Pyseis: A high-performance, user-friendly Python package for GPU-accelerated seismic modeling and subsurface imaging

Stuart Farris, Guillaume Barnier, Ettore Biondi, Robert Clapp

International Meeting for Applied Geoscience and Energy (IMAGE)

... advanced algorithms such as full waveform inversion, least-squares reverse time migration, and wave equation migration velocity analysis. Temporal...

Viscoacoustic wave propagation: Spectral-element simulations with a novel GSLS-type wave equation

Yu Chen, Bin He, Hejun Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

...; Qk is the quality factors of bulk moduli, which is equal to quality factors of P wave velocity. The convolution term can be eradicated by defining...

Computation of phase velocity direction using normalized wavefields

Kwangjin Yoon, Jungkyun Hyun

International Meeting for Applied Geoscience and Energy (IMAGE)

... the direction of phase velocity in isotropic and anisotropic media through the comparison between the wave propagation direction vector calculated...

Mudstone Geophysical Properties for Pressure Prediction

Dan Ebrom

GCAGS Transactions

... geophysical properties to start with are total porosity (or equivalently, density), P-wave velocity, and S-wave velocity. Earlier model...

Fine-Grained Versus Coarse-Grained Wave Ripples Generated Experimentally Under Large-Scale Oscillatory Flow

Don I. Cummings, Simone Dumas, Robert W. Dalrymple

Journal of Sedimentary Research (SEPM)

... velocity. An equilibrium bed was judged to have been reached when the average size and shape of the wave ripples stopped changing. In general, equilibrium...

New numerical schemes for time-domain seismic wave modeling in viscoelastic media

Bing Zhou, Moosoo Won, Chao Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

...New numerical schemes for time-domain seismic wave modeling in viscoelastic media Bing Zhou, Moosoo Won, Chao Jin New numerical schemes for time...

Not Accounting for a Potential Water Hammer Pressure Surge in Shale Stimulation Designs Can Increase Your Over-Pressure Risk

Stan Stephenson, Joe Beisel, Brad Bull

Unconventional Resources Technology Conference (URTEC)

... that the higher the velocity, density, and bulk modulus of the fluid, the higher the pressure wave will be when the fluid is suddenly stopped. A lower volume...

Direct S-wave seismic data interpretation for channel sand reservoir at Sanhu area, West China

Rui Zhang, Zhiwen Deng, Yan Wang, Xiaoyu Xi, Xiusong Wang, Jie Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... component; (d) RGB blended of 10 Hz, 35 Hz and 55 Hz components. Because S-wave velocity or impedance is not influenced by the fluid, its contrast...

Explainable AI: Can neural networks recognize first arrivals after wave separation?

Yanwen Wei, Zhenyu Zhu, Jicai Ding, Yichuan Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

...Explainable AI: Can neural networks recognize first arrivals after wave separation? Yanwen Wei, Zhenyu Zhu, Jicai Ding, Yichuan Wang Explainable AI...

The Relation Between the Size of Wave-Formed Ripple Marks, Depth of Water, and the Size of the Generating Waves

O. F. Evans

Journal of Sedimentary Research (SEPM)

... of the greater velocity involved in the movement since the velocity of a wave varies directly as the square root of its length. The bottom...

Research and application of near surface modeling in dual complex exploration areas

Xinyue Song, Duojun Zhang, Zaijin Zhang, Yi Bao, Cheng Wang, Zhonghua Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

... complex surface structures with drastic spatial variations in velocity. This paper proposes a near surface modeling method based on surface wave...

Hydrocarbon exploration method based on spectral analyses of reflected seismic waves with an introduction to Class A, B and C P-wave dispersion

Robert Wiley, R. Harris Ardis, Scott W. Peters

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Figure 1a: Class C ADF® Velocity Vs Frequency. Examples: Class A, B and C P-Wave Dispersion Analogous to Class I, II and III AVO, there is Class...

Machine Learning Prediction and the Impact of CO₂ Injection on S-Wave in 20 Years in the Legacy Well Field

Sharif Morshed, Shafiqul Alam Khan, Wu Hao

Unconventional Resources Technology Conference (URTEC)

... will significantly affect and change the velocity. The s-wave URTeC: 4044564 2 velocities will change more than the p-wave velocity since it is more...

Multicomponent Seismic Studies of the Gas-hydrate System at the Storegga Slide

Stefan Bunz, Jurgen Mienert, Karin Andreassen

AAPG Special Volumes

... geophones. S waves can be useful in addition to P-wave data because the S-wave velocity is slower than P-wave velocity and S waves are less affected...

Abstract: Joint PP and PS AVO Inversion Based on Zeopprtiz Equations; #90171 (2013)

Tiansheng Chen and Xiucheng Wei

Search and Discovery.com

... equations to inverts for the ratio of density, P-wave velocity and S-wave velocity using the PP and PS plane wave reflection coefficients. At small incident...

Abstract: Joint PP and PS AVO Inversion Based on Zeopprtiz Equations; #90171 (2013)

Tiansheng Chen and Xiucheng Wei

Search and Discovery.com

... equations to inverts for the ratio of density, P-wave velocity and S-wave velocity using the PP and PS plane wave reflection coefficients. At small incident...

Abstract: Stratigraphic Relationship Between Tide Dominated Valley Fill Successions & Wave Dominated Deltaic Strata Upper McMurray … South Athabasca, Alberta; #90213 (2015)

J. Edward Mathison

Search and Discovery.com

...Abstract: Stratigraphic Relationship Between Tide Dominated Valley Fill Successions & Wave Dominated Deltaic Strata Upper McMurray … South Athabasca...

S-Wave Analysis of Fracture Systems, by Bob A. Hardage and Michael V. DeAngelo, #40227 (2006).

Search and Discovery.com

Multicomponent Seismic Augments Seismic Stratigraphy Interpretation, by Bob Hardage, #40888 (2012).

Search and Discovery.com

P-Wave Wipeout Zones Caused by Low Gas Saturation Strata, by Bob Hardage, #40923 (2012).

Search and Discovery.com

Petrophysical Relationship to Predict Synthetic Porosity Log; #41124 (2013)

Thariq Guntoro, Intan Putri, and Ayi Syaeful Bahri

Search and Discovery.com

... of hydrocarbon either gas or oil. By petrophysical relationship, the synthetic log can be estimated. Faust's equation was used to obtain P-wave velocity...

Shear Velocity Prediction and its Rock Mechanic Implications, #41296 (2014)

Yexin Liu, Zhuoheng Chen, Kezhen Hu

Search and Discovery.com

... of formation geomechanical properties. The shear (S-wave) velocity, compressional (P-wave) velocity and density can be used to estimate the Young...

Evaluating Along-Strike Variation Using Thin-Bedded Facies, Upper Cretaceous Ferron Notom Delta, Utah, #50983 (2014).

Zhiyang Li, Janok Bhattacharya

Search and Discovery.com

.... Storm deposits (tempestite) are fining upward and are characterized by the hummocky cross stratification (HCS) and wave ripples. All these three processes...

Rayleigh Inversion Application Study in Some Areas of Middle East, #42217 (2018).

Fuhao Jiang

Search and Discovery.com

... on the relation between phase-velocity and the depth transmitted from wave-length. In order to optimize the model building methods, three methods...

AVO Analysis for Direct Hydrocarbon Detection in Field X in the Persian Gulf (Paper 5)

Mohammad Ali Riahi, Mohammad Emami Niri

Geological Society of Malaysia (GSM)

... to the attributes. In the P-wave velocity computed section, a low velocity anomaly was found that matched with AVO anomaly in other attributes, proving...