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Keywords: workflow
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Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3584086
... A workflow is proposed that estimates hydraulic fracture half-lengths by relating microseismic response to seismic data. The benefit of the multi-seismic based estimates is the data driven ability to produce estimates of fracture geometry beyond a rectangular or box model of stimulated rock...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583063
... machine learning deep learning artificial intelligence qc score bayesian optimization subtraction workflow neural network applied geoscience prediction optimization exploration geophysicist 10 algorithm label noise reservoir characterization upstream oil & gas automated...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3595029
... geothermal exploration geophysicist 10 dataset basin workflow maria richard production monitoring new life flow rate matt mayer application economic limit New life for old wells - repurposing oil and gas well data for geothermal prospecting James Keay*, Cian O'Reilly, Matt Mayer, Alejandro...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582178
... Optimizing drilling speed in the Permian Basin has tremendous impacts to an independent producer’s bottom line. Any gained efficiencies are largely a result of an integrated geology, geophysics, and engineering workflow. By using a new well planning workflow that utilizes 3D seismic inversion...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582416
... projects run the full spectrum from acquisition through processing to inversion for reservoir properties in a rock physics context. With a small, experienced team and a proven set of workflows, we are able to run our projects and achieve very high quality results faster and at a much lower cost than could...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594741
.... However, seismic data contains uncertainties arising from the earth model building process used to obtain them. The seismic industry has therefore turned to seismic uncertainty analysis (SUA) workflows to analyze and quantify this model uncertainty. In this paper, we present a case study of SUA as used...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583448
... We develop a workflow to invert for primaries from 2D freesurface shallow-water (⇠100m) data with missing near offsets. The workflow is based on closed-loop surface-related multiple elimination. We apply a nearest-neighbor search followed by differential normal moveout to interpolate missing...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583696
... confidence in the seismic image and subsequent geologic interpretation for exploration remain the core objective. upstream oil & gas expanded abstract boundary imaging change iteration exploration geophysicist 10 velocity update cheng reservoir characterization applied geoscience workflow...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3584034
.... Following previous successes with FWI and gravity assisted salt geometry adjustment. template-matching full-waveform inversion (TM-FWI) technique in the Campeche area (Kang et al., 2020, Madden Figure 1: Modeling workflow for iterative TM-FWI and gravity- et. al., 2020), a similar processing workflow...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583987
... geomechanical strain adam baig reservoir characterization presented potency tensor workflow microseismicity hydraulic fracturing completion aaron booterbaugh exploration geophysicist 10 magnitude applied geoscience strain field das witten deformation Microseismicity and Geomechanical Strain...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3584005
.... This is the first step towards a data-adaptive, full automation of an interpolation workflow. reservoir characterization applied geoscience interpolation algorithm exploration geophysicist 10 upstream oil & gas parameterization massimiliano vassallo machine learning bandwidth common-offset gather...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583635
... Nowadays is quite common to have seismic data in the depth domain, generally from prestack depth migration (PSDM, isotropic or anisotropic) workflows. In several cases, PSDM images are obtained to resolve structural problems of the subsurface, however, in the recent years, several authors have...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583785
... Full-waveform inversion (FWI) is shaping a new era of imaging workflows. Faster and ever-evolving FWI algorithms like Enhanced Template Matching FWI (ETMFWI) simultaneously use refraction and reflection energy to update a model over a frequency band. For imaging of the newly acquired Campeche...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594698
... reservoir characterization investment saturation change enhanced recovery integrator csem workflow ocean-bottom multiphysic reservoir monitoring resistivity change jubarte petrobras inversion reservoir marine csem exploration geophysicist 10 crepaldi Ocean-Bottom Multiphysics - Path...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594819
... workflow due to varied mineral composition of rocks, rocks. Conventional Digital Rock workflows compute rock imaging artefacts, and uncertainties such as partial volume properties using gray images segmented into pores and effects. Therefore, it is common to consider two or more minerals and are known...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594957
... velocity ahead of the bit is typically estimated from acoustic vibrator was located 37 m away from the wellhead, which impedance using Gardner s relation. The prediction error make standard near-offset workflow applicable in this case. highly depends on the error in Gardner s regression 8-120 Hz sweep...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594767
... structures are successfully recovered with the predicted low-frequency components. neural network applied geoscience prediction reservoir characterization low-frequency component training set machine learning upstream oil & gas reflection event expanded abstract velocity model workflow...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594936
... the effect of decimating sources and receivers on velocity estimation. We use both synthetic and actual field datasets from an OBN survey shot over the complex Geology of a pre-salt play in Santos Basin, Brazil. Velocity estimation is done via an automated FWI workflow, which facilitates correlating...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594858
... Top and base salt interpretation are the key interpretation tasks of any surface-based velocity model building workflow. In recent years, we have seen various deep twodimensional (2D) convolutional neural network-based machine learning (ML) algorithms excel in learning and predicting the top...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3595009
... parameter in seismic. analysis and therefore may have some percentage error, but A geologically realistic velocity model is essential for true they represent lateral as well as vertical variations in depth imaging. A workflow is presented to build a regional velocity. The tradeoff is to use both...

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