The Tempest Project—Addressing challenges in deepwater Gulf of Mexico depth imaging through geologic models and numerical simulation

Seitchik, Adam; Jurick, Dana; Bridge, Alex; Brietzke, Richard; Beeney, Ken; Codd, Jeff; Hoxha, Fatmir; Pignol, Claude; Kessler, David

doi:10.1190/1.3124929

Cited by 12 publications

(4 citation statements)

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“…The suprasalt clastic overburden of the Passive Group displays mixed growth synclines and salt-related syncline-minibasins limited by salt anticlines, salt walls and thrust-welds (Najafi et al, 2018;Heydarzadeh et al, 2020). Anomalous thicknesses of Gachsaran evaporites may result in velocity anisotropy within the salt unit and a strong velocity contrast between the salt and the surrounding media, both of which are challenging for seismic imaging algorithms (Seitchick et al, 2009;Soleimani et al, 2017). These velocity problems increase the poor resolution (transparency) of the subsalt structure in seismic lines and in areas where Asmari and Sarvak reservoirs have been folded and thrusted (e.g.…”

Section: Zagros Petroleum Systems During and After Alpine Compressionmentioning

confidence: 99%

Structural Style and Timing of Nw‐se Trending Zagros Folds in Sw Iran: Interaction With North‐south Trending Arabian Folds and Implications for Petroleum Geology

Vergés,

Casini,

Ruh

et al. 2023

Journal of Petroleum Geology

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The Zagros foldbelt – foreland system in SW Iran is a prolific hydrocarbon province with known reserves of more than 90 billion brl of oil and 800 TCF of natural gas. Establishing the structural style of folding in the Zagros area presents a major challenge due both to the geographical extent of the foldbelt, which is some 1600 km long in total, and the presence of marked lateral variations in fold style related to the complex regional tectonic history. In addition, while numerous high‐quality structural studies of the Zagros have been completed over the last 20 years, they support a variety of different interpretations and are therefore $$difficult to synthesize. In this paper, we review the general structural style of the Zagros fold‐and‐thrust belt in SW Iran, and in particular the style of folding in the Lurestan arc, Dezful embayment, Izeh Zone and Fars arc. We summarise relationships between folding in these areas and fracture development, and investigate the timing of folding and the interaction between NW‐SE oriented “Zagros” folds and north‐south oriented “Arabian” folds. Finally, we briefly assess the implications of fold style for petroleum systems in the Zagros area. Although no new data are presented in this paper, a series of unpublished maps are used to illustrate the main results and include: a map showing the extent of the main detachment levels across the Lurestan, Dezful and Fars structural domains; two palaeotectonic maps (for Late Cretaceous – Paleocene and Miocene – Pliocene times, respectively), showing the position of the deformation fronts of the Zagros and the North Oman thrust systems and their potential spatial and temporal relationship with folding; and a set of four maps showing the distribution of reservoir rocks which are grouped by age into the Permian – Triassic Dehram Group, the Late Jurassic – Early Cretaceous Khami Group, the Late Cretaceous Bangestan Group, and the Oligocene – Miocene Asmari Formation. In addition, for the Lurestan, Dezful and Fars structural domains, a series of regional cross‐sections at the same scale are presented and discussed.Most of the data in this review paper were acquired in order to gain an improved understanding of the petroleum systems in the Zagros area; however the data are used here to investigate a range of interacting processes including tectonics, sediment deposition and subsurface fluid flow in the development of the fold‐and‐thrust belt and its associated foreland basins. The resulting synthesis is intended to provice a starting point for future tectonostratigraphic and hydrocarbon‐related studies which will make use of both existing and new multidisciplinary techniques to constrain the results. The knowledge acquired and the techniques used will be of benefit in future challenges including the identification of subsurface reservoirs suitable for the permanent storage of CO2 to mitigate the effects of climate change.

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Section: Zagros Petroleum Systems During and After Alpine Compressionmentioning

confidence: 99%

Structural Style and Timing of Nw‐se Trending Zagros Folds in Sw Iran: Interaction With North‐south Trending Arabian Folds and Implications for Petroleum Geology

Vergés,

Casini,

Ruh

et al. 2023

Journal of Petroleum Geology

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“…CUDA has been used for example in numerical simulation applications related to medicine, where it was used to accelerate post-processing of ultrasonographic images (Techniscan), biology-first simulations of virus behaviour in water at the University of Illinois in Urbana-Champaign (nanoscale molecular dynamics), finance (risk analysis), seismology (exploration of mineral reserves-SeismicCity) and engineering, where it is used for graphics acceleration in CAD applications and speeding-up numerical simulations, e.g. finite element codes (ANSYS), matrix solvers (Accelerware), fluid dynamics (Autodesk Moldflow) and others [31][32][33][34].…”

Section: Computer Unified Device Architecturementioning

confidence: 99%

“…Very fast evolution and recent developments in graphical processing units (GPUs) have demonstrated that new architectures available in low-cost graphical cards, called CUDA (computer unified device architecture), can be efficiently used for numerical simulations. The CUDA technology has been used to develop extremely efficient and accurate modelling tools in medicine, finance, seismology and computer aided design, as shown in [31][32][33][34].…”

Section: Introductionmentioning

confidence: 99%

Lamb wave propagation modelling and simulation using parallel processing architecture and graphical cards

Paćko

Bielak

Spencer

et al. 2012

Smart Mater. Struct.

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This paper demonstrates new parallel computation technology and an implementation for Lamb wave propagation modelling in complex structures. A graphical processing unit (GPU) and computer unified device architecture (CUDA), available in low-cost graphical cards in standard PCs, are used for Lamb wave propagation numerical simulations. The local interaction simulation approach (LISA) wave propagation algorithm has been implemented as an example. Other algorithms suitable for parallel discretization can also be used in practice. The method is illustrated using examples related to damage detection. The results demonstrate good accuracy and effective computational performance of very large models. The wave propagation modelling presented in the paper can be used in many practical applications of science and engineering.

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“…Complex structure and strong velocity contrast of salt with sediments around in salt-related geological settings is a great challenge for most of the seismic imaging algorithms (Albertin et al, 2001;Ray et al, 2004;Seitchick et al, 2009). Signal to noise ratio is usually low in the vicinity of salt bodies in particular below the salt.…”

Section: Salt-related Complexitiesmentioning

confidence: 99%

Seismic Modeling of Complex Geological Structures

Alaei¹

2012

Seismic Waves - Research and Analysis

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The Tempest Project—Addressing challenges in deepwater Gulf of Mexico depth imaging through geologic models and numerical simulation

Cited by 12 publications

References 0 publications

Structural Style and Timing of Nw‐se Trending Zagros Folds in Sw Iran: Interaction With North‐south Trending Arabian Folds and Implications for Petroleum Geology

Structural Style and Timing of Nw‐se Trending Zagros Folds in Sw Iran: Interaction With North‐south Trending Arabian Folds and Implications for Petroleum Geology

Lamb wave propagation modelling and simulation using parallel processing architecture and graphical cards

Seismic Modeling of Complex Geological Structures

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