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The AAPG/Datapages Combined Publications Database

Showing 17,715 Results. Searched 200,626 documents.

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Robust phase-driven time warping FWI for salt reconstruction

Guanghui Huang, Alejandro Alcudia-León, Jaime Ramos-Martínez, Nizar Chemingu

International Meeting for Applied Geoscience and Energy (IMAGE)

... structures. Introduction FWI for reconstructing salt and geobodies with large velocity contrasts compared to surrounding sediments requires special...

2024

Critical Analysis of Stack Seismic Systems

L. E. Nugent, Jr.

AAPG Bulletin

..., this basic error commonly is increased critically by velocity variations characteristic of the system. Proof of this is based on the classical principles...

1967

Abstracts: Full Waveform Inversion with Total Variation Regularization; #90173 (2015)

Amsalu Y. Anagaw, Mauricio D. Sacchi

Search and Discovery.com

... åå 2 w , 2 ( , w) - (w ) 1 where m is the slowness (inverse of velocity) model parameter we seek to retrieve,  is the angular frequency, and ns...

2015

Seismic Stratigraphic Exploration - A New Frontier

Roy O. Lindseth

Rocky Mountain Association of Geologists

... measurement, and direct correlation to well control. However, the major advantage is the ability to display and map lateral velocity changes which...

1977

Multidisciplinary site investigations using refraction microtremor surveys

A. Pancha, J. Louie, R. A. Apperley

International Meeting for Applied Geoscience and Energy (IMAGE)

... nearby trees, to determine the underlying 1D velocity structure. The methodology takes advantage of Rayleigh waves that are very easily generated...

2022

Seismic Processing Strategies in the Deep Water Kutai Basin … Gendalo Hub Pre-Stack Depth Migration

Xiuyuan Li, Harmit Singh, Joe Zhou, Graham Hodgkiss, Neil Young, Helmut Hsiao

Indonesian Petroleum Association

... capability, allowing use of velocity models with directional as well as lateral and vertical variation, to yield superior images and tie well...

2011

Abnormal Formation Pressures: Recognition, Distribution, and Implications for Geophysical Prospecting, Brazoria County, Texas

Edward T. Flanigan

GCAGS Transactions

... mis-ties if a single velocity function is used for time-depth conversion throughout the area. These mis-ties result from lateral variations in acoustic...

1981

Abstract: Prestack Depth Migration with the Gabor Transform; #90211 (2015)

Yongwang Ma and Gary Margrave

Search and Discovery.com

... is to develop an adaptive windowing scheme that only localizes the wavefield as required by the lateral velocity variation. If there is no lateral...

2015

Impact of Pre-Stack Depth Migration on the Anama Prospect, Papuan Foreland Basin

K. Bradey

Papua New Guinea (PNG) Petroleum Convention Proceedings

... . H ow ever, the sparse w ell control p recludes the definition of accurate velocity fields, and many wells have poor quality sonic log data...

2000

Quantification of Dynamic Sand Settling Velocity in High-Viscosity Friction Reducers and Correlation with Rheology

Y. Thomas Hu, Chris Popeney, Chad Gilmer, Pious Kurian

Unconventional Resources Technology Conference (URTEC)

...Quantification of Dynamic Sand Settling Velocity in High-Viscosity Friction Reducers and Correlation with Rheology Y. Thomas Hu, Chris Popeney, Chad...

2019

Diffusion and Settling of Sediments at River Mouths: A Computer Simulation Model

G. F. Bonham-Carter, Alex J. Sutherland

GCAGS Transactions

... the velocity field and the rates of sediment diffusion. By adjusting the input parameters, a variety of "delta" deposits may be created. The shape...

1967

Full-waveform inversion and FWI imaging for land data

James Sheng, Cristina Reta-Tang, Faqi Liu, Alfredo Vzquez Cant, Alejandro Cabrales Vargas

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Pemex Summary Velocity model building and imaging for land surveys are particularly challenging due to the complexities of the near surface model...

2022

Research of high-precision depth interpretation method for low-amplitude offshore reservoir and its application in C oilfield, Bohai Bay Basin

Wenbin Li, Jianli Wang, Zhenglong Zhang, Heng Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to fast lateral velocity change, poor quality of seismic velocity, time-depth conversion only based on velocity interpolation of several existing...

2022

The contribution of recent developments in signal processing technology and geological constraints to the reimaging of narrow-azimuth streamer data in the north-eastern Gulf of Mexico

Hongyan Li, Jarred Hostetler, Nadxieli De La Rosa Perez, Hugo Enrique Munoz Cuenca, Zhao Ge, Wilson Ibanez, Courtney Steichen, Ruoyu Gu, Jarrod Hutson, Michiru Tomida

International Meeting for Applied Geoscience and Energy (IMAGE)

... multiple modeling, the SNR and resolution are highly improved, resulting in improved AVO reliability. Additionally, a more accurate velocity model...

2023

Extended Abstract: Eagle Ford Shale Prospecting with 3D Seismic and Microseismic Analysis

Galen Treadgold, Bruce Campbell, , Bill McLain, , Steven Sinclair, , and David Nicklin

Houston Geological Society Bulletin

.../fracture potential. Simultaneously solving for VTI and velocity provides a better velocity field for feeding pore pressure predictions and may provide some...

2011

Geophysical Log Responses to Variatons in Lithology in Borings Clino and Unda, Great Bahama Bank

E. Robert Warzeski, Leslie A. Melim, Robert N. Ginsburg

Special Publications of SEPM

... porosity and permeability Geophysical logs include gamma ray caliper density neutron sonic velocity and neutron of the data from the two borings porosity...

2001

An Integrated Approach to Pore Pressure Prediction in an Exploration Setting, Deepwater Sarawak Block F (Paper 42)

R. Courel, D. Goulding, P. Desegaulx, M. Bayly, P. Abolins, C. Sejourne, L. De Walque, G. Pouliquen, F. Dartois

Geological Society of Malaysia (GSM)

... and overpressures within the sediments. A multidisciplinary approach has been developed to address these phenomena. SEISMIC VELOCITY FIELD Following...

2003

Extended Abstract: Advances and Challenges in Seismic Data Processing and Imaging for Geologically Complex Areas

Ruben D. Martinez

GCAGS Transactions

... velocity model building and depth migration algorithms could not possibly deliver useful seismic depth images for structural interpretation...

2012

NMO Application in VTI Media: Effective and Intrinsic Eta (Geophysics Paper 6)

Joel Starr, Maz Farouki

Geological Society of Malaysia (GSM)

... and velocity in a CMP gather. NMO equations approximate the time shift which would be computed by tracing a ray through a horizontally layered Earth. A few...

2008

Extended Abstract: Recent Advances in Pore Pressure Prediction in Complex Geologic Environments

Alan R. Huffman

GCAGS Transactions

... by overly simplistic estimates of the Earth’s velocity field. Geopressure prediction techniques have started incorporating more sophisticated velocity...

2018

Abstract: Improving Reservoir Imaging with Time-Lag Fwi in the Partitioned Zone Between Kuwait and Saudi Arabia; #91204 (2023)

Art Petrenko, Trevor Coulman, Guangfu Shao, Ibrahim Hakam, Mohammed Almutairi, Sujoy Ghose, Kai Zhang

Search and Discovery.com

.... However, the complex karst structures and strong velocity contrasts at alternating slow and fast layers pose great challenges for reservoir imaging...

2023

Incorporation of Geology, Wells, Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth ModelŽ, #40862 (2012)

Huyen Bui, Peck Hwa David Ng, Jenny Zhou, Chih-Wen Kue, Martiris Smith

Search and Discovery.com

... to incorporate geology, well, and rock physics in anisotropy estimation for seismic depth imaging. As we all know, that the seismic velocity is an important...

2012

Seismic Image Enhancement of the Banyu Urip Carbonate Buildup, Cepu KKS, With Effective Data Denoise and Q-Compensated PSDM

Gene Skeith, Peter Traynin, J. M. Reilly, Mike Rainwater, Parada Devy Silitonga

Indonesian Petroleum Association

.... Imaging the field is particularly difficult owing to a combination of several factors - lateral velocity complexity caused by a carbonate build-up...

2008

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