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The AAPG/Datapages Combined Publications Database
Showing 2,263 Results. Searched 201,044 documents.
Improving subsalt images using FWI and FWI imaging: A streamer case study at Big Foot
Weihong Fei, Jingru Chen, Min Yang, Leah Grassi, Erik Everson, Paul Bovet, Marin Laomana, Sheree Wold, Alex Yanjun Hao, Chi Chen, Shubin Zeng, Zhiyuan Wei
International Meeting for Applied Geoscience and Energy (IMAGE)
... faults although with relatively heavy swing noise contaminations that mainly originate from prismatic waves. Furthermore, we designed a post-migration...
2022
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
..., and migration. The walkaways also allowed derivation of Qp and Qs information, which indicated a very low Qp (~19) in the near surface. This low Qp...
2000
Enhancing PSDM via Well Data Derived from Gradient Boosted Trees Machine Learning
Marianne Rauch, Mike Perz, Sathiya Namasivayam, Ritesh Sharma
Unconventional Resources Technology Conference (URTEC)
... a gradient boosted tree method. Following this, a pre-stack depth migration (PSDM) test was performed where the final results from a traditional...
2020
Utilizing Seismic in Exploring for Subtle Traps
Kevin Werth, Patrick Bygott, Edward Teyland
PTTC
... 3-DdesignwiUbe the result of an iterative process that carefully balances geophysical requirements with cultural obstructions and economic reality...
2003
Current Trends in Geophysics
H. E. Stommel, J. M. Graul
Indonesian Petroleum Association
... on the migrated display. Western Geophysical Company (WGC) recently developed a process they call DEPTH MIGRATION which aims at solving this particular problem...
1978
Least-squares RTM with shifted total variation regularization for depth imaging of sparse short-offset seismic data
Toktam Zand, Andrzej Gorszczyk, Ali Gholami, Hasan Ghasemzadeh, Alison Malcolm
International Meeting for Applied Geoscience and Energy (IMAGE)
...., 1983, Iterative depth migration by backward time propagation: 53rd Annual International Meeting, SEG, Expanded Abstracts, 382– 385, doi: https...
2022
Velocity model building and imaging driven by FWI with dual-azimuth data in a complex salt environment: Brazil case study
Xu Li, Christine Gans, Young Ho Cha, Diwi Snyder, Gopal Palacharla, Vijay Gottumukkula, Yaofeng He, Hongchuan Sun, Tetyana Vdovina, Xueyi Jia, Valeriy Brytik, Inmaculada Dura-Gomez
International Meeting for Applied Geoscience and Energy (IMAGE)
... normalization. Main VMB technologies included iterative FWI within a complex salt environment, and well log constrained tomography. Post-migration processing...
2022
What Are You Interpreting? Your Seismic Image Could Be Misleading You!
R. T. Newrick, E. P. Gomez, J. K. Pullishy, S. D. Jensen, J. M. de Armas
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
.... Depth imaging is an iterative process and the interpreter must be involved. As interpreters we must understand seismic processing, know which steps...
2006
Reducing Uncertainty Associated with Resource-in-Place Calculation Using Integrated Formation Evaluation, Geostatistical Analysis, and Geological Modeling, A Case Study in the Midland Basin
Ameneh Rostami, Brian Casey, Zoya Heidari
Unconventional Resources Technology Conference (URTEC)
... for reservoir characterization. This paper aims to (a) develop a method to integrate an iterative formation evaluation workflow with geological...
2020
Abstract: Non-Hyperbolic Reflection Tomography for Better Imaging and Interpretation, by Zhaobo Meng and Chengbin Peng; #90105 (2010)
Search and Discovery.com
2010
Abstract: Trace Interpolation and Elevation Statics by Conjugate Gradients; #90172 (2014)
Marcus Wilson, Robert J. Ferguson
Search and Discovery.com
...: Geophysics, 64, No. 4, 1067-1078. Margrave, G. F., and Ferguson, R. J., 1999, Prestack depth migration by symmetric nonstationary phase shift: CREWES...
2014
Simultaneous inversion of velocity and angle-dependent reflectivity
Nizar Chemingui, Yang Yang, Jaime Ramos-Martinez, Guanghui Huang, Dan Whitmore, Sean Crawley, Elena Klochikhina, Sriram Arasanipalai
International Meeting for Applied Geoscience and Energy (IMAGE)
... theory (Whitmore and Crawley, 2012; RamosMartinez et al., 2016). This approach enables iterative estimation of both velocity and earth reflectivity...
2023
Salt Delineation Using Vector Offset Output (VOO) of Full Azimuth Data
Yogesh Agnihotri, Qiaofeng Wu, Dekang Xu
GCAGS Transactions
... offset output (VOO) is often used for post-migration image enhancement in complex subsalt areas to reduce the coherent noise in the data and improve...
2015
Retrieving geological signal from full tensor gravity gradiometry data using source body migration
Colm Murphy, Richard Farnell, Chris Bellamy, Alan Morgan
International Meeting for Applied Geoscience and Energy (IMAGE)
... to less clear interpretations. We describe a method to overcome this challenge. Source body migration is used to identify the depth sensitivity...
2023
Reservoir characterization and associated uncertainties of a presalt carbonate field, Brazil offshore
Jaydip Guha, Hannah Wood, Martijn Blaauw, Caroline Scott, Cody Stewart, Lina Xu, Wenceslau P. Gouveia, Edward Follows, Runer Avila, Andrew Barnett, Josephine Wheeler
International Meeting for Applied Geoscience and Energy (IMAGE)
... Summary The studied field is located in the Santos Basin, offshore Brazil, some 200 km south of Rio de Janeiro and in approximately 2000m water depth...
2022
Extended Abstract: Subsalt Imagery Of The Dumre Area, Ionian Basin, Albania. , #90099 (2009)
Anne Jardin, Luan Nikolla, François Roure
Search and Discovery.com
... to 5000-5500 m/s for the evaporite and carbonate layers, resulting in distorted time seismic sections. Application of the depth migration processing...
2009
Sequence Stratigraphy and Structure of Plio-Pleistocene Sediments in Northeast Gulf of Mexico--An Example of Continental Slope Sedimentation, by A. N. Chowdhury, R. E. Sheriff, and D. C. Van Siclen; #90986 (1994).
Search and Discovery.com
1994
Abstract: Stratigraphic Forward Modeling and the Search for Stratigraphic Traps; #90319 (2018)
Abid Bhullar, Luisa A. Rebata Hernani, Ali Alali, Abdulaziz Alnoeem, Mustafa Hashim, Omer Aksu
Search and Discovery.com
... and migration in generating realistic volumes of trapped hydrocarbons. An iterative workflow was designed for updating the mutual interaction of the SFM...
2018
Seismic Imaging of the Overturned Limb of a Footwall Syncline in the Alberta Foothills of the Canadian Rocky Mountains and Its Impact on Exploration; #30533 (2017)
Andrew C. Newson
Search and Discovery.com
..., the sonic log information and tomographic velocities (turning rays). This was followed by an iterative loop of pre-stack depth migration and velocity updates...
2017
Abstract: Regional Velocity Reduction, by David Judson, Bruce Meadours, John Sherwood, Johann Sattlegger; #90976 (1976).
Search and Discovery.com
1976
Abstract: Integrated Seismic, Gravity, and Magnetic Approach for Mapping Subsalt Structures: An Example from the Red Sea, Saudi Arabia; #90254 (2016)
Ahmed Salem, Emad Muzayen, Dumitru Ion, Simon Campbell
Search and Discovery.com
... subsurface structures. Several depth-to-basement methods were applied to the magnetic data, to first map the regional depth-to-basement. The magnetic depth...
2016
Potential Shale-Oil Reservoirs in the Eastern Bighorn Basin, Wyoming; #11296 (2020)
B. Toelle, M. Pankau, R. Lynds, P. Tahmasebi
Search and Discovery.com
... that the Permian petroleum system has a high degree of thermal maturity, however, the drill depth to these formations make them currently uneconomic...
2020
Abstract: From Real-Time Model Update to Simulation Ready Predicative Models; #90314 (2018)
Aus Al Tawil
Search and Discovery.com
.... In reality, it is an exercise of mitigating geological and geophysical uncertainty through an integrated -and- iterative 3D Geological modeling workflow...
2018
New Imaging Results and Improved Interpretation of Late Triassic Depositional Features within the Browse Basin, North West Shelf of Australia
Jarrad Paul Grahame, Tran Thinh To
Australian Petroleum Production & Exploration Association (APPEA) Journal
..., carbonate play, Late Triassic, least-squares Q Kirchhoff pre-stack depth migration, Maxima 3D, North West Shelf, Scott Reef, time-lag full waveform...
2022
The Sub-Andean Fold and Thrust Belt in Southern Bolivia: Integrated Methodology and Regional Structural Implications
Search and Discovery.com
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