Geoscientists are at the forefront of developments aimed at achieving more efficient and effective reservoir geoscience and engineering.
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Guanghui Huang et al. introduce a multiparameter elastic full-waveform inversion (FWI) formulation parameterised directly in terms of P-wave velocity (), S-wave velocity (), and density (ρ). Using both a controlled numerical experiment and a field dataset from a marine streamer acquisition, they assess the extent to which these parameters can be resolved from pressure-only data, with the aim of clarifying their practical interpretability.
James R. Johnson et al. propose a systematic workflow for evaluating whether shale creep could provide a viable plugging and abandonment solution for existing wells, or, preferably, be considered during the planning stage before drilling.
Fatkhan et al. investigate anomalies in the seismic anisotropy parameter Eta (η) resulting from intrinsic lithological and fluid effects. Their study focuses on the Residual Eta (ηRES) and its derivative, the Residual Eta Gradient (ηGRAD), as tools for identifying these effects.
Dr Chris Willcox et al. use detailed palaeoclimate tools to demonstrate how an Earth systems approach can be applied to exploration, improving the understanding of risks and opportunities associated with potential clastic reservoirs along a continental margin.
Kim Gunn Maver et al. describe the concept behind a deep closed-loop geothermal well system, the key properties involved in petrothermal zone assessment, how these properties can be determined, and their impact on petrothermal energy production.
Rasoul Sorkhabi et al. apply data science and machine learning (ML) techniques to gain new insights into the production performance of the Wolfcamp Formation in the Permian Superbasin.