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The AAPG/Datapages Combined Publications Database
Showing 547 Results. Searched 200,663 documents.
Distributed Acoustic Sensing Vertical Seismic Profiling (DAS VSP) in an Exploration Well in the Gulf of Mexico—Case Study
A. Martinez, S. Ali, G. Zemlicka, S. Ruiz, C. Moyer, G. Richard, E. Bergersen, T. Campbell, B. Adkins, and J. Bassil
GCAGS Transactions
... reflections (Ali et al., 2024). After filtering, the residual wave field after this step was NMO corrected to two-way time via a VSP travel time-calibrated 2D...
2025
1.2 Seismic Stratigraphy: 1.2.2 Unconformities: High Relief Topography on the Jurassic Unconformity (Alabama)
J. R. English and J. S. Oslund
AAPG Special Volumes
... (58 m) Surface consistent statics Predictive deconvolution Filter: 8-16-55-75 Velocities from NMO Wave equation migration Amplitude...
1983
2.2 Basement Involved: 2.2.2 Rifts: A Half-Graben and Tilted Fault Block Structure in the Northern North Sea
A. C. Evans and D. N. Parkinson
AAPG Special Volumes
... corrected to sea level + 0.02S Deconvolution: Predictive Migration: 401-fold. 100% NMO velocities Time and space variant bandpass filter within...
1983
Integration of geology, rock physics, logs, and prestack seismic data for reservoir porosity estimation
Abdulaziz M. AlMuhaidib, Mrinal K. Sen, M. Nafi Toksoz
AAPG Bulletin
...), residual normal move out (NMO), NMO stretch, and anisotropy are greatest. Moreover, the small layer contrast assumption of the Aki and Richards...
2012
3D Seismic Data Interpolation by Frequency Domain Local 2D Prediction
Xishuo Wang
Search and Discovery.com
... an interpolated partial shot gather after NMO. Interpolation by time domain method (fig.1t) fails somewhat and frequency domain (fig.1f) method...
Unknown
3D Seismic Data Interpolation by Frequency Domain Local 2D Prediction
Xishuo Wang
Search and Discovery.com
... an interpolated partial shot gather after NMO. Interpolation by time domain method (fig.1t) fails somewhat and frequency domain (fig.1f) method...
Unknown
Abstract: Strong Noise Removal and Replacement on Seismic Data; #90174 (2014)
Patrick Butler
Search and Discovery.com
... that approach. Instead it progressively replaces the trace data with an estimate of the signal built from adjacent traces. If the data has NMO applied...
2014
Abstract: Near Surface Anomalies and Solutions; #90211 (2015)
Todd Mojesky, David LeMeur, and Ali Karagul
Search and Discovery.com
... Industry Heading? Calgary, AB, Canada, May 15-18, 2006 2) GeoPACS Long wave and large magnitude statics require a new algorithm. NMO errors...
2015
Abstract: First-Arrival TomoStatics and Residual Statics for Near-Surface Corrections; #90211 (2015)
Jie Zhang, Oz Yilmaz, and Nanxun Dai
Search and Discovery.com
... for resolving residual statics like in the conventional NMO and stacking process. Thus, resolving long-wavelength statics from the first-arrival tomography...
2015
Footprints in Seismic Data, by Surinder Sahai and Khalid Soofi, #40230 (2007).
Search and Discovery.com
2007
Seismic Aids Heterogeneity Hunt, by Satinder Chopra and Yong Xu; #40489 (2010)
Search and Discovery.com
2010
Predicting Seismic Data Quality from Multispectral Satellite Imagery in Alberta Oil Sands; #41335 (2014)
Andrew V. Barrett, Art Siewert, and Ron Weedmark
Search and Discovery.com
... predictive deconvolution, NMO, and alignment statics. This has proven to be a good predictor of final data quality on a shot station basis. Although a surface...
2014
Prestack Impedance Inversion Aids Interpretation, by Satinder Chopra and Ritesh Kumar Sharma; #41664 (2015).
Search and Discovery.com
2015
Conditioning Prestack Seismic Data in the Offset-Azimuth Domain; #42462 (2019)
Ritesh Kumar Sharma, Satinder Chopra
Search and Discovery.com
... is not optimal. Instead of stacking the azimuthally-sectored normal moveout, or NMO, corrected traces at every CMP, we suggest generating supergathers using...
2019
3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs
Antonio C.B. Ramos, T.L. Davis
Rocky Mountain Association of Geologists
... as a SV-wave. This interface correspond to a strong velocity contrast. Notice the interference produced by the converted wave (event with undercorrected NMO...
1997
Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data
Paul L. Stoffa
Circum Pacific Council Publications
... at the bottom of a stack of homogeneous flat layers. where X N is the total source-receiver offset. We recognize in equation 4 the graphical interpretation...
1989
Seismic Interpretation Methodology for Fluvial Sandstone Reservoirs in Widuri Field, Offshore Southeast Sumatra, Indonesia
D. C. Carter, W. E. Harmony, L. Harvidya, G. Juniarto, S. Lestari, A. Purba
Indonesian Petroleum Association
... incidence angle across an NMO-corrected CMP gather, such that a far angle-range stack has low frequency compared with a near angle-range stack. The same...
2002
AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods
Alan R. Huffman
AAPG Special Volumes
... of far-offset data that are degraded by normal moveout (NMO) stretch. Near-stack inversion also gives the most robust calibration to well logs...
2001
The Geophysicist Communicating with Seismic Processing
R. E. Sheriff
Southeast Asia Petroleum Exploration Society (SEAPEX)
... the effect of the EXPGAIN previously applied; /NMO applies normal moveout, and certain files (FILES) are plotted so that we can see how appropriate...
1980
Determining the Coal Bed Methane Distribution Based on Amplitude Variation With Offset (AVO) Analysis and Seismic Inversion: Case Study of Sumatra Basin
Padmadi Heru Wibawa, Abd. Haris, Suprajitno M.
Indonesian Petroleum Association
... and isotropic horizontal layer. The inversion algorithm assumes that a) the input CMP gather is properly migrated and corrected for NMO effects, b) the input...
2007
P-Wave Azimuthal Anisotropy and Its Application in Sandstone-Conglomeratic in Yani Oil Field
Zha Chaoyang, Shen Shuirong, Hairunnisa, Xia Tianfang
Indonesian Petroleum Association
... is tight with low permeability and porosity. Data Two subsets of 3D seismic data were loaded: post-stack migration and pre-stack NMO CDP gathers. Pre...
2008
S1P and S2P separation and shear wave splitting correction for SVP data
Yuan Yuan Yue, Zhongping Qian, Hongmei Nie, Pengyuan Sun, Zhiwen Deng, Jianfeng Li
International Meeting for Applied Geoscience and Energy (IMAGE)
...) azimuthal CCP stacking when converted-wave velocity is used for NMO correction. Table 1: Model parameters Layer 1 2 3 4 (m/s) Vp Vs 1500 1700...
2022
Transformer-based network for an efficient ground roll suppression
Randy Harsuko, Omar Saad, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... to marine seismic data, encompassing denoising, direct arrival removal, multiple attenuation, and normal moveout (NMO) correction. A key feature...
2024
FWI derived reflectivity gathers in angle domain
Hu Jin, Simon Luo, Qingqing Liao, Xukai Shen, Ganyuan Xia, Madhav Vyas
International Meeting for Applied Geoscience and Energy (IMAGE)
... acquisition. Figure 5: a) NMO corrected CMP gather, b) Kirchhoff offset gather, c) FDR offset gather with each offset bin of 5 m and d) FDR angle gather...
2024
Towards flexible demultiple with deep learning
Mario Fernandez, Norman Ettrich, Matthias Delescluse, Alain Rabaute, Janis Keuper
International Meeting for Applied Geoscience and Energy (IMAGE)
... (NMO) velocity estimation. To address this, we propose a supervised DL training method for demultiple based on moveout discrimination in the CDP domain...
2024