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The AAPG/Datapages Combined Publications Database

Showing 547 Results. Searched 200,691 documents.

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Leveraging self-supervised deep learning to address cross-talks in multi-parameter inversions

Wenlong Wang, Yulang Wu, Yanfei Wang, George A. McMechan

International Meeting for Applied Geoscience and Energy (IMAGE)

... S-wave velocity (km/s) a) EFWI model (P2) 0.0 RMS = 2.90% SS-GSI 1.5 Density (g/cc) 2.1 NMO (P) velocity (km/s) Horizontal (P) velocity (km...

2024

Enso and Sunspot Cycles in Varved Eocene Oil Shales from Image Analysis

Maurizio Ripepe , Lillian T. Roberts , Alfred G. Fischer

Journal of Sedimentary Research (SEPM)

... (thickness, measured in number of pixels), and continuity (Fig. 3C). For straightening these, we employed a numerical procedure called "Normal move-out" (NMO...

1991

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

New constraints on buried Triassic basins and regional implications for subsurface CO2 storage from the SeisData6 seismic profile across the Southeast Georgia coastal plain

Olusoga M. Akintunde, Camelia C. Knapp, James H. Knapp, David M. Heffner

Environmental Geosciences (DEG)

... (NMO) correction, common-midpoint stacking, migration, depth conversion, and other seismic imaging enhancement tools for improved subsurface imaging...

2013

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

Advances in Geophysical Techniques for the Detection of Drilling Hazards and Their Application to Seismic Exploration

D. C. N. Pratt, Tong Pow Mun

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... The separation between NMO corrected primary events and multiples is also greater at longer offsets allowing belter multiple suppression in the final...

1990

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

Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data

A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah

Indonesian Petroleum Association

... aperture. The resulting stacked section is depicted in figure 8, when compared to stacked section resulted from conventional NMO/DMO/Stack (not displayed...

2009

The Contribution of Simple Seismic Modeling for Reef Distribution Mapping

Soetomo J.A., Bambang Santoso

Indonesian Petroleum Association

... trace (already NMO corrected) is similar to that which would be obtained in the field if the shot and receiver were at the same place on the surface...

1985

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

Premigration attenuation analysis and mapping to image domain by weighted migrations

Yonghe Sun, Chunling Wu, Mark Fan, Zhemin Tan

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Xin et al. (2014) picked both pre- and post-migration data for input to Q-tomography. For post-migration picking, they applied destretch by reverse NMO...

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

Seismic Data Acquisition and Processing in the Midway-Sunset Oil Field

C. R. Willingham, A. S. Wylie Jr., D. J. Underwood

Pacific Section of AAPG

... Migration Velocity Analysis NMO application Muting Stack TAU-P (Noise reduction) Digial Filter - time variant Trace scaling: AGC = 500 ms...

2001

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

Integrated 3D Seismic Data Modeling and Processing Methodology for Structural Model Analysis: Case Study

T. Salinas

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... vertical functions and a horizon based analysis of residual NMO. velocity model was updated using horizon based and grid tomography on an iterative...

2006

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

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