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The AAPG/Datapages Combined Publications Database
Showing 17,690 Results. Searched 200,293 documents.
Relating Seismic Time to Geological Datum: ABSTRACT
James L. Porter
AAPG Bulletin
... are introduced. Three types of errors are inherent in correcting seismic time to a horizontal datum. These are: (1) if velocity is inaccurate, each change...
1960
High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration
Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen
AAPG Bulletin
... in the migration because of accumulative traveltime errors caused by an inaccurate velocity model. To mitigate this issue, we present a coherent-stack...
2024
The Application of PSDM VTI Method to Generate a Velocity Model That Can Solve the Mistacking Problem
Aulia Ahmad Nafis, Hasan Nurudin, Ikhsan Hanurogo, Bagus Sapto M, Ahmad Zaenudin
Indonesian Petroleum Association
... the strong lateral velocity well so mistacking can be avoided. The With this method, errors in estimating the velocity and the anisotropic effect...
2018
Abstract: Robust Surface-Consistent residual Statics and Phase Correction Part 1; #90224 (2015)
Nirupama Nagarajappa and Peter Cary
Search and Discovery.com
... and phase corrections are taken care of by surfaceconsistent deconvolution, and the statics solution is applied assuming that no wavelet phase errors...
2015
ABSTRACT: Seismic Modeling with One-Way Wave Equation, by Jiao, Jianwu; Saleh, Saleh M.; Verschuur, Eric; #90141 (2012)
Search and Discovery.com
2012
Abstract: Time-lapse full-waveform inversion: how wrong are we and how do we find out?
Maria Kotsi, Alison Malcolm
Atlantic Geology
... Waveform Inversion (FWI) has been efficiently used to image changes in Earth properties between surveys. The goal of FWI is to deliver a velocity model...
2017
Using Multiple Attributes To Calculate Pore Pressure
Search and Discovery.com
N/A
Abstract: Incorporating Different Data Types in Velocity Modelling, by Pranav Audhkhasi; #90182 (2013)
Search and Discovery.com
2013
An Interpreters Guide to Successful Prestack Depth Imaging; #41544 (2015)
Rob A. Holt
Search and Discovery.com
... in the time domain where insensitivity to errors in the migration velocity field result in a small loss of focusing that can be relatively easily recovered...
2015
Limitations of Reflection Seismograph
L. E. Nugent, Jr.
AAPG Bulletin
... methods; and (3) under velocity, numerous vagaries and their potential errors are analyzed. It is concluded that surveys which involve only errors...
1953
Limitations of Reflection-Seismic Method: Lessons from Computer Simulations: ABSTRACT
M. T. Taner
AAPG Bulletin
... recent advances in the use of "velocity spectra" models has led to some violations of these important assumptions. The most common types of violations...
1970
ABSTRACT: Reflection Tomography for Validation of Subtle Structures: A Case History from Southern Tunisia; #90051 (2006)
Harald Granser, Oezsen Refik
Search and Discovery.com
... static problems due to sanddunes at surface with low velocities but also by uncertainties in depth-conversion because of velocity variations...
Unknown
Abstract: Velocity Updating for Converted-Wave Prestack Time Migration; #90211 (2015)
Xiaogui Miao
Search and Discovery.com
... processing, the velocity ratio gamma (Vp/Vs) is estimated from C-wave data, and the S-wave velocity (Vs) is then derived from Vp and gamma. Therefore, errors...
2015
NMO Application in VTI Media: Effective and Intrinsic Eta (Geophysics Paper 6)
Joel Starr, Maz Farouki
Geological Society of Malaysia (GSM)
...) stability, how well the curve can tolerate small errors in the estimated velocity field (one would not want small errors in the estimated velocity field...
2008
Conventional Velocity Model Seems to Be the Best!
Hijreen Binti Ismail, M. Izham Kassim, Khairul Hamidi Khalid, Safitri Nurida, Wahyudin Bahri Nasifi, Hendra Iriansyah Darmawan, Rizki Krishna Pratama, M. Anuar Ismail, Noor Azmah Abdullah, Indah Edria Amorita
Indonesian Petroleum Association
... on the statistical report of residual errors, the third model result has the closest fit to well control. INTRODUCTION The area of this velocity study...
2011
Granite and Limestone Velocity Determinations in Arbuckle Mountains, Oklahoma
B. B. Weatherby, W. T. Born, R. L. Harding
AAPG Bulletin
... within observational errors and yield a value of 17,950 ft./sec. for the longitudinal wave velocity. The data taken over the shorter span show...
1934
Depth conversion and seismic inversion of the Scarborough gas field
Joseph Kremor, Manish Agarwal, Paul Spaans, Ung Sing Wong
Petroleum Exploration Society of Australia (PESA)
.... This resulted in depth errors at the geophysical markers. Then, using these depth errors, a fast track velocity model was generated and the seismic and relative...
2019
A New Approach to Time Depth Conversion and Depth Error Estimation for 2D Interpretation Using Seismic Velocities
Rosidah Hardiani, Sanisah Soed, Lothar Schulte
Indonesian Petroleum Association
... delivers smaller depth errors for the lower horizon than the average velocity approach. Apparently, smoothing * ** PETRONAS Carigali Sdn Bhd,Malaysia...
2013
Abstract: Critical Review, Calibration, and Ranking of Popular Velocity-Based Pressure Prediction Models, by Mario A. Gutierrez, Neil Braunsdorf, and Brent Couzens; #90039 (2005)
Search and Discovery.com
2005
ABSTRACT: Geologically Driven Pore Pressure Prediction from Seismic Velocity Data - Theory
Search and Discovery.com
N/A
Receiver Functions and Surface Wave Dispersion Modeling of the Crust and Upper Mantle beneath the Texas Gulf Coast
Search and Discovery.com
N/A
Application of Full Waveform Inversion to Resolve an Eroded Shallow Carbonate Platform, North Madura, East Java, Indonesia
David Cavalin, Nurrul Ismail, Tom Paten, Kola Agbebi, Dave Lim
Indonesian Petroleum Association
... frequencies of the recorded data to drive a more complex velocity model update technique: Full Waveform Inversion (FWI). Standard traveltime...
2019
Effects of near Surface Lithology on Velocity Modelling and TimeDepth Relationships in the CooperEromangaLake Eyre Basin
Anna Manka, Glen Buick, Rob Menpes, Luke Gardiner, Cameron Jones, Khalid Amrouch
Australian Petroleum Production & Exploration Association (APPEA) Journal
...: Cooper–Eromanga Basin, depth errors, exploration, near surface geology, velocity modelling. Received 12 December 2017, accepted 13 February 2018...
2018
EXTENDED ABSTRACT: Applications of Wave Imaging Technologies to Improve Deep Gulf Prospecting
Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez
GCAGS Transactions
... velocity under complex refractors such as salt (Brown et al., 2009) and is robust to large errors in migration velocity and irregular acquisition...
2010
Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12
E. W. Peikert
AAPG Special Volumes
... of subsurface parameters. Estimates of Vint from individual velocity gathers are subject to errors caused by a number of factors such as: 1) random noise, 2...
1985