Click to minimize content

Welcome to the new Datapages Archives

Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.

AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.

Click to maximize content

Welcome to the new Datapages Archives

Search Results   > New Search > Revise Search

The AAPG/Datapages Combined Publications Database

Showing 20,859 Results. Searched 200,685 documents.

< Previous   16   17   18   19   20   Next >

Ascending

Shaping regularization by fast explicit diffusion

Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

...) is the Z-transform of the box filter BN (Z) = 1 − ZN N (1 − Z) = 1 1 + Z + Z 2 + · · · + Z N−1 . N (2) The triangle filter defined in equation (1) has...

2022

An anti-aliasing plane wave decomposition method based on local linear Radon transform

Jian Xiang, Huazhong Wang, Bo Feng, Chengliang Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

...An anti-aliasing plane wave decomposition method based on local linear Radon transform Jian Xiang, Huazhong Wang, Bo Feng, Chengliang Wu An anti...

2024

Abstract: P-Wave Velocity Variation in Water-Saturated Sand from Shallow Seismic Refraction

L. S. Leong, K. H. Ho, K. Y. Lee, C. C. Yew

Geological Society of Malaysia (GSM)

...Abstract: P-Wave Velocity Variation in Water-Saturated Sand from Shallow Seismic Refraction L. S. Leong, K. H. Ho, K. Y. Lee, C. C. Yew 130...

1992

ABSTRACT: Design Analysis of the Raymer…Hunt-Gardner Algorithm and Modification for Shaly Sands; #90118 (2011)

Hari Kumar

Search and Discovery.com

... to obtain porosity values comparable to densityneutron porosity in shaly sands. Modified equation can be applied to derive porosity from S-wave velocity...

2011

Abstract: A New Approach to Optimizing Recovery PRTISP Process; #90239 (2015)

Harold Nikipelo

Search and Discovery.com

... not appear to be effective in highly attenuative formations. Benefits Seismic wave stimulation technology has the potential to provide a low-cost...

2015

Time-domain extended-source full-waveform inversion for acoustic vertically transversely isotropic media: Theory and numerical validation

Gaoshan Guo, Stephane Operto, Hossein S. Aghamiry

International Meeting for Applied Geoscience and Energy (IMAGE)

... Inversion (ES-FWI) is a promising method to mitigate cycle-skipping resulting from crude initial models. Relaxing the wave equation constraint...

2023

Three-Dimensional Depth Imaging of Seismic Data to Help Delineate Petroleum Reservoirs in the Williston Basin

Alvin K. Benson

Williston Basin Symposium

... subsurface as an acoustic medium, we assume that the propagation of energy through the earth is governed by the acoustic wave equation...

1995

Abstract: Near-surface S-wave Velocity from an up Hole Survey using Explosive Sources; #90187 (2014)

Saul E. Guevara, Gary F. Margrave, and William M. Agudelo

Search and Discovery.com

...Abstract: Near-surface S-wave Velocity from an up Hole Survey using Explosive Sources; #90187 (2014) Saul E. Guevara, Gary F. Margrave, and William M...

2014

Source location using physics-informed neural networks with hard constraints

Xinquan Huang, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... the solution of the wave equation. We can train this NN function in a data-free fashion by taking the PDE mean square error as the loss function...

2022

Reverse-time migration of mobile marine vibrator data

Khalid Almuteri, Paul Sava, Jeffrey Shragge

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the seismic wavefield. We compute the wavefields required by RTM using the acoustic wave equation in a generalized coordinate system that takes...

2022

Eikonal equation-based adjoint-state characteristic reflection traveltime tomography: Method and application in real dataset

Jianming Zhang, Liangguo Dong, Jianhua Wang, Yilin Wang, Chao Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the fixed reflector in the conventional ASRT. Compared to the wave-equation-based reflection traveltime inversion methods, the inversion efficiency...

2023

Seismic Migration Interpolation using Time-Shift Imaging Condition

Mark Ng

Search and Discovery.com

... wave-equation downward continuation shot migration without loosing significant accuracy. Introduction The zero time (lag) imaging condition has been...

Unknown

Seismic Migration Interpolation using Time-Shift Imaging Condition

Mark Ng

Search and Discovery.com

... wave-equation downward continuation shot migration without loosing significant accuracy. Introduction The zero time (lag) imaging condition has been...

Unknown

Sparsity and Continuity Enhancing Seismic Imaging, #41532 (2015).

Peyman P. Moghaddam, Felix Herrmann, and Chris Stolk

Search and Discovery.com

... are promoted as part of this optimization. Our method is tested with a reverse-time 'wave-equation' migration code simulating the acoustic wave...

2015

Towards wave-equation ambient noise tomography of a landslide: The Harmalière case study

Giuseppe Provenzano, Grégory Biévre, Romain Brossier, Stéphane Garambois, Ludovic Métivier

International Meeting for Applied Geoscience and Energy (IMAGE)

...Towards wave-equation ambient noise tomography of a landslide: The Harmalière case study Giuseppe Provenzano, Grégory Biévre, Romain Brossier...

2024

A practical implementation of data-space Hessian in the time-domain formulation of source extended full-waveform inversion

Gaoshan Guo, Stephane Operto, Ali Gholami, Hossein S. Aghamiry

International Meeting for Applied Geoscience and Energy (IMAGE)

... by pushing back the wavefields toward the wave equation. The authors have recently shown that source extensions are the leastsquares solutions...

2022

Ultrasound reverse time migration for human brain imaging

Ting Li, Bo Feng, Yang Zhou, Rongwei Xu, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the time dispersion, we treat the acoustic wave equation as a harmonic oscillator differential equation and obtain its exact finite difference scheme...

2024

Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data

A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah

Indonesian Petroleum Association

... events in the CRS-stacked section. Finally all data component given in the following equation, NIP-WAVE THEORY Principally, the NIP-wave tomography...

2009

Mitigation of the 3D Cross-Line Acquisition Footprint Using Separated Wavefield Imaging of Dual-Sensor Streamer Seismic Data … A First Example from Malaysia

Mazin Farouki, Andrew Long, Richard Jones, Yee Ah Chim, Magdalene Tang, Hui LeGleut, Shaoping Lu, Dan Whitmore, Adam Betteridge

Indonesian Petroleum Association

... al., 2007). Whitmore et al. (2010) published an approach whereby one-way wave equation pre-stack depth migration (PSDM) is reconfigured to use up...

2013

Integrated Seismic Attributes and AVO Analysis in the Faults and Hydrocarbon Leakage Extraction

Ragil Destriawan Prasetyo, Dicky Harishidayat

Indonesian Petroleum Association

... equation. They separated the equation into three reflection terms, each of it weaker than the previous term: 𝑅 𝑝 (𝜃) = 𝐴 + 𝐵 𝑠𝑖𝑛2...

2019

Beach Foreshore Sedimentology and Morphology in the Apostle Islands of Northern Wisconsin

Wayne N. Engstrom

Journal of Sedimentary Research (SEPM)

... sediments and slopes of 39 beaches in the Apostle Islands of northern Wisconsin were found to be related to various measures of wave energy, wave...

1974

Abstract: Application of 2D Crosscorrelation and Radon Transform for Analysis of Double Couple Microseismic Source; #90187 (2014)

Neda Boroumand and Hassan Khaniani

Search and Discovery.com

... problem, equation (1) can be expressed in Cartesian coordinates as a pair of equations that represent the continuous, elastic wave equation...

2014

Abstract: Modelling Near-field Effects in VSP-based Q-estimation Part 2: Modelling Results; #90171 (2013)

Arnim B. Haase and Robert R. Stewart

Search and Discovery.com

... and Robert R. Stewart University of Houston Summary The complete spherical wavefield emanating from a P-wave point source surrounded by a homogeneous isotropic...

2013

Reducing Uncertainties In Shear Wave Petrophysical Log Prediction By Using Deep Neural Network and Machine Learning Methods

Muhammad Faris Abdurrachman, Muhammad Dhafit Muhsin

Indonesian Petroleum Association

... the certainty of Shear-wave data prediction and minimise user workload because the user does not have to think about which equation will be used. In essence...

2021

Impact of an Integrated Seismic Data Processing Approach: A Case Study in Central Sumatra

Mars E. Semaan, Eddy Murhantoro, Maryanto, Achmad Bermawi, Budi Subianto, Hari Santoso

Indonesian Petroleum Association

...). Of particular interest is the equation which relates incident P- wave amplitudes to reflected P-wave amplitudes, since most conventional seismic...

1992

< Previous   16   17   18   19   20   Next >