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Showing 37,658 Results. Searched 200,357 documents.
Abstract: AVO Compliant Spectral Balancing; #90171 (2013)
Nirupama Nagarajappa and Jon Downton
Search and Discovery.com
... of normal moveout on a seismic pulse: Geophysics, 38, 635-642. Lin, T. L., and R. Phair, 1993, AVO tuning: 63rd Annual International Meeting, SEG Expanded...
2013
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)
... is to provide a feasible and effective separation method in the 3D shot domain. At first, we parameterize the local slope through the normal moveout (NMO...
2022
Value of conventional PS-wave velocity analyses for PSDM of deep-water OBS data
James Gaiser, James Simmons, Moacyr de Souza Bezerra
International Meeting for Applied Geoscience and Energy (IMAGE)
... provides a valuable initial S-wave model of the shallow overburden for PS-wave PSDM. used to establish a depth velocity model to perform normal moveout...
2022
Hybridised Weighted Boot-Strap Differential Semblance
Hamish Wilson, Lutz Gross
Petroleum Exploration Society of Australia (PESA)
... of this final model is velocity analysis. Conventional normal moveout (NMO) velocity analysis is utilised to produce a move-out or stacking velocity field...
2016
Basic Seismic Processing: Part 7. Geophysical Methods
Peter M. Duncan
AAPG Special Volumes
... m on either end. The offset related curvature of the reflections is due to normal moveout. (b) Normal moveout correction (NMO) has been applied...
1992
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
... also acknowledge Mark Ng for his help in Radon processing. References Grachka, V. and Tsvankin, I., 1998, 3-D description of normal moveout...
Unknown
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
... also acknowledge Mark Ng for his help in Radon processing. References Grachka, V. and Tsvankin, I., 1998, 3-D description of normal moveout...
Unknown
A depth uncertainty estimation method using interval-domain anisotropic VTI velocity and travel time detectability criterion
Andrey H. Shabelansky, Cory J. Hoelting, Min Yang, Sizhuang Deng, Jinsong Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... transverse isotropy (VTI) medium that is based on normal moveout (NMO) travel-time calculations and a detectability criterion. We provide the mathematical...
2024
Abstract: New Seismic Technology in Acquisition & Processing Re-Opens Areas for Pre-Tertiary Exploration in Eastern Indonesia
Andrew Cochran
Southeast Asia Petroleum Exploration Society (SEAPEX)
... normal moveout (NMO) and subsequently muted before stacking. The ability to use a full Kirchhoff algorithm in pre-stack time migration (PrSTM), or UTMOST...
2001
Abstract: Seismic Data Gather Conditioning for Prestack Seismic Data Inversion; #90319 (2018)
Gang Yu, Yusheng Zhang, Ximing Wang, Xing Liang, Benjing Liu, Scott Singleton, Maggie Smith
Search and Discovery.com
... signal/noise ratio, removing NMO stretch and aligning reflection events. Velocities from residual moveout (RMO) analysis on individual sectors were used...
2018
Towards flexible demultiple with deep learning
Mario Fernandez, Norman Ettrich, Matthias Delescluse, Alain Rabaute, Janis Keuper
International Meeting for Applied Geoscience and Energy (IMAGE)
... as multiples or primaries is often subjective. Moreover, multiple discrimination in Common Depth Point (CDP) domain relies on the accurate Normal Moveout...
2024
ABSTRACT: Crooked CDP Lines and Structure; Whose Fault Is It?; #90019 (2003)
Edward R. Tegland
Search and Discovery.com
... Moveout (NMO) and other time correctional processes. We will demonstrate the behavior of the data relative to the choice of traverse line orientation using...
2003
2-D Seismic Reflection Imaging of the Bennett Thrust Fault in the Indio Mountains of West Texas; #30519 (2017)
Alan Vennemann, Marianne Karplus, Galen Kaip, Steve Harder
Search and Discovery.com
... Analysis 4. Velocity Analysis 5. Normal Moveout Corrections (NMO) 6. Create Database Files 7. Dip Moveout Corrections (DMO) 8. PostStack Signal...
2017
Abstract: Structurally-Consistent Interval Velocity Variation with Azimuth; #90187 (2014)
Darren Schmidt, Alicia Veronesi, Chris Davison, and Jeff Durand
Search and Discovery.com
... Dix equation and analytic treatment of normal moveout velocity for anisotropic media: Geophysical Prospecting, 47, 117-148. Tsvankin, I., 1997...
2014
Abstract: AVAZ and VVAZ Practical Analysis to Estimate Anisotropic Properties; #90224 (2015)
Yexin Liu
Search and Discovery.com
... media, the offset normal moveout can be expressed without consideration of azimuthal variations: Ξπ‘ 2 π = 2π ππππππ‘ππ£π π 4 π2 πππ 2...
2015
All that wobbles isnΒt necessarily azimuthal anisotropy
Helen Debenham, Jennifer Badry, Mohamed Megebry
Petroleum Exploration Society of Australia (PESA)
... rotates, the isotropic normal moveout (NMO) correction is either overcorrecting or under-correcting the data, resulting in wobbles. This suggests...
2019
Abstract: A Comparison of Standard Migration with EOM for Hussar Data; #90174 (2014)
Thais A. Guirigay, John C. Bancroft, and J. Helen Isaac
Search and Discovery.com
... is the application of a simplified Kirchhoff migration on the CSP, that consists of scaling, filtering, normal moveout (NMO) and stacking. CSP gathers...
2014
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
AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction
David W. Bell
AAPG Special Volumes
... with offset. The most common sorts the data into a common midpoint (CMP) gather and determines the best-fit normal moveout velocity, V nmo...
2001
A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods
Kriyanti Setiyono, Ken H. Matson
Indonesian Petroleum Association
... a normal moveout is applied to the CMP gathers with a velocity that flattens primary events and undercorrects the multiples. The NMO-corrected gather...
2000
Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations
Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau
Geological Society of Malaysia (GSM)
... 82/V 2 (3) The first term on the RHS of (equation 3) is associated with normal moveout (NMO) and the second term with dip moveout (DMO) since...
1996
Seismic Attenuation Analysis for Reservoir Description
Search and Discovery.com
... noise. This is the same as AVO super gather. The CMP gather used for Q estimation needs to be without NMO stretch, so that if normal moveout...
2013
A stochastic modeling method of seismic velocity and anisotropy parameters in VTI medium using travel time detectability criterion
Andrey H. Shabelansky, Huafeng Liu, Cory J. Hoelting, Min Yang, Jinsong Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... in vertical transverse isotropy (VTI) medium that are based on normal moveout (NMO) traveltime calculations and detectability criterion. We provide...
2022
Understanding Azimuthal P-Wave Anisotropy through Multiple Vendor and Attribute Comparisons
Jamie Rich, Breanne Kennedy, Marianne Rauch-Davies
Unconventional Resources Technology Conference (URTEC)
... amplitude variations as a function of angle. The easiest to observe are the effects contained in the βetaβ term for normal moveout due to anisotropy...
2016
Advanced Approach Toward Understanding Geologically Complex Area Using MDRS (Multi-Dip CRS): A Case Study
Naoshi Aoki, Shogo Narahara, Akihisa Takahashi, Tsukasa Nishiki
Indonesian Petroleum Association
... normal moveout (NMO) or dip moveout (DMO). We, however, commonly observe conflicting dipping events on zero-offset section. A conventional CRS stack...
2011