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The AAPG/Datapages Combined Publications Database
Showing 45,593 Results. Searched 200,357 documents.
Revealing the discontinuities by 3D prestack diffraction separation and imaging
Chuangjian Li, Suping Peng, Xiaoqin Cui, Peng Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... the local slope throng the normal moveout velocity and ray parameter, which can enhance the stability and accuracy of local slopes. In this way...
2022
Abstract: 3D Coil Shooting Survey on Tulip Field: Data Processing Overview Planning, Challenges and Opportunities (Geophysics Poster 18)
Michelle Tham, Michele Buia, Riccardo Vercesi, Swee Leng Ng, Andreas Tyasbudi Waluyo, Suyang Chen
Geological Society of Malaysia (GSM)
... proportional to the curvature radius of the circles being acquired and proportionally related to any apparent crossflow of currents. The second aspect...
2011
Anisotropy parameters for fractured shales
Leon Thomsen, Colin Sayers
International Meeting for Applied Geoscience and Energy (IMAGE)
...), and Tsvankin (1997) noticed that, along the two principal vertical planes, they simplify without approximation to the expressions for polar anisotropic media...
2022
Getting it Right the First Time in the Ceduna Sub-Basin: Regional and Target Depth Imaging in a Frontier Setting
Weidi Koh
Australian Petroleum Production & Exploration Association (APPEA) Journal
... and execution optimised efficiency, enabling a large survey to be acquired in less than one season. Second, the paper shows how a customised imaging and highly...
2017
Problem of Secondary Tilt--Harker's Solution Corrected
Edmund M. Spieker
AAPG Bulletin
... of the resulting dip when any initially inclined plane is rotated anew in a direction different from the first, or the reverse--is likely to give the non...
1938
Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing
R. Malcolm Lansley
AAPG Special Volumes
... particular algorithm to correctly retain true amplitude of the signal should be verified before its use. Dip moveout (DMO) is used to compensate...
2011
Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays
Michael J. Perz, William Keller, Victor Kriechbaum
Unconventional Resources Technology Conference (URTEC)
... sensitivity of maximum angle to the quality of the azimuthal RMS inversion, one likely explanation is that our elliptical moveout approximation is failing...
2018
The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data
Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny
Indonesian Petroleum Association
..., only in the vicinity of the selected point, an approximate hyperbolic moveout. The application of the CO CRS stack to the synthetic dataset is shown...
2009
Advanced Reprocessing and Imaging: Enhancing Legacy Surveys
Dominic Fell, Shane Westlake, Richard Patenall, Jennifer Badry
Petroleum Exploration Society of Australia (PESA)
... for migration. These data were subsequently input to the second phase of the reprocessing which focused on deriving a detailed and accurate earth model...
2016
Calculation of Stratigraphic Thickness in Parallel Folds: GEOLOGICAL NOTES
John B. Mertie, Jr.
AAPG Bulletin
... an approximation to the true thickness. First, it is two-dimensional instead of three-dimensional; and second, it assumes in those two dimensions a circular...
1944
Seismic Characterization of the Fiordland Gas-hydrate Province, New Zealand
Miko Fohrmann, Andrew R. Gorman, Ingo A. Pecher
AAPG Special Volumes
...), compensation for spherical divergence, Wiener deconvolution, a dip-moveout (DMO) correction, NMO corrections, inner trace mute for shallow areas...
2009
Application of Advanced Depth Imaging Technology in Shallow Water Offshore Indonesia
Michael Gidding, Suyang Chen, Steven Wiseman, Moch Asrori, Richard Bolton
Indonesian Petroleum Association
... accuracy is also improved when a 3D dip field is included in the inversion process. After each tomography loop a new dip field is calculated. Successive...
2012
Non-First-Break Solution for Shallow Velocity Anomaly Problem; #41602 (2015)
Emil Blias
Search and Discovery.com
... to the connection between the second-order derivatives of the two forms: For the model with a horizontal shallow layer with slowness, s(x) formula (1) becomes...
2015
Numerical modeling of PP and PS reflections in DAS VSP
Joseph J. Cherayil, James L. Simmons
International Meeting for Applied Geoscience and Energy (IMAGE)
... simulated using finite-difference numerical modeling to study the effect of dip on PP and PS reflection amplitudes. The PP reflections were stronger...
2024
Growth Fault-Bend Folding at Southeast Lost Hills, San Joaquin Valley, California
Donald A. Medwedeff
AAPG Bulletin
... indicate the fold is composed of large panels of constant dip separated by small regions of high curvature (Figure 3). Approximation of Lost Hills...
1989
5D Interpolation Adds Value at the Drill Bit for a Texas 3D Seismic Survey
K. Rene‘ Mott, William Keller, Mike Perz
GCAGS Transactions
... for imaging shallow targets. Original Processing Workflow Geometry, Trace scaling, Surface consistent deconvolution, Statics, Dip moveout...
2016
Seismic Imaging of Sturctural, Stratigraphic and Diagenetic Plays - Workshop Summary
Bruce Hart
PTTC
... and the source on the arrival time of reflections and dip moveout (DMO), which corrects the difference in the arrival times or travel times of reflected waves...
2003
An Interpreter's Guide to Improvements in Depth Imaging through Model-Based Velocity Estimation and Refinement
Andy Furniss
Petroleum Exploration Society of Australia (PESA)
... to Snell's Law, and structural dip within the model are all accounted for by ray tracing and we are therefore no longer limited by the hyperbolic moveout...
1999
Integration of Vertical Seismic, Surface Seismic, and Well-log Data at the Mallik 2L-38 Gas-hydrate Research Well, Mackenzie Delta, Canada
M. W. Lee, T. S. Collett, W. F. Agena
AAPG Special Volumes
... number and frequency (FK) filtering, (7) normal-moveout correction and common-midpoint (CMP) stacking, (8) poststack second zero-crossing deconvolution...
2009
Integrated Workflow for Fracture Characterization ; From Well Bore Analysis, Post-Stack Geometrical Attributes and Pre-Stack Azimuthal Inversion; Case Study for Fractured Volcanic Reservoir Analysis in Jatibarang Field, North West Java Basin
Aji Rahmat Ginanjar, Andreas Wasi Kuncoro, Muhammad Taslim, Tri Sunarno Irianto, Arrie Kurniawan, Oddy Pranidhana
Indonesian Petroleum Association
... fracture density is located in the Eastern and Western areas and correlates well with producing wells. Coherence and Dip azimuth volumes indicate...
2017
Seismic Modeling of a Strongly Emergent Thrust Front, West Spitsbergen Fold Belt, Svalbard
Stale E. Johansen , Sivert Kibsgaard , Arild Andresen , Tormod Henningsen , John R. Granli
AAPG Bulletin
... in kilometers/second. For location of profile, see Figure 1. End_Page 1020------------------------------ 1). Additional fault-propagation folds...
1994
Attenuation of Marine Coherent Noise – A Processing Case History in the East China Sea
Huaien Wang, Liu Guangxin, Curtis E. Hinz, Fred F. C. Snyder
Southeast Asia Petroleum Exploration Society (SEAPEX)
.../s. For a source located off the end of the cable, the noise appears as a series of coherent linear events with the dip inversely proportional to the seismic...
1990
Automated fault surfaces extraction from 3D fault imaging volume
Nam Nguyen, Alejandro Jaramillo
International Meeting for Applied Geoscience and Energy (IMAGE)
... of adjacent fault samples with similar attributes such as dip values and azimuth values. Second International Meeting for Applied Geoscience & Energy...
2022
NMO Application in VTI Media: Effective and Intrinsic Eta (Geophysics Paper 6)
Joel Starr, Maz Farouki
Geological Society of Malaysia (GSM)
... higher order NMO which reduces the error in the approximation to the ray traced solution for longer offsets. There are two characteristics which...
2008
AVA attribute estimation from misaligned seismic gathers using U-Net
Ammar Ghanim, Ricard Durall, Norman Ettrich
International Meeting for Applied Geoscience and Energy (IMAGE)
... are mainly caused by inaccuracies in the velocity model used during migration. Aligning these reflections in seismic normal moveout (NMO) corrected...
2024