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The AAPG/Datapages Combined Publications Database
Showing 37,693 Results. Searched 200,756 documents.
DAS noise attenuation using wavelet stack
Zhou Yu, Zhaojun Liu, Ge Zhan, Peng Cheng, Bin Wang, Weihong Fei
International Meeting for Applied Geoscience and Energy (IMAGE)
... filtering is based on combination of 1D stationary wavelet transform, 2D complex wavelet transform (CWT) and normal moveout. It is non-stationary...
2022
Recent Advances in Borehole Seismic
W. L. Nutt
Indonesian Petroleum Association
..., bandpass filter and true amplitude recovery are applied. A normal moveout (NMO) correction is then applied using the velocity function derived from...
1984
Fault Criteria
Francis F. Campbell
GCAGS Transactions
... for normal moveout, so the stepout pattern follows the geometry of the reflection paths. Both the Navarro and Edwards reflections step down to the right...
1965
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
... source and receiver. VNMO is the normal moveout velocity. This velocity is dependent on two parameters, namely a slant of subsurface reflector and medium...
2009
Anisotropy parameters for fractured shales
Leon Thomsen, Colin Sayers
International Meeting for Applied Geoscience and Energy (IMAGE)
...) PA 1 + Z N C11 Z C PA V V 44PA 1 + ZV C44 H 13 PA 1 + ( (4c) PA 1 + Z H C66 Here the subscripts N, V, H refer to Normal...
2022
Pressure prediction using converted shear waves from OBN data: A rock physics approach
Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser, Terence Krishnasami
International Meeting for Applied Geoscience and Energy (IMAGE)
... of Eaton’s method (Eaton, 1975). The iterative method involves pre-stack depth migration (PSDM), automatic picking of residual moveout and examination...
2023
Azimuthal Velocity Analysis of 3-D Pre-Stack Seismic Data for Fracture-Induced Anisotropy in the Altamont-Bluebell Field
Khaled Al Dulaijan, Gary Margrave
Unconventional Resources Technology Conference (URTEC)
...physical modeling for azimuthal variations of P-wave velocity: CREWES Research Report. CGGVeritas, 2014, Hampson-Rusell Software Manual: R...
2016
Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data
Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin
Indonesian Petroleum Association
... Deconvolution Velocity Analysis NMO (Normal Moveout Corecction) NMO (Normal Moveout Corecction) Stacking Stacking Post‐Processing Post...
2017
Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad
Tony Johns
Search and Discovery.com
... from normal regional faults and major anticlinal ridge trends acting as pressure seals. The motivation from EOG for attempting this was because...
Unknown
Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad
Tony Johns
Search and Discovery.com
... from normal regional faults and major anticlinal ridge trends acting as pressure seals. The motivation from EOG for attempting this was because...
Unknown
Research and application of diffraction imaging based on the full-azimuth angle migration
Shengtao Zang, Xingrong Xu, Zhe Yang, Yanxiang Wang, Jiaqing Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
... for the seismic response characteristics and imaging methods in order to obtain accurate imaging of the fault-karst. Normal moveout corrections can...
2024
A Risk-Reduction Recipe Using Frequency-Based Pore Pressure Predictions from Seismic
Roger A. Young, Robert D. LoPiccolo
GCAGS Transactions
... of normal moveout velocities and the subsequent conversion to interval velocities are well-treated in a number of textbooks (e.g., Yilmaz, 1987). Because...
2005
Chapter Five: Reservoir Identification
Alistair R. Brown
AAPG Special Volumes
... gas sand is included in the interval studied. For many years RMS velocities derived from normal moveout have been used to compute interval velocities...
2011
G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset
Norman S. Neidell
AAPG Special Volumes
... of energy by angle of incidence, and (3) velocity filtering over a range of hyperbolic normal moveout velocities as part of the forward tau-p transform...
1987
Outcrop and Seismic Analysis of Natural Fractures, Faults and Structure at Teapot Dome, Wyoming
Scott P. Cooper, Bruce Hart, John C. Lorenz, Laurel B. Goodwin, Mark Milliken
Wyoming Geological Association
... of these fractures strike NW to WNW and abutting relationships indicate they predate folding. A second set of fractures consists of bed-normal extension...
2003
How to Improve the Definition of Seismic Reflection Data
D. Michon, R. Garotta
Indonesian Petroleum Association
... to the normal moveout. Fig. 2. Let us consider a one second two-way time reflection. For a few offsets the apparent horizontal velocity, as given by the slope...
1979
Seismic Interpretation Problems Caused by Miocene Channels in the Central Part of the Gippsland Basin
T U Maung, S J Cadman
Petroleum Exploration Society of Australia (PESA)
... contrast of these channels severely distorts the seismic time expression of structures, and produces changes in the normal moveout velocity...
1992
Velocity Analyses of Near Seafloor Strata Based on Multichannel Seismic Data from the Tonga Platform
Jeffrey E. Cole, Dennis M. Mann
Circum Pacific Council Publications
... the resultant corrected gathers exhibited good removal of normal moveout (Figure 7A), the calculated interval velocities where unreasonably low, ranging from...
1985
A seeded approach to deblending OBN data
Carsten Udengaard, Indranil Samanta, Richard Huang, Eric Camarda, Yi Xuan
International Meeting for Applied Geoscience and Energy (IMAGE)
... data is dealiased, using Linear Move Out (LMO) or stretch free normal moveout, to flatten the direct arrival followed by a tightly windowed amplitude...
2024
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
Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 5: Seismic Data Interpretation for Reservoir Boundaries, Parameters, and Characterization
William L. Abriel, Roger M. Wright
AAPG Special Volumes
... on the 1000’ 2-D grid. A bright spot was reviewed downdip of an abandoned competitor well that had apparently been faulted out. Normal 3-D mapping...
2011
Extended Abstract: High Resolution Surface-Sourced Seismic Experiment to Image Wilcox Group Horizons in Northern Central Louisiana
Gary L. Kinsland, Robert Stewart, Li Chang, Doug Temple, Mark King
GCAGS Transactions
...) filtered shot gather showing the many clear reflectors to 1.5 sec, (3) the shot gather corrected for normal moveout with velocities determined from...
2016
From the Bottom Up
R. F. Bennett
AAPG Bulletin
... for elevation, weathering, and normal moveout time, and the use of all traces of a seismogram increases the information available to the interpreter many...
1957
3.4 Detached Sediments: 3.4.1 Decollement Tectonics (A-Subduction): Melville--Northwest Territories, Canada Line No. 7 by Texaco Canada Resources Ltd.
Texaco Canada Resources Ltd.
AAPG Special Volumes
... sec 4) Gather 5) Datum Statics - Satum Sea Level 6) Correlation Statics 7) Velocity Analysis 8) Normal Moveout 9) Mute 10) Stack 11) Filter 0...
1983
Long-Offset Approximations to NMO Function for a Layered Subsurface
E. Blias
Search and Discovery.com
... in multilayered media: Applied Geophysics, 15, 314 (in Russian). Castle, R., J., 1994, A theory of normal moveout, Geophysics, 983-999. Malovichko, A., A., 1978...
Unknown