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.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 37,351 Results. Searched 200,357 documents.
ABSTRACT: Pre-Stack Depth Migration and the Imaging of Complex Structures in the Wyoming Thrust Belt
Richard Postma
Wyoming Geological Association
.... The reflections are distorted by lateral variations in velocity in overburden, producing false structures or structures that are tilted from their true shape...
2001
Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12
E. W. Peikert
AAPG Special Volumes
... discriminates against real variations in Vint which have a spacial scale less than the velocity gather spacing. Such changes, if detected at all...
1985
Imaging Complex Structures in Colombia Full Wave Equation Migration Approach
Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
...-arrival times that accounts for topography, and resolves lateral and vertical velocity variations. The corrections for the near-surface are performed...
2008
Structural Uncertainty of Parigi Carbonate Platform Due to Velocity Model Pitfall and Its Impact to Development Drilling: A Case Study of XPA Development Wells, PHE ONWJ
Search and Discovery.com
N/A
-- no title --
user1
Search and Discovery.com
... workflow for the near surface characterization. The migrated images reveal that the shallow velocity variations retrieved by elastic FWI help flatten...
Unknown
Improved channel imaging using full-waveform inversion for deepwater Lingshui giant gas reservoir in South China Sea
Tao Wu, Dun Deng, Zijing Gong, Jie Cui, Rong Li, Lianlian Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... variations. A reliable sand body delineation is highly dependent on velocity accuracy and imaging resolution. Legacy seismic images in this area...
2024
Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)
Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen
Search and Discovery.com
... of this approach is higher in the mediums with smaller lateral velocity variations. We used Equivalent Offset Migration (EOM) that is based on Kirchhoff PSTM...
2014
Abstract: Navigating through the Red Sea Subsalt Structures: A Look-Ahead VSP Case Study from Saudi Arabia; #90319 (2018)
Ali A. Aldawood, Carlos Planchart
Search and Discovery.com
... be heavily distorted in the presence of lateral velocity variations, anisotropy, or fault events in the subsurface. The Red Sea basin is geologically quite...
2018
Visco-Acoustic Full-Waveform Inversion: A Case Study to Resolve High-Resolution Shallow Channel Absorption, Offshore Indonesia
Jun Wang, Yonghe Guo, Putri Supriandini, Kelik Moersidin, Rahmad Hidayat
Indonesian Petroleum Association
... absorption from the gas accumulation cause complex velocity and absorption variations in the overburden. Both the velocity and quality factor (Q) models need...
2022
Seismic Imaging of the SW South China Sea Deep Crustal Structure Shows Evidence for a Ductile Lower Crust during Rifting; #30404 (2015)
M. Delescluse, T. Pichot, N. Chamot-Rooke, M. Pubellier, Y. Qiu, G. Sun, J. Wang, J.-L. Auxiètre
Search and Discovery.com
... and crustal scale lateral velocity variations. Ongoing processing of the MCS line shows that these lateral variations correlate well with seismic reflection...
2015
Abstract: An Analysis of the Benefits of 3D Pre-Stack Time Migration (Paper 11)
Peter Whiting
Geological Society of Malaysia (GSM)
... be remembered that the pre-stack migration is a time migration. If rapid lateral variations exist the process will not be applicable as the time...
1996
Yesterday, Today, and Tomorrow in Seismic Exploration
Emil J. Mateker, Jr.
GCAGS Transactions
..., and the many variations in rock type from sandy shales to shaly sands complicate the problem of assigning a particular velocity value to a particular...
1970
Abstract: Carbonate Reservoir Characterization Using Seismic Velocity and Amplitude Variation with Offset Analysis: Hardeman Basin, Texas, Test Case, by J. D. Pigott, R. K. Shrestha, and R. A. Warwick; #91004 (1991)
Search and Discovery.com
1991
Abstract: Success and Failure in Pressure Prediction Using Seismic Velocities in Deep Water Environments, by P. D. Heppard, M. L. Albertin, B. E. Wagner, and D. J. Bettencourtt; #90923 (1999)
Search and Discovery.com
1999
ABSTRACT: An Integrated Approach to Pressure Prediction from 3D Seismic Data, by Mike French and Dr. Nader Dutta; #90913(2000).
Search and Discovery.com
2000
Abstract: 3D muti-scale tomography: A case study from Oklahoma mountain front, Elive Menyoli, #90097 (2009)
Search and Discovery.com
2009
ABSTRACT: Seismic Modeling with One-Way Wave Equation, by Jiao, Jianwu; Saleh, Saleh M.; Verschuur, Eric; #90141 (2012)
Search and Discovery.com
2012
Full Waveform Inversion for Complex Near-Surface Imaging Using SEG SEAM II Synthetic Model; #42322 (2018)
Ali A. Mohamed, Abdullatif A. Al-Shuhail
Search and Discovery.com
... reconstruction such as refraction and diving wave tomography have limited success for cases with nearsurface velocity inversion and strong lateral...
2018
Impact of Velocity Field on AVA Analysis; #42363 (2019)
Ritesh Kumar Sharma, Satinder Chopra
Search and Discovery.com
... at strong impedance-contrast geologic markers, the vertical and lateral variations may not be smooth. Segments of sections from the seismic as well...
2019
High-End Model Building Techniques for Revealing a Pre-Carbonate Reservoir Offshore East Natuna Basin, Indonesia
Jun Wang, Yonghe Guo, Yitao Chen, Muhammad Nauvall Juliansyah, Nick Crabtree
Indonesian Petroleum Association
... illumination and lack of low frequencies beneath the carbonate platform. These unresolved small-scale lateral velocity variations generated complex RMO...
2023
Lateral Changes in Seismic Velocities and Their Effect on Depth Prediction
J. Pinchin, M. Bayly
Petroleum Exploration Society of Australia (PESA)
... stacking velocities can be used for regional depth predictions, their detailed use in areas of rapid lateral velocity variations can produce erroneous...
1989
Rapid Multiple-Scenario Depth Structure Risk Analysis Case Study in Cuulong Basin, Vietnam
Nguyen Nam, Hong Shien Lee
Indonesian Petroleum Association
... formations BI and C, and 2- Higher velocity E & D formations probably have some lateral variations. Overburden structure is not complex and relatively...
2008
Facies and Stratigraphic Controls on Velocity Anomalies in The North Madura Platform, Offshore East Java Basin
Fithra Harris Darmawan, Shakila Bt Mustaffa, Aditya Kusuma Wijaya, M Nauvall Juliansyah, Geovani Kaeng
Indonesian Petroleum Association
... in the North Madura Platform: vertical velocity variation, lateral velocity variation, pull-up effect, and push-down effect. These phenomena have affected...
2019
Pre-Stack Imaging: Time or Depth? (Paper 25)
Carl Notfors, Peter Whiting, Geoff Mansfield
Geological Society of Malaysia (GSM)
... they handle lateral velocity variations. The depth algorithm comprehends any lateral velocity variation whereas the time algorithm assumes local...
2000
Velocity Modeling with Complex Tectonics; Example from the San Joaquin Forearc Basin, California; #41950 (2016)
Lisa Alpert, Josué Rosas
Search and Discovery.com
..., Bakersfield, CA, USA ([email protected]) Halliburton, Bakersfield, CA, USA 2 Abstract Lateral velocity variations across steep thrust faults...
2016