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The AAPG/Datapages Combined Publications Database
Showing 63,003 Results. Searched 195,372 documents.
Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf: Discussion
Peter Japsen
AAPG Bulletin
..., and second, because the article presents very good evidence for the existence of normal velocity-depth trends for shale (i.e., functions that describe...
2006
Three-Dimensional Control
G. E. Anderson
Oklahoma City Geological Society
.... The problem is to find by proper calculations the depth of Point P, the horizontal distance and direction of Point N from the cable layout...
1958
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
The impact of estimated temporal and spatial variability of water layer velocity on the correction of OBS data
Peter Scholtz, Truong Nguyen, Arash Jafar Gandomi
International Meeting for Applied Geoscience and Energy (IMAGE)
... side, time and depth-dependent velocity functions are taken into account along with clockdrift corrections. As evident, most of the stripes have been...
2023
Abstracts: Synthetic Microseismic Files; #90173 (2015)
J. Wong, P. M. Manning, L. Han, and J. B. Bancroft
Search and Discovery.com
...) rays through horizontal velocity layers with anisotropy. Microseismograms are then synthesized by convolving the source wavelet with delta functions...
2015
ABSTRACT: First Arrival Tomography Using Depth-Varying Velocity Gradients; #90113 (2010)
Hui Liu and Hua-Wei Zhou
Search and Discovery.com
...ABSTRACT: First Arrival Tomography Using Depth-Varying Velocity Gradients; #90113 (2010) Hui Liu and Hua-Wei Zhou First Arrival Tomography Using...
2009
An Interpreter's Guide to Improvements in Depth Imaging Through Model-Based Velocity Estimation and Refinement
Andy Furniss
Indonesian Petroleum Association
.... There are several approaches that can be taken to improve our predictions in the depth domain, from simply improving our initial velocity models using...
2000
Computer Program to Determine Casing Setting Depth from Seismic Interval Velocity
Faried Rudiono
Indonesian Petroleum Association
...Computer Program to Determine Casing Setting Depth from Seismic Interval Velocity Faried Rudiono 1990 383 395 1. Mc Lure, Leo J.: "Drill Abnormal...
1990
Aspects to the Resolving Power of 3D Seismic Surveys
Wolfgang Houba
Geological Society of Malaysia (GSM)
... to velocity v and frequency ~AX and the maximum structural dip. For usual parameters, we estimate that roughly half of the corresponding 20 coverage...
1985
Time Depth Conversion of a Prospect With Near-Surface Velocity Anomalies Using Stacking Velocites and PSDM Velocities: A Comparison
Tan Boon Hua, Lothar Schulte
Indonesian Petroleum Association
...Time Depth Conversion of a Prospect With Near-Surface Velocity Anomalies Using Stacking Velocites and PSDM Velocities: A Comparison Tan Boon Hua...
2011
Abstract: A Case History of Velocity Problems in the Shadow of a Large Growth Fault in the Frio Formation, Texas Gulf Coast
James L. Allen and J. M. Bruso, Jr.
Houston Geological Society Bulletin
... that over 200 ms of apparent seismic dip in the shadow of the growth fault was false. When we used stacking velocities to perform a depth conversion...
1989
Integrated Interpretation of 3-D Seismic Data
Search and Discovery.com
N/A
Abstract: Evaluation of Seismic Attributes for Petroleum System Mapping, 3-D Seismic Study, Cow Creek Field, Wyoming
Yuriy Ganshin, Ronald C. Surdam
Wyoming Geological Association
... calculations. A reliable time-depth transformation function was obtained based on these correlations. As a result, geological horizons were identified...
2010
Petroleum Geologist and Exploration Geophysicist: Co-Ordination and Seismic Velocity
John D. Hale
CSPG Bulletin
... various depth levels that are represented by an appreciable contrasting change in the velocity of the elastic waves between two layers of rock...
1956
Geological Factors Influencing Porosity Estimates From Velocity Logs
Roberto Sarmiento
AAPG Bulletin
...------------------------------ analysis and in some instances from microlog calculations. The velocity logs included one- and two-receiver CVLs, Empire acoustic logs, and sonic...
1961
The Wave Equation Applied to Migration
D. Loewenthal, L. Lu, R. Roberson, J. Sherwood
Southeast Asia Petroleum Exploration Society (SEAPEX)
... error estimates at dip = 10 ms/trace using Δt = 8 ms and Δτ = 200 ms. (a) velocity error (%), (b) angular error (degrees). In Figure 6b we show...
1978
Geomechanical Approach to Resolve Severe Velocity Variations and Remove Image Distortions below Rugose Seafloor (Paper A16)
S. Birdus, A. Artyomov, L. Li, S. Xin
Geological Society of Malaysia (GSM)
... Seismic imaging and depth-velocity modelling below a seafloor with complex topography are always challenging. The problems are caused by two types...
2012
The Barque Structure Offshore New Zealand: Improving the Seismic Image Using Prestack Depth Migration; #41516 (2015)
Jim Montalbetti, Jeff Beckett, Graham Hodgkiss
Search and Discovery.com
... surface interval velocity field in areas of the variable seafloor depth. 3. Perform prestack depth migration using this initial geomechanical update...
2015
Integrated Full Waveform Inversion and Dip Constrained Tomography for Complex Carbonate Imaging - Case Study from Indonesia
Yonghe Guo, Jun Wang, Pongga Wardaya, Riaz Alai, M Afiq B Mokhtar, Rizki Krishna Pratama, Haryono Haryanto
Indonesian Petroleum Association
... Figure 5 shows the legacy PSTM stack is converted to depth domain using the PSTM velocity for comparison purposes. Figure 6 is the reprocessed PSDM stack...
2018
Optimised 3D Land Geophysical Survey Design - A Case Study
P. van Baaren
Papua New Guinea (PNG) Petroleum Convention Proceedings
... a linear v(z) velocity function in calculations (Liner and Underwood, 1999), and using the migration process itself in which point diffractors...
2000
Abstract: Seismic velocity modeling of the Southern California Coastal Basins:Methods and Applications, by M. Peter Suess, Carlos Rivero, John H. Shaw, and Jeroen Tromp; #90066 (2007)
Search and Discovery.com
2007
The Global Offset Seismic Approach: Improving Seismic Imaging In Complex Geological Settings
Paolo Dell'Aversana
Petroleum Exploration Society of Australia (PESA)
... surveys perfo rmed for research and developments pu rposes. Several dip and strike lines were acqui red using the Global Offset layout. One...
2004
A Comprehensive Approach to Depth Imaging in Thrust Belt Environments
Ron Schmid, Brian Link, Patrick Butler
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... raytrace NMO iterations. 2) Final velocity refinement using a suite of profiles, imaged with incremented velocity functions which bracket the initial...
1997
The Application of Velocities and Models to Seismic Interpretation
G. Jarrota
Indonesian Petroleum Association
..., interval velocities can be discerned, and time contours can be transformed directly into depth contours by using collections of velocity spectra. When...
1977