Sub-surface Risk Assessment for the Endurance CO2 Store of the White Rose Project, UK

Metcalfe, Richard; Thatcher, K.; Towler, George; Paulley, A.; Eng, Jeremy

doi:10.1016/j.egypro.2017.03.1578

Cited by 14 publications

(2 citation statements)

References 2 publications

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“…There are plans to store CO 2 in Bunter sandstones in a closed aquifer at a depth of 1020 m TVDSS in the offshore Endurance structure, located 75 km east of the English coastline (location in Fig. 1) (Metcalfe et al, 2017;Gluyas and Bagudu, 2020). The Endurance structure, and other similar structural closures nearby, were formed due to a combination of Cenozoic inversion and halokinesis of underlying Zechstein evaporites (Gluyas and Bagudu, 2020).…”

Section: Carbon Capture Utilisation and Storage (Ccus)mentioning

confidence: 99%

The Upper Permian Zechstein Supergroup of Ne England and the Adjacent Southern North Sea: A Review of Its Role in the Uk's Energy Transition

Fyfe¹,

Underhill

2023

Journal of Petroleum Geology

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As the United Kingdom reduces its CO2 emissions in order to meet its 2050 net zero greenhouse gas targets, there will be a significant evolution of the UK's energy mix. The reliance on hydrocarbons will decrease while there is predicted to be an increase in low carbon energy sources such as renewables and nuclear. In order to decarbonise and achieve the net zero emissions targets while concurrently producing enough energy to provide for national energy needs, large‐scale, low carbon energy generation projects need to be developed alongside energy storage facilities to provide flexibility within a low carbon energy supply. Robust CCUS programmes will need be developed in order to capture and store unavoidable carbon dioxide emissions. The subsurface geology of the UK provides opportunities for the development of low carbon energy generation, energy storage and CCS, and the Upper Permian Zechstein Supergroup deposited in eastern England and offshore in the Southern North Sea is a potential host for these new developments. In NE England, salt cavern gas storage sites have been developed in thick Zechstein evaporites since the mid 20th centrury. In this paper we present new isopach maps and well correlation panels which will help to outline optimal locations for the development of additional salt caverns for gas storage. A review of the Zechstein Supergroup indicates that it does not exhibit great potential for the development of CCS, due both to its complex reservoir characteristics and to difficulties with both subsurface imaging and monitoring. However thick Zechstein evaporites could provide an excellent seal for CO2 storage in the underlying Lower Permian Rotliegend Group.

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Section: Carbon Capture Utilisation and Storage (Ccus)mentioning

confidence: 99%

The Upper Permian Zechstein Supergroup of Ne England and the Adjacent Southern North Sea: A Review of Its Role in the Uk's Energy Transition

Fyfe¹,

Underhill

2023

Journal of Petroleum Geology

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“…It is also the case that depleted gas reservoirs have larger pore volumes available for storage compared to, for instance, saline aquifers of the same size whose porosity is completely filled with water. Although having retained hydrocarbons over geological-time is not a guarantee that CO 2 will not leak because: 1) in the near vicinity of wells the sealing capacity of the cap rock may have been damaged by the penetration of wells (Metcalfe et al, 2017); 2) CO 2 /CH 4 / brine interfacial tension is much lower than hydrocarbon-water systems (Li et al, 2006), 3) CO 2 may have a different wettability to hydrocarbons being less water-wet; 4) reactions at the shale interface may compromise seal integrity (e.g., Gholami et al, 2021) and 5) the reduced horizontal stresses within the depleted reservoirs add difficulty in drilling and cementing increasing the risk of well leakage that may also lead to large mud losses and difficulties in cemented casing (e.g., Shahbazi et al, 2020).…”

Section: Carbon Capture and Storagementioning

confidence: 99%

The Importance of Physiochemical Processes in Decarbonisation Technology Applications Utilizing the Subsurface: A Review

Kaminskaite¹,

Piazolo²,

Emery³

et al. 2022

Earth Sci. Syst. Soc.

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The Earth’s subsurface not only provides a wide range of natural resources but also contains large pore volume that can be used for storing both anthropogenic waste and energy. For example, geothermal energy may be extracted from hot water contained or injected into deep reservoirs and disused coal mines; CO2 may be stored within depleted petroleum reservoirs and deep saline aquifers; nuclear waste may be disposed of within mechanically stable impermeable strata; surplus heat may be stored within shallow aquifers or disused coal mines. Using the subsurface in a safe manner requires a fundamental understanding of the physiochemical processes which occur when decarbonising technologies are implemented and operated. Here, thermal, hydrological, mechanical and chemical perturbations and their dynamics need to be considered. Consequently, geoscience will play a central role in Society’s quest to reduce greenhouse gas emissions. This contribution provides a review of the physiochemical processes related to key technologies that utilize the subsurface for reducing greenhouse gas emissions and the resultant challenges associated with these technologies. Dynamic links between the geomechanical, geochemical and hydrological processes differ between technologies and the geology of the locations in which such technologies are deployed. We particularly focus on processes occurring within the lithologies most commonly considered for decarbonisation technologies. Therefore, we provide a brief comparison between the lithologies, highlighting the main advantages and disadvantages of each, and provide a list of key parameters and properties which have first order effects on the performance of specific rock types, and consequently should be considered during reservoir evaluation for decarbonising technology installation. The review identifies several key knowledge gaps that need to be filled to improve reservoir evaluation and performance prediction to be able to utilize the subsurface efficiently and sustainably. Most importantly, the biggest uncertainties emerge in prediction of fracture pattern development and understanding the extent and timescales of chemical reactions that occur within the decarbonising applications where external fluid or gas is cyclically injected and invariably causes disequilibrium within the system. Furthermore, it is clear that whilst geoscience can show us the opportunities to decarbonise our cities and industries, an interdisciplinary approach is needed to realize these opportunities, also involving social science, end-users and stakeholders.

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Energy storage system based on transcritical CO2 cycles and geological storage

Carro

Chacartegui

Ortíz

et al. 2021

Applied Thermal Engineering

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Sub-surface Risk Assessment for the Endurance CO2 Store of the White Rose Project, UK

Cited by 14 publications

References 2 publications

The Upper Permian Zechstein Supergroup of Ne England and the Adjacent Southern North Sea: A Review of Its Role in the Uk's Energy Transition

The Upper Permian Zechstein Supergroup of Ne England and the Adjacent Southern North Sea: A Review of Its Role in the Uk's Energy Transition

The Importance of Physiochemical Processes in Decarbonisation Technology Applications Utilizing the Subsurface: A Review

Energy storage system based on transcritical CO2 cycles and geological storage

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