3D anisotropic wavefield simulation with an advanced time-space domain temporal high-order SGFD solution

Xinquan Wang, Long Wu, Yunshan Lei, Panpan Lv, Huibing Zhao, Xiaoling Guo

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Weak elastic anisotropy: Geophysics, 51, 1954–1966, doi: https://doi.org/10.1190/1.1442051. Virieux, J., 1986, P-SV wave propagation in heterogeneous...

Characterizing the Seismic Response of Naturally Fractured Basement Reservoir in Sumatra Area: Towards an Efficient Seismic Exploration Strategy

Pongga Wardaya, Vida Irine Rossa, Erlangga Septama, Richie Rahmat Pratama, Rusalida Raguwanti

Indonesian Petroleum Association

... of mathematical equations which are describing the wave propagation is constructed from Newton’s and Hooke’s law presented as 𝜕𝑣 𝑥 𝜕𝑡 =− 1...

Permeability, Porosity, and Shear-wave Anisotropy From Scaling of Open Fracture Populations

Randall Marrett

Rocky Mountain Association of Geologists

... 78712 ABSTRACT Open fractures have a profound impact on fluid flow and shear-wave propagation in rock. Previous models have specified...

Wave Modeling and Hydrodynamics

J. Ian Collins

Special Publications of SEPM

... approximate wave theory is summarized to give the basic mathematical properties of water Following this a brief summary is presented of the factors...

Adjustments of Velocity Logs to Tie Geophone Surveys

Warren Hicks

Oklahoma City Geological Society

....: Variation of Elastic Wave Velocity With Saturation in Sandstone - Geophysics Vol. 17, pp. 739-752, 1952. Morse, R. W.: Acoustic Propagation...

The Application of Full Azimuth 3D Seismic Fracture Detection Technology in the Prediction of Favorable Reservoirs within the Shengbei 5 Well Area Tight Sandstone Region; #41226 (2013)

Xiang Guo, Jianbin Ran, Xiaowei Yu, Zhengtao Hu, Zhang Yuan, Zhang Jinxue, and Fulei Li

Search and Discovery.com

... seismic wave propagation will be affected by the fractures. Theoretical studies show that the influence of fractures may reach a maximum in the dip...

Optimal transport for elastic source inversion

Tyler Masthay, Björn Engquist

International Meeting for Applied Geoscience and Energy (IMAGE)

... the acoustic wave equation, which is less accurate than the elastic wave equation. In this paper, we extend these results to elastic source inversion in two...

The mechanics of initiation and development of thrust faults and thrust ramps

Sarah S. Wigginton, James P. Evans, Elizabeth S. Petrie

Rocky Mountain Association of Geologists

... of a mesoscopic thrust fault at Ketobe Knob in central Utah provides evidence of thrust ramp nucleation in competent units, and fault propagation upward...

Natural fracture characterization in tight gas sandstones: Integrating mechanics and diagenesis

Jon E. Olson, Stephen E. Laubach, Robert H. Lander

AAPG Bulletin

...). Geophysical techniques, which infer fracture attributes from their effects on wave propagation, sample a larger volume but have limited capability...

Acoustic Velocity Modeling of Unconventional Reservoirs

Alessandra Simone, Lori Hathon, Michael Myers

Unconventional Resources Technology Conference (URTEC)

... mathematical methods have been proposed to derive elastic moduli in VTI media including: Backus averaging, Self-Consistent approximation (SC), bounding...

Towards understanding the impact of the evanescent elastodynamic mode coupling in Marchenko equation-based demultiple methods

Marcin Dukalski, Christian Reinicke, Kees Wapenaar

International Meeting for Applied Geoscience and Energy (IMAGE)

...-multiple and (4) the focusing functions modeling and their properties. Elastodynamic one-way wave-equation We consider lossless elastic horizontally-layered...

Abstract: Cross-Validation of 3C and 9C Prestack Shear Wave Splitting Analysis at Big Sky; #90224 (2015)

Jeff P. Grossman and Gulia Popov

Search and Discovery.com

... reflection or transmission at an interface, or discontinuity in the elastic parameters of the propagation medium. Both modes are characterized...

A "50 m-high tsunami" in Sabah? - a geological "reality check" on a mathematical prediction

Mazlan Madon

Geological Society of Malaysia (GSM)

... or geologically reasonable and, therefore, should be reevaluated. Keywords: Sabah Trough, Brunei Slide, tsunami wave generation, mathematical simulation...

THE EARTHQUAKE DAMAGE TO HEBGEN DAM AND THE NECESSARY REPAIR PROGRAM

C. H. KIRK

Montana Geological Society

... earthquakes happen? Not much is definitely known about the way energies are released by sudden earth movements. However, the elastic...

Modeling Fracturing and Faulting Within Sediments Around Rapidly Moving Lateral Salt Sheets (1)

ZHIHUAI YU , IAN LERCHE , AND ALLEN LOWRIE

AAPG Bulletin

..., and R. L. Eastwood, 1985, Relationships between compressional-wave and shear-wave velocities in clastic silicate rocks: Geophysics, v. 50, p. 571-578...

Investigation and Field Application of Ultra-High Density Fracturing Technology in Unconventional Reservoirs

Fanhui Zeng, Yu Zhang, Jianchun Guo, Su Diao, Wenxi Ren, Bintao Zheng

Unconventional Resources Technology Conference (URTEC)

... of dessert evaluation parameters for different quality reservoirs scope. The second category is to use mathematical methods such as weight coefficient...

The emergence and impact of scientific machine learning in geophysical exploration

Umair bin Waheed

International Meeting for Applied Geoscience and Energy (IMAGE)

... with the physics of wave propagation. Another outstanding challenge with the training of PINN models has been due to an unbalanced back-propagated gradient...

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...

Mathematical model for calculating the horizontal principal stress of a faulted monoclinal structure in southwest Qaidam Basin, China

Xiangyu Fan, Qiangui Zhang, Meiheng Duan, Yang Yang, Qiang Duan, Xiaohong Chen, and Da Lv

AAPG Bulletin

...) established a mathematical model that provided a framework for determining the stress coefficient (Charlez, 1997). In 1973, based on the theory of elastic...

Acoustic Tomography for Reservoir Surveillance: Reservoir Characterization and Modeling

J. H. Justice, M. E. Mathisen, A. A. Vassiliou, S. Singh , P. S. Cunningham, J. R. Bulau

AAPG Special Volumes

... the medium of interest, which may be a hydrocarbon reservoir. From this data, the velocity of propagation of the seismic wave at each point...

High-resolution Measurements of Elasticity at Core Scale. Improving Mechanical Earth Model Calibration at the Vaca Muerta Formation.

Anton Padin, Gilles Pijaudier-Cabot, Alain Lejay, Hamid Pourpak, Jean-Philippe Mathieu, Atef Onaisi, Gregory Boitnott, Laurent Louis

Unconventional Resources Technology Conference (URTEC)

... of ultrasonic surface wave velocities (P and S) at the milimetric scale, then calibrated the results with discrete triaxial tests performed on plugs...

Research and application of amplitude attenuation gradient hydrocarbon detection method without the influence of thickness

Yichuan Wang, Xijia Sun, Zhao Ye, Pan Yong

International Meeting for Applied Geoscience and Energy (IMAGE)

... the relative movement of the fluid and the solid particles, resulting in the attenuation of the wave amplitude. Scholars at home and abroad have used...

ABSTRACT: A New Gradient Operator with Applications in Geophysics, by Alfaraj, Mohammed; Wang, Yuchun E.; Luo, Yi; #90141 (2012)

Search and Discovery.com

Overpressuring mechanisms in the Yinggehai Basin, South China Sea

Xiaorong Luo, Weiliang Dong, Jihai Yang, Wan Yang

AAPG Bulletin

... investigation of factors affecting elastic wave velocities in porous media: Geophysics, v. 23, p. 459–493.Xie, X. N., S. T. Li, W. L. Dong, and Z. L. Hu, 2001...

Using 3D Seismic Waves and the Time-Frequency Uncertainty Principle to Find Oil

Daniel R. Cook

West Texas Geological Society

... in complex wave patterns. Fortunately, a branch of physics called Quantum Mechanics can help decode seismic wave patterns to better locate oil and gas in 3D...