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Showing 547 Results. Searched 200,619 documents.
Abstracts: Tuning Effects in P-wave Reflections from a CO2 Injected Saline Aquifer: A Preliminary Appraisal; #90173 (2015)
Bernard Giroux, Maxime Claprood, and Lorenzo Perozzi
Search and Discovery.com
..., as illustrated by Figure 4. These values were picked along the NMO curve. The reflection is stronger for the multi-layered CO2 saturated reservoir...
2015
Abstracts: Application of CSP Gather Modeling for Determination of Velocity Smoothing Operator for Prestack Kirchhoff Depth Migration; #90173 (2015)
Hassan Khaniani and John C. Bancroft
Search and Discovery.com
... the accuracy of this simulation, for the case where the lateral velocity variation is negligible, all of equivalent offset domain data lie on the hyperbolic NMO...
2015
Abstract: Progress in DAS Seismic Methods; #90224 (2015)
A. Mateeva, J. Mestayer, Z. Yang, J. Lopez, P. Wills, H. Wu, W. Wong, Barbara Cox, J. Roy, and T. Bown
Search and Discovery.com
... on azimuth, 360 range. NMO has been applied to correct for offset variations (<300m). Top: Single receiver – notice the phase change of the first arrival...
2015
High-Effort Seismic Acquisition: Improving Image Detail; #41568 (2015)
David C. Henley, Kevin Hall, Henry Bland, Eric Gallant, Gary Margrave, Malcolm Bertram
Search and Discovery.com
... short period multiples, and equalize reflection strength over angle (Henley, 2004). Moveout velocity and statics NMO Velocity analysis and statics...
2015
Optimización de la Planeación de Nuevos Pozos de Desarrollo Mediante una Nueva Secuencia de Procesamiento y Migración Anisotrópica Pre-Apilado en Profundidad - Campos Guando y Matachín Norte y Sur, Valle Superior Del Magdalena (Colombia). [PAPER IN SPANI
Diógenes Rovira, M. Graziella Kirltand Grech
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... geológica de la capa somera no fue el único reto en estos campos. El método convencional de la corrección de NMO asume que tanto las fuentes como los...
2008
AVO and Inversion Contribute to Makassar Exploration Efforts
William L. Soroka, Herry Andiarbowo, Anung Widodo
Indonesian Petroleum Association
...) = Rp + (Rp - 2 Rs) sin2(Θ) This equation predicts how reflected P-wave amplitudes (Ap) vary with angle of incidence (Θ) for a seismic event in NMO...
1995
Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays
Michael J. Perz, William Keller, Victor Kriechbaum
Unconventional Resources Technology Conference (URTEC)
... counterpart after azimuthal NMO correction where the associated azimuthal RMS inversion only considered ∆t’s corresponding to a maximum incidence angle...
2018
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
... to be, a. 10 m, nominal fold 120 and b. 15 m, nominal fold 180 after NMO. Figure 11a shows brute stack at bin size 5m and fold 60. Same processing...
2022
Demultiple of High Resolution P-Cable Data in the Norwegian Barents Sea An Iterative Approach
A.J. Hardwick, S. Jansen, B. Kjolhamar
Petroleum Exploration Society of Australia (PESA)
... differential NMO. Ideally for SRME sources and receivers should be co-located, in this instance we interpolated the shots at a 12.5m interval down to 6.25m...
2017
Cost Effective Seismic Acquisition in the Papuan Foreland Basin
A. Garcia, J. D. Schneider, F. E. Doughty
Papua New Guinea (PNG) Petroleum Convention Proceedings
... generated noise. Velocities were analyzed and compared to others on the line and on intersecting lines. Data were then NMO corrected, stacked, mixed...
1993
Results of a 3-D Seismic Shoot at Lopeno Field, Zapata County, Texas
By Richard W. Debus and E. E. Rudder
GCAGS Transactions
... Phase Conversion 3-D Geometry Assignment Trace Edits Mute True Amplitude Recovery Deconvolution Time Variant Scaling Velocity Analysis NMO...
1998
Reservoir characterization using multi-seed stochastic inversion
Vincent Thomas, Nicolas Desgoutte, Nathalie Lucet
International Meeting for Applied Geoscience and Energy (IMAGE)
..., following steps are carried out: (1) QCs, including signal and noise estimation, and residual NMO corrections (2) well to seismic calibration...
2022
Fracture reservoir prediction method based on AVO disturbance variance
Guangrui Xiao, Yao Li, Yuru Zhang, Dekui Xu
International Meeting for Applied Geoscience and Energy (IMAGE)
... of AVO gradient, NMO velocity and interlayer travel time in fracture prediction in anisotropic media has become more and more popular. Gray (2004...
2022
Seismic Processing Applications on a Personal Computer
Geophysical Service (Malaysia) Sdn. Bhd.
Geological Society of Malaysia (GSM)
.... CDP traces are created by mapping each event to its correct two-way time and reflecting point offset by a two-step process comprising NMO for the time...
1989
Application of General Surface Multiple Prediction, a True Azimuth 3D Surface Related Multiple Elimination Technique, in the Deep Water Area of the Eastern Makassar Strait
Andreas T. Waluyo, Frank Büker
Indonesian Petroleum Association
.... When a suitable stand-in trace is found, its offset is adjusted using differential NMO to closer match that of the desired trace. Figure 5 - 2D...
2009
Drilling Using AvO to Reduce Uncertainties in D35 Infill
Meh Jabeen Zainuddin
Geological Society of Malaysia (GSM)
..., acquisition and processing (e.g. NMO effects) artifacts. 53 seen in L-M space, gives confidence that the infill target locations are highly probable...
1998
Deep Earth: Leveraging neural networks for seismic exploration objectives
Tariq Alkhalifah, Claire Birnie, Randy Harsuko, Hanchen Wang, Oleg Ovcharenko
International Meeting for Applied Geoscience and Energy (IMAGE)
..., but ignored in the synthetic training data. In this case, the predicted (NMO-like) velocity will be higher in average than the well vertical velocity...
2022
Integrated Interpretation of Seismically Derived Rock and Fracture Attributes for Shale Gas Reservoir Characterization
Gang Yu, Yusheng Zhang, Xing Liang, Uwe Strecker, Maggie Smith
Unconventional Resources Technology Conference (URTEC)
... seismic data quality prior to prestack inversion by improving signal/noise ratio, removing NMO stretch and aligning reflection events. Velocities...
2014
Efficient acquisition and imaging of high-resolution seismic data with the continuous wavefields method
Tilman Klver, Torben Hy
International Meeting for Applied Geoscience and Energy (IMAGE)
..., is still insufficient to image very shallow events without spatial aliasing. Figure 5: F-k spectrum of a crossline section after 3D NMO and stack...
2022
Solving seismic inverse problems by an unsupervised hybrid machine-learning approach
Mrinal K. Sen, Arnab Dhara
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and P. L. Stoffa, 1998, Automatic NMO correction and velocity estimation by a feedforward neural network: Geophysics, 63, 1696–1707, doi: https://doi.org...
2022
Principles and Techniques of VSP Data Processing
A.A. Tabakov, V.N. Ferentsi, H.Garvini
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... wave energy resides (Ferentsi et al., 2003); (2) flattened (via NMO correction procedure) which makes the subtraction of target waves easier...
2006
Demultiple for Wide-Tow Broadband Acquisition in a Shallow Water Environment: A Case Study from the NW Shelf, Australia
Mike Hartley, Shuo Ji, Alex Browne
Petroleum Exploration Society of Australia (PESA)
... also makes borrowing of traces with partial normal moveout (NMO) problematic for SRME. Consequently an alternative approach to multiple removal...
2016
4D joint inversion and close-the-loop for production history matching and forecasting
Kelly Wrobel, J. P. Blangy, Tony Rolland, Evan Mutual, Klaus Bolding Rasmussen, Wendell Pardasie
International Meeting for Applied Geoscience and Energy (IMAGE)
... to a successful close-the-loop study. This workflow uses measured seismic data that has already been NMO corrected for source-receiver offset and has been...
2023
3D Vertical Seismic Profiling Acquired Using Fibre-Optic Sensing DAS - Results from the CO2CRC Otway Project
Julia Correa, Barry Freifeld, Roman Pevzner, Andrej Bona, Konstantin Tertyshnikov, Thomas Daley, Michelle Robertson, Dmitry Popik
Petroleum Exploration Society of Australia (PESA)
... stack produced from check-shot acquired with geophones, and geophone check-shot data after NMO correction. The displayed DAS inline coincides with CRC-2...
2018
Sonic Saturation Inversion and AVO Modeling in the Tunu Gas Field
Patrick Fouchard, Scott Leaney, Sugimin Harsono
Indonesian Petroleum Association
.... Small amounts of gas may also lead to a false AVO effect. Figure 4. CDP synthetics after NMO correction. From left to right: Vp/Vs for water and gas...
1996