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Showing 29,081 Results. Searched 195,364 documents.
Abstract: White Noise Suppression in the Time Domain Part II; #90174 (2014)
Patrick Butler
Search and Discovery.com
... when the signal to noise ratio approaches 30 dB. It can be used for velocity analysis, section cleanup and enhancement and spectral whitening...
2014
Aspects to the Resolving Power of 3D Seismic Surveys
Wolfgang Houba
Geological Society of Malaysia (GSM)
..., the application of azimuth-dependent dynamic corrections is not a real problem. Azimuthal velocity analysis The problem siqlply is reduced to finding...
1985
Sand Dune Development within the Simpson Desert and its Effect on Statics Calculation
P. G. Senycia
Petroleum Exploration Society of Australia (PESA)
... weathering statics analysis. A decision was made to investigate the problem and to devise a more accurate method for weathering statics calculation...
1989
Three-Dimensional Seismic-Reflection Techniques
Hermann Buchholtz
Circum Pacific Council Publications
... estimation procedures, a proper derivation of the 3-D velocity model, 3-D residual statics (to be applied in land seismic); (2) pre-migration processing...
1989
A Time Migration Before Stack
Richard Cooper, Malcolm Hobson
Geological Society of Malaysia (GSM)
... in the presence of lateral and vertical velocity gradients, symptomatic in areas of complex geology. A velocity analysis is inherent in the process producing...
1991
Spikes in Your Acquisition? How to Minimize their Impact through Field and Processing Techniques.
Paula A.C. Barbosa, Jose A. Jaramillo, Jose H. Olaya
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... statics calculations. Figure 1. (a) Raw shot gather. (b) Shot gather after spiking deconvolution. (c) Zoom of (b). INTRODUCTION FIELD TECHNIQUES APPLIED...
2006
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
... variation of differential residual moveout. Specifically, we calculate the time-variant trim statics at the top and the bottom of the target...
Unknown
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
... variation of differential residual moveout. Specifically, we calculate the time-variant trim statics at the top and the bottom of the target...
Unknown
Advances in Seismic Acquisition in the Sabana de Bogotá, Colombia
Jair Rodrigues de Salles Scares Filho, Mario Geraldo de Freitas
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... routine of examining previous data and performing extensive parameter testing was applied to the processing. Refraction statics, careful velocity...
1997
Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)
Lynn Burroughs and Stewart Trickett
Search and Discovery.com
... it are to: - Reveal signal in noisy areas. Improve AVO and azimuthal analysis. Improve multiple attenuation, velocity analysis, and statics correction...
2013
Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)
Lynn Burroughs and Stewart Trickett
Search and Discovery.com
... it are to: - Reveal signal in noisy areas. Improve AVO and azimuthal analysis. Improve multiple attenuation, velocity analysis, and statics correction...
2013
Refraction tomography at the Nova Ni-Cu mine
Ian James, Graeme Hird, Andrew Fitzpatrick
Petroleum Exploration Society of Australia (PESA)
..., 60,000 lb vibrators as an energy source sweeping from 8 - 120 Hz. As part of the seismic reflection processing, refraction statics corrections...
2019
Modelling complex near-surface features to improve shallow seismic exploration.
Shaun Strong
Petroleum Exploration Society of Australia (PESA)
... by applying statics corrections during seismic processing. Shallow coal exploration requires high-resolution data to image structures and faulting...
2018
Predicting Frac Performance and Active Producing Volumes Using Microseismic Data
Charles J. Sicking, Jan Vermilye, Alfred Lacazette
Unconventional Resources Technology Conference (URTEC)
... and the surface wave noise from the highway is suppressed and not passed into the image. Velocity model and statics The velocity model must be accurate...
2015
Anisotropic Pre-Stack Depth Migration in the Cusiana and Cupiagua Sur Fields
J. Checa, M. Mesa, N. Burke, J. Calderon, H. Alfonso, U. Egozi, B. Ver West, M. Yates
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... statics. Residual static corrections. Super CMP FX deconvolution. Trace regularization. FXY deconvolution in offset domain. Resample and antialias...
2006
Near-Surface Characterization for Seismic Exploration Based on Gravity and Resistivity Data; #41892 (2016)
Jan Mrlina
Search and Discovery.com
... the seismic resolution on the whole. If the static corrections and subsurface velocity model are not accurate, not only fine deep details, but the complete...
2016
Inversion of magnetotellurics data with enhanced structural fidelity
Federico Golfré Andreasi, Simone Re, Federico Ceci, Luca Masnaghetti
Petroleum Exploration Society of Australia (PESA)
...: structural. magnetotellurics, inversion, geology, INTRODUCTION Mineral exploration in mountainous areas is challenged by several factors...
2019
Qualitative and Quantitative Monitoring of Seismic Quality During Data-Processing for Future Seismic Reservoir Characterization Studies (Sisi-Nubi Field, Indonesia)
Rangga A. Brahmantio, Mikhail Baturin, Florent Bertini, Jean-Marie Jourdan
Indonesian Petroleum Association
... of 3 surveys Surface-consistent residual statics correction 3D velocity analysis every 1 x 1 km nd Surface-consistent residual statics correction (2 pass...
2011
Abstract: Efficency and Accuracy Enhancement for One-way Wave Equation Migration Through Improved Mapping Function in the Time-shift Imaging Condition; #90171 (2013)
Mark Ng
Search and Discovery.com
...-velocity layer. This error manifests in the form of ‘statics’ in the output commonimage gathers (CIGs) on the order of 2Δz. While the use of variable...
2013
Structural Interpretation and Modeling of Seismic Data from the Moran and Paua Area, PNG Foldbelt
S. Lingrey
Papua New Guinea (PNG) Petroleum Convention Proceedings
... for radically crooked lines, statics problems related to the high topographic relief and the irregularly developed low velocity zone in the limestone...
2000
Test Analysis of a 2D Seismic Survey With Finer CMP Interval
Zhao Xuewu, Widya Putri Pratami, Xu Qingsen, Muchlis MYS, Guo Shanli
Indonesian Petroleum Association
... of fold coverage can be increased, which not only improves the accuracy of velocity analysis, but also further enhances the signal amplitude...
2022
Abstract: Prestack Rank-Reduction-Based Noise Suppression: Theory; #90171 (2013)
Stewart Trickett and Lynn Burroughs
Search and Discovery.com
... suppression are to: - Reveal signal in noisy areas. Improve AVO and azimuthal analysis. Improve multiple attenuation, velocity analysis, and statics...
2013
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
... receiver gather domain are processed with the same flow, which is bandpass filter, deconvolution, time variant spectrum balancing, velocity analysis...
2017
Simultaneous Joint Inversion of Seismic and Gravity Data for Long Offset Pre-Stack Depth Migration in Northern Oman, #41569 (2015).
D. Colombo, M. Mantovani, M. De Stefano, D. Garrad, Hussain Al Lawati
Search and Discovery.com
... of Bouguer anomaly) for improving velocity model building and the corresponding depth-domain seismic image. Introduction Effective depth imaging through...
2015
Processing the KTK 3D seismic Survey for Azimuthal Information: San Joaquin Basin, California; #41649 (2015)
M. Lee Bell and Gary Myers
Search and Discovery.com
..., surface-consistent amplitude scaling, and two iterations of velocity analysis and reflection statics. After this pre-stack migration velocity analysis...
2015