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Keywords: resolution
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Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4083103
... The construction of subsurface velocity models and reservoir characterization depend heavily on the resolution of seismic interpretation. In the field of seismic exploration, combining multiple stacks, e.g. multi-angle, multi-azimuth, multi-frequency, of seismic data is becoming more and more...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4083840
... contact, fault shadow, structure undulation, low signal-to-noise, and lack of stratigraphic resolution. Seismic reimaging of asset was conducted using Chevron’s proprietary Extended Full Waveform Inversion (Ext-FWI) and Least Square Reverse Time Migration (LSRTM). The reimaging result shows Extended FWI...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4100616
... The near surface layer causes a strong absorption and attenuation effect on seismic waves, which seriously affects the resolution of seismic data, distorts seismic waveforms, and affects seismic imaging and reservoir identification. In order to eliminate the near-surface absorption...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101164
.... Although the spectrum energy of SSMP can be gathered to the center time and frequency of the selected matching wavelet. However, there will be a phenomenon of over-compression. A lot of effective formation information will be eliminated, resulting in unreal results and false energy with high resolution...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101398
.... As a kind of high-resolution seismic exploration method, more and more scholars have focused on the application of the distributed acoustic sensing technique in the acquisiton, processing, and comprehensive interpretation of borehole seismic data and borehole-surface jointly acquired seismic data...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101743
... exploration geophysicist muon detector mineral density model detector location applied geoscience & energy 10 american association resolution Cosmic-ray Muon Tomography: New Developments for Near-mine Exploration and Geotechnical Applications. Douglas Schouten, Ideon Technologies Jared Townsend...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4089465
... the resolution of seismic data, and then employ the ant tracking algorithm to obtain fault identification labels. Secondly, based on the 3D seismic data, we construct a 3DUNet neural network based on the attention mechanism, which can learn the characteristics of low-order weak faults and discard...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4090566
... sedimentary rock acquisition frequency seismic survey australasian exploration geoscience conference exploration geophysicist anglo american summary resolution An in-depth look at ultra-high-density 3D seismic acquisition for mining Tim Dean*, and Matt Grant, Anglo American Summary The use of 3D...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4091853
... learning (DL) methods are adept at solving ill-posed problems such as gravity inversion. Recently, a selfsupervised gravity inversion method has solved the above problems by introducing a guideline to provide depth resolution in gravity inversion. However, the guideline is calculated from well-log or other...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4092609
... exploration method with two-side excitation of high-power source is proposed. In this paper, the working method of two-side excitation, data processing and application are introduced. The resolution of deep target is improved by the TFEM inversion results of two-side source excitation, which is in good...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4093405
... Seismic exploration has increasingly focused on specific geological bodies, such as thin layers, small-scale anomalous bodies, fracture-cavities, and small faults. As the burial depth of these targets increases, the requirements of imaging resolution become higher. Seismic data acquisition...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4094354
... We introduce a novel three-stage machine learning (ML) workflow for seismic resolution enhancement by integrating well log measurements, specifically designed for dataset with limited number of wells. The algorithm includes a pseudo well-log generator from input seismic volumes. The resolution...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4094488
... model, facilitating wave propagation. The RBF approach allows for representing time-lapse changes on a nonuniform grid, offering variable resolution. This method is validated through three synthetic examples: a CO2 plume monitoring scenario, a reflection-based time-lapse FWI, and an extension to elastic...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4095119
... by highlighting areas of high impedance contrast characterized by carbonate layers, gas packets, and volcanic intrusions present. The model building utilized data reprocessed using contemporary broadband signal processing tools, increasing resolution of available seismic data. This work documents...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4098633
... Seismic images often lack the high resolution needed for proper identification of subsurface structures and potential hydrocarbon reservoirs, and that is due to factors such as limited data acquisition and the attenuation of seismic waves as they travel through the Earth’s subsurface layers...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4099716
... generation, and (iv) property model estimation refinement via a physics-guided CNN. Its application to the public Volve dataset in North Sea successfully produces density and P-slowness volumes of high lateral consistency and vertical resolution. Synthetic seismic is also derived and observed in close...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4100176
... There is a huge amount of deep formation resources in Songliao Basin, and the tight glutenite reservoir in Shahezi Formation has great exploration potential. However, due to the deep burial and severe absorption attenuation, the seismic imaging resolution is low, and the prediction of geological...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4100383
... model resolution, fraction of data volume used for the modeling and the effects of velocity gradient in the shallow subsurface modeling. In each of these experiments, true models were considered to be the simplest to reflect the possible best-case scenario. Results suggest that the model resolution...

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