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Showing 547 Results. Searched 200,673 documents.
Rock Physics and Reservoir Characterization of a Calcitic-Dolomitic Sandstone Reservoir; #41499 (2014)
H. Morris, E. Efthymiou, B. Hardy, T. Kearney
Search and Discovery.com
... to be due to incorrect NMO corrections locally and frequency variations with offset. Often coarse velocity models provide inaccurate results...
2014
Seafloor Characteristics and Dynamics Affecting Geotechnical Properties at Shelfbreaks
Richard H. Bennett, Terry A. Nelsen
Special Publications of SEPM
... continental shelf and the steeply dipping influ the sediment chemical effects and micro structure are stilI in the qualitative and semi quan...
1983
S/N RATIO AND BANDWIDTH CONSIDERATIONS WHEN UTILIZING SEISMIC DATA IN EXPLORING FOR SUBTLE TRAPS - EXAMPLES FROM THE KNOX PLAY
Edward R. Tegland, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO Patrick H. Bygott, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO
Ohio Geological Society
... Hale,D., 1984, Dip Moveout by Fourier Transform (Stacking NMO): Geophysics, v. 49, p. 741-757. Sheriff, R. E., 1968...
1999
Métodos de Conversión Tiempo-Profundidad: Analisis y Discusión de Resultados en un Modelo Estructuralmente Complejo [PAPER IN SPANISH] Methods of Time-Depth Conversion: Analysis and Discussion of Results in a Complex Structural Models
Juan Carlos Vega D., Andres Mora
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... eventos en un common-receiver gather seria plano sin NMO residual. Para obtener la imagen desde el PSDM, simplemente apilamos las trazas en cada common...
2009
An application of FWI with progressive transfer learning
Shirui Wang, Jinjun Liu, Yuchen Jin, Xuqing Wu, Jiefu Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... model by picking the NMO panel; (b) and (c) are the updated model by FWI with the muted data and BWE result, respectively; (d) and (e) are the updated...
2022
Analisis de Anisotropia y Caracterizacion de Fracturas: Una Aplicacion en la Cuenca del Catatumbo [PAPER IN SPANISH] Anisotropy Analysis and Characterization of Fracture: An Application in Catatumbo Basin
C. Guerrero, M. Garnica
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... laminadas, etc. La anisotropía sísmica ha sido considerada como un atributo físico que puede ser medido a partir del velocidades de Normal MoveOut (NMO...
2004
Overcoming signal processing challenges on a deep-water sparse OBN survey: A case study from the Gulf of Mexico
Matthew Salgadoe, Nigel Seymour, Hongyan Li, Di Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... streamer surveys. d b Figure 5 Wavefield separated NMO corrected gathers. xt upgoing (a), tau-px-py upgoing (b), xt downgoing (c) and tau-px-py...
2022
Efficient interdisciplinary workflow for predrill seismic pore pressure prediction
Josue Fonseca, Anshuman Pradhan, Tapan Mukerji
International Meeting for Applied Geoscience and Energy (IMAGE)
... a velocity spectrum through scanning the unmigrated seismic data with normal moveout (NMO) procedure. Finally, we consider samples as acceptable when...
2022
9C data acquisition for near-surface imaging in a quick-clay landslide-prone site in SW Sweden
Tatiana Pertuz, Alireza Malehmir
International Meeting for Applied Geoscience and Energy (IMAGE)
... Hz, in the frequency domain, to further lower the amplitude of the source-generated noise. An NMO velocity analysis was conducted in a range...
2022
Compressive sensing framework using the linear radon transform for 3D ultrasonic data reconstruction in a pinch-out reservoir model
Pedro C. de Assis, Romulo B. da Silva, Irineu A. Lima Neto, Alan C. Galante, Alexandre L. Campi, Alessandro R. de Oliveira, Roseane M. Missagia, Marco A. R. Ceia
International Meeting for Applied Geoscience and Energy (IMAGE)
...stacked sections after applying the processing step composed of geometry analysis, multiple removals, velocity analysis, NMO correction, and stacking. T...
2022
Seismic dataset-specific machine learning framework based on pretraining and fine-tuning
Tariq Alkhalifah, Randy Harsuko
International Meeting for Applied Geoscience and Energy (IMAGE)
.... In this case, the predicted (NMO-like) velocity will be higher in average than the well vertical velocity. (a) (b) (c) Figure 4: Examples...
2022
Automation of passive seismic processing via machine learning and physics-informed methods
Ivan Lim Chen Ning, Laura Swafford, Mike Craven, Kevin Davies, Evan Earnest, Dean Thornton
International Meeting for Applied Geoscience and Energy (IMAGE)
.... 𝑣 𝑃 and 𝑣 𝑆 represent the P and S wave effective NMO velocity. Note the absence of the offset term since the corresponding P and S phase map shares...
2022
Robust reconstruction via orthogonal matching pursuit with Fourier operators
Ji Li, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The data corresponds to 301-time samples and 30 × 30 midpoints extracted from a constant x− and y− offset volume. The prestack volume was NMO...
2022
Pie in the Sky?
Ed Hagar
GEO ExPro Magazine
... from low channel analog recording systems to high-channel count digital systems with low-noise streamers. Processing houses have taken us from NMO stack...
2019
Analysis of rank-reduction methods for filtering and interpolation
Rafael Manenti, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
... in X and 86 in the Y direction, with 100m × 100m offset-x-y grid, with 400 samples. It is worth mentioning that the data was NMO corrected previously...
2022
Impact of an Integrated Seismic Data Processing Approach: A Case Study in Central Sumatra
Mars E. Semaan, Eddy Murhantoro, Maryanto, Achmad Bermawi, Budi Subianto, Hari Santoso
Indonesian Petroleum Association
... correction DMO / Pre-stack migration in the common offset domain NMO / Stack / Post-stack enhancement Frequency filtering / Scaling / Display...
1992
Semi-quantitative prediction of hydrocarbon gas saturation in carbon dioxide enrichment areas in the South China Sea deepwater
Leyi Xu, Weiwei Zhang, Xumin Liu, Hao Liu, Jianfeng Yang, Yixuan Ma
International Meeting for Applied Geoscience and Energy (IMAGE)
... distortion at the far offset. The influence of amplitude distortion caused by NMO stretching on FAVO inversion is crucial. Inappropriate correction...
2023
Seismic Data Compression by Variational Autoencoder With Hyperprior
Shirui Wang, Wenyi Hu, Aria Abubakar, Xuqing Wu, Jiefu Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
...d compression of NMO-corrected CDP gathers: 64th Annual International Meeting, SEG, Expanded Abstracts, 731–734, doi: https://doi.org/10.1190/1.193197...
2023
Strategic Development of Technologies for Survival and Growth in the Oil and Gas Industry
Philippe Lacour-Gayet, Kambiz Ali Safinya, Amin Rajeh Amin
Indonesian Petroleum Association
... quality. This includes, for example, the 3-D stack of Normal Move Out (NMO)-corrected data, using velocities from a previous 2-D survey. Figure 2 shows...
1994
Broadband data with a new low frequency source Acquisition and processing example from the Gulf-of-Mexico
Xuefeng Shang, Maksym Kryvohuz, Hamish Macintyre, Guido Baeten, Thibaut Allemand, Philippe Herrmann, Stephane Laroche, Shuki Ronen
International Meeting for Applied Geoscience and Energy (IMAGE)
... an overkill in the mid-band frequency range. Secondly, NMO stretch effect in migration generally shifts data towards to lower frequency, meanwhile...
2023
Assessment of the permanent seismic sources for borehole seismic monitoring applications: CO2CRC Otway Project
Sinem Yavuz, Julia Correa, Roman Pevzner, Barry Freifeld, Todd Wood, Konstantin Tertyshnikov, Sofya Popik, Michael Robertson
Petroleum Exploration Society of Australia (PESA)
... then NMO corrected using a one-dimensional velocity model, through the VSP to CDP transform. Figure 5 shows the second field trial VSP-CDP transform...
2019
Seismic Spectral Signatures of the Badak Oil and Gas Field, Onshore Kutei Basin, Kalimantan, Indonesia: An Example of Seismic Reservoir Imaging and Characterization
Arif Wibowo, Jeff Towart, James Dirstein, Maher Maklad
Indonesian Petroleum Association
...) uses a time window from stacked seismic data; it appears robust versus noise and can withstand AGC, NMO, decon and de-multiple processing. Seismic...
1999
Great Salt Lake Area, Utah
Louis C. Bortz, Scott A. Cook, O.J. Morrison
Rocky Mountain Association of Geologists
... a a P r e d i c t i v e d econvolut ion S o r t t o CDP g a t h e r s NMO c o r r e c t i o n 500 ms. AGC s c a l i n g 4 0 CDP s t a c k i n g I I...
1985
Benefits and Uplift of Focused Post-Migration Gather Conditioning Over Prospect Specific Areas - An Indonesian Case Study
David Jessup, Dave Goulding, Andy Kalil
Indonesian Petroleum Association
... This QC provides an indication as to what degree of bandwidth attenuation occurs from near-to-far angles, either through spherical divergence or NMO...
2022
A Regional Velocity Cube for Depth Conversion on the Northwest Shelf
Maighréad Ní Dheasúna, Mark Ballesteros, James Leven
Petroleum Exploration Society of Australia (PESA)
... generated with lateral grid dimensions of Equation Use Average Velocity: ll Depth Conversion Stacking Velocity: L2 NMO Correction Table 7...
2012