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The AAPG/Datapages Combined Publications Database

Showing 173 Results. Searched 191,921 documents.

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Abstract: Anisotropy-Preserving 5D Interpolation by Hybrid Fourier Transform; #90224 (2015)

Juefu Wang and Shaowu Wang

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... residual moveout caused by strong anisotropy, dipping reflectors or multiples. Introduction Seismic data demonstrate azimuth and/or offset dependent...


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

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... lines are summed, we assume that velocity distribution has no lateral heterogeneity and apply common offset summation. We tested this method on land 3D...


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...


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...


Wave-Equation-Based Target-Oriented Inversion for Reservoir Characterisation, #41759 (2016).

Dries Gisolf, P.R. Haffinger, P. Doulgeris

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... is PSDM common offset cubes. These were converted to slowness gathers, by ray-tracing in a stratified overburden model. • Seismic data quality looks...


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...


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

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...Abstract: Can supergrouping enhance low frequencies needed for FWI of 3D land broadband seismic data?; #90254 (2016) Maxim Dmitriev, Andrey Bakulin...


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...


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...


Abstract: AVO Compliant Spectral Balancing; #90171 (2013)

Nirupama Nagarajappa and Jon Downton

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...) and this operator averages over offsets. To take advantage of the noise averaging of ensemble based approaches, we apply this approach to data in common offset...


Abstract: Estimation of Methane From Kerala-Konkan Onshore Peatlands of West Coast India by Ground Penetrating Radar Method; #90310 (2017)

Devi K, Rajesh R. Nair

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... and geometry of the peat from the common offset radargram. Semblance analysis from the Common Midpoint (CMP) data used to estimate the two-way travel time...


MAZ Processing for Basement Fracture: A Case Study on 3D Conventional Land Seismic Dataset

Ahmad Zazeli Fuadi, Yatty Surtiati

Indonesian Petroleum Association

... the data distribution, especially on azimuth. When 5D interpolation is chosen, the Common Offset Vector (COV) Binning introduces by Cary (1999...


Abstract: Using-MultiFocusing 3D Diffraction Imaging to Predict Fracture Corridors/swarms in the Bazhenov Formation; #90187 (2014)

Marianne Rauch-Davies, Alex Berkovitch, Danil Pelman, and Kostya Deev

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.... 72rd EAGE Conference and Exhibition. Landa, E., Shtivelman, V., and Gelchinsky, B. [1987] A method for detection of diffracted waves on common-offset...


Abstract: Am I Really Predicting Natural Fractures in the Tight Nordegg Gas Sandstone of West Central Alberta? Part I: Theory and Statistics; #90172 (2014)

Lee Hunt, Scott Reynolds, Tyson Brown, Scott Hadley, Jon Downton, Satinder Chopra

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... resolved in a common offset vector characterized product, or less wells sampled in a azimuthally sectored and migrated product. Curvature attributes...


Multiple Aliasing Problems in Marine Data

P. Chia, C. O. Kuek, P. Ward, K. S. Lee

Geological Society of Malaysia (GSM)

... of the noise can still be seen. The aliased noise is also coherent in the common offset domain. In conventional processing, the DMO process will tend...


Seismic Line Across the Wind River Thrust Fault, Wyoming

W.L. Basham, W.F. Martin

Rocky Mountain Association of Geologists

... of the velocity variations can be analyzed by ray tracing and by studying the near offset and far offset stacks of the seismic data. A post-thrusting...


Deepwater Santos Basin: Extending the Pre-Salt Play Outboard

Cian O'Reilly, James Keay, Jianli Song, Griselda Martinez, Seung Yoo, Taejong Kim, Eric Newman, Pedro Zalan, TGS

GEO ExPro Magazine

... minerals (e.g. anhydrite, carnallite, tachyhydrite). The presence of this ‘dirty salt’ requires that a common offset RTM (COR) be applied to update...


Abstract: Inverse scattering Internal Multiple Prediction on Physical Modeling Data; #90174 (2014)

M. Hernandez, K. Innanen, and J. Wong

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... implemented an inverse scattering internal multiple attenuation algorithm in physical model data. We conducted 2D common offset seismic survey...


Seismic Trace Interpolation using Adaptive Prediction Filters

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... shows a common offset gather of the data set from the Gulf of Mexico containing diffractions. The data are interpolated using adaptive PFs with length...


Seismic Technology Evolution to Support Prospect Evaluation, Exploration Well, and Geological Appraisal

Frederic J. Billette, Yan Quist

GCAGS Transactions

... and applied to the east-west NATS was used to migrate the pre-process WATS data with a 25Hz common-shot WEM (faster track image). Two types of post migration...


Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays

Michael J. Perz, William Keller, Victor Kriechbaum

Unconventional Resources Technology Conference (URTEC)

... (VTI) pre-stack time migration (PSTM), the data were submitted to VVAZ inversion via the Generalized Dix Inversion (Grechka et al., 1999...


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