... association transformation vibrator upstream oil & gas imaging ocean-bottom acquisition reverse-time migration colorado school wavefield applied geoscience exploration geophysicist shragge compute Reverse-time migration of mobile marine vibrator data Khalid Almuteri*, Paul Sava, and Jeffrey...

... association operator geophysics international colorado school migration imaging applied geoscience reservoir characterization exploration geophysicist energy 10 imaging artifact experiment society shragge receiver sava rey shragge Normalized energy-norm imaging condition for elastic...

... model generalization exploration geophysicist shragge rnn-based seismic velocity model building hybrid training data hani alzahrani colorado school american association waveform inversion information energy 10 geophysics RNN-based Seismic Velocity Model Building: Improving Generalization...

... multi-crew zipper stimulation applied geoscience american association production logging low-frequency das interpretation exploration geophysicist figure 2 colorado school fracture propagation international figure 3 codell lf-das dataset energy 10 Low-frequency DAS interpretation upon...

... association colorado school shragge acoustic wavefield alembert operator Finite-difference modeling of marine vibrator sources Khalid Almuteri*, Jeffrey Shragge and Paul Sava, Center for Wave Phenomena, Colorado School of Mines SUMMARY Marine vibrators are emerging as an attractive alternative...

... colorado school GPU-based 3D Anisotropic Elastic Modeling Using Mimetic Finite Differences Harpreet Singh*, Jeffrey Shragge, and Ilya Tsvankin, Colorado School of Mines; Fatmir Hoxha, Nvidia SUMMARY Accurate modeling of elastic wavefields for 3D anisotropic media is important for many applications...

... characterization table 1 inversion reflection overburden american association psdm moveout international applied geoscience traveltime value gaiser geophysical consulting figure 3 colorado school energy 10 Value of conventional PS-wave velocity analyses for PSDM of deep-water OBS data James...

... to estimate P-wave properties. upstream oil & gas reservoir characterization exploration geophysicist colorado school estimation dataset society artificial intelligence international applied geoscience james simmons s-wave energy 10 seafloor neural network machine learning american...

... and acquisition artifacts, are sensitive to the presence of free gas. log analysis reservoir characterization neural network deep learning well logging nmr-density method model performance saturation upstream oil & gas colorado school exploration geophysicist 10 machine learning model...

... colorado school amplitude casing and cementing line image geophysics casing design applied geoscience steel casing conductivity model streich control line algorithm csem data artifact electromagnetic data inversion geology 3D inversion of field electromagnetic data contaminated by well...

...A convolutional neural network approach for ghost removal Khalid Almuteri and Paul Sava, Center for Wave Phenomena, Colorado School of Mines SUMMARY Receiver-side deghosting solutions can be classi ed by their implementation into processing-based and acquisition-based. In towed-streamer acquisition...

...Identifying salt anks using low-frequency ambient OBN surface-wave seismology Aaron J. Girard*, Jeffrey Shragge, Colorado School of Mines, and Bjorn Olofsson, ExxonMobil Upstream Research SUMMARY In this investigation, we report the ndings of multi-channel interferometric processing on an array...

... frequency instrument response correction reservoir characterization ambient data colorado school noise spectrum upstream oil & gas node information correction velocity spectra ultra-dense linear array iga pawelec applied geoscience exploration geophysicist 10 phase velocity spectra...

... & gas gap size colorado school exploration geophysicist 10 reconstruction diagram Two-stage sampling A novel approach for compressive sensing seismic acquisition Anna Titova*, Michael B. Wakin, and Ali Tura, Colorado School of Mines SUMMARY tional cost. The authors of this paper have seen only...

... reservoir yesser haj nasser us government applied geoscience colorado school copley reservoir Climate change, the energy industry, and the role of Carbon Capture Utilization and Storage Ali Tura*, Yanrui Ning, Yesser Haj Nasser, Colorado School of Mines Summary transportation sector emissions...

... and realizable. It is shown that joint inversion can lead to a larger chance of success in placing exploration and development wells. reservoir characterization colorado school substantial improvement joint pp ps inversion upstream oil & gas pre-stack inversion s-impedance applied geoscience...

... often caused by improper handling of the strongcontrast bathymetric interface. Handling bathymetry in wave eld modeling for coupled acoustic/elastic anisotropic media Harpreet Singh, Jeffrey Shragge and Ilya Tsvankin, Colorado School of Mines SUMMARY solving the Cartesian wave equation due...

...4D DAS ber-coupling effects in freezing near-surface ground conditions Jihyun Yang, Jeffrey Shragge and Ge Jin, Colorado School of Mines SUMMARY elastic coupling conditions, the recorded quantity is propor- tional to particle velocity as measured on single-component Distributed acoustic sensing...

... reservoir characterization upstream oil & gas machine learning deep learning f1-score colorado school neural network accuracy microseismic event exploration geophysicist 10 dataset artificial intelligence applied geoscience convolutional neural network geophysics cnn eagle...

...Sensitivity analysis of FWI for elastic orthorhombic media Sagar Singh and Ilya Tsvankin, Colorado School of Mines SUMMARY as orthorhombic, because the radiation patterns of different pa- rameters often overlap. Application of elastic full-waveform inversion (FWI) to or- thorhombic models, which...