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The AAPG/Datapages Combined Publications Database
Showing 148 Results. Searched 195,504 documents.
ABSTRACT: Wide-Band Fresnel Zone Wavepath Tomography and its Application to Crosswell and Land Seismic Refraction Imaging, by Bagus E. B. Nurhandoko; #90913(2000).
Search and Discovery.com
2000
Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)
J. Patrick Butler and Randy Kolesar
Search and Discovery.com
...Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014) J. Patrick Butler and Randy Kolesar AAPG Search and Discovery Article #90187...
2014
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
... the relationship between velocity with time and space, the output from tomography plays a crucial role to align data between time and depth domain...
2022
Abstract: Wavepath Imaging for Passive Data; #91204 (2023)
Yicheng Zhou, Sherif Hanafy
Search and Discovery.com
... the apparent velocity values, hence finding the direction of raypath shooting. The seismic energy is then smeared only along that raypath and covers...
2023
Anisotropic depth migration in the Colombian Llanos Foothills as a key to understanding the structure in depth
emamedov
Search and Discovery.com
... with high dips and vertical and lateral velocity contrasts, giving a considerable lateral movement in the images in depth when we correct for seismic...
Unknown
Physical Basis of Reflection Seismology
Bruce S. Hart
Special Publications of SEPM
... consolidated and less porous and, as such, velocity tends to increase with depth . At the sa e ti e, the earth tends to filter out higher frequencies', and so...
2000
Inferring Bulk Reservoir Properties From Microseismcity
Search and Discovery.com
N/A
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
Abstracts: Determining Elastic Constants of an Orthorhombic Material by Physical Seismic Modeling; #90173 (2015)
Faranak Mahmoudian, Gary F. Margrave, P. F. Daley, and Joe Wong
Search and Discovery.com
... of Calgary. Theory The linear expression for P phase velocity in geophysics discipline comes from the work of Backus (1965) as: v 2 n cijkl ni...
2015
The Application of Image Processing Techniques for Complex Structures
V. Sudhakar, I. T. McMahon
Indonesian Petroleum Association
... dependence and raypath effects due to depth-dependent interval velocities. DMO corrects for the dip dependence of moveout and inherently applies a migration...
1987
I. Relation of Structural Section to Seismic Section
Robert E. Sheriff
AAPG Special Volumes
... generally increases and the frequency decreases. Assuming at depth a velocity of 5 m/sec (about 16,400 ft/sec), and a frequency of 20 hertz...
1981
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)
... of 3D prestack depth migration. This paper pursues this suggestion by applying a novel velocity analysis approach, and prestack depth migration...
1997
The Application of PSDM VTI Method to Generate a Velocity Model That Can Solve the Mistacking Problem
Aulia Ahmad Nafis, Hasan Nurudin, Ikhsan Hanurogo, Bagus Sapto M, Ahmad Zaenudin
Indonesian Petroleum Association
... gather and gamma synthetic as the controlling factors shows less error, after that the final velocity model is used for depth migration process to compare...
2018
Impact of Pre-Stack Depth Migration on the Anama Prospect, Papuan Foreland Basin
K. Bradey
Papua New Guinea (PNG) Petroleum Convention Proceedings
... throughout the Tertiary carbonates, hindering accurate determination of a suitable velocity field. Furthermore, stacking velocities are affected by raypath...
2000
East Coast Canada: So How Difficult Could a 3D PreSDM Be?
Ali Karagül
Search and Discovery.com
... totaling 1800 km2 were recently processed through 3D SRME (Surface Related Multiple Elimination) and PreSDM to address the raypath distortions...
Unknown
East Coast Canada: So How Difficult Could a 3D PreSDM Be?
Ali Karagül
Search and Discovery.com
... totaling 1800 km2 were recently processed through 3D SRME (Surface Related Multiple Elimination) and PreSDM to address the raypath distortions...
Unknown
3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Drape Fold, Central Wyoming
M. S. Yancey and D. B. McClellan
AAPG Special Volumes
... model. End_Page 3.2.2_9-------------------- Figure 8. Raypath plot of drape fold model. End_Page 3.2.2_10------------------- Figure 9. Depth...
1983
Anisotropic Depth Migration Applied in an Area of the Colombian Llanos Foothills as a Tool for Understanding the Structure in Depth
Isabel Cristina Florez, Rob Vestrum
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... reflectors. Constructing a velocity model for thrust-belt depth migration is a highly interpretive process that requires tight integration...
2006
Marine Statics
Chiem Boon Hong
Geological Society of Malaysia (GSM)
... and R6 at different elevations. In the absence of th~ weathering layers, i.e. by just measuring the travel time of the raypath below the datum plane, we...
1987
Structural Interpretation and Modeling of Seismic Data from the Moran and Paua Area, PNG Foldbelt
S. Lingrey
Papua New Guinea (PNG) Petroleum Convention Proceedings
... by the topography, local scattering of the wavefield near air-filled caverns and deep fissures, an irregularly developed low velocity zone...
2000
Abstracts: Locating Microseismicity in Three-Dimensionally Heterogeneous Reservoirs; #90173 (2015)
Adam M. Baig, Ted Urbancic, Margaret Seibel, Vladimir Shumila
Search and Discovery.com
..., Kingston, ON, Canada Summary This study describes the methodology for locating microseismic events in three dimensional media. Most velocity models...
2015
Pre-Stack Imaging: Time or Depth? (Paper 25)
Carl Notfors, Peter Whiting, Geoff Mansfield
Geological Society of Malaysia (GSM)
... they handle lateral velocity variations. The depth algorithm comprehends any lateral velocity variation whereas the time algorithm assumes local...
2000
High - Quality, Efficient Broadband Acquisition & Processing-An Integrated Approach
Richard Patenall, Dominic Fell, Timothy Brice, Saeeda Hydal
Indonesian Petroleum Association
... depth imaging approach. Key to the success of this was the ability to seamlessly integrate the data from the turn areas into the velocity model...
2014
An Analysis of the Observed Time Discrepancies Between Continuous and Conventional Well Velocity Surveys
P. E. F. Gretener
CSPG Bulletin
... by definition shall include both sources of error. In Figure 9 the average depth curve has been corrected for depths less than 4,000 feet assuming a velocity...
1960
VSP – The Link Between Geology and Geophysics, by Ronald C. Hinds and Richard Kuzmiski, #40552 (2002).
Search and Discovery.com
2002