Activity assessment of NiMo bimetallic nanocatalyst in presence and absence of steam in in-situ upgrading technology (ISUT)

Khoshooei, Milad Ahmadi; Elahi, Seyed Moein; Carbognani, Lante; Scott, Carlos E.; Pereira‐Almao, Pedro

doi:10.1016/j.fuel.2020.119664

Cited by 13 publications

(4 citation statements)

References 37 publications

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“…Schematic presents the mass abundance of hydrogenated markers in the present case study, as determined via FID signal integration. The detailed mechanisms of arene hydrogenation and isomer formation have been discussed by others − and are beyond the scope of this report.…”

Section: Results and Discussionmentioning

confidence: 97%

Heavy Oil Catalytic In Situ Upgrading in Fractured Carbonate Reservoirs. Fluid Distributions and Occurring Reactions Monitored with Marker Hydrocarbons

Suarez-Suarez,

Elahi,

Orozco Castillo

et al. 2023

Energy Fuels

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The effectiveness of a novel catalytic heavy oil in situ upgrading technology (ISUT) in fractured carbonate reservoirs with varying rock properties was investigated in the present study carried out with Mexican heavy crudes. The tests conducted in batch (300 °C under 1000 psig H 2 for 48 and 96 h) and continuous operation modes (360 °C, 36 h residence time, and 1450 psig pressure) were utilized to achieve up to ∼30 wt % vacuum residue (VR) conversion and up to 65 wt % recovery. By dispersing hydroprocessing catalysts, such as Ni−Mo and/or Ni−Mo−W, in VR media and in the presence of H 2 , efficient upgrading was achieved with stable produced oils. Distributions of molecular markers introduced into the matrix oil or into the injected VR (1-Me-naphthalene, phenanthrene, α-cholestane, fluorenone) were monitored via gas chromatography (GC)-simulated distillation and/ or GC−mass spectroscopy, indicating movement of hydrocarbons toward and out from the porous space of the carbonate matrices, suggesting successful penetration of the upgraded VR into the rock's porous space. Detection of hydrogenated compounds derived from spiked markers provided evidence of hydrotreating reactions occurring during ISUT processing. The study proposes a possible oil production mechanism that combines rock thermal expansion, solution gas drive (H 2 ), and solvency from generated upgraded light ends, explaining oil production within carbonate matrices when ISUT is applied to naturally fractured reservoirs. These findings highlight the immense potential of ISUT for unlocking vast oil reserves present in carbonate reservoirs worldwide.

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Section: Results and Discussionmentioning

confidence: 97%

Heavy Oil Catalytic In Situ Upgrading in Fractured Carbonate Reservoirs. Fluid Distributions and Occurring Reactions Monitored with Marker Hydrocarbons

Suarez-Suarez,

Elahi,

Orozco Castillo

et al. 2023

Energy Fuels

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“…In-situ catalytic upgrading will greatly improve the heavy oil performance and enhance the heavy oil economics. In-situ catalytic upgrading has been under investigation and piloted in heavy oil reservoirs. ,− …”

Section: Future Perspectivesmentioning

confidence: 99%

In-Situ Combustion for Heavy Oil and Oil Sands Recovery: Recent Progress, Field Applications, and Future Perspectives

Yang,

Chai,

Yuan

et al. 2024

Energy Fuels

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Heavy oil and bitumen resources are estimated to account for about 70% of the global oil reserves. Recovery of these resources economically and environmentally is crucial to satisfy the crude oil demand in the next few decades. Steam injection-based techniques encounter challenges of large water usage, high operating costs, and huge greenhouse gas (GHG) emissions. In-situ combustion, which utilizes the heat generated by oxidation reactions between crude oil and oxygen, is an alternative and promising thermal technique to recover heavy oil and bitumen resources with the expectation to reduce water usage and lower operating costs. But complexity of oxidation behavior and uncertainty of in-situ combustion (ISC) performance prediction have restricted the field application of the ISC process. This paper provides a comprehensive review of the most recent studies about the ISC process and updated field projects. Various experimental studies are first presented to investigate the oxidation mechanisms of crude oil and the ISC enhanced oil recovery (EOR) mechanism. Based on the experimental advances, recent progress on reaction kinetics models and field scale modeling of ISC is presented. Subsequently, currently active field projects have been updated to provide the best practice of field operation. Finally, future perspectives of ISC for heavy oil or oil sands recovery are identified with a focus on in-situ catalytic upgrading and hydrogen generation.

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“…The experimental setup in our previous work 21 was used in this study, where the flow rates of hydrogen and nitrogen were controlled by mass flow controllers (Brooks Instruments) and the steam flow rate was controlled by the flow rate of cold liquid water, pumped by a 500D pump (Teledyne ISCO) that was heated to superheated steam prior to introduction to the reactor. Further details about the experiment as well as catalyst dispersion in the heavy hydrocarbon and then deposition methodology to mimic the in-reservoir process are provided in our recent work.…”

Section: Catalyst Deposition and Activity Testsmentioning

confidence: 99%

“…19,20 Yet, the sulfide NiMo catalyst has shown to be intolerant to water, where it can be oxidized and transformed into oxide(s) and in turn lose the hydrogenation capability. 21 It is therefore proposed in this study to use α-MoC 1−x (referred to as α-Mo 2 C in this manuscript) in the ISUT process and evaluate its activity under different environments that include various ratios of water to hydrogen. Given the outstanding OH bond activation capability of molybdenum carbide, 10,22 water as a carbon-free hydrogen source can be dissociated for abstracting hydrogen that can be used in hydroprocessing reactions.…”

Section: Introductionmentioning

confidence: 99%

Evidence of water dissociation and hydrogenation on molybdenum carbide nanocatalyst for hydroprocessing reactions

Khoshooei

Vitale

Ortega

et al. 2022

Catal. Sci. Technol.

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Activity assessment of NiMo bimetallic nanocatalyst in presence and absence of steam in in-situ upgrading technology (ISUT)

Cited by 13 publications

References 37 publications

Heavy Oil Catalytic In Situ Upgrading in Fractured Carbonate Reservoirs. Fluid Distributions and Occurring Reactions Monitored with Marker Hydrocarbons

Heavy Oil Catalytic In Situ Upgrading in Fractured Carbonate Reservoirs. Fluid Distributions and Occurring Reactions Monitored with Marker Hydrocarbons

In-Situ Combustion for Heavy Oil and Oil Sands Recovery: Recent Progress, Field Applications, and Future Perspectives

Evidence of water dissociation and hydrogenation on molybdenum carbide nanocatalyst for hydroprocessing reactions

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