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Showing 701 Results. Searched 200,685 documents.
Chapter 18: The Role of Megaregional Seismic Data in Santos Basin Pre-Salt Exploration and Development
J. A. Deckelman, S. Chi, A. K. Hartwig, K. R. Reuber, J. Fruehn
AAPG Special Volumes
... the following: ION Geophysical’s 99,275 km2 Picanha anisotropic PSDM 3-D seismic data volume, with Kirchhoff and RTM migration ION Geophysical...
2021
Successful Depth Imaging at Banyu Urip Field
Yuki Y. Agulia, Michael Gurch, Sony Mohammad, Bastian Hutahayan
Indonesian Petroleum Association
... tomography. Finally Controlled Beam Migration (CBM) was selected to optimally focus the energy beneath the top carbonate where Kirchhoff A key factor...
2018
NMO Application in VTI Media: Effective and Intrinsic Eta (Geophysics Paper 6)
Joel Starr, Maz Farouki
Geological Society of Malaysia (GSM)
.... Geophysics, 62, 1839-1854. Sun, C., Martinez, R., 2002, Amplitude preserving 3D pre-stack Kirchhoff time migration for V(z) and VTI media. Society...
2008
CRS-Stack and NIP-Wave Tomography Implemented to the SH-Wave Reflection Seismic Data for Shallow Hydrocarbon Prospecting (Paper P30)
M. R. Sule, A. A. Valencia, A. Hendriyana, U. Polom, C. M. Krawczyk
Geological Society of Malaysia (GSM)
.... Minimum-aperture Kirchhoff migration with CRS stack attributes. Logos Verlag Berlin. Kienast, T., Spinner M., Mann, J., 2007. CRS-based minimumaperture...
2012
Scaling laws of karst dissolution features: Evidence from three-dimensional unmanned aerial vehicle imaging and ground-penetrating radar analyses
Juliana A. G. Lopes, Walter E. Medeiros, Renato R. S. Dantas, Josibel G. Oliveira, Jr., Flávio L. Santana, and Francisco H. R. Bezerra
AAPG Bulletin
..., 2006), Kirchhoff migration, and band-pass filtering. The migration process was performed using a mean velocity of 0.09 m/ns, estimated by fitting...
2025
Reducing seismic quantitative interpretation uncertainty in complex geological environments: A case study from offshore Australia
Andrea Paxton, Lianping Zhang, Abdul Kholiq, Lee Davey, Richard Bisley, Dominic Fell, Leo Leon, James Shadlow
International Meeting for Applied Geoscience and Energy (IMAGE)
... elimination, fullwaveform inversion (FWI) and multi-azimuth Q-Kirchhoff depth migration with amplitude versus offset (AVO) quality assurance analysis throughout...
2022
Neotectonics of the Southern Sumatran Forearc
M. Ma'ruf Mukti, Satish C. Singh, R. Moeremans, N.D. Hananto, H. Permana, I. Deighton
Indonesian Petroleum Association
... passes of a radon multiple removal technique. The data were processed using a pre-stack Kirchhoff depth migration technique. Independently, TGS had...
2012
Can Sparse OBN Equal Savings and Data Quality?
Yannick Cobo, Rodrigo Felicio, Carlos Calderon, Paul Farmer, ION
GEO ExPro Magazine
... scenarios. We compare the migrated stacks obtained from prestackdepth migration of a legacy streamer dataset from the same area for the final model...
2021
Defining a Steeply-Dipping Salt Flank in Mississippi with a New High-Certainty 3D Method
Nicholas Brooks, Pat Donais, Werner Heigl, Jakob Haldorsen, Fred Li
GCAGS Transactions
... of changes in acoustic impedance, the seismic image. This is a Kirchhoff style of migration sum in the form of a correlation between the source wave...
2015
The Santos Basin, Brazil: Unlocking the Pre-Salt Potential
Jaswinder Mann, CGG
GEO ExPro Magazine
... have been imaged using Kirchhoff Pre-Stack Depth Migration (PSDM), with the main difference being that Phase VI-A is conventional seismic data...
2013
Refining Exploration Opportunities in Mexico: Evaluation of Offshore Campeche Salt Basin with Progressive Data Resolution
Brian W. Horn, Andrew Hartwig, Jeff Faw, Ika Novianti, Antara Goswami, Adrian Mcgrail, ION
GEO ExPro Magazine
.... In significant imaging uplift. Broadband preprocessing coupled areas where salt geometries are with high resolution steep dip RTM and Kirchhoff imaging more...
2017
Super Producers: Revealing North Sea Injectites
Noémie Pernin, Laurent Feuilleaubois, Tim Bird, Cyrille Reiser
GEO ExPro Magazine
... building and Kirchhoff depth migration including compensation for earth absorption, together with the implementation of the PGS complete wavefield...
2018
Seismic Foldout: Accurate Reservoir Attributes Delivered with GeoStreamer X in the South Viking Graben, Norway
Cyrille Reiser, Roberto Ruiz, Eric Mueller, Julien Oukili, PGS
GEO ExPro Magazine
... prior to Kirchhoff Pre-Stack Depth Migration (KPSDM). The velocity model was obtained through comprehensive Velocity Model Building (VMB) which included...
2022
Seismic Foldout: New Geo Streamer X data for exploration, ILX and appraisal in the Norwegian Sea
Kjetil Roverud, Stefan Möller, Eric Mueller, Jens Beenfeldt, PGS
GEO ExPro Magazine
.... A modern pre-processing sequence ensures seamless merging of all azimuths into a single dataset before Q Kirchhoff Pre-Stack Depth Migration (Q-KPSDM...
2023
New insights into the Exmouth Sub-basin: Seismic acquisition, processing and imaging
Alexander Karvelas, Bee Jik Lim, Lianping Zhang, Haryo Trihutomo, Oliver Schenk, Sugandha Tewari
Petroleum Exploration Society of Australia (PESA)
... the improved velocity resolution around the shallow intervals, and C: Kirchhoff prestack depth migration depth stack cross section overlaid...
2019
The Gunnison Discovery—Garden Banks Block 668, Gulf of Mexico
Jeff Gee-shang Pan, Jim Fulcher
GCAGS Transactions
... produced 5 new levels of amplitude-supported targets in a deeper interval (Fig. 2). Table 1. PSTM processing flow Garden Banks 3D. Table 2. Kirchhoff...
2005
Fit for Purpose Time Lapse Seismic at F6 (Geophysics Paper 23)
Elvis Chung, Paul Hague
Geological Society of Malaysia (GSM)
... Kirchhoff 3D time migration volumes of the base and monitor were subsequently used to generate the final time-shift volumes and difference cube (base...
2008
PSDM Enhances Reef Interpretation in Jatiluhur Block, West Java
Jopie I. Adhidjaja, Andrew J. Davidoff, Ika Ratna Novianti
Indonesian Petroleum Association
...) showing the updated depths and velocity after tomography inversion. Kirchhoff Pre-Stack Depth Migration The initial velocity model generated from...
2002
Imaging below Seafloor Canyons and other Rugose Features
Dominic Fell, Kiran Dyal, Tony Hallam, Sebastian Nixon
Australian Petroleum Production & Exploration Association (APPEA) Journal
... isotropic Kirchhoff prestack depth migration. Imaging below seafloor canyons The APPEA Journal 731 (a) (b) Fig. 3. Comparisons between the (a) legacy...
2017
3-D Tomographic Amplitude Inversion for Compensating Transmission Losses in the Overburden
Barry Hung, Kefeng Xin, Sergey Birdus, James Sun
Indonesian Petroleum Association
...., Hung B., 2002, Amplitude Preserving v(z) Prestack Kirchhoff Migration, Demigration and Modeling: 64th Meeting, EAGE, B011. Taner M. and Koehler F...
2009
Data processing experience with PP and PS imaging on SB-DAS: A North Sea case study
R. Bachrach, M. Wilk-Lopes, D. Brager, S. Sonika, C. Thorgersen, E.B. Raknes, Y. Ivanov
International Meeting for Applied Geoscience and Energy (IMAGE)
..., using Kirchhoff depth migration (KDM), with and without the wavefield separation step, to enable comparison. Figure 2. (a) A shot gather before...
2024
Calibrating FWI image amplitudes: Insights from deepwater GoM
Lennon Infante-Paez, Nayyer Islam
International Meeting for Applied Geoscience and Energy (IMAGE)
... diving waves, multiples, and reflection waves (Wang et al., 2021). Whereas standard migration algorithms, such as Kirchhoff migration, one-way migration...
2024
Delineating Thin-Bed Tight Gas Sand Reservoir with Prestack Joint PP/PS Inversion, #41363 (2014)
Zhiwen Deng, Ming Qiang, Shuanghu Shi, Xiaofeng Liang, Yang Zhu, Yijun Zhou, Qingjia Tong
Search and Discovery.com
.... This procedure estimates a prestack migration velocity field. Figure 1 shows the PP and PS wave sections by Kirchhoff prestack time migration, which...
2014
Kraken 3DAcquisition to Interpretation on the Edge of the Browse
Jarrod Dunne
Petroleum Exploration Society of Australia (PESA)
... a Kirchhoff TTI anisotropic migration was performed using the velocity model from the 5th iteration. Some careful post-processing was also applied...
2016
Operator chains and seismic data decomposition
Sergey Fomel
International Meeting for Applied Geoscience and Energy (IMAGE)
... inversion theory both for Kirchhoff-style imaging (Fomel, 2003) and reversetime migration (Hou and Symes, 2016) suggests approximating the inverse Hessian...
2022