1-20 of 2715
Keywords: information
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3900861
... of DL. In the second stage, GMNet is fine-tuned on the target field data by closed loops of inversion and forward models. Besides, the constraint information of physical property and structure has been added in GMNet to obtain a reasonable result. The experimental results demonstrate that the proposed...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3905663
... inversion figure 4 information Value of Elastic Full Wavefield Inversion in De-Risking Clastic Reservoirs in Presence of Noise Partha Routh*1, Soumya Nayak1, Jake Dorsett2, Kaushik Banerji2, Young Ho Cha1, Vijay Gottumukkula1, Gopal Palacharla1, Vikas Gudipati1, Ramesh (Neelsh) Neelamani1, Seth Conway1...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3901080
... gradient information, like the Gauss-Newton method, is only feasible with an accurate and fast method to calculate sensitivities, a critical and time-demanding task in inverse problems. Here, an efficient solution is discussed that generates accurate sensitivities using a 3D Vector Finite Element program...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3907380
... INCT-GP/CNPq Instituto Nacional de Cie ncias e Tecnologia em Geof´ sica do Petro´leo, Brazil SUMMARY Marchenko multiples elimination (MME) is a data-driven scheme able to attenuate internal multiples of all orders without velocity information. However, in order to work effectively, it requires...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3908217
... quantification (UQ) is important for geophysical inversion because it measures the confidence in the results and allows one to assess the value of information in data. However, the cost of accepted methods for UQ ranges from high to prohibitive and it is often difficult to estimate noise levels and insert prior...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3905968
..., and provision of deep resistivity information. By jointly inverting electromagnetic and seismic data, complementary information from both datasets is integrated, ameliorating the non-uniqueness issue and enhancing the accuracy and reliability of the inversion results. However, existing joint inversion...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3904696
... to be non-trivial and non-efficient for large-scale FWI problem. To solve these issues, we introduce the adaptive gradient-based MCMC algorithm, in which the step length is automatically tuned to optimize the sampling efficiency. Furthermore, other than Hessian information, the posterior covariance matrix...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3904704
... of strong randomness and low lateral continuity (Yin et al., 2014; Sams and Saussus 2008, 2010). Research on how to make full use of the reservoir parameter information carried by seismic data has become an important direction for realizing high-resolution exploration. Stochastic inversion was first...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3899844
... is the large number of spatial sampling stations distributed uniformly as required by the Nyquist sampling. To overcome this challenge, we propose a new sampling strategy referred to as ergodic sampling theory. Ergodic sampling requires only a subset of samples but can obtain nearly the same information...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3905013
... into consideration when using it for keyword analysis, which could include plagiarism and copyright issues. Despite these risks, ChatGPT is a powerful tool that can be used to quickly and effectively analyze text and extract meaningful information. Introduction Artificial Intelligence (AI) is a field of computer...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3904192
... applied encompassed five main processes, where several types of seismic anisotropy attributes were estimated, and subsequently evaluated by comparing with fracture information at several well locations. Mismatch in some intervals was addressed by incorporating stress estimations, as well as seismic data...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3908538
... acquisition exploration geophysicist energy 10 information expanded abstract zhang computational reconstruction Computational Geophysical Acquisition (CGA) as an enabler of geophysical solutions Mengli Zhang* and Yaoguo Li, Center for Gravity, Electrical, and Magnetic Studies (CGEM), Department...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3908981
... geological information carried by the PP wave and SH-SH wave to obtain seismic elastic parameters and reservoir parameters. Joint inversion provides a reliable geophysical basis for high-precision seismic inversion and reservoir description. In this paper, the contribution of reflection coefficients...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3909788
...-stack seismic data, whilst leveraging the information provided by a limited number of available training wells. Provided the availability of both petrophysical and elastic well logs, this method bypasses the need for creating a rock physics model and instead learns directly from the data. In this work...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3908968
... Advancements in geophysical inverse problem-solving are crucial for extracting reliable information and quantifying uncertainties. Traditional regularization techniques are instrumental in stabilizing these ill-posed problems, imposing additional constraints to control solution non-uniqueness...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3909078
... adjacent to the well. We utilize the pseudo-Kriging interpolation method to establish a priori information with seismic waveform indication in different frequency bands. The a priori models at different frequency bands are integrated in the frequency domain to obtain the final required elastic parameter...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3909724
... borehole information american association delineating energy 10 anomaly engineering operation application parametric inversion Delineating buried metallic pipes using borehole magnetic data in civil engineering Hyoungrea Rim 1,2, Mengli Zhang* 2 and Yaoguo Li 2 1Department of Earth Science...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3911408
... Reflection waveform inversion (RWI) is a well-known technique used to recover deep velocity models by utilizing reflection data. However, RWI is inherently an ill-posed inversion problem and incorporating prior information can help reduce the null space and improve the conditioning...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3911494
...., 1979), c) experimenting with alternative supports to seismic reservoir characterization approaches (Luoni and Fervari, 2006; Bao et al., 2022), to reduce the information gap generated by some lacks of elastic information (Fig.1 Relative Acoustic Impedance, bottom display). The well to seismic tie panel...

Product(s) added to cart

Close Modal