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The AAPG/Datapages Combined Publications Database
Showing 63,012 Results. Searched 195,387 documents.
ELECTRONIC COMPUTERS AID IN EXPLORATION DECISIONS AND INTERPRETATIONS
E. J. Assiter
Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)
... and migration data for application to maps * 12. Plot out depth maps and cross-sections using a velocity function, gradient or surface Quite obviously...
1962
Abstract: Statistical Depth Imaging with Path Summation through Complex Near-Surface; #91204 (2023)
Ilya Silvestrov, Andrey Bakulin, Maxim Protasov
Search and Discovery.com
... of velocity distributions instead of using a single “best” one as in conventional algorithms. The ideas of path-integral seismic imaging were explored...
2023
Earth crustal analysis of Northwest Sabah region inferred from receiver function method
Abdul Halim Abdul Latiff, Faridah Othman
Geological Society of Malaysia (GSM)
.../s respectively as it hits the Moho boundary at 40 km depth. Keywords: Receiver function, crustal thickness, velocity structure, Kota Kinabalu INTRODUCTION Sabah...
2020
Chapter 10-part 3: 3-D Depth Image Interpretation
William L. Abriel, Joseph P. Stefani, Robert D. Shank, David C. Bartel
AAPG Special Volumes
.... One very important concept that needs to be understood is the sensitivity of seismic imaging to variations in overlying earth velocity, and why depth...
2011
Velocity for Pore Pressure Prediction Modeling and Risk Assessment
Selim Simon Shaker
GCAGS Transactions
...). Red dashed trend represents the average FFP vs. depth. Predicting the pressure in this zone, using seismic velocity, is a challenging task...
2016
Analytical Approach for Multivariate Exploration Planning via Secondary Migration Modelling
Amin Shokrollahi, Sara Borazjani, Syeda Sara Mobasher, Ulrike Schacht, Khalid Amrouch, Pavel Bedrikovetsky
Australian Petroleum Production & Exploration Association (APPEA) Journal
... currents. Using powerlaw functions to represent permeability variation, they achieved a self-similar solution for current propagation. In other...
2023
Simultaneous inversion of velocity and angle-dependent reflectivity
Nizar Chemingui, Yang Yang, Jaime Ramos-Martinez, Guanghui Huang, Dan Whitmore, Sean Crawley, Elena Klochikhina, Sriram Arasanipalai
International Meeting for Applied Geoscience and Energy (IMAGE)
... directly generated and updated at each iteration using the updated velocity and reflectivity fields, without the need for additional migrations...
2023
Three-Dimensional Depth Imaging of Seismic Data to Help Delineate Petroleum Reservoirs in the Williston Basin
Alvin K. Benson
Williston Basin Symposium
... by rapid lateral velocity changes, velocity pull-up, etc. and (b) the necessity of using a depth migration process versus time migration plus...
1995
Abstract: DREAM™ - Drilling and Real Time Migration: A New Method for the Geophysical Monitoring of Wells
Luca Bertelli, Luca Savini, and Luca Aleotti
Houston Geological Society Bulletin
...-drilling information? Starting from a depth reference section obtained with an initial velocity field, the method allows the operator to continuously...
1996
Implementation of the DIPSCAN Method to Estimate Boundary Dips in Complicated Structures by VSP Data
A. A. Tabakov, V.N.Ferentsi, H. Gravini
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... break hodograph and velocity model defined along the well with the specific dip for all layers of the model. Then back propagation seismic problem...
2006
Incorporation of Geology, Wells, Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth Model, #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 Velocity Variations in San Joaquin Valley, California
Walter S. Olson
AAPG Bulletin
..., and the linear increase of interval velocity with depth. Both equations may be fitted to data by using least squares. These equations give the simplest...
1941
Crustal Velocity and Sediment Thickness Asymmetries along and between the Conjugate Australian-Antarctic Margins
Joanne M. Whittaker, Alexey Goncharov, Simon E. Williams, R. Dietmar Müller
Petroleum Exploration Society of Australia (PESA)
... and sonobuoy observations. As a result, we obtain velocity-depth functions from sonobuoy/refraction velocity solutions within the areas of the thickest sediments...
2012
An Interpreter's Guide to Improvements in Depth Imaging through Model-Based Velocity Estimation and Refinement
Andy Furniss
Petroleum Exploration Society of Australia (PESA)
... to depth using an average velocity map or a series of interval velocity maps. This process is adequate in areas of low dip without lateral...
1999
RhoVe T Method Empirical Velocity-Density-Temperature-Effective Stress Transform
Matt Czerniak
GCAGS Transactions
... Figure 1: v-z), to density-“virtual” depth (rho-z) on-the-fly using the a-term active curve and end-members (v-rho) as a series of velocity-density...
2019
Simultaneous Joint Inversion of Seismic and Gravity Data for Long Offset Pre-Stack Depth Migration in Northern Oman, #41569 (2015).
D. Colombo, M. Mantovani, M. De Stefano, D. Garrad, Hussain Al Lawati
Search and Discovery.com
... depth. The portion of the velocity model deeper than 4 km was therefore finalized using seismic data alone. The obtained depth image (Figure 2...
2015
PP-PS depth-domain AVA inversion
Maud Cavalca, Robin P. Fletcher
International Meeting for Applied Geoscience and Energy (IMAGE)
... inversion, using point spread functions. We extend the approach of Fletcher et al. (2012) and estimate earth model properties through a joint PP-PS depth...
2023
Where Is My Horizontal Well? Use of Borehole Seismic Where Velocities Vary Laterally
Agus Muharam, Frank Musgrove
Indonesian Petroleum Association
... the depth of the well bore below the top reservoir (delta D) and the velocity of the overburden (by the method outline in Figure 6, calculations Table 1...
1998
Extending the Resolution of Seismic Reflection Exploration
L. R. Denham
Pacific Section of AAPG
... roll by velocity filtering is used. Realistic values for frequency, depth and dip of reflections will usually give a minimum number of groups around 100...
1980
Geological evaluation of suprasalt carbon storage opportunities in the Silverpit Basin, United Kingdom Southern North Sea
A. D. Hollinsworth, I. de Jonge-Anderson, J. R. Underhill, and R. J. Jamieson
AAPG Bulletin
... and their depth conversion using a seven-layer velocity model provides the basis for a new theoretical CO2 storage capacity model that incorporates volumetric...
2022
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
Geoscience Integration and Interpretive Model Building to Overcome Seismic Imaging Problems in Foothills Environments; #41547 (2015)
Rob Vestrum
Search and Discovery.com
... to depth for comparison. (b) Anisotropic depth migration using simple structural velocity model. (c) Anisotropic depth migration using revised...
2015
Quantitative seismic interpretations to detect biogenic gas accumulations: a case study from Qaidam Basin, China
Yexin Liu, Zhuoheng Chen, Liqun Wang, Yongshu Zhang, Zhiqiang Liu, Yanhua Shuai
CSPG Bulletin
...-Point methods. We chose the Elastic Impedance equation to generate objective functions to infer compressional velocity, shear velocity and density from...
2015
Hidden Structure Revealed by a Simple 3D Velocity Model - McAllen Ranch Field, Hidalgo County, Texas
Richard C. Bain
GCAGS Transactions
...% faster than the overlying or underlying units. The top and base of the high-velocity unit were correlated over a wide area using 3D seismic and well...
2010