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Keywords: seismic data
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Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29904-MS
... of the output model. The best combination was the one using the PReLU activation function with the Adamax optimizer. machine learning deep learning variation seismic modeling seismic data rmsprop leaky relu relu upstream oil & gas neural network activation function velocity model...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29691-MS
... igneous rocks, which could significantly and effectively reduce the uncertainties of seismic data and enhance the reliability and accuracy of igneous rocks’ prediction. reservoir characterization quantitative assessment magma event intensity upstream oil & gas igneous rock libra intrusive...
Proceedings Papers

Paper presented at the OTC Brasil, October 24–26, 2017
Paper Number: OTC-28153-MS
... seismic data (d) 500 Δp 4DS maps from a probabilistic inversion considering reservoir uncertainties and noisy synthetic seismic, representing a more realistic 4DS data. Using as input data (a) and (c), we identified positions where Δp 4DS maps were more precise. We then selected the Δp SIM maps using...
Proceedings Papers

Paper presented at the OTC Brasil, October 29–31, 2013
Paper Number: OTC-24320-MS
... was generated. We have successfully acquired the seismic data and recovered the new OBSs from the ultra-deep ocean. The data demonstrate that the amplitude response is comparably effective with that of our conventional OBSs, and the vector fidelity is better than that of the conventional one. The new OBS showed...
Proceedings Papers

Paper presented at the OTC Brasil, October 29–31, 2013
Paper Number: OTC-24358-MS
... in Brazil. Most of the wells in this asset are complex, with nearly 1000 m of horizontal sections. Despite having an integrated seismic interpretation environment for well planning, the low quality of existing seismic data, along with related uncertainties, requires the asset team to make time-sensitive...
Proceedings Papers

Paper presented at the OTC Brasil, October 4–6, 2011
Paper Number: OTC-22740-MS
... uncertainties, a study was done to show the effect of 4D seismic at different production times for a simple synthetic case aiming to illustrate the concept of 4D seismic evaluation. Synthetic seismic data were generated from a reference model for several production times and performed the history matching...
Proceedings Papers

Paper presented at the OTC Brasil, October 4–6, 2011
Paper Number: OTC-22580-MS
.... The available seismic data is typically of very limited bandwidth, giving similarly limited spatial resolution, and so consequently uncertainties related to reservoir content and continuity (compartmentalization) remain high. In principle, this risk can be mitigated by well tests and by obtaining higher...
Proceedings Papers

Paper presented at the OTC Brasil, October 4–6, 2011
Paper Number: OTC-22827-MS
... nichol depth imaging bakulin information constraint model building workflow zdraveva tomography woodward well data vti model reservoir characterization imaging building anisotropic model inversion annual international meeting tti model anisotropic model seismic data upstream...

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