Diagenetic history vs. thermal evolution of Paleozoic and Triassic reservoir rocks in the Ghadames-Illizi Basin (Algeria-Tunisia-Libya)

Giulio, Andrea Di; Grigo, D.; Zattin, Massımılıano; Amadori, Chiara; Consonni, Alberto; Nicola, Chiara; Ortenzi, A.; Scotti, Paolo; Tamburelli, Silvia

doi:10.1016/j.marpetgeo.2021.104979

Cited by 3 publications

(4 citation statements)

References 16 publications

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“…When the formation heating rate is the same, the temperature difference of different crude oil cracking is relatively significant, while the temperature difference of complete cracking is relatively small. Besides, the initial temperature of crude oil cracking in the reservoir will also differ under different geological conditions . Oil and gas reservoirs are uplifted or downgraded by the structure; hence the burial depth changes while the temperature and pressure also change accordingly.…”

Section: Application Of Phase State Study In Shale Oil Explorationmentioning

confidence: 99%

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Comprehensive Outlook into Critical Roles of Pressure, Volume, and Temperature (PVT) and Phase Behavior on the Exploration and Development of Shale Oil

et al. 2022

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Shale oil has received increasing attention as an essential replacement for conventional oil resources. Shale oil recovery is a complex process controlled by interactions of many factors whose impact could be significantly different from conventional reservoirs. This study hence aims to fill the gaps in the literature by studying various aspects of the phase behavior of shale oil and their significance in different aspects of the recovery from oil shale. In the first part of this study, the standard practices, including experimental and theoretical methods for calculating the pressure, volume, temperature (PVT), and phase behavior of shale oil, is discussed in detail. Next, the effects of factors such as the composition of fluids, pore structure, and capillary forces on the phase behavior of hydrocarbon fluids are explained. The third part focuses on applying phase behavior for oil shale development. Moreover, the geological and geochemical processes that lead to the maturity of kerogen, the formation of shale oil, and the experimental methods by which those processes are currently studied are scrutinized. By studying the thermal and burial history of the hydrocarbon-generating strata and hydrocarbon-generating kinetics, the shale formation's oil and gas phase distribution can be predicted. Consequently, the sweet spots for the recovery of light condensate oil can be more accurately determined. The application of enhanced oil recovery methods is an inevitable part of recovery from conventional and unconventional formations. Therefore, the last part of this study analyses the changes in the phase behavior of shale oil when an external component, i.e., CO 2 or CH 4 , is injected into the reservoir. Reviewing the literature revealed that a more accurate prediction of hydrocarbon phase behavior can be made by combining different disciplines of science to achieve optimized plans for efficient shale oil development, making shale oil a more economically viable energy resource.

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Section: Application Of Phase State Study In Shale Oil Explorationmentioning

confidence: 99%

“…Besides, the initial temperature of crude oil cracking in the reservoir will also differ under different geological conditions. 159 Oil and gas reservoirs are uplifted or downgraded by the structure; hence the burial depth changes while the temperature and pressure also change accordingly.…”

Section: Application Of Phase State Study In Shale Oil Explorationmentioning

confidence: 99%

Comprehensive Outlook into Critical Roles of Pressure, Volume, and Temperature (PVT) and Phase Behavior on the Exploration and Development of Shale Oil

et al. 2022

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“…Basin subsidence is controlled by sedimentary, tectonic and thermal processes. The thermal structure of sedimentary basins is dominated by the basal heat flow, which is associated with variable lithospheric scale processes such as the thickness of the lithosphere, magmatic underplating and fluid circulation (Armstrong & Chapman, 1998; Di Giulio et al, 2021; Mangenot et al, 2017; Tamburelli et al, 2022; Yalçin et al, 1997; Yalçin & Welte, 1988). Significant and spatially extensive deviations from a steady‐state thermal configuration are often difficult to detect in the basin due to the smoothing effect of heat diffusion in crustal rocks and the low thermal conductivity of the sedimentary rocks.…”

Section: Introductionmentioning

confidence: 99%

“…Significant and spatially extensive deviations from a steady‐state thermal configuration are often difficult to detect in the basin due to the smoothing effect of heat diffusion in crustal rocks and the low thermal conductivity of the sedimentary rocks. Despite these challenges, constraining time‐integrated thermal histories is crucial for understanding diagenetic processes, hydrocarbon generation and migrations, as well as large‐scale tectonic and geodynamic processes (Ceriani et al, 2021; Corrado et al, 2020; Di Giulio et al, 2021; Gusmeo et al, 2021; Schneider & Issler, 2019). For instance, studies of sedimentary basins from the Alps (Mazurek et al, 2006) and Apennines (Cibin et al, 2003; Zattin et al, 2000) have shown how tectonic and magmatic processes can affect the burial history and result in multiple thermal events with diverse intensity, age, and duration that are difficult to disentangle.…”

Section: Introductionmentioning

confidence: 99%

The role of mantle upwelling on the thermal history of theTertiary‐PiedmontBasin at theAlps‐Apenninestectonic boundary

et al. 2023

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The Tertiary-Piedmont Basin (NW Italy) is an episutural basin that developed from the late Eocene on the Alps-Apennines tectonic junction. Several coeval geodynamic processes, including the loading and exhumation of the Western Alps, the outward migration of the Apennine accretionary wedge and the opening of the Liguro-Provençal rift basin, controlled the basin evolution. We integrate fluid-inclusion microthermometry, low-temperature thermochronology and burial history with numerical modelling to constrain the palaeo-geothermal gradients required and evaluate the mechanisms that governed the basin thermal history. Apatite fissiontrack and (U-Th-Sm)/He analyses of the basal late Eocene turbidites show reset ages of ca. 25 and 20 Ma, respectively, which require temperatures to be >120°C.Homogenization temperatures up to ca. 130°C from fluid inclusion analyses from authigenic minerals confirm the thermochronometric data, supporting a significant post-depositional heating in the lower sequence of the basin. Stratigraphic reconstructions and decompaction of the basin fill indicate that the maximum burial experienced by the basal strata at 25 Ma is 2.3 ± 0.1 km, which is not sufficient to reset the AFT thermochronometric system when applying a typical geothermal gradient (ca. 20-30°C/km). An elevated geothermal gradient of 45 ± 5°C/km is thus necessary to explain the thermochronometric dates and the elevated thermal signature at shallow depths. 2D numerical simulations indicate that such an elevated palaeogeothermal gradient can be best explained by mantle upwelling, consistent with crustal thinning caused by the inception of the Liguro-Provençal rift basin and related outward migration of the Alpine and Apennine fronts during the Oligocene.

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New constraint on burial and thermal history of Devonian reservoir sandstones in the Illizi-Ghadames basin (North Africa) through diagenetic numerical modelling

Tamburelli

Giulio

Amadori

et al. 2022

Marine and Petroleum Geology

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Diagenetic history vs. thermal evolution of Paleozoic and Triassic reservoir rocks in the Ghadames-Illizi Basin (Algeria-Tunisia-Libya)

Cited by 3 publications

References 16 publications

Comprehensive Outlook into Critical Roles of Pressure, Volume, and Temperature (PVT) and Phase Behavior on the Exploration and Development of Shale Oil

Comprehensive Outlook into Critical Roles of Pressure, Volume, and Temperature (PVT) and Phase Behavior on the Exploration and Development of Shale Oil

The role of mantle upwelling on the thermal history of theTertiary‐PiedmontBasin at theAlps‐Apenninestectonic boundary

New constraint on burial and thermal history of Devonian reservoir sandstones in the Illizi-Ghadames basin (North Africa) through diagenetic numerical modelling

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