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The AAPG/Datapages Combined Publications Database
Showing 63,003 Results. Searched 195,372 documents.
Three-Dimensional Depth Imaging of Seismic Data to Assess Subsurface Geology in Northern Utah and Southwestern Wyoming
Alvin K. Benson
Utah Geological Association
... of the data using stacking velocities, followed by conversion to depth, was attempted, but after numerous tries with a variety of stacking-velocity functions...
1999
Abstract: Pitfalls in Velocity Analysis Using Common-Offset Time Migration, by Y. C. Kim and J. R. Krebs; #90981 (1994).
Search and Discovery.com
1994
Refraction Profiles Over the Southern Rocky Mountain Trench Area of British Columbia
A. T. Lamb, D. W. Smith
CSPG Bulletin
... the depth to the first high velocity layer and to attempt to identify this layer by velocity measurements. Three inline refraction lines were shot along...
1962
The Suitable Method in Generating True Depth Structure Maps to Eliminate Wonocolo Push-Down Effect on Seismic Data and Its Impact on Prospect Evaluation, North Madura Platform, East Java Basin
Haryono Haryanto, Rizki Krishna Pratama, Riaz Alai, M. Afiq B. Mokhtar, Pongga Wardaya, Yonghe Guo, Jun Wang
Indonesian Petroleum Association
... with the interpretation result of the legacy seismic in time domain which shows a four way dip closure (Figure 8). The time to depth conversion was performed using...
2018
Structural and Tectonic Evolution of Oceanic Crust within the Jurassic Quiet Zone, Offshore Morocco: Chapter 14: African and Mediterranean Margins
James S. Holik, Philip D. Rabinowitz
AAPG Special Volumes
.... With CDP data, the effect of dip is minimized. The depth of resolution is less using CDP velocity analysis relative to sonobuoy analysis since...
1992
Pore Presure Prediction Based On 3D Seismic Velocity Data—A Case Study
Search and Discovery.com
N/A
Know Before You Go!
Lars Zühlsdorff, Trond Haugland
GEO ExPro Magazine
... suitable for migration tests. Using different background models for Kirchhoff target migration, i.e., different velocity fields, the effect...
2021
Abstract: Tomography of a Velocity Modeland Location of Microseismic Events with P, Sv and Sh Waves; #90224 (2015)
Malgorzata Chmiel and Thomas Bardainne
Search and Discovery.com
...-location using P- and S-waves and anisotropic velocity model. The constraint in horizontal and vertical position is the strongest. Depth of the event...
2015
Abstract: Geophysical Studies of the Deep Lithosphere Beneath Hudson Bay and Environs: Implications for Paleoproterozoic Assembly of Laurentia; #90172 (2014)
David W. Eaton, Meghan S. Miller, Fiona Darbyshire
Search and Discovery.com
... to about 300 km depth. Monte-Carlo modelling is used to estimate 1D shear wave velocity profiles for each of the dispersion curves. In general, the models...
2014
A New Approach to Time Depth Conversion and Depth Error Estimation for 2D Interpretation Using Seismic Velocities
Rosidah Hardiani, Sanisah Soed, Lothar Schulte
Indonesian Petroleum Association
... is more accurate than depth converting the interpolated time horizons. In addition the lower horizon was depth converted using the average velocity...
2013
A Simple Guide to Depth Conversion: Part II
Ashley Francis
GEO ExPro Magazine
.... The residuals are the difference between the depth predicted by the velocity model using the seismic time at the well marker and the actual depth...
2018
Applications of Pre-Stack Migration; Richard Postma; Search and Discovery Article #40029 (2001)
Search and Discovery.com
2001
The Application of a Linear Increase of Velocity with Depth to Seismic Dip Migration
J. E. Stones
Oklahoma City Geological Society
...The Application of a Linear Increase of Velocity with Depth to Seismic Dip Migration J. E. Stones 1958 304 304 The purpose of this paper is two-fold...
1958
Serang Field – Discovery Within a Seismic "Fault Shadow"
Tom Clark, Mike Turk, Joewono Hadiwijoto, Yoseph Partono
Indonesian Petroleum Association
... effect results in an artificial time dip closure. Figure 4. Fault Shadow Velocity Model - Lateral Carbonate Distribution across fault Depth Conversion...
2000
Seismic Imaging and Interpretive Model Building in the Colombian Andes
Rob Vestrum
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
.... Depth migration in thrust-belt environments like the Colombian Andes requires an interpretive approach to building a depth-migration velocity model...
2006
Abstract: Depth Conversion Methodology using a Stochastic Velocity Model for the McMurray Formation; #90171 (2013)
Darren Hinks, Tom Cox, Stephanie Schmidt, Dale Vanhooren, and Sergei Filin
Search and Discovery.com
... positions are received. Traditionally depth conversion using the TDR data set will extract interval or average velocity functions from the TDR and use...
2013
Effects of near Surface Lithology on Velocity Modelling and TimeDepth Relationships in the CooperEromangaLake Eyre Basin
Anna Manka, Glen Buick, Rob Menpes, Luke Gardiner, Cameron Jones, Khalid Amrouch
Australian Petroleum Production & Exploration Association (APPEA) Journal
... Thickness (m) P50 Velocity (m/s) 500 m TWT (P50 thickness) (ms) 80% CI Depth P90 P50 P10 Using P90 Velocity Using P10 Velocity 80% CI ± Error 2.74...
2018
Limitations of Reflection Seismograph
L. E. Nugent, Jr.
AAPG Bulletin
... the reflection interfaces, a depth-displacement method, which is calculated by the formula previously mentioned, but using interval velocity, is best...
1953
Abstract: Using Computer for Time-to-Depth Conversion and Structure Mapping in Complexly Faulted Areas, by D. Szumilas; #90968 (1977).
Search and Discovery.com
1977
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
Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data
Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto
Indonesian Petroleum Association
.... At this stage the module used is VELMOD which functions to obtain a velocity interval model for migration in the domain depth. In subsurface modelling...
2019
Sonic velocity, submarine canyons, and burial diagenesis in Oligocene-Holocene cool-water carbonates, Gippsland Basin, southeast Australia
Malcolm W. Wallace, Guy R. Holdgate, Jim Daniels, Stephen J. Gallagher, Andrew Smith
AAPG Bulletin
... surface for this region. Figure 11. The seismic line in Figure 10, converted to depth using the velocity model of Figure 10C. Dashed line at base...
2002
Modified Residual Migration
Craig J. Beasley, Rolf Klotz
Southeast Asia Petroleum Exploration Society (SEAPEX)
...: Removing the restrictions on depth-varying velocity: Geophysics, 53, 881–893. Black, J., and Brzostowski, M., 1990, High-dip time migration: 60th Ann...
1992
A Time Migration Before Stack
Richard Cooper, Malcolm Hobson
Geological Society of Malaysia (GSM)
... a more accurate velocity field for migration and depth conversion. The robust nature of the method allows its application to routine data processing...
1991
Critical Analysis of Stack Seismic Systems: DISCUSSION
Richard H. Hopkins
AAPG Bulletin
... "stacks" or not. Calculations for the stretch of the CDP for a reflector at 5,000 ft with a dip of 10° show it to be about 200 ft on the subsurface...
1967