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The AAPG/Datapages Combined Publications Database
Showing 16,595 Results. Searched 195,688 documents.
Combined P and S Waves Survey for Hydrocarbon Exploration
Basuki Puspoputro
Indonesian Petroleum Association
..., the position of common reflection point (CRP) and normal moveout corrections (NMO). The differences are caused by the distinct raypaths of P-wave and P/SV...
1990
Combined Diving Wave Refraction Tomography and Reflection Tomography for PSDM Velocity Model Building (Bekapai Field, Indonesia)
Andi Kusuma, Florent Bertini, Jacques Bonnafe, Artem Sazykin, Swee Leng Ng
Indonesian Petroleum Association
... with picked PSTM velocity field and (3) updating the PSDM initial velocity model using a grid-based reflection tomography algorithm. METHODOLOGY The key...
2011
High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration
Jianping Huang, Jidong Yang, Tengfei Lin, Zhenchun Li, and Liang Chen
AAPG Bulletin
..., and then applies a coherent stacking to implement constructive summation for angle-domain common-image gathers. The new LSM scheme enables us to reduce the artifacts...
2023
Abstract: Rock Physics guided Earth model building and Sub-salt angle gather tomography for imaging and pore pressure; #90254 (2016)
Bhaskar Deo, Mohamed F. Doheim, Mahmoud Ahmed, Abdallah Ibrahim, Hany Hussein, Christoph Koeninger, Yousry Ibrahim, Hatem Ewida
Search and Discovery.com
.... In this study we constrain the subsalt tomography using geology in conjunction with thermal history modelling and rock physics principles. This is referred...
2016
Seismic Reservoir Characterization of the Bone Spring and Wolfcamp Formations in the Delaware Basin with Efforts at Quantitative Interpretation - A Case Study
Satinder Chopra, Ritesh Kumar Sharma, James Keay
Unconventional Resources Technology Conference (URTEC)
... velocity field using well-log data, the usual practice is to low-pass filter (<10 Hz) the available sonic well-log curves and use one or more...
2019
A Simple Guide to Depth Conversion: Part I
Ashley Francis
GEO ExPro Magazine
... Reservoir Sources of Velocity Measurements Seismic reflection data records the two-way travel time (TWT) to a reflection event from the surface. Depth...
2018
Seismic Processing in the Papua New Guinea Fold Belt - Recent Experience
N. J. Fisher, F. R. Nicholson
Papua New Guinea (PNG) Petroleum Convention Proceedings
... produced, the mute could be picked from common-offset gathers for a particular velocity function as part of the iterative processing flow (discussed below...
2000
Abstracts: Feasibility of 4D Multicomponent Seismic Methods for Monitoring CO2 Storage in the Redwater Leduc Reef, Alberta; #90173 (2015)
Taher M. Sodagar and Don C. Lawton
Search and Discovery.com
... Ricker wavelet for the PS data. Then, the shot gathers were processed by converting the trace headers from shot point to CDP (Common Depth Point...
2015
-- no title --
user
Search and Discovery.com
... on the image gathers, and complex horizon geometries, automated velocity-model-building tools fail to produce an optimum velocity model for TTI...
Unknown
-- no title --
user
Search and Discovery.com
... on the image gathers, and complex horizon geometries, automated velocity-model-building tools fail to produce an optimum velocity model for TTI...
Unknown
Marchenko-based internal multiple attenuation feasibility analysis for a thin-layered media in ultra-shallow water OBN from offshore Middle East
Frederico Xavier de Melo, Suyang Chen, Luis Salinas, Shotaro Nakayama, Nozomi Yamamoto
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the Marchenko-based and adaptive matching approaches. Figure 5 shows common image-point (CIP) gathers before, after and the estimated internal multiples during...
2023
A Practical Review of Migration Issues and Solutions; #40723 (2011)
Ian F. Jones
Search and Discovery.com
... in the gathers, 2) using the current velocity model to compute the surface location take-off (emergence) angles and via ray-tracing in conjunction with the travel...
2011
Potential of FWI imaging for shallow turbidite shadow zone: A case study
Swarup Sarkar, James Sheng, Faqi Liu, Daniel Davies, Roy Ha
International Meeting for Applied Geoscience and Energy (IMAGE)
... utilized including the flatness of common image gathers. By taking the directional directive along the structure to the FWI velocity model, an FWI...
2023
Predicting Facies, Rock, and Geomechanical Properties Using Convolutional Neural Networks: A Case Study From an Unconventional Shale Reservoir
Ted Holden, Ruth Kurian, Mohammed Ibrahim, Daniel Hampson, Jonathan Downton
Unconventional Resources Technology Conference (URTEC)
...) Synthetic angle gathers are then generated for each pseudo-well using a convolutional model in which the P-wave reflection coefficients calculated using...
2023
Abstract: Improving Reservoir Imaging with Time-Lag Fwi in the Partitioned Zone Between Kuwait and Saudi Arabia; #91204 (2023)
Art Petrenko, Trevor Coulman, Guangfu Shao, Ibrahim Hakam, Mohammed Almutairi, Sujoy Ghose, Kai Zhang
Search and Discovery.com
... from shallow to deep, using both refraction and reflection energy. The final 24 Hz TLFWI achieved a high-resolution velocity model and improved seismic...
2023
The need of elastic RTM for elastic FWI models
Hui Huang, Zedong Wu, Xue Xiao, Zhigang Zhang, Ping Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... FWI Image gathers for AVA analysis (Warner et al., 2022) would further increase the compute cost significantly. Due to these reasons, RTM still plays...
2023
The Effects of Seismic Data Conditioning on Pre-Stack Simultaneous Impedance Inversion
Scott W. Singleton
GCAGS Transactions
..., and S. Legleut, 2007, Common-angle processing using reflection angle computed by kinematic pre-stack time demigration: Society of Exploration Geophysicists...
2008
Evolution of Offshore Seismic Exploration: ABSTRACT
W. Harry Mayne
AAPG Bulletin
... by the advent of the common reflection point method, and the Lamont-type air gun has become the most popular present-day source. Concurrently, the vessels...
1982
Deep compressed learning for 3D seismic inversion
Maayan Gelboim, Amir Adler, Yen Sun, Mauricio Araya-Polo
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Sacchi, 2020, Automatic velocity analysis using convolutional neural network and transfer learning: Geophysics, 85, no. 1, V33–V43, doi: https://doi.org...
2023
Abstract: Determining the Structure of Basalt Flows with Wide-Angle Seismic Data, by M. M. Fliedner, R. S. White, and J. Fruehn; #90923 (1999)
Search and Discovery.com
1999
Structure-and-Amplitude-Preserving Multi-Channel Deconvolution
Search and Discovery.com
...., Expanded Abstracts, 1176-1179. Sacchi, M. D. and T. J. Ulrych, 1995, High-resolution velocity gathers and offset space reconstruction: Geophysics, {\bf 60...
2013
Azimuthal Anisotropy A New Interactive Approach Leads to More Accurate Imaging
Graeme Eastwood
Petroleum Exploration Society of Australia (PESA)
..., is used for picki ng the anisotropy parameters using the prepared supergathers. The anisotropy analysis operates much like conventiona l velocity...
2012
ABSTRACT: Identification of a Pressure Compartment Boundary with Seismic Reflection Data in the Alberta Basin, Alberta, Canada, by D. T. Maucione and R. C. Surdam; #91019 (1996)
Search and Discovery.com
1996
Subsalt Imaging: An Integrated Approach to Image Improvement of Vintage Data
Search and Discovery.com
N/A
High Performance Computation by Graphics Processor Unit Technology for Geophysical Seismic Signal Processing, #40727 (2011)
Sunjay Sunjay
Search and Discovery.com
...-of-the art direct solver for large sparse systems of linear equations results in considerable speed-up. Using the GPU-enhanced solver for interior point...
2011