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Keywords: mapping
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Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751790
... GPR mapping was carried out on MTU Lake to understand the depth of the water body and also map possible wreckage or abandoned materials during the construction of a concretized bridge. 80 and 160 MHz antennae were deployed and the mapped time ranges from 30 to 160ns with a corresponding depth...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3749793
... Emphasizing geological features outlines is one of the seismic interpretation objectives. The spectral decomposition process allows extracting the distinctive frequencies encompassing an energetic maximum relative to a geological target and mapping it through a Red-Green-Blue viewer...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3750587
... propose picking t * from premigration data, computing a data-domain 1/ Q ≈∂ t */∂ t , and mapping t * and 1/ Q to image domain by depth migrations. For low-dip and gently varying earth models, test results show that common-image-point (CIP) gathers of 1/ Q so obtained yield reasonable 1/ Q models...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3750705
... Standardized geological mapping is paramount for understanding available resources, developing a long-term plan of land use and management, and can lead to new ore discoveries. These are some of the reasons that explain why geological mapping is important for multiple stakeholders, including...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3747493
... these effects, we train a deep convolutional network to learn a mapping from elastic to acoustic seismic shot gathers. We also train a separate network to learn the opposite mapping from acoustic to elastic data. On realistic 3D synthetic and 3D marine field data, we show that both approaches mitigate elastic...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751025
... society international communication aminzadeh applied geoscience energy 10 contribution mapping Optimizing decision-making processes in Sustainability and ESG: How a digital approach transforms strategic areas of oil and gas Maria Angela Capello*, Red Tree Consulting LLC and Fred Aminzadeh, FACT...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583399
... a mapping between these two and show how high quality seismic can be modeled from the uniform blocks of a reservoir model. The key steps are geometrically handling the different models and Fourier surface modeling of the resulting multi-scale grid. We demonstrate this approach on a complex reservoir/ geo...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583664
... Accurate interpretation of salt structures plays an important role in hydrocarbon exploration. Over the years, several methods have been applied to mapping salt structures, including seismic, gravity and magnetic. The gravity and magnetic methods in particular have the advantages of low cost...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3584073
... Airborne electromagnetic surveys provide spatially extensive resistivity information that can be useful for groundwater salinity mapping; however, the transformation from geophysical data to salinity interpretations carries uncertainty. We compare two quantitative approaches to salinity mapping...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594654
.... In this abstract, we present a few applications of our ambient noise surface wave tomography (ANSWT) for cover mapping at different scales. Two examples of mineral exploration are presented as well as an application used for seismic hazard characterization. All three results are ground-truthed using borehole...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594831
... in mapping the subsurface to find and evaluate resources, or to monitor the utilization of groundwater, can be applied for a variety of objectives that include not only the understanding of hydrocarbon reservoirs but also for the understanding of potential carbon storage and sequestration sites...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3425261
...Joint seismic and electromagnetic inversion for reservoir mapping using a deep learning aided feature-oriented approach Yanhui Zhang and Mohamad Mazen Hittawe, King Abdullah University of Science and Technology; Klemens Katterbauer and Alberto F. Marsala, Saudi Aramco; Omar M. Knio, and Ibrahim...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3425487
...Common Risk Segment (CRS) mapping for communicating subsurface uncertainty & risk Brian Lynch and Graham Brew*, Dynamic Graphics Inc. Summary production workflow is: How best to accurately communicate this information? In other words, how can we Capturing and communicating the uncertainty...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428268
... total magnetization direction was obtained by a equivalent layer of dipoles with the positivity constraint on the magnetic-moment distribution. Our method determines the remanent magnetization direction as the minimum of the discrete mapping of a function defined as the L2 norm of the difference between...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428431
..., ground-truth, or reliable interpretation. We discuss the pros and cons of deeplearning approaches versus solving inverse problems, guides by an aquifer mapping example from Arizona, based on airborne geophysical data and geological maps. Presentation Date: Tuesday, October 13, 2020 Session Start Time...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215240
... ABSTRACT To detect and map hydrocarbons contamination from shallow underground spills in complicated areas crossed with networks of pipes and tanks such as a refinery, the GPR was used in a Common Source Point (CSP) configuration, resulting as a promising method. The CSP method estimates...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214088
... clustering, and supervised Bayesian classification to a seismic data volume from the Delaware Basin. We also examine some less common clustering techniques applied to seismic attributes including independent component analysis (ICA), self-organizing mapping and generative topographic mapping. We find...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214518
... ABSTRACT 3D DAS VSP acquired in south central Texas are processed for P-wave and PS-wave imaging. Ray tracing with a one dimensional velocity model is used to compute traveltimes for moveout correction and common reflection point (CRP) mapping used for the final stacks. The CRP mapping...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216264
.... The problem is old and has different solutions. A new geostatistical method is presented, which is based on a variation of Kriging with variance of measurement errors. The variance of measurement error is here defined for each profile, which allows reducing mis-ties and uncertainty. The generated Time maps...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214939
... ABSTRACT Electromagnetic methods are established tools alongside gravity and magnetics for non-seismic mapping of crystalline basement. Accurately mapping the boundary between sedimentary cover rocks and the crystalline basement has implications for hydrocarbon prospectivity of a basin. We...

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