1-20 of 682
Keywords: accuracy
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

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-2022-3750539
... To improve the accuracy of carbonate reservoir property prediction, well data such as core, thin section and well logging data had been mainly adopted conventionally. Although the reservoir classification in term of property is determined, but it is generally difficult to realize 3D prediction...
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-2022-3750676
... This paper proposes an enhancement to the accuracy of the Fourier Finite Difference (FFD) method used in the one-way wave equation. Errors associated with FFD can be magnified in media with strong lateral variations in velocity. To reduce the magnitude of these errors, the reference velocity...
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-2022-3750851
... was applied to the Hydraulic Fracture Test Site 2 (HFTS-2) dataset and achieved 93 % accuracy on fracture hit detection. This study is a valuable example of an automated fracture-hit early-warning system, and provides a versatile labelled dataset for future LF-DAS fracture hit research. neural network...
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-2022-3746823
.... upstream oil & gas machine learning refraction interferometry artificial intelligence interferometry algorithm dbscan traveltime accuracy enhancing amplitude correction reservoir characterization svi picking geophysics application supervirtual refraction interferometry snr king fahd...
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-2022-3747530
..., or a label of 0 otherwise. The trained network trained on such patch data is able to correctly discriminate patches with pipeline signature from those with no pipeline signature with high accuracy. united states government north america government deep learning pipeline neural network artificial...
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-2022-3747928
... Seeing the geology of the subsurface with accuracy and resolution remains a big challenge for seismic imaging. We present the GeoMind, an approach that can predict velocity models directly from the raw seismic data. Geologists use their prior information about an area, wells, and outcrops...
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-2022-3738301
... geoscience energy 10 high-order polynomial accuracy summary reservoir characterization exploration geophysicist equation society 3D large residual static corrections based on first breaks in CMP gather Feng Faquan*, Deng Zhiwen, Cai Xiwei, Hu Chaojun, Huang Yuanyi, Zou Xuefeng, Du Zhongdong, Wang...
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-2022-3751145
... scales further improves the prediction accuracy. We demonstrate that the proposed architecture can provide high accuracy interpolated results for both synthetic and field data. For real data, we also test the hypothesis that an FC-NN trained to interpolate the streamers at a given spacing can also...
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-2022-3746075
... The landing process of horizontal wells requires high accuracy of depth prediction. In the region with severe lateral velocity variation, the accuracy of the traditional method of predicting depth by using the time-depth relationship of exploration wells cannot meet the demand at all...
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-2022-3746166
... ying xiongling exploration geophysicist reservoir characterization geometry applied geoscience imaging high-efficiency auxiliary operation hinterland qaidam basin mountain accuracy convergence accuracy energy 10 society High-density 3D acquisition technology and Its Application in dual...
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-2022-3746172
... energy 10 fillippone formula algorithm application accuracy mudstone gypsum mudstone Application of formation pressure prediction technique based on high-density threedimensional seismic constraints in complex structural zones Yu Baoli, Liu Keyu, China University of Petroleum (East China); Li...
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-2022-3746208
... For the exploration and development of complex fault fracture reservoirs, the traditional seismic fault prediction methods can not meet the needs of accurate characterization of different scale faults. Aiming at the problems of low fault imaging accuracy, high uncertainty and strong multi...
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-2022-3751329
.... seismogram correlation coefficient exploration geophysicist applied geoscience reservoir characterization wavelet ddi accuracy upstream oil & gas synthetic seismogram expanded abstract american association matrix inversion international seismic inversion equation time-domain wavelet...
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-2022-3751381
... Lithofacies identification is a complex problem involving many different challenges such as null values, low accuracy and missing logs. Previously proposed solutions have low levels of accuracy for different lithofacies, need continuous tinkering of hyperparameters and expert understanding...
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-2022-3751804
... the accuracy of first arrivals picking. However, it is impossible to realize 100% accuracy no matter how advanced the DL architecture is. Unfortunately, researchers put little effort into differentiating seismic traces, which have “accurate” first arrivals picking, from seismic traces that have “inaccurate...
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-2022-3751887
... Downhole Distributed Acoustic Sensing (DAS) fibers lie within close proximity to microseismic events, and thus are able to detect events with very high resolution and accuracy. With this high resolution comes a substantial amount of data several terabytes (TB) in size over a few days worth...
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-2022-3751935
.... The uncertainty of the forward simulation is evaluated by the Monte-Carlo method. The efficiency and accuracy of the surrogate are validated using synthetic data of ultra-deep directional electromagnetic logging measurements. Compared to rigorous numerical methods such as the finite difference and the finite...
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-2022-3744948
... with the generalized moveout approximation (GMA) for both P-and S-waves are described in the numerical examples. Our proposed approximation shows higher accuracy than that of the GMA counterpart for P- and S-waves. The error sensitivity of P- and S-waves in vertical velocity ratio and the value of the anellipticity...
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-2022-3744966
... is derived. Through accuracy analysis, it is verified that the newly obtained second-order viscoelastic reflection coefficient has higher accuracy and can describe the seismic wave propagation in complex media more accurately. On this basis, a set of pre-stack seismic nonlinear frequency- dependent inversion...
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-2022-3745217
... machine learning information neural network international exploration geophysicist accuracy american association energy 10 expanded abstract applied geoscience society upstream oil & gas artificial intelligence time-velocity sequence picking comparison heap detection summary...

Product(s) added to cart

Close Modal