface Vp/Vs Ratio Based on Converted Waves: A Case Study From Arabian Gulf

Search and Discovery.com

Seismic Velocity Model Building in an Area of Complex Geology, Southern Alberta, Canada

Helen Isaac and Don Lawton

Search and Discovery.com

...Seismic Velocity Model Building in an Area of Complex Geology, Southern Alberta, Canada Helen Isaac and Don Lawton AV Seismic Velocity Model...

7.0 The Structural Significance of Seismic Velocity - A Progress Report

P. E. Gretener

AAPG Special Volumes

...., 1954, Low Velocity Layers in the Earth's Mantle; GSA, 65/4, p. 337-348. Gutenberg, B., 1955, Wave Velocities in the Earth's Crust; Crust of the Earth...

Full Waveform Inversion on Bekapai Field: A Game-Changer Technology for Our Seismic Imaging Workflows

Magali Beele, Clement Fleury, Claudio Strobbia, Muhammad-Thurisina Choliq, Jacques Bonnafe, Gilles Vallon

Indonesian Petroleum Association

... clouds, causes several imaging challenges. Large lateral velocity variations, absorption, shadowing zone and push down effects, are hurdles difficult...

A Field Investigation of the Relationship Between Oscillation Ripple Spacing and the Near-Bottom Water Orbital Motions

Martin C. Miller , Paul D. Komar

Journal of Sedimentary Research (SEPM)

..., The relationship between sphere size and settling velocity: Jour. Sed. Petrology, v. 41, p. 7-18. INMAN, D. L., 1957, Wave-generated ripples...

Correlation of Acoustic Velocity, Stress, Rock Composition, Organic Matter and Rock Lamination in Organic-Rich Shales

Adel A. Alqahtani, Azra N. Tutuncu

Unconventional Resources Technology Conference (URTEC)

... of the compressional wave velocity on stress, rock composition, organic matter, rock lamination orientation as well as the fluid composition. After its development...

Geologically Constrained Seismic Imaging in Andean Thrust Belts, #42530 (2020).

Rob Vestrum,

Search and Discovery.com

... model Corrects for more wave-propagation effects More delicate than Kirchhoff, but performs better below large velocity inversions like sub-thrust imaging...

Effects of Settling and Preferential Deposition of Sediment on Ripple Roundness Under Shoaling Waves

Naofumi Yamaguchi, Hideo Sekiguchi

Journal of Sedimentary Research (SEPM)

...); η is ripple height, w0 is settling velocity, and T is wave period) is newly introduced. It is shown that ripples developed under shoaling waves...

Streamlining subsurface insights: Single extrapolation for holistic Green's function generation

Hongwei Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... migration, wave-equation-based methods such as one-way extrapolation (OWE) and Reverse Time Migration (RTM) can effectively handle large velocity...

Passive Seismic: Thinking Differently

Katerina Polychronopoulou

GEO ExPro Magazine

... to obtain the P- and S-wave velocity distributions below the study area. These models usually extend from the surface to the maximum depth of local...

Leveraging Reflection, Refraction, and Multiple Arrivals from Dual-Sensor Streamer Data for High-Fidelity Velocity Model Building and Imaging

G. Rønholt, J.E. Lie, Ø. Korsmo, B. Danielsen, S. Brown, S. Brandsberg-Dahl, A.V. Mavilio, N. Chemingui, D. Whitmore, M. Farouki

Indonesian Petroleum Association

...Leveraging Reflection, Refraction, and Multiple Arrivals from Dual-Sensor Streamer Data for High-Fidelity Velocity Model Building and Imaging G...

P-Wave Impedance, S-Wave Impedance and Density from Linear AVO Inversion: Application to a VSP Data from Alberta

Faranak Mahmoudian

Search and Discovery.com

..., D and E are functions of the average P-wave incident angle, the average S-wave reflected angle, and the ratio of S-velocity to P-velocity across...

P-Wave Impedance, S-Wave Impedance and Density from Linear AVO Inversion: Application to a VSP Data from Alberta

Faranak Mahmoudian

Search and Discovery.com

..., D and E are functions of the average P-wave incident angle, the average S-wave reflected angle, and the ratio of S-velocity to P-velocity across...

Abstract: Geophysical Studies of the Deep Lithosphere Beneath Hudson Bay and Environs: Implications for Paleoproterozoic Assembly of Laurentia; #90172 (2014)

David W. Eaton, Meghan S. Miller, Fiona Darbyshire

Search and Discovery.com

... to about 300 km depth. Monte-Carlo modelling is used to estimate 1D shear wave velocity profiles for each of the dispersion curves. In general, the models...

A Breakthrough of Bekapai Converted S-Wave Processing and its Positive Impact to Structural Interpretation

Effendy Siawira, Andy Kristianto, Jaques Bonnafe, Natalia Anggriani, Cepi M. Adam, Zainal Abidin, Firman B. Kurniawan, Supriady, Claudio Strobbia, Yang Liu, Youning Li, Xiagui Miao, Libo Zi, Guishui Wang

Indonesian Petroleum Association

... patterns by doing ray tracing along the exact ray paths. The P-wave depth migration was performed at first, which involved FWI shallow velocity model...