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Showing 37,690 Results. Searched 200,693 documents.
Acquisition, Processing, and Analysis of Shallow, High-Resolution Seismic Data from the Outer Continental Shelf and Upper Slope, Offshore Louisiana
Susan E. Nissen , Janet M. Combes , Anthony G. Nekut
Journal of Sedimentary Research (SEPM)
.... For example, in multichannel processing, incorrect normal moveout of the common-depth-point (CDP) gather prior to stacking causes destructive...
1999
Derivation of Seismic Depth Sections
H. Buchholtz, W. Houba
Geological Society of Malaysia (GSM)
.... If steep and/or conflicting dips are involved in the data a special dip moveout (DMO) processing is required to improve the stacked data for migration...
1987
First Implementation of Hybrid Fiber Optic Cable in Indonesia - Carbon Reduction through Leading-Edge Technology
Marsha Sakina, Dinda Larasati Rahmani, Fajar Tri Prasetia, Cikko Majesta, Francesco Miranda
Indonesian Petroleum Association
... the wavefield, correct for the normal moveout effects, map the reflection points, and produce an image of the sub-surface. The first velocity model estimation...
2023
Multichannel Data Acquisition and Processing
Gregory L. Smith, David A. Falvey, Raymond Shaw
Circum Pacific Council Publications
... DECONVOLUTION VELOCITY ANALYSIS & INTERPRETATION Predictive gap : Operator length : Derivation window: NORMAL MOVEOUT CORRECTIONS MUTE Application...
1988
Revealing the discontinuities by 3D prestack diffraction separation and imaging
Chuangjian Li, Suping Peng, Xiaoqin Cui, Peng Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... the local slope throng the normal moveout velocity and ray parameter, which can enhance the stability and accuracy of local slopes. In this way...
2022
The calculation of first-arrival P-wave traveltime for attenuating TTI media
Mengxiu Wang, Jingyi Chen, Zhengcong Zhao, Kaiyuan Ji, Shaoying Chang
International Meeting for Applied Geoscience and Energy (IMAGE)
... vP 0 vn , is 0.1, the Thomsen-style parameters q and 0.05, the P-wave vertical velocity velocity vn v p and normal moveout are 3 km...
2022
Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays
Michael J. Perz, William Keller, Victor Kriechbaum
Unconventional Resources Technology Conference (URTEC)
... Cheng, Femi Ogunsuyi, Frank Meng, and Xinxiang Li. References Grechka, V. and Tsvankin, I., 1998, 3-D description of normal moveout in anisotropic...
2018
Amplitude Versus Offset (AVO) Analysis: Part 7. Geophysical Methods
Allan T. Long, R. C. Anderson
AAPG Special Volumes
.... Normal moveout (NMO) and residual statics corrections must be performed as accurately as possible, for any AVO analysis is degraded by inappropriate...
1992
Direct Hydrocarbon Indications Using Seismic Amplitude Variations with Offset
William J. Ostrander
AAPG Special Volumes
... of incidence is easily related to shot-to-group through the normal moveout equation. Just prior to CDP stacking, seismic data traces generally are collected...
1987
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
... PreStack Processing Accurate imaging of seismic events is normally not possible with CMP stacked data alone in a multivalued moveout situation...
1992
A Comparative Study of 3-D Noise Attenuation Techniques
Daniel Wheaton, Yendri, Kusnarya
Indonesian Petroleum Association
... Normal Moveout Correction and Mute Long Gate (2 sec) Trace Equalization Stack Dip moveout (DMO) has not been applied for testing purposes to avoid...
1996
Processing and Interpretation of 2-D Seismic Data from the Bighorn Basin, Wyoming
David J. Taylor
Wyoming Geological Association
...) Datum Correction Trace Equalization Predictive Deconvolution Constant Velocity Analysis Normal Moveout Correction Hand Statics Corrections...
1998
Current Trends in Geophysics
H. E. Stommel, J. M. Graul
Indonesian Petroleum Association
... time differential between the the arrival of the event at the near and far phone of the group. This time shift amounts to "normal moveout" across...
1978
An Interpreter's Guide to Improvements in Depth Imaging Through Model-Based Velocity Estimation and Refinement
Andy Furniss
Indonesian Petroleum Association
... in the Dix equation, we can calculate an RMS velocity error that will flatten the gather in much the same way as normal moveout velocity is used...
2000
Seismic Diffraction Imaging of Reservoir Fractures with DAS Seismic Data in a Horizontal Well
Brian Fuller
Unconventional Resources Technology Conference (URTEC)
... events on a horizontal downhole DAS cable. Figure 4. Moveout curves for diffractions and first arrivals. Arrival times for diffracting points were...
2022
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
... of the stronger reflectors. The seismic interpreter should remember that at best the normal seismic display could reveal a 20 dB...
1999
New Solutions to Old Problems: A Seismic Reprocessing Case History, DC and BQ Fields, Malacca Strait PSC
Charles A. Hinson
Indonesian Petroleum Association
... in Figures 17 and 18 respectively. Data of Figure 17 displays typical normal moveout but data of Figure 18 is distorted by positive time shifts, especially...
1993
Multi-Azimuthal Walkway VSP for Full Azimuth Seismic Calibration
Konstantin Galybin, Anastasia Poole, Michael Giles
Petroleum Exploration Society of Australia (PESA)
..., Generalized Dix equation and analytic treatment of normal-moveout velocity for anisotropic media, Geophysical Prospecting, 47 (2), 117-148. Gretchka, V...
2016
A depth uncertainty estimation method using interval-domain anisotropic VTI velocity and travel time detectability criterion
Andrey H. Shabelansky, Cory J. Hoelting, Min Yang, Sizhuang Deng, Jinsong Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... transverse isotropy (VTI) medium that is based on normal moveout (NMO) travel-time calculations and a detectability criterion. We provide the mathematical...
2024
Simultaneous 3D 4C - OBC & VSP Walkaway Survey in the Attaka Field, East Kalimantan, Indonesia
Bill Borland, Phil Johnston, Mike Reblin, Suta Vijaya, Omar Kulbrandstad, Muhammad Idrees, Scott Leaney, Jan van de Mortel
Indonesian Petroleum Association
... to the well control, and provides needed input for 4C data processing algorithms, including common conversion point (CCP) mapping, CCP moveout corrections...
2000
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
5D Interpolation Adds Value at the Drill Bit for a Texas 3D Seismic Survey
K. Rene‘ Mott, William Keller, Mike Perz
GCAGS Transactions
... analysis, 2nd pass residual statics, normal moveout (NMO), and trim statics, Prestack interpolation, ¼ mile × ¼ mile prestack time migration (PSTM...
2016
APPLICATION OF A THREE DIMENSIONAL SEISMIC SURVEY TO FIELD DEVELOPMENT IN THE WILLISTON BASIN
GARY C. ROBINSON, FERNAND BAIXAS, PATRICK J. HOOYMAN
Williston Basin Symposium
... deconvolution, velocity analysis, normal moveout correction, muting, 3D automatic statics, additional velocity analysis, and stacking...
1982
Accelerated deep learning-based estimation of wavefront dips and curvatures and their application to 3D prestack data enhancement
Kirill Gadylshin, Ilya Silvestrov, Andrey Bakulin
International Meeting for Applied Geoscience and Energy (IMAGE)
... of normal and normalincidence-point wavefronts at zero offset are used in the common-reflection-surface (CRS) method to produce stacking seismic sections...
2022
Geophysics Along the Edwards Trend
W. Lee Moore
GCAGS Transactions
... and corrections for the normal stepout or moveout of reflection times are all removed. The final result is a cross-section, or record section...
1957