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The AAPG/Datapages Combined Publications Database
Showing 1,097 Results. Searched 200,357 documents.
Geometric and seismic interpretation of the Perdido fold belt: Northwestern deep-water Gulf of Mexico
Rion H. Camerlo, Edward F. Benson
AAPG Bulletin
... in 1996. Data quality significantly improved by the late 1990s, especially the imaging and recording of data to much greater depth (traveltime...
2006
Combining high resolution modelling and one-way wave field extrapolation migration to image beneath a complex overburden: A case study from Porcupine Basin, Ireland
Partha Pratim Mandal, Weidi Koh, Julien Bluteau, David Laws, Jennifer Greenhalgh
Petroleum Exploration Society of Australia (PESA)
... The success of any depth velocity model building (VMB) process depends upon the quality of the input dataset. TECH TALK Figure 1: Map showing location...
2016
Extended Abstract: Using Crosswell Measurements to Enhance Velocity Model Calibration for Real-Time Microseismic Monitoring
Leah J. Hogarth, Conrad Kolb, Joël Le Calvez
GCAGS Transactions
.... Measurements of the velocity field, reflectivity, and attenuation provide crosswell products such as traveltime and attenuation tomography (e.g., Carrillo...
2016
Structure and Development of Porcupine Seabight Sedimentary Basin, Offshore Southwest Ireland
D. G. Masson, P. R. Miles
AAPG Bulletin
...------------ The Porcupine Seabight is a conspicuous embayment in the continental margin southwest of Ireland (Figure 1). Water depth within...
1986
Three-dimensional seismic geomorphology and analysis of the Ordovician paleokarst drainage system in the central Tabei Uplift, northern Tarim Basin, western China
Hongliu Zeng, Robert Loucks, Xavier Janson, Guizhong Wang, Yiping Xia, Bingheng Yuan, Ligui Xu
AAPG Bulletin
... of this algorithm is an unmigrated poststack-time 3-D volume that is then depth migrated using a smoothed velocity model (Janson and Fomel, 2011). No random...
2011
Chapter Thirteen: 4-D Reservoir Monitoring
Alistair R. Brown
AAPG Special Volumes
... then differenced and these difference volumes sliced. One such velocity difference depth slice is shown in Figure 13-8, demonstrating in color the effect...
2011
Inversion of Magnetotelluric (MT) Data with Enhanced Structural Fidelity, #42333 (2018).
Federico Golfre Andreasi, Simone Re, Federico Ceci, Luca Masnaghetti
Search and Discovery.com
.... Unfortunately, these techniques lack the resolution required to infer the geologic setting at depth and to build a structural model with adequate...
2018
Abstract: Regime Rays: Visualizing the Fermat/Snell Loci in Homogeneous Anisotropic Media; #90171 (2013)
William J. Vetter
Search and Discovery.com
... between paired points on the wave surfaces and their ansatz-front-normal velocity representation surfaces. From traveltime ansatz to regime rays...
2013
Anisotropy Kinematics Clarified through Regime Rrays Model
William J. Vetter
Search and Discovery.com
..., (3) not direction-wise orthagonal to front tangent planes; (4) and, velocity or slowness magnitudes along loci directions differ from those in front...
Unknown
Anisotropy Kinematics Clarified through Regime Rrays Model
William J. Vetter
Search and Discovery.com
..., (3) not direction-wise orthagonal to front tangent planes; (4) and, velocity or slowness magnitudes along loci directions differ from those in front...
Unknown
Common Reflection Surface (CRS) Stack: Limitations and Opportunities for High-Resolution Seismic Imaging; Real Data Cases
M. S. Jaya, E. A. Sentani, Yendri, Widjonarko, D. Santoso
Indonesian Petroleum Association
... wavefield attribute sections that are useful in further processing such as tomographic velocity model inversion and depth migration processing...
2007
Deep learning Laplace-Fourier full-waveform inversion with virtual supershot gathers
Lei Fu, Daniele Colombo, Weichang Li, Ernesto Sandoval-Curiel, Ersan Turkoglu
International Meeting for Applied Geoscience and Energy (IMAGE)
...ovide good overall understanding of the survey area, based on which we build the starting earth models. Then, we add velocity and depth varia...
2022
High-resolution seismic monitoring insights on stress and fault orientations in the Delaware Basin
Adam M. Baig, Aaron Booterbaugh, Sepideh Karimi
International Meeting for Applied Geoscience and Energy (IMAGE)
... in a nonlinear optimization problem involving a three-dimensional velocity model. These locations are refined by consistent repicking implemented...
2022
Two-dimensional seismic refraction tomography of a buried bedrock valley at Hallsands beach, Devon, United Kingdom
Eric B. Avalos, David H. Malone, Eric W. Peterson, William P. Anderson, and Roland W. Gehrels
Environmental Geosciences (DEG)
.../s (6900-ft/s) velocity contour, which shows bedrock depth at approximately −1-m (3-ft) elevation. This correlates with bedrock located in core 8...
2016
Structural Features of the Crystalline Basement of the Volgograd Area on the Volga in Connection with Evaluation of the Oil-Gas Prospects of the Devonian Clastics
O. D. Kazantsev, V. N. Khlystova, L. M. Naydis
Petroleum Geology: A Digest of Russian Literature
... basement and constructed from linear traveltime curves: a-surface of the basement of Proterozoic age (provisional); b-surface of the basement of Archean...
1962
Improving the image below complex overburden geology with FWI and Q-tomography: A case study at Etame license area, offshore Gabon
Richard Huang, Chong Chung, Benjamin Cole, Ivan Berranger, Ika Novianti, Paul Ware
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the target events for FWI. This area is characterized by fast velocity bodies located in the shallow to mid-depth region of the subsurface...
2022
Predicting Waterflood Behavior by Simulating Earth Models with No or Limited Dynamic Data: From Model Ranking to Simulating a Billion-Cell Model
Joseph Hovadik, David Larue
AAPG Special Volumes
...) or an approximation to the velocity of the advancing waterfront (obtained by solving the Darcy equation for a single pressure step).In the cases considered here...
2011
Bering Sea Velocity-amplitude Anomalies: Exploring the Distribution of Natural Gas and Gas-hydrate Indicators
Ginger A. Barth, David W. Scholl, and Jonathan R. Childs
AAPG Special Volumes
... acquisition. CDP denotes common-depth-point number along seismic line 21.FIGURE 2. A velocity-amplitude anomaly (VAMP) interpretation diagram, showing...
2009
S-wave velocity model building using PP-PS tomography with dynamic warping
Terence Krishnasamy, Ronaldo Florendo, Aravind Nangarla, Carsten Udengaard, Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity model for an existing deep-water ocean-bottom node (OBN) survey in the Gulf of Mexico. Introduction The water depth in the study area ranges...
2023
Application of full-waveform inversion to ultra-high-density OBN data at Clair field
Simon Luo, Xukai Shen, Philip Tillotson, Lindsey Smith, Dan Davies
International Meeting for Applied Geoscience and Energy (IMAGE)
... of (a,e) inline, (b,f) crossline, (c,g) depth slices, and (d,h) RTM images from the (top) legacy velocity and (bottom) updated FWI model...
2022
Shallow Velocity Model Building Considerations for Prestack Depth Migration in Unconventionals
Mike Perz, Josef Heim, Candace Bruins
Unconventional Resources Technology Conference (URTEC)
...Shallow Velocity Model Building Considerations for Prestack Depth Migration in Unconventionals Mike Perz, Josef Heim, Candace Bruins URTeC: 399...
2019
Seismic-attribute Analysis for Gas-hydrate and Free-gas Prospects on the North Slope of Alaska
M. W. Lee, T. S. Collett, T. L. Inks
AAPG Special Volumes
... of brine-gas-mixture on velocity in an unconsolidated sand reservoir: Geophysics, v. 41, p. 882894.Helgerud, M. B., 2001, Wave speeds in gas hydrate...
2009
The Global Offset Seismic Approach: Improving Seismic Imaging In Complex Geological Settings
Paolo Dell'Aversana
Petroleum Exploration Society of Australia (PESA)
... as a valid support for static corrections, velocity analysis and migration. Pre-stack depth migration (PSDM) The CMP gathers were used as an input for a PSDM...
2004
A Multidisciplinary Approach to Reservoir Subdivision of the Maastrichtian Chalk in the Dan Field, Danish North Sea
Lars Kristensen , Thomas Dons , Kim Gunn Maver , Poul Schioler
AAPG Bulletin
...-to-time conversions done for tying the biostratigraphy to the seismic data. The seismic traveltime within the chalk was estimated from interval velocity...
1995
Salt tectonics in the western Gulf of Cadiz, southwest Iberia
Hugo Matias, Pedro Kress, Pedro Terrinha, Webster Mohriak, Paulo T. L. Menezes, Luis Matias, Fernando Santos, Frode Sandnes
AAPG Bulletin
... isopach map of unit 1 was depth converted using a constant velocity of 4500 m/s, as shown in panels A and C of Figure 8. The synoptic map in Figure 8C...
2011