Time-Lapse Seismic Monitoring of Individual Hydraulic Frac Stages Using a Downhole Distributed Acoustic Sensing Array

Gary Binder, Aleksei Titov, Diana Tamayo, James Simmons, Ali Tura, Grant Byerley, David Monk

Unconventional Resources Technology Conference (URTEC)

... observed in the survey, 2D finite difference wave equation modeling in a fractured medium is conducted. The seismic response of fractures can be modeled...

II. Information Content and Resolution Potential of Seismic Data.

Norman S. Neidell

AAPG Special Volumes

... requires that we first adopt a wave theory viewpoint toward the propagation of a seismic disturbance. Let us first resolve a paradox which appears...

Velocity of P- and S-Waves in Arab-D and WCSB Carbonates

Search and Discovery.com

... compresional and shear wave velocities for eight carbonate rocks, six of them are from Arad-D reservior in Saudi Arabia and two of the samples are from...

Bottom Boundary Layer Parameters and Sediment Transport on the Louisiana Inner-Shelf During Cold Front Passages

David A. Pepper , Gregory W. Stone , and Ping Wang

GCAGS Transactions

... (depth ~ 8m) using a sophisticated bottom-mounted instrumentation system. We then calculated bottom boundary layer parameters using wave-current...

The General Characteristics of Moonpools of Uniform and Non-Uniform Cross-Sections

D. P. K. Fung

Southeast Asia Petroleum Exploration Society (SEAPEX)

... = 2   S 0 b 2 = S 1 0.2122 ρ The Equation of Motion for Wave Excitation The non-dimensinalized equation of motion...

Temporal Variations in Beach and Nearhore Dynamics

E. H. Owens

Journal of Sedimentary Research (SEPM)

... beaches on the Magdalen Islands in the Gulf of St. Lawrence shows that the exposed west coast has a distinct seasonal wave climate...

Finding the reservoir in an intensely scattered wavefield: A case study from the Central Sichuan Basin, China

John Coffin, Mengmeng Zhang, Panos Doulgeris, Peter Haffinger, Angie Kelsay, Jinsong Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... was to embrace this multiple scattered and mode-converted energy by using a wave equation based inversion scheme (WEB-AVO). This allowed us to reliably...

Imaging near wellbore fractures by using Stoneley wave

Xuekai Sun, Jun Zhou, Chunhao Yu, Xiugang Ma, Chris Ayadiuno, Jufeng Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Multiple suppression by 2D filtering in the parabolic τ-p domain: A wave- equation-based method: Geophysical Prospecting, 44, 375401, doi: https...

Building a worldwide carbonate database for rock-physics modeling

Jorge Fernandez-Concheso, Lev Vernik

International Meeting for Applied Geoscience and Energy (IMAGE)

... for rock-physics modeling Jorge Fernandez-Concheso* and Lev Vernik, Ikon Science Summary We expanded our compiled database of dry P- and S-wave velocity (VP...

Seismic diffraction imaging for improved coal structure detection in complex geological environments

Binzhong Zhou, Weijia Sun

Petroleum Exploration Society of Australia (PESA)

.... According to seismic wave theory, in addition to reflections commonly used in seismic surveying for structural delineation, there are diffractions...

AVAZ inversion for brittleness indicator and fracture parameters of gas-bearing reservoirs with tilted transverse isotropy

Yuanyuan Tan, Guangzhi Zhang, Zhengqian Ma, Ying Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

... for brittleness indicator and fracture parameters of gas-bearing reservoirs with TTI et al. (2020) derived the equation of the linearized P-wave reflection...

Implementation aspects of elastic FWI and its application to sparse OBN surveys

Cosmin Macesanu, Faqi Liu, Yi Huang, Hao Hu, Carlos Calderón

International Meeting for Applied Geoscience and Energy (IMAGE)

.../10.1190/segam2020-3427610.1. McLeman, J., T. Burgess, M. Sinha, G. Hampson, and T. Thompson, 2021, Reflection FWI with an augmented wave equation and quasi...

Numerical experiments on 3D frequency domain multiparameter full-waveform inversion in viscoelastic media in parallel environments

Guoqi Ma, Bing Zhou, Jamal Zemerly, Mohamed Kamel Riahi

International Meeting for Applied Geoscience and Energy (IMAGE)

... factors and wave velocities. We derived explicit Fréchet derivatives for sensitivity kernels for 3D frequency-domain viscoelastic FWI and validated...

Near-Shore Ripples: Some Hydraulic Relationships

A. S. Trenhaile

Journal of Sedimentary Research (SEPM)

... fetch environments was made in a wave tank to investigate some aspects of the relationship between ripple geometry and movement and a variety...

Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)

Wujin Chen and Anchu Wu

Search and Discovery.com

... Viscoelastic medium wave equation forward modeling on earth model with P wave source surface centered, dominant frequency is 40Hz, sampling interval is 2.5m...

A particle-based elastic wave simulation method in 3D arbitrary anisotropic media using GPU

Pinghao Wang, Xiaofeng Jia

International Meeting for Applied Geoscience and Energy (IMAGE)

... approximate solutions to wave equation. These numerical methods are still undergoing a lot of process. However, these wave equation based methods only apply...

Gas Hydrates: Part II: Rock Physics, an Introduction

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... Experiments In 2001 Michael Helgerud presented a comprehensive PhD thesis at Stanford where he analyzed wave velocities in gas hydrates and sediments...

Wave and Bottom Sediment Interactions over a Submerged Sand Bank during the Winter Cold-Front Season, Western Louisiana

Daijiro Kobashi, Felix Jose, Gregory Stone

GCAGS Transactions

...Wave and Bottom Sediment Interactions over a Submerged Sand Bank during the Winter Cold-Front Season, Western Louisiana Daijiro Kobashi, Felix Jose...

Prediction of Reservoir Rock Permeability Reduction by Using Laboratory Acoustic Measurement

Bambang Widarsono, Fakhriyadi Saptono

Indonesian Petroleum Association

... was taken as minimum below which difficulties were encountered in picking P-wave and S-wave first arrivals). Results of calculation using Equation 10 testify...

Elastic Wave Seismic Interpretation of Heavy-Oil Reservoirs

Search and Discovery.com

...Elastic Wave Seismic Interpretation of Heavy-Oil Reservoirs Elastic Wave Seismic Interpretation of Heavy-Oil Reservoirs Larry Lines* University...

Abstracts: On the Extraction of Seismic AVF Information and the Inversion of Anelastic Reflectivity; #90173 (2015)

Chris Bird, Kristopher Innanen, Laurence Lines

Search and Discovery.com

... If a plane wave is incident upon a planar boundary, oriented perpendicularly to z, and separating two media then the reflection coefficient will be given...

Seismic Modeling of Reservoir Heterogeneity Scales: An Application on Gas Hydrate Reservoirs

Search and Discovery.com

... of Toronto, Toronto, ON, Canada Summary Heterogeneous petrophysics reservoir models were constructed based on the P-wave and S-wave velocity logs showing...

Kronecker neural networks for the win: Overcoming spectral bias for PINN-based wavefield computation

Umair bin Waheed

International Meeting for Applied Geoscience and Energy (IMAGE)

... algorithms computationally feasible for large-scale problems. While timedomain solutions of the wave equation are predominantly used as they are often...

Application of land multiple numerical simulation identification and well-driven suppression technology in ultra-deep layers of S Basin

Zhang Shurui, Zang Dianguang, Li Guangpeng, Diao Yongbo, Du Jiajun, Liu Shumin

International Meeting for Applied Geoscience and Energy (IMAGE)

... suppression technique based on wave equation theory, which can eliminate multiples related to free interface. The formula is as follow(Qin,2017)： P0(n+1...

Structural Health Monitoring of An Offshore Platform Trend of Corrosion and Marine Growth With Predictive Maintenance

Kriswira Symontmatag Suharto

Indonesian Petroleum Association

... at the platform, so the model's equation does not include environmental conditions. Keywords : facilities, production, management The offshore platform...