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The AAPG/Datapages Combined Publications Database
Showing 148 Results. Searched 195,596 documents.
Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad
Tony Johns
Search and Discovery.com
..., and correlates equivalent events on both P- and PSv-wave depth sections at the correct depth confirmed by well data. For this project, the velocity analysis...
Unknown
Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad
Tony Johns
Search and Discovery.com
..., and correlates equivalent events on both P- and PSv-wave depth sections at the correct depth confirmed by well data. For this project, the velocity analysis...
Unknown
Results of a Vibroseis Sourced 3D Seismic Survey, Phetchabun Basin, Thailand
David Remus, Rex Prosser
Southeast Asia Petroleum Exploration Society (SEAPEX)
... proved to be insufficient spatial sampling, the survey did identify five individual half graben. The graben vary in depth from 2500 meters...
1992
Strike Oriented, Swath Seismic and Its Potential Application to Exploration and Development in the Papuan Fold and Thrust Belt
William F. Robinson IV
Papua New Guinea (PNG) Petroleum Convention Proceedings
... velocity media. Seismic energy from the surface travels down and is reflected from the dipping bed. The seismic energy travels along an inclined raypath...
1996
3-D Design Philosophy – Part 2: Target Depth, by Bob Hardage, #40662 (2010)
Search and Discovery.com
2010
AVO Analysis of a Pennsylvanian Age Channel Sandstone in the Arkoma Basin, Oklahoma
Eric Kubera
Oklahoma City Geological Society
... channel sand, which produces natural gas from a depth of approximately 3600 feet. The gas wells producing in this area constitute the Ashland Field...
1997
Characterization of a Shallow Steamed Oil Reservoir Using Crosswell Seismology
Bjorn N. P. Paulsson, John W. Fairborn
Indonesian Petroleum Association
... velocity Miocene sediments is at a depth of about 1000 feet (Figure 8). It is clear that these crosswell data contain a great deal more information than...
1990
Subsurface seismic imaging using drill bit noise
Mehdi Asgharzadeh, Ashley Grant, Andrej Bona, Milovan Urosevic
Petroleum Exploration Society of Australia (PESA)
... events dipping in the opposite directions at either side of the well. In Figure 4 (b), ground rolls can be identified as linear events with velocity...
2019
Abstract: Automatic Time Picking and Velocity Determination on Full-Waveform Sonic Logs; #90171 (2013)
Lejia Han, Joe Wong, John C. Bancroft, and Robert R. Stewart
Search and Discovery.com
...Abstract: Automatic Time Picking and Velocity Determination on Full-Waveform Sonic Logs; #90171 (2013) Lejia Han, Joe Wong, John C. Bancroft...
2013
Seismic Imaging in Anisotropic Media. or... "A Better Way to Moveout and Migrate Long Offset Data"
Rolf Klotz, Martin Bayly, Sue Downie, Swee Leng
Indonesian Petroleum Association
... reflection angles are retained in processing for studies such as amplitude variation with offset (AVO) and depth conversion velocity analysis. Anisotropic...
2000
3-D Tomographic Amplitude Inversion for Compensating Transmission Losses in the Overburden
Barry Hung, Kefeng Xin, Sergey Birdus, James Sun
Indonesian Petroleum Association
...* ABSTRACT A tomographic inversion approach using prestack depth migrated common image gathers is utilized to compensate reflection data for amplitude...
2009
The Contribution of Simple Seismic Modeling for Reef Distribution Mapping
Soetomo J.A., Bambang Santoso
Indonesian Petroleum Association
... at a special depth point location. The resulting raypath to any reflector will travel down, refracting at each intermediate interface based on Snell's Law...
1985
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
... and (2) extending the depth coverage for velocity model calibration in a horizontal monitoring configuration. In both cases, using crosswell sources...
2016
II. Migration to Remedy Geometric Distortions
Robert E. Sheriff
AAPG Special Volumes
... been obtained on a line over Fig. 19. Model depth section to illustrate wave-equation migration. The velocity is constant in this model. (Courtesy...
1981
Improvement of Seismic Tomographic Imaging by Downward Continuation and Modified SIRT
Teuku A. Sanny, D. Santoso, D. Dahrin, Fatkhan, Alfian B.
Indonesian Petroleum Association
... drastically if we reconstruct the image by BPT as an initial model. Using prior knowledge of the velocity and depth, the Downward Continuation Principle...
1996
Incorporating refraction time-shifts into geophysical monitoring systems for monitoring shallow CO2 accumulations
Martyn Steel, Sjoerd A.L. De Ridder, Mike Branston, James Butt, Gabrielle Busanello
International Meeting for Applied Geoscience and Energy (IMAGE)
... that for a two-layer homogenous isotropic medium with increasing velocity with depth (Figure 1), that there is an observable refraction time-shift which can...
2023
Case Study - Advanced Seismic Acquisitions and Processing Results in Indonesia
Michele Buia, Bakhrudin Mansyur, Herastya Iman Priyonggo
Indonesian Petroleum Association
... of surveys were modelled using ray tracing on the Aster velocity-depth model. In particular, Eni Indonesia generated three single azimuth surveys...
2011
Southwest Palawan, Philippines: A Case Study in Seismic Imaging and Interpretation of Complex Structures
Philip M. Rimando, Geronimo A. Manuel, Raymundo A. Reyes, Jr.
Southeast Asia Petroleum Exploration Society (SEAPEX)
... of these problems are severe raypath bending, strong lateral velocity variations and steep dips of reflecting horizons. Severe raypath bending across...
1994
V. Contributions of GeoSeismic Modeling
Norman S. Neidell
AAPG Special Volumes
.../second). This high-velocity shale has some sand stringers below a depth of 2,000 meters. Well B, some 3100 meters away from Well A, has quite...
1979
The Geophysicists' Bane: Multiple Suppression on the North West Shelf
C. R. T. Ramsden, M. R. Hobson, R. Cooper
Petroleum Exploration Society of Australia (PESA)
... lines of equal slowness for all tau to produce each p trace in the transform. For example, a linear event in the space-time (x,t) domain with velocity...
1988
Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing
R. Malcolm Lansley
AAPG Special Volumes
... is spatially symmetric and therefore cannot correctly handle significant lateral velocity variations within the migration aperture. A depth-migration...
2011
SOUTH ELK BASIN FIELD—A CASE HISTORY
Eric A. Bikis, Tom D. Anderson
Montana Geological Society
... drape fold, respectively. Figures 9, 10, 11, 12 show each depth model with its corresponding raypath diagram and synthetic time section...
1986
Combined P and S Waves Survey for Hydrocarbon Exploration
Basuki Puspoputro
Indonesian Petroleum Association
... in unconsolidated oil sands, shear from stoneley: Geoph., v. 52, n.4, p. 502-513. King M.S., 1966, Wave velocity in rocks as a function of changes...
1990
Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data
A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah
Indonesian Petroleum Association
... heterogeneous and appropriate for ray tracing. The velocity is used as first approximation of velocity field for pre-stack depth migration and updates...
2009
Abstract: Imaging Scattered Seismic Energy in Alberta Oil Sands; #90187 (2014)
Andrew V. Barrett
Search and Discovery.com
... of the anisotropy and the curved raypaths of the depth-dependent velocity. Examples A prestack Kirchhoff time migration module which outputs a set...
2014