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The AAPG/Datapages Combined Publications Database
Showing 214 Results. Searched 200,293 documents.
Estimation of Methane from Kerala - Konkan Onshore Peatlands of South West Coast India by Ground Penetrating Radar Method, #51460 (2018).
K. Devi, Rajesh R Nair
Search and Discovery.com
...) of the subsurface. The common offset radargrams were used to reconstruct the 2-D stratigraphic image of the study site (Figure 3). The GPR data require signal...
2018
Geometric mode decomposition method for diffraction separation
Peng Lin, Suping Peng, Yang Xiang, Chuangjian Li, Xiaoqin Cui
International Meeting for Applied Geoscience and Energy (IMAGE)
... decomposition (GMD) algorithm to remove reflections and separate diffractions in the common-offset or poststack domain. The key idea of this method...
2022
Velocity and Velocity
M. Al-Chalabi
Petroleum Exploration Society of Australia (PESA)
... pos1t1oning, the most common form being time-to-depth conversion. Velocity and 'Velocity' ISSUES IN ESTIMATING THE TRUE SUBSURFACE FOCUSING (=DATA QUALITY...
2000
Improved Understanding and Interpretability Beneath the Complex Accretionary Section in West Timor, Indonesia, Via Marine Broadband Seismic and Beam Depth Migration
Mazin Farouki, Felice D'Alterio, Erika Gentile
Indonesian Petroleum Association
... spatially, 200ms in time) in common offset volumes. All wavelet events are identified, irrespective of whether they are primary energy, multiples...
2012
Attenuation of Marine Coherent Noise – A Processing Case History in the East China Sea
Huaien Wang, Liu Guangxin, Curtis E. Hinz, Fred F. C. Snyder
Southeast Asia Petroleum Exploration Society (SEAPEX)
... reflection events are coherent in the common offset plane (COP) while the hyperbolic noise trains have been randomized. It is this random noise that the F-X...
1990
Abstract: DMO Accuracy Requirements for AVO Analysis
Craig J. Beasley
Geological Society of Malaysia (GSM)
... al., 1984). For 2-D DMO, in which the "processing unit" is typically a large group of traces, such as common-offset data or shot gathers, f k DMO...
1990
Enhancing Fault Interpretation Through Broadband Processing and Diffraction Imaging: The First and Successful Experience from Madura Offshore Area
Pongga Wardaya, Rino Saputra, Syaeful Amin
Indonesian Petroleum Association
... destructor in pre-migration stage to separate diffraction signal from the reflections in the common offset domain. The method assumes...
2018
Land FWI in the Sultanate of Oman: Challenges and advances on the road to high-resolution velocity
Mohammad Sheryar Farooqui, Yonghe Guo, Azza Al Hasni
International Meeting for Applied Geoscience and Energy (IMAGE)
... variation as the multiple generators on stack data and removes the imprint again in the common offset domain. Figure 3: Top: Legacy velocity model...
2024
High-resolution imaging in the Campos Basin using legacy seismic acquisition
David Brookes, Darrell Armentrout, Milos Cvetkovic, Terry Johnson, Trish Sullivan
International Meeting for Applied Geoscience and Energy (IMAGE)
... discontinuities are important, for example, discontinuities in fault diffractions due to the shot move up in a partially moved out common offset section...
2023
Abstract: How to Attenuate Diffracted Noise: (DSCAN) A New Methodology; #90211 (2015)
Ali Karagul, Todd Mojesky, XinXiang Li, and Necati Gulunay
Search and Discovery.com
... for detection of diffracted waves on common-offset sections: Geophy. Pros., v. 35, p. 359-373. Nemeth, T., H. Sun, and G.T. Schuster, 2000, Separation...
2015
Abstract: Al-Khalij Field (Block 6.Qatar) Development Optimization: A New Dedicated Reprocessing, by Enrico Zamboni; #90105 (2010)
Search and Discovery.com
2010
Abstract: Anisotropy-Preserving 5D Interpolation by Hybrid Fourier Transform; #90224 (2015)
Juefu Wang and Shaowu Wang
Search and Discovery.com
... residual moveout caused by strong anisotropy, dipping reflectors or multiples. Introduction Seismic data demonstrate azimuth and/or offset dependent...
2015
Abstract: Enhancing First-Break Picking in Land 3d Seismic Data using Smart Supergrouping Technique; #90254 (2016)
Saud S. Saadi, Pavel Golikov, Maxim Dmitriev, Andrey Bakulin
Search and Discovery.com
... lines are summed, we assume that velocity distribution has no lateral heterogeneity and apply common offset summation. We tested this method on land 3D...
2016
Extended Abstract: Seismic Interference Attenuation
Johan-Fredrik Synnevåg, Arne Åsnes
Petroleum Exploration Society of Australia (PESA)
... to common offset where detection is performed. The original data are also sorted to the common offset domain where interpolation is performed...
2010
Current Trends in Geophysics
H. E. Stommel, J. M. Graul
Indonesian Petroleum Association
... with the wrong velocity. The lower part of figure 19 demonstrates the potential benefits of migration before stack. In this procedure, common offset...
1978
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
... to their correct position and to obtaine focused image if depth migration is used. Various methods have been studied and applied to synthetic and real data...
2009
Wave-Equation-Based Target-Oriented Inversion for Reservoir Characterisation, #41759 (2016).
Dries Gisolf, P.R. Haffinger, P. Doulgeris
Search and Discovery.com
... is PSDM common offset cubes. These were converted to slowness gathers, by ray-tracing in a stratified overburden model. • Seismic data quality looks...
2016
Abstract: Can supergrouping enhance low frequencies needed for FWI of 3D land broadband seismic data?; #90254 (2016)
Maxim Dmitriev, Andrey Bakulin, Pavel Golikov, Dmitry Neklyudov
Search and Discovery.com
...Abstract: Can supergrouping enhance low frequencies needed for FWI of 3D land broadband seismic data?; #90254 (2016) Maxim Dmitriev, Andrey Bakulin...
2016
Land seismic multi-parameter FWI imaging
Mason Phillips, James McLeman, Vlada Avramovic, Tom Rayment, Stuart Schmitt, Mike Varner, Yasser Khalifeh, Ahmad Ammar Chahine, Eskil Jersing
International Meeting for Applied Geoscience and Energy (IMAGE)
... of many cascaded operations, including noise removal, surface-consistent corrections, demultiple, 5D common-offset vector (COV) interpolation, model...
2024
Abstract: Marine CSEM in Complex Environments: A Case Study from West Africa, by Lucy MacGregor and Anthony Greer; #90082 (2008)
Search and Discovery.com
2008
Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology
Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia
Indonesian Petroleum Association
... Compensation of absorption/ transmission losses in shallow layers Footprint removal in Fx-Fy domain 5D data interpolation in Common Offset Vector...
2014
Niobrara Surface Seismic Data - Resolution Enhancement and Reservoir Characterization Through Wavefield Re-Datuming and Inversion
Search and Discovery.com
N/A
3D deblending for marine towed-streamer data
Yangkang Chen, Min Zhou, Ray Abma
International Meeting for Applied Geoscience and Energy (IMAGE)
... and hyperbolic events in the common shot domain. We compare the sparseness of 3D and 2D blended data using this model and the convergence performance according...
2024
Water column corrections: Joint water velocity inversion for 4D marine surveys
Didier Lecerf, Mathieu Lange, Andrew Oates, Jyoti Kumar
International Meeting for Applied Geoscience and Energy (IMAGE)
.... These effects create lateral data jitters on crossline sections, characterized as “time striping” in common offset classes. Since the amount of timing...
2022
PSDM Enhances Reef Interpretation in Jatiluhur Block, West Java
Jopie I. Adhidjaja, Andrew J. Davidoff, Ika Ratna Novianti
Indonesian Petroleum Association
...-stack common offset sections. Depths and velocities are represented in such a way as to intrinsically allow rapid lateral velocity variations. Rays...
2002