The Joule-Thomson Effect in Petroleum Fields: II. CO<sub>2</sub>Sequestration, Wellbore Temperature Profiles, and Thermal Stresses and Wellbore Stability

Jamaloei, Benyamin Yadali; Asghari, Koorosh

doi:10.1080/15567036.2011.557701

Cited by 7 publications

(3 citation statements)

References 47 publications

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“…As a result of the Joule−Thomson effect, the discharge of a large amount of free gas will cause a significant drop in the temperature of reservoirs. 124 The second stage is where hydrates absorb a sensible heat of reservoirs and decompose to produce gas (as shown in Figure 3 from B to C). The temperature and pressure of reservoirs at this stage mainly change along the phase equilibrium curve.…”

Section: Gas Production By Depressurization-based Methodsmentioning

confidence: 99%

“…At this stage, hydrates in the reservoir are basically in a stable state and not decomposed in a large amount. As a result of the Joule–Thomson effect, the discharge of a large amount of free gas will cause a significant drop in the temperature of reservoirs . The second stage is where hydrates absorb a sensible heat of reservoirs and decompose to produce gas (as shown in Figure from B to C).…”

Section: Gas Production By Depressurization-based Methodsmentioning

confidence: 99%

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Enhancing Gas Production from Hydrate-Bearing Reservoirs through Depressurization-Based Approaches: Knowledge from Laboratory Experiments

et al. 2021

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There have been several field tests around the world to recover natural gas from gas hydrate reservoirs. A most recent trial took place in the South China Sea, breaking the records of cumulative and daily gas yield from marine hydrate deposits. However, significant challenges still remain while approaching commercial gas production. These may involve but are not limited to the ultralow permeability of the reservoir, insufficient heat supply, unstable gas yield fluctuations, sand problem upon water production from the silty sediments, and secondary hydrate formation or ice generation blocking the pore spaces. Consequently, intensive efforts have been made to understand and, thereby, manipulate the complicated gas production process. Of special interest are the studies on the determination and optimization of the depressurization scheme, because depressurization is recognized to be most promising toward an economically efficient gas recovery. Therefore, in this work, we elaborated on the effects of pressure regulation on the behavior of gas and water yield and characteristics of the reservoir during the gas production process through depressurization-based approaches. Particular attention was paid on the enhancement of the gas production rate and energy efficiency under various scenarios. The advantages and limitations of the current investigation were also discussed to present preliminary suggestions and perspectives for future studies. This work could provide a brief view of the current efforts on improving the gas production efficiency at a laboratory scale; further investigations are still required to scale-up these findings to provide guidance to the field test in the future.

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Section: Gas Production By Depressurization-based Methodsmentioning

confidence: 99%

Section: Gas Production By Depressurization-based Methodsmentioning

confidence: 99%

Enhancing Gas Production from Hydrate-Bearing Reservoirs through Depressurization-Based Approaches: Knowledge from Laboratory Experiments

et al. 2021

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“…The direct result of JTC is the freezing of formation brine accompanied by the generation of CO2 or CH4, which reduces the injectivity and may lead to deformation at near-wellbore area [230]. Although the influence of fluctuation of temperature and pressure induced JTC on storage integrity have been widely studied for CO2 geosequestration [231][232][233], there is still lack of research of the impact of JCT when hydrogen is involved, and thus calls for more efforts to assess the potential risks of JCT during UHS from both modelling and experimental perspectives.…”

Section: Hydrogen Cyclingmentioning

confidence: 99%

Storage Integrity during Underground Hydrogen Storage in Depleted Gas Reservoirs

Zeng¹,

Sarmadivaleh²,

Saeedi³

et al. 2022

Preprint

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The transition of energy from fossil fuels to renewable energy particularly hydrogen is becoming the centre of decarbonization and roadmap to achieve net-zero carbon emission. To meet the requirement of large-scale hydrogen storage as a key part of hydrogen supply chain, underground hydrogen storage can be the ultimate solution to economically store hydrogen thus meet global energy demand. Compared to other types of subsurface storage sites such as salt caverns and aquifers which are limited to geographical locations, depleted gas reservoirs have been raising more interest because of the wider distribution and higher storage capacity. However, safely storing and cycling of hydrogen in depleted gas reservoirs requires caprock, reservoir and wellbore to remain high stability and integrity. Nevertheless, current research on storage integrity during underground hydrogen in depleted gas reservoirs is still scarce and non-systemic. We therefore reviewed the major challenges on storage integrity associated with geochemical reactions, microbial activities, faults and fractures and hydrogen cycling perspectives. The processes and impacts of abiotic and biotic mineral dissolution/precipitation, faults and fracture reactivation and propagation in caprock and host-rock, wellbore instability due to cement degradation and casing corrosion, stress change during hydrogen cycling, etc. on storage integrity were comprehensive reviewed and analysed. Furthermore, a technical screening tool with consideration of controlling variables, risks and consequences on storage integrity was developed to identify the potential risks associated with storage integrity. Lastly, knowledge gaps together with feasible methods and pathways have been identified to mitigate the risks and thus enables large-scale underground hydrogen storage.

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Wax Deposition

Hussein¹

2023

Essentials of Flow Assurance Solids in Oil and Gas Operations

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The Joule-Thomson Effect in Petroleum Fields: II. CO₂Sequestration, Wellbore Temperature Profiles, and Thermal Stresses and Wellbore Stability

Cited by 7 publications

References 47 publications

Enhancing Gas Production from Hydrate-Bearing Reservoirs through Depressurization-Based Approaches: Knowledge from Laboratory Experiments

Enhancing Gas Production from Hydrate-Bearing Reservoirs through Depressurization-Based Approaches: Knowledge from Laboratory Experiments

Storage Integrity during Underground Hydrogen Storage in Depleted Gas Reservoirs

Wax Deposition

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The Joule-Thomson Effect in Petroleum Fields: II. CO2Sequestration, Wellbore Temperature Profiles, and Thermal Stresses and Wellbore Stability

Cited by 7 publications

References 47 publications

Enhancing Gas Production from Hydrate-Bearing Reservoirs through Depressurization-Based Approaches: Knowledge from Laboratory Experiments

Enhancing Gas Production from Hydrate-Bearing Reservoirs through Depressurization-Based Approaches: Knowledge from Laboratory Experiments

Storage Integrity during Underground Hydrogen Storage in Depleted Gas Reservoirs

Wax Deposition

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The Joule-Thomson Effect in Petroleum Fields: II. CO₂Sequestration, Wellbore Temperature Profiles, and Thermal Stresses and Wellbore Stability