Multilayer perceptron and Bayesian neural network based implicit elastic full-waveform inversion

Tianze Zhang, Jian Sun, Daniel O. Trad, Kristopher A. Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... and Operto, 2009). Practical FWI faces several key challenges. On land, adequate near-surface models typically require elastic or viscoelastic propagation...

Backscatter analysis of vehicle-generated noise using symmetric autoencoders

Sanket Bajad, Pawan Bharadwaj

International Meeting for Applied Geoscience and Energy (IMAGE)

...-correlation residuals obscure crucial surface-wave information (Zhang et al., 2021) when processing traffic noise in shorter time intervals (Louie, 2001; Park...

Surface Seismic Monitoring of Hydraulic Fracturing Test Site (HFTS) in the Midland Basin, Texas

Abhash Kumar, Kevin Chao, Richard W. Hammack, William Harbert

Unconventional Resources Technology Conference (URTEC)

... long, with no clear first wave arrival; the seismic energy was largely visible on the vertical component suggesting that the events are dominated by P...

Case Study: Using Acoustically Derived Completion Data, Machine Learning, and Economics to Evaluate Completion Effectiveness in the Bakken

Josh Kroschel, Muhammad Khan, Nathan Crawford

Unconventional Resources Technology Conference (URTEC)

.... Figure 2. Tube wave propagation and the resulting impedance traveling back to surface equipment (Bourgoyne & Murray, 2023) URTeC 4044668 4 Figure...

Evolution of Structural Models of Two Anticlines in the Papuan Thrust Belt by Application of Magnetotellurics

Lindsay Ross

Papua New Guinea (PNG) Petroleum Convention Proceedings

...) invoked a fault propagation fold mechanism. Thrust detachment is modelled within the base of the Koi lange Formation, ramping up stratigraphic sec­ tion...

Impact of Natural Fracture Induced Elastic Anisotropy on Completion and Fracturing Design in Different Shale Reservoirs

Emre Can Dundar, Aymen Alhemdi, Ming Gu

Unconventional Resources Technology Conference (URTEC)

..., with shear wave splitting ranging from 0-5%, are introduced in the TI background rock to create the corresponding OB rock stiffness tensor. The OB...

Predicting the time-evolution of CO2 saturation through a combination of rock physics and full-waveform inversion

Qi Hu, Dario Grana, Kristopher A. Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

...; Virieux and Operto, 2009). FWI, although more computationally intensive, in principle accounts for all of these wave propagation effects, and high...

Rock Physics Model of the Eagle Ford Shale

Colin M. Sayers, John J. Walsh, Kevin Fisher, Sagnik Dasgupta

Unconventional Resources Technology Conference (URTEC)

... to vertical wave propagation. In this paper, the ability of rock physics templates to distinguish between organic-rich and organic-lean shales is investigated...

Developing a New Technique Through Partnering with Contractors: Reservoir Prediction Utilizing AVO Walkaway VSP Data to Calibrate Surface Seismic Gathers, a Case Study in Indonesia

Patricia L. C. Henderson, Dan Hampson, Scott Leaney, Nigel Smith, John Rice, Dave Boreham

Indonesian Petroleum Association

... that the wave propagation is two dimensional and is confined to a plane containing the borehole and the source line. The horizontal components are projected...

New method for monitoring steam injection for Enhanced Oil Recovery (EOR) and for finding sources of geothermal heat

Gordon Stove, G. Colin Stove, Michael Robinson

Petroleum Exploration Society of Australia (PESA)

... with the energy values to produce the WMF reading per depth interval; and 4. Temperature profile. AEGC 2018: Sydney, Australia 3 Wave propagation through...

Shallow Gas Identification using LWD Monopole Sonic: A Non-Radioactive Solution for Safe and Effective Logs Acquisition in Tunu Field, Mahakam Delta

Antonius Tri Santoso, Hidayat Mukmin, Haris Kurniawan Hidayat, Supriady

Indonesian Petroleum Association

...) are minimized. Monopole wave propagation in a borehole show the refraction and reflection occurring when the wave impacts the formation...

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)

.... Komar 1980 Vol. 50 No. 1. (March), Measurements of oscillation ripples have been obtained in the high-energy wave environment off the Oregon coast...

THE MORPHODYNAMICS AND SEDIMENTOLOGY OF A SEASONALLY CONTROLLED MICROTIDAL TIDAL INLET: THE NARIVA RIVER TIDAL INLET, COCOS BAY, TRINIDAD

Saeed Khan, Brent Wilson, Ryan Ramsook, Hasley Vincent

Journal of Sedimentary Research (SEPM)

... propagation and wave-driven currents from locally collected wave data, and 2) a longshore sediment transport is calculated from cross-shore profiles. Four cross...

The Post-Glacial Evolution of Chignecto Bay, Bay of Fundy, and Its Modern Environment of Deposition

Carl L. Amos, Kim T. Tee, Brian A. Zaitlin

CSPG Special Publications

... and a probable import of material suspended in the Bay of Fundy. Wave activity during this time was suppressed, possibly as a result of a barrier island across...

Ripple Marks as an Aid in Determining Depositional Environment and Rock Sequence

O. F. Evans

Journal of Sedimentary Research (SEPM)

...Ripple Marks as an Aid in Determining Depositional Environment and Rock Sequence O. F. Evans 1949 Vol. 19 No. 2. (August), Ripple marks, both wave...

Abstract: A Conceptual Framework for Wave-Dominated and Tidally Influenced Shorefaces, by Shahin E. Dashtgard, James A. MacEachern, Shannon E. Frey, and Murray Gingras; #90124 (2011)

Search and Discovery.com

Sedimentological Signatures of Paleogene in Lishui Sag, East China Sea Shelf Basin

Search and Discovery.com

Abstract: The Application of Extreme Attributes of PS Converted Wave; #90171 (2013)

Xiucheng. Wei, Xiang-Yang Li, Tiansheng Chen, and Lihua Jia

Search and Discovery.com

...Abstract: The Application of Extreme Attributes of PS Converted Wave; #90171 (2013) Xiucheng. Wei, Xiang-Yang Li, Tiansheng Chen, and Lihua Jia...

Abstract: Converted Wave Shot Profile Wave Equation Migration Toolbox Kit; #90224 (2015)

Mark Ng

Search and Discovery.com

...Abstract: Converted Wave Shot Profile Wave Equation Migration Toolbox Kit; #90224 (2015) Mark Ng Datapages/Search and Discovery Article #90224...

Modeling the effect of gas adsorption on elastic properties of unconventional shale reservoir

Jingyan Chen, Luanxiao Zhao, Tianrui Hu, Jinwan Zhu, Yirong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the conventional rock physics modeling without gas adsorption effects predicts lower P-wave velocity than the real measurements. This also...

A shallow velocity model building using full-waveform inversion on 3D onshore dataset

Young Seo Kim, Jewoo Yoo, Tong Fei, Ali Almomin

International Meeting for Applied Geoscience and Energy (IMAGE)

...𝜔) = 2𝑖 𝐼𝑚𝑎𝑔[𝑤𝑢∗ (𝑤𝑢 − ̃ )] ̃ ̃ 𝑑 ̃∗ 𝑢 (5) where * denotes the complex conjugate and 𝐼𝑚𝑎𝑔 means the imaginary part of a complex value. In our works, we use acoustic w...

Building high-resolution models and synthetic seismic data to evaluate interpretation scenarios

Tiago Santos Cabral, Rodrigo Lopes Fernandes, Daina Popic Bendoraitis, Josair Estrela Gonalves Junior, Luiz Alberto Santos

International Meeting for Applied Geoscience and Energy (IMAGE)

... improves over time, modeling techniques that can handle those complex situations, like finite-difference (FD) modeling with the full wave equation (pioneered...

Brazos A-105 D-Sand Reservoir Modeling by Integration of Seismic Elastic Inversion Results with Geostatistical Techniques

W. Xu, K. Wrolstad, D. Kramer, P. Dooley, K. Domingue, D. T. Vo

AAPG Special Volumes

..., and K. H. Wrolstad, 1992, Seismic ray tracing method and apparatus: U.S. Patent 5,079,749.Backus, G. E., 1962, Long-wave elastic anisotropy produced...

Optimized characterization workflow for naturally fractured reservoirs using seismic anisotropy attributes in the Middle Magdalena Valley basin, Colombia

Oscar Moreno, Enrique Casaña, Luis Figuera, Iván Higuera, Diego García, Jorge Acosta, Benjamin Roure

International Meeting for Applied Geoscience and Energy (IMAGE)

..., doi: https://doi.org/10.1046/j.1365-2478.2001.00236.x. Schoenberg, M., and J. Douma, 1988, Elastic wave propagation in media with parallel fractures...

Obtaining Low Frequencies for Full Waveform Inversion by Using Augmented Physics

Eldad Haber, Eran Treister, Elliot Holtham

Petroleum Exploration Society of Australia (PESA)

... with absorbing boundary conditions to mimic the propagation of the wave in an unbounded domain. Next, we consider the data, d, as an inner product of the form...