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The AAPG/Datapages Combined Publications Database
Showing 17,714 Results. Searched 200,691 documents.
Comparison of Multi Azimuth 3D Survey With Conventional Single Azimuth Survey in a Complex Geological Area
Andrea Bergamaschi, Michele Buia
Indonesian Petroleum Association
... wells with confidence. The main geophysical challenges of the area include strong 3D multiples, poor illumination at target level and limited signal...
2009
High resolution imaging by dynamic matching FWI in the presence of AVO effects
Fuchun Gao, Shuqian Dong, Yang He, James Sheng, Faqi Liu, Bin Wang, Carlos Calderon, Yuriy Ivanov, Fanny D. Marcy, Ole E. Aaker
International Meeting for Applied Geoscience and Energy (IMAGE)
... at the boundaries between the synthetic and field data. Please note that multiples in the observed data are inverted too to update model for better...
2023
ABSTRACT: Attenuating Seismic Interference Noise Using a Dual Sensor Streamer, by Caselitz, Bertrand; Monir, Emad; Halim, Abdallah; #90141 (2012)
Search and Discovery.com
2012
VSP Data in COmparison to toher Borehole Seismic Data, by Robert J. Brewer #40059
Search and Discovery.com
N/A
The Use of Physical Modeling to Resolve Offshore Seismic Problems
B. J. Evans, M. Urosevic
Indonesian Petroleum Association
... over the model. To build a model of the Oliver Field and simulate seismic parameters, resins were used to construct the geological structure between...
1995
Illuminating Asset Value at Mad Dog through New Seismic Technology
Michael J. Staines, Scott Michell, Dean Chergotis, and John Sharp
GCAGS Transactions
... velocity model was incorrect, mainly due to ambiguous interpretations of salt. Artifacts from multiples and gaps in the illumination...
2008
Abstract: Subsalt Seismic Modeling and Illumination Analysis in Red Sea Transition Zone; #90254 (2016)
Ewenet Gashawbeza, Hongwei Liu, Saleh AL-Saleh
Search and Discovery.com
... velocity field, acquisition geometry, and a high fidelity algorithm. In this study, two modeling techniques were used: (1) ray-based that is fast...
2016
Abstract: Nisku Multiple Attenuation with Interpolation and Sparsity: A Case Study; #90172 (2014)
Lee Hunt, Scott Reynolds, Mark Hadley, Scott Hadley, Mike Perz, Ye Zheng
Search and Discovery.com
..., and are contaminated with short period multiples. The advent of high resolution sparse Radon Transform multiple attenuation techniques allows us to examine...
2014
Abstract: Rock Physics and AVO Mapping of Lithofacies and Pore Fluid Probabilities: Niger Delta; #90255 (2017)
Ibukun Olorunniwo, Sunday Olotu, Moses Olorunniwo, Adekunle Adepelumi
Search and Discovery.com
..." Oil Field, Niger Delta. Statistical crossplots of Gamma Ray (GR) log versus P-wave velocity, Relative Impedance (RI) versus GR log and histogram...
2017
Probabilistic Reservoir Characterization via Seismic Elastic Inversion in East Andaman Basin; #40880 (2012)
Mahendra Kishore, Pritam Jha, Dino Ros, and Alfonso Iunio Marini
Search and Discovery.com
... a-priori information coming out from the analogue basin wells. Due to possible differences in burial history between the Andaman and the analogue...
2012
Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014)
Jianhua Pan
Search and Discovery.com
.... In practice, both wavefields travel up and down when the velocity model is complex. This generates turning rays and multiples. In addition, the one-way WEM...
2014
Risk Reduction on the Ivory Prospect via Geologically Constrained Non-Parametric Inversion and Bayesian Uncertainty Estimation on a Fault-Bounded Reservoir, #11039 (2018).
James Raffle, Thomas Earnshaw, Stuart Greenwood, Jeet Singh, Juergen Fruehn, Claudia Hagen, Ian F. Jones, Rodrigo Felicio, Zhijiang Luo, Doug Sassen, Svein Idar Forsund, Mark Ackers, Lars Aamodt
Search and Discovery.com
... for deghosting and demultiple. A cascaded 2b 3D and 2D SRME demultiple approach was used to target free surface multiples which dominated the target...
2018
Structure and Stratigraphy of the Porcupine Basin: Relationships to Deep Crustal Structure and the Opening of the North Atlantic: Chapter 29: European-African Margins
Peter F. Croker, Simon L. Klemperer
AAPG Special Volumes
..., T-Triassic, M-Moho. Question marks show the zone in which it is difficult to distinguish primaries from multiples at the present stage of processing...
1989
Detection of Fluvial Reservoir Sands Using Rock Physics and Simultaneous Inversion: Case Study from the Gulf of Thailand
Mirza Naseer Ahmad, Philip Rowell
Indonesian Petroleum Association
... relatively low density and low P-wave velocity as compared to shales. As depth increases P-wave velocity contrast between sand and shale decreases...
2013
High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration
Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen
AAPG Bulletin
... compared with the adjoint migration, and the CSB-LSM produces slightly better images for the inaccurate velocity model. The multiple scattering between...
2024
Amplitude Versus Offset (AVO) Analysis: Part 7. Geophysical Methods
Allan T. Long, R. C. Anderson
AAPG Special Volumes
... to overcome the various noises in the system? Are there sufficient differences between geological conditions and seismic expressions to distinguish...
1992
3-D Integration of Seismic, Well and Gravity Data for Sub-Salt Modelling, Validated by Drilling
Search and Discovery.com
N/A
Impact of full-wavefield inversion (FWI) based high-resolution model building and Q imaging on exploration and development at Guyana Stabroek
Fuxian Song, Patrick Monigle, Jia Yan, Vikas Gudipati, Xu Li, Sunwoong Lee, Sam Hemmings-Sykes, Ashlika Persaud, James Pape, Lee E Gilchriest, Amir Abdi, Emily Lalli, Anupama Venkataraman, Ramesh Neelamani, Steve Knapp, Krista Solvason
International Meeting for Applied Geoscience and Energy (IMAGE)
... and Operto, 2009). Between each stage, QC migrations were run to check well ties and perform velocity adjustment if needed. Due to the offset-to-depth ratio...
2023
Practical Application of Adaptive Least-Squares Reverse Time Migration (LSRTM) to Advance Field Development and Uncover New Reserves in the Subsalt Provinces
Chong Zeng, Shuqian Dong, Zhaohong Wu, Jean Ji, Darrell Armentrout, Bin Wang
GCAGS Transactions
... constrained dynamic warping to correct the misalignments between synthetic and input waveforms due to short-wavelength velocity errors. The waveform...
2016
DDR: The Technology of Simultaneous Wave Field Analysis and Velocity Model Reconstruction
A. Reshetnikov, A. Tabakov, A. Mukhin, V. Eliseev
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
...DDR: The Technology of Simultaneous Wave Field Analysis and Velocity Model Reconstruction A. Reshetnikov, A. Tabakov, A. Mukhin, V. Eliseev DDR...
2006
Passive Margins: Seismic Stratigraphy of Carbonate Platform Sediments, Southwest Florida
D. Bradford Macurda, Jr.
AAPG Special Volumes
... sec; Figure 1). If there are any multiples present, they tend to parallel the primary reflectors and it is difficult to differentiate between them...
1987
Abstract: Multiple Incision Levels in Al Shaheen Field Offshore Qatar, by Radmila Pedersen-Tatalovic, Maj Wendorf, Frans S. van Buchem, Michael Emang, and Noureddine Bounoua; #90105 (2010)
Search and Discovery.com
2010
ABSTRACT: Using Dual-Sensor Streamers to Address Seismic Imaging Challenges in OML 133, Offshore Nigeria; #90115 (2010)
Chris Tapie, Yvonne Paisant, Per Eivind Dhelie, and Robert Lory
Search and Discovery.com
... diffracted multiples that occur at the same time as the reservoir. Consequently, survey designs using conventional marine streamers must balance the desire...
2010
Basin-Scale Rock Physics Study and Stochastic AVO Modelling for the Deep Water Kutei Basin (East Kalimantan Indonesia)
Gabriela Carrasquero, Alessandro Amato del Monte, Fabio Luoni, Paolo Battini, Gilbert Del Molino, Fabri Ikhlas Gumulya, Dedy Sulistiyo Purnomo, Nasif Khifni
Indonesian Petroleum Association
... wells. (b) Crossplots of density versus P-wave velocity (coloured coded by gamma ray) with overlaid Voigt and Reuss bounds and between P-wave velocity...
2014
How to Improve the Definition of Seismic Reflection Data
D. Michon, R. Garotta
Indonesian Petroleum Association
..., the seismologist wavers between two directions. Firstly, he wants to have and to maintaine the highest possible signal-to-noise ratio. Secondly, he wants to obtain...
1979