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Keywords: variation
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Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4079221
... of the A-H model overestimates the water velocity, whereas the water velocity in the seasonal thermocline layer is up to 2 m/s lower than what these recent measurements indicate. In order to account for these discrepancies, I introduce two new models, one of which includes average seasonal variations...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4082975
... and variations of aperture with offset, depth and dip angle studied. relation aperture prestack time prestack migration aperture reservoir characterization exploration geophysicist reflector migration aperture geology dip angle migration ellipse unmigrated data summary geologist correct...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4086029
... decomposition along the target layer is performed based on the generalized S-transform with 5-coefficient wavelet. Compared with the single-channel spectrum decomposition, this method can highlight the lateral variation of geologic bodies and depict lithologic boundaries. Then, 3D spectrum decomposition along...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4100639
... The amplitude versus azimuth (AVAZ) method based on the variation of amplitude with azimuth has shown good predictive performance for small-scale fractures. However, there are few fracture prediction methods based on post-stack seismic data (Bakulin et al., 2000; Bachrach et al., 2009; Barone...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4100740
...-density and small-samplingrate 3D UHRS data. Key steps include achieving a broadband wavelet via data-driven deghosting and designature techniques. Accurate statics computation addresses challenges arising from sea state variations, ensuring clear and sharp reflections. The demultiple step, utilizing...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101114
... horizontal derivative variation magnetic low andrew katumwehe plate tectonics fold and thrust belt applied geoscience & energy 10 american association study area Unraveling the tectonic elements of the Bengal Basin through the analysis of gravity and magnetic data 1Md Iftekhar Alam*, 2Andrew...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101550
... association thickness amplitude variation amplitude time loop thickness loop thickness Seismic signal considerations for fast reservoir characterization Folkert Hindriks*, Shell Global Solutions International SUMMARY Seismic reservoir characterization is typically limited by the bandwidth...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4090177
... simulation frequency variation petroleum geology equation spectral element method american association weighting function wave simulation Viscoacoustic wave propagation: Spectral-element simulations with a novel GSLS-type wave equation Yu Chen*, Bin He, and Hejun Zhu, The University of Texas...
Proceedings Papers
Vincent Durussel, Jianxiong Chen, Abhishek Raj, Bartosz Szydlik, Markos Sourial, Joseph Rafik Hanna, Gabriel Mattei, Leslie Bartsch
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4090464
..., and variations in coverage near the platform due to expanded production infrastructure. The evolving 4D program also utilized dual-component streamer for one survey which added additional complexity in the 4D processing workflow. The study investigates these issues and details the development of advanced 4D...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4091564
... density variations over time. These gravity measurements complement insights obtained from EM techniques, providing valuable information on bulk CO2 movement within the reservoir. carbonate rock rock type structural geology reservoir characterization petroleum geology simulation geologist...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4091851
... applied geoscience node system noise random noise attenuation noise level noise economic geology noise attenuation variation exploration geophysicist signal perturbation receiver american association From geophone arrays to point receivers: implications for sensor and land survey design...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4092143
... on simulations and a synthetic feasibility study, here focusing on VSP acquisition configurations. subsurface storage artificial intelligence climate change monte carlo geologist variation co 2 bayesian inference geological subdiscipline baseline posterior application exploration geophysicist...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4092418
.... These events are generally considered to be associated with magmatic fluid flow activity. A total of 994 pairs of high-quality individual local S-wave splitting measurements were obtained to study spatiotemporal variations of stress and fluid migration associated with the eruption. In the northeastern section...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4092676
... production monitoring petroleum geology production control passive recording economic geology production logging reservoir characterization north sea variation applied geoscience & energy 10 american association frequency cable application geologist reservoir surveillance geological...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4092988
..., the updating of Vp by conventional techniques can become unprecise and critical. geologist clastic rock structural geology modeling brazilian geophysical society reservoir characterization rock type scenario vp modeling sedimentary rock salt tectonics santos basin presalt reservoir variation...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4094231
... and amplitude variations are implemented to track movement of both reservoir gas and water associated with production. Spectral attributes are used to indicate facies discrepancies throughout the reservoir that may affect fluid flow behavior. Geometric attributes are used to elucidate any previously overlooked...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4094554
.... geologist separation gaussian distribution reservoir characterization source technology simultaneous source technology applied geoscience & energy 10 geology irregularity dither source separation quality separation quality iteration noise interference variation random number exploration...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4098149
..., and geometrybased flattened to the ocean bottom for stratal slice generation. Initial findings suggest that lithological variations and frequency content variations due to channel incision thickness significantly influence channel visibility within specific attributes and the machine learning clustering results...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4098702
... Pre-stack seismic gathers consist of sequentially arranged traces, capturing subsurface geological observations from varying offsets or azimuths. The variations between these pre-stack traces are crucial for characterizing reservoir lithology and fluid properties, necessitating emphasis in pre...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4100439
... and variations of the subsurface media and amplitude variation with angle/offset (AVA/AVO) response of a porous reservoir partially saturated by hydrogen and brine. During our test, we found that porosity, hydrogen saturation, and fluid distribution pattern (patchiness) strongly impact the behavior of seismic...
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