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The AAPG/Datapages Combined Publications Database
Showing 33,179 Results. Searched 200,636 documents.
Analysis of the impact of demigration on traveltime-based reflection full-waveform inversion
Hong Liang, Houzhu (James) Zhang, Hongwei Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
..., a migration/demigration process is usually utilized to model reflections in synthetic data. Furthermore, the low-wavenumber tomographic term of the RFWI...
2022
Improving the image below complex overburden geology with FWI and Q-tomography: A case study at Etame license area, offshore Gabon
Richard Huang, Chong Chung, Benjamin Cole, Ivan Berranger, Ika Novianti, Paul Ware
International Meeting for Applied Geoscience and Energy (IMAGE)
... matching QC before (a) and after (b) the FA-FWI. Kirchhoff migration QC shows its capability of decent positioning for fast bodies (d) from simple gradient...
2022
Shear-wave value for seismic imaging: Lupin 9C Seismic 3D Survey, Midland Basin, West Texas
Hermes Malcotti, Ranjan Dash, James Davenport, Gary Murphy, James DiSiena, James Gaiser
International Meeting for Applied Geoscience and Energy (IMAGE)
..., which critically impacts depth migration. Although S-wave splitting is weak, the fast polarization direction correlates with principal E-W stress...
2022
Monitoring and Imaging the Dynamics and Extent of Hydraulic Fracturing Fluid Movement Using Ground-Based Electromagnetics, With Application to the Eagle Ford Shale
Mark S. Hickey, Santiago Treviño, Mark Everett
Unconventional Resources Technology Conference (URTEC)
... of fluid migration during hydraulic fracturing. First, to predict the expected response using CSEM exploration techniques, we present results from...
2015
Full Waveform Inversion on Bekapai Field: A Game-Changer Technology for Our Seismic Imaging Workflows
Magali Beele, Clement Fleury, Claudio Strobbia, Muhammad-Thurisina Choliq, Jacques Bonnafe, Gilles Vallon
Indonesian Petroleum Association
... image (gas cloud area). The gas pockets strongly absorb the seismic energy, perturb the seismic image, and lower significantly the signal to noise ratio...
2014
The Impact of Multi-Azimuth Seismic Over Tidepole
D. Dickinson, S. Gagen
Petroleum Exploration Society of Australia (PESA)
... acquisition directions multi-azimuth anisotropic pre-stack depth migration was proposed. During the model building process the conventional residual moveout...
2013
Imaging the presalt with elastic FWI using OBN data
Gabriel Brando, Benjamin Huard, Luis Cypriano
International Meeting for Applied Geoscience and Energy (IMAGE)
...-suited seismic acquisition type, namely ocean bottom nodes (OBN). The full-azimuth coverage, long offsets, and high signal-to-noise ratio of OBN data...
2023
Development of Crestal Collapse Structures above Dissolving Salt Anticlines: Application to Seismic Interpretation within Salt-Controlled Basins, #41033 (2012)
Tom Randles, Stuart Clarke, Phil Richards
Search and Discovery.com
... known that accommodation zones play an important role in the migration of hydrocarbons across faults which would otherwise act as barriers to fluid...
2012
The Fate and Persistence of Aromatic Hydrocarbons Dissolved in Groundwater: Results from Controlled Field Experiments
J. F. Barker, E. A. Sudicky, C. I. Mayfield, R. W. Gillham, G. C. Patrick, K. L. Berry-Spark
Pacific Section of AAPG
..., toluene, ethlybenzene, and xylene isomers, as a group termed BTEX. When dissolved in groundwater, the migration and persistence of these organics can...
1989
Determining the Coal Bed Methane Distribution Based on Amplitude Variation With Offset (AVO) Analysis and Seismic Inversion: Case Study of Sumatra Basin
Padmadi Heru Wibawa, Abd. Haris, Suprajitno M.
Indonesian Petroleum Association
...). Specific joint impedance inversion, whereby both P and S reflectivity, are inverted by layer. The technique provides improved noise immunity, computational...
2007
FWI for the complex Walker Ridge salt province using streamer data
Dorothy Ren, Xin He, Siyun Xu, Fei Gao, Feng Lin, Jiawei Mei
International Meeting for Applied Geoscience and Energy (IMAGE)
...) to this streamer data, which gives a further improved velocity model with sharper salt boundaries and higher S/N, and better reverse time migration...
2022
Time-lapse crosswell seismic monitoring of CO2 injection at the Nagaoka CCS site using elastic full-waveform inversion
Rie Nakata, Nori Nakata, Aaron Girard, Masaru Ichikawa, Ayato Kato, David Lumley, Zique Xue
International Meeting for Applied Geoscience and Energy (IMAGE)
... significant challenges in applying full waveform inversion including suboptimal acquisition parameters, strong noise, source mechanisms...
2022
ADMM-based full-waveform inversion of ground-penetrating radar data
A. Jalali, H. S. Aghamiry, A. Gholami
International Meeting for Applied Geoscience and Energy (IMAGE)
...). GPR data is still processed by standard methods such as tomographic methods, velocity analysis, migration, etc. These processing methods use...
2022
Shaping the future of MMV in CO2 storage: a look at established and emerging technologies
Genna Petho, David Bason, Simone De Morton, Hadi Nourollah, Max Watson
Australian Energy Producers Journal
... that the behaviour and migration of CO2 in the reservoir Distributed fibre optics are understood and conform to Wellhead pressure monitoring predicted storage...
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
De-risking a Turkish Delight
Neil Hodgson, Anongporn Intawong, Karyna Rodriguez, Spectrum
GEO ExPro Magazine
... remained sitting on the sofa watching episodes of Friends on endless repeat, the advances in seismic imaging over the last 15 years, removing noise...
2019
Pressure prediction using converted shear waves from OBN data: A rock physics approach
Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser, Terence Krishnasami
International Meeting for Applied Geoscience and Energy (IMAGE)
... as noise and data on horizontal components are not considered during P-wave processing projects. We revisit the PS waves with the intention to understand...
2023
Quantitative Interpretation Reveals Prospectivity of the Kwanza Shelf, Offshore Angola
Roberto Ruiz, Cyrille Reiser, Avril Burrell, PGS, Jean Afonso Colsoul, Naire Judith Ricardo Cahumba Quenge, ANPG
GEO ExPro Magazine
... derived from 3D Kirchhoff Pre-Stack Depth Migrated (KPSDM) data, highlighting a possible migration route for hydrocarbons from a syn-rift source rock...
2021
Ultra-deep Jurassic acquisition technology and its application in dual-complex low SN ratio area, Qaidam Basin
Yongguo Wu, Zhenhua He, Di Wu, Yongsheng Wang, Chunrui Han, Hua Yao
International Meeting for Applied Geoscience and Energy (IMAGE)
... method is adopted (16L15S; Group interval: 30m; 3,000 folds). Using the effective folds of the geometry and its lateral noise attenuation ability...
2023
A Siamese network-based full-wave inversion: Application on real data
Omar M. Saad, Randy Harsuko, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... model using noise as input data. Subsequently, the parameters of the pre-trained models are iteratively updated, aiming to reconstruct an improved...
2024
Supervised vs unsupervised deep learning for time-lapse seismic repeatability enforcement
Son Phan, Wenyi Hu, Aria Abubakar
International Meeting for Applied Geoscience and Energy (IMAGE)
...), or dynamic time warping (Hale, 2013) are applied to post-migration images of both monitoring and baseline volumes, providing faster and more affordable...
2024
Time-lapse full-waveform inversion strategies for Snowflake datasets acquired at Newell County Facility in Alberta, Canada
Hyeong-Geun Ji, Kristopher A. Innanen, Sea-Eun Park, Ju-Won Oh
International Meeting for Applied Geoscience and Energy (IMAGE)
..., challenges such as noise and the non-repeatability of seismic data persist, posing significant difficulties in time-lapse FWI. The Newell County...
2024
Identification of Deltaic Facies with 3-D Seismic Coherency and the Spectral Decomposition Cube: A Study Form South Marsh Island Area, Gulf of Mexico
John A. Lopez , Greg Partyka , Norm L. Haskell , Susan E. Nissen
GCAGS Transactions
... signal to noise of the seismic may limit the usefulness of these attributes in some areas, rapid advances in seismic quality and more robust algorithm...
1997
Abstract: Macro-velocity Model Building in a Laplace-domain Waveform Inversion; #90174 (2014)
Changsoo Shin and Wansoo Ha
Search and Discovery.com
...-wavelength features, due to noise in the observed data. They resemble high-frequency residuals AAPG Datapages/Search and Discovery Article #90174...
2014
Monitoring, Verification and Accounting (MVA) Applied to CO2-EOR Projects; #41223 (2013)
Ronald W. Klusman
Search and Discovery.com
... migration at Rangely indicated an estimated improvement of the signal to noise ratio by a factor of five during winter measurements. A first-order estimate...
2013