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The Future of Geoenergy - A Perspective (2024)
Journal Article
Gluyas, J. G., & Fowler, N. (in press). The Future of Geoenergy - A Perspective. Geoenergy Science and Engineering,

Energy from Earth resources (geoenergy) in the form of coal, oil and gas has fueled global society since the Industrial Revolution began. Amongst the consequences of fueling society and associated population growth, is climate change, driven by the e... Read More about The Future of Geoenergy - A Perspective.

Microdroplets initiate organic-inorganic interactions and mass transfer in thermal hydrous geosystems (2024)
Journal Article
Yuan, G., Jin, Z., Cao, Y., Schulz, H.-M., Gluyas, J., Liu, K., …Wang, Y. (2024). Microdroplets initiate organic-inorganic interactions and mass transfer in thermal hydrous geosystems. Nature Communications, 15(1), Article 4960. https://doi.org/10.1038/s41467-024-49293-y

Organic-inorganic interactions regulate the dynamics of hydrocarbons, water, minerals, CO2, and H2 in thermal rocks, yet their initiation remains debated. To address this, we conducted isotope-tagged and in-situ visual thermal experiments. Isotope-ta... Read More about Microdroplets initiate organic-inorganic interactions and mass transfer in thermal hydrous geosystems.

Probabilistic Determination of the Role of Faults and Intrusions in Helium‐Rich Gas Fields Formation (2024)
Journal Article
Halford, D. T., Karolytė, R., Andreason, M. W., Cathey, B., Cathey, M., Dellenbach, J. T., …Ballentine, C. J. (2024). Probabilistic Determination of the Role of Faults and Intrusions in Helium‐Rich Gas Fields Formation. Geochemistry, Geophysics, Geosystems, 25(6), Article e2024GC011522. https://doi.org/10.1029/2024gc011522

Natural gas fields with economic helium (>0.3 He %) require the radioactive decay of crustal uranium (U) and thorium (Th) to generate He and tectonic/structural regimes favorable to releasing and concentrating He. An unknown is determining the role o... Read More about Probabilistic Determination of the Role of Faults and Intrusions in Helium‐Rich Gas Fields Formation.

Coevolutionary Diagenesis in Tight Sandstone and Shale Reservoirs within Lacustrine-Delta Systems: A Case Study from the Lianggaoshan Formation in the Eastern Sichuan Basin, Southwest China (2024)
Journal Article
Jiang, N., Wang, X., Zhou, H., Luo, L., Tan, X., Zhu, Y., …Gu, Y. (in press). Coevolutionary Diagenesis in Tight Sandstone and Shale Reservoirs within Lacustrine-Delta Systems: A Case Study from the Lianggaoshan Formation in the Eastern Sichuan Basin, Southwest China. Minerals, 14(4), Article 335. https://doi.org/10.3390/min14040335

Tight sandstone and shale oil and gas are the key targets of unconventional oil and gas exploration in the lake-delta sedimentary systems of China. Understanding the coevolutionary diagenesis of sandstone and shale reservoirs is crucial for the predi... Read More about Coevolutionary Diagenesis in Tight Sandstone and Shale Reservoirs within Lacustrine-Delta Systems: A Case Study from the Lianggaoshan Formation in the Eastern Sichuan Basin, Southwest China.

The depositional settings of organic-rich shale in the faulted lacustrine basin: A case study of the Y1 Member of the Yingcheng Formation in the Songliao Basin (2024)
Journal Article
Lan, H., Guo, M., Fu, M., Gluyas, J., Guo, H., Li, D., …Xing, F. (2024). The depositional settings of organic-rich shale in the faulted lacustrine basin: A case study of the Y1 Member of the Yingcheng Formation in the Songliao Basin. Oil Shale, 41(1), 49-70. https://doi.org/10.3176/oil.2024.1.03

Volcanic activity is often associated with the development of faulted lacustrine basins. Organic-rich shale in such basins usually contains abundant volcanic material. The influence of volcanic input on organic-rich shale deposition in the basin stud... Read More about The depositional settings of organic-rich shale in the faulted lacustrine basin: A case study of the Y1 Member of the Yingcheng Formation in the Songliao Basin.

Variations of sedimentary environment under cyclical aridification and impacts on eodiagenesis of tight sandstones from the late Middle Jurassic Shaximiao Formation in Central Sichuan Basin (2024)
Journal Article
Tan, X., Jiang, W., Luo, L., Gluyas, J., Song, L., Liu, J., …Chen, L. (2024). Variations of sedimentary environment under cyclical aridification and impacts on eodiagenesis of tight sandstones from the late Middle Jurassic Shaximiao Formation in Central Sichuan Basin. Marine and Petroleum Geology, 161, Article 106699. https://doi.org/10.1016/j.marpetgeo.2024.106699

Understanding eodiagenesis is essential to decoding the diagenetic pathways of tight sandstones that act as excellent unconventional oil & gas reservoirs. Great paleoclimate change is capable of influencing eodiagenetic processes of tight sandstones... Read More about Variations of sedimentary environment under cyclical aridification and impacts on eodiagenesis of tight sandstones from the late Middle Jurassic Shaximiao Formation in Central Sichuan Basin.

Artificial Intelligence and Human-Induced Seismicity: Initial Observations of ChatGPT (2023)
Journal Article
Wilson, M. P., Foulger, G. R., Wilkinson, M. W., Gluyas, J. G., Mhana, N., & Tezel, T. (2023). Artificial Intelligence and Human-Induced Seismicity: Initial Observations of ChatGPT. Seismological Research Letters, 94(5), 2111-2118. https://doi.org/10.1785/0220230112

Freely available artificial intelligence (AI) tools, such as the Chat Generative Pre‐trained Transformer (ChatGPT), offer an alternative method to online search engines for scientific results and opinions to be automatically collated into concise sum... Read More about Artificial Intelligence and Human-Induced Seismicity: Initial Observations of ChatGPT.

First navigation with wireless muometric navigation system (MuWNS) in indoor and underground environments (2023)
Journal Article
Tanaka, H. K., Gallo, G., Gluyas, J., Kamoshida, O., Lo Presti, D., Shimizu, T., …Yokota, Y. (2023). First navigation with wireless muometric navigation system (MuWNS) in indoor and underground environments. iScience, 26(7), 107000. https://doi.org/10.1016/j.isci.2023.107000

Navigation in indoor and underground environments has been extensively studied to realize automation of home, hospital, office, factory and mining services, and various techniques have been proposed for its implementation. By utilizing the relativist... Read More about First navigation with wireless muometric navigation system (MuWNS) in indoor and underground environments.

The importance of facies, grain size and clay content in controlling fluvial reservoir quality – an example from the Triassic Skagerrak Formation, Central North Sea, UK (2023)
Journal Article

Clay-coated grains play an important role in preserving reservoir quality in high-pressure, high-temperature (HPHT) sandstone reservoirs. Previous studies have shown that the completeness of coverage of clay coats effectively inhibits quartz cementat... Read More about The importance of facies, grain size and clay content in controlling fluvial reservoir quality – an example from the Triassic Skagerrak Formation, Central North Sea, UK.

The effect of meteoric water on the very fine crystalline dolomite reservoir in the shallow burial zone: A case study of the Ma55 submember of Majiagou Formation in Ordos Basin (2023)
Journal Article

The meteoric water has obviously changed the physical properties of dolostone reservoirs in the vertical vadose zone and the horizontal phreatic zone, but its influence on the dolostone reservoirs in the shallow burial zone beneath the phreatic surfa... Read More about The effect of meteoric water on the very fine crystalline dolomite reservoir in the shallow burial zone: A case study of the Ma55 submember of Majiagou Formation in Ordos Basin.

Analytical Solution for Predicting Salt Precipitation During CO2 Injection Into Saline Aquifers in Presence of Capillary Pressure (2022)
Journal Article

Salt precipitation within pores of the reservoir is an important phenomenon occurring during CO2 injection into saline aquifers. The phenomenon results in permeability reduction and injectivity impairment. Salt precipitation mainly happens because of... Read More about Analytical Solution for Predicting Salt Precipitation During CO2 Injection Into Saline Aquifers in Presence of Capillary Pressure.

Petrographic and diagenetic investigation of the distal Triassic ‘Budleighensis’ fluvial system in the Solway and Carlisle Basins for potential CO2 storage (2022)
Journal Article

Failure to find hydrocarbon prospects in the Solway Basin region has resulted in a lack of research into the local Sherwood Sandstone Group petrography, reservoir quality and depositional history compared to the analogous southern reservoirs in the E... Read More about Petrographic and diagenetic investigation of the distal Triassic ‘Budleighensis’ fluvial system in the Solway and Carlisle Basins for potential CO2 storage.

Evolution of nC16H34-water–mineral systems in thermal capsules and geological implications for deeply-buried hydrocarbon reservoirs (2022)
Journal Article

Organic-inorganic interactions between hydrocarbons and most minerals in deeply buried reservoirs remain unclear. In this study, gold capsules and fused silica capillary capsules (FSCCs) with different combinations of nC16H34, water (distilled water,... Read More about Evolution of nC16H34-water–mineral systems in thermal capsules and geological implications for deeply-buried hydrocarbon reservoirs.

First results of undersea muography with the Tokyo-Bay Seafloor Hyper-Kilometric Submarine Deep Detector (2021)
Journal Article

Tidal measurements are of great significance since they may provide us with essential data to apply towards protection of coastal communities and sea traffic. Currently, tide gauge stations and laser altimetry are commonly used for these measurements... Read More about First results of undersea muography with the Tokyo-Bay Seafloor Hyper-Kilometric Submarine Deep Detector.

Karstified and fractured Lower Carboniferous (Mississippian) limestones of the UK; a cryptic geothermal reservoir (2021)
Journal Article

Karstified and fractured Lower Carboniferous (Mississippian) limestones of the UK have been evaluated for their geothermal potential. This wholly undeveloped resource is calculated to be in excess of 26 million GWh (95 EJ) for the P90 case and as muc... Read More about Karstified and fractured Lower Carboniferous (Mississippian) limestones of the UK; a cryptic geothermal reservoir.

Role played by clay content in controlling reservoir quality of submarine fan system, Forties Sandstone Member, Central Graben, North Sea (2021)
Journal Article

Proximal to distal fan change in grain size, clay matrix content, and grain-coating clays have been identified as key contributing factors for eservoir quality evolution of submarine fan turbidite sandstones. This study evaluated the role played by g... Read More about Role played by clay content in controlling reservoir quality of submarine fan system, Forties Sandstone Member, Central Graben, North Sea.

Advanced analysis of satellite data reveals ground deformation precursors to the Brumadinho Tailings Dam collapse (2021)
Journal Article

Catastrophic failure of a tailings dam at an iron ore mine complex in Brumadinho, Brazil, on 25th January 2019 released 11.7 million m3 of tailings downstream. Although reportedly monitored using an array of geotechnical techniques, the collapse occu... Read More about Advanced analysis of satellite data reveals ground deformation precursors to the Brumadinho Tailings Dam collapse.

The differential diagenesis controls on the physical properties of lithofacies in sandstone reservoirs from the Jurassic Shaximiao Formation, western Sichuan depression, China (2020)
Journal Article

The Jurassic Shaximiao Formation on the eastern slope of western Sichuan depression in western Sichuan Basin of China develops a single or overlapping channel sandstones with strong internal heterogeneity. This study aims to reveal the origin of the... Read More about The differential diagenesis controls on the physical properties of lithofacies in sandstone reservoirs from the Jurassic Shaximiao Formation, western Sichuan depression, China.

Vertical effective stress and temperature as controls of quartz cementation in sandstones: Evidence from North Sea fulmar and Gulf of Mexico Wilcox sandstones (2020)
Journal Article

We present quantitative petrographic data, high spatial resolution oxygen isotope analyses of quartz cement, basin modelling and a kinetic model for quartz precipitation for two Paleocene-Eocene Wilcox Group sandstones from Texas and two Jurassic Ful... Read More about Vertical effective stress and temperature as controls of quartz cementation in sandstones: Evidence from North Sea fulmar and Gulf of Mexico Wilcox sandstones.

Distribution Characteristics and Accumulation Model for the Coal‐formed Gas Generated from Permo‐Carboniferous Coal Measures in Bohai Bay Basin, China: A Review (2019)
Journal Article

Coal‐formed gas generated from the Permo‐Carboniferous coal measures has become one of the most important targets for deep hydrocarbon exploration in the Bohai Bay Basin, offshore eastern China. However, the proven gas reserves from this source rock... Read More about Distribution Characteristics and Accumulation Model for the Coal‐formed Gas Generated from Permo‐Carboniferous Coal Measures in Bohai Bay Basin, China: A Review.

How important is carbonate dissolution in buried sandstones: evidences from petrography, porosity, experiments, and geochemical calculations (2019)
Journal Article

Burial dissolution of feldspar and carbonate minerals has been proposed to generate large volumes of secondary pores in subsurface reservoirs. Secondary porosity due to feldspar dissolution is ubiquitous in buried sandstones; however, extensive buria... Read More about How important is carbonate dissolution in buried sandstones: evidences from petrography, porosity, experiments, and geochemical calculations.

Mass transfer between sandstones and interbedded mudstones: Impact on petroleum charge, Bohai Bay Basin, China (2019)
Journal Article

The Permo-Carboniferous sandstones in the Gubei area, Bohai Bay Basin, are reservoirs for large accumulations of natural gas. The natural gas accumulations only occur in the sandstone beds thicker than 1.9 m. Moreover, the maximum porosity of every b... Read More about Mass transfer between sandstones and interbedded mudstones: Impact on petroleum charge, Bohai Bay Basin, China.

Diagenesis and reservoir quality of carbonates rocks and mixed siliciclastic as response of the Late Carboniferous glacio-eustatic fluctuation: A case study of Xiaohaizi Formation in western Tarim Basin (2019)
Journal Article

Late Carboniferous-Permian was a longest-lived and most widespread ice age. The depositional environment, diagenesis and reservoir quality of carbonate rocks as response to the glacio-eustatic changes was analyzed in this study. The Upper Carbonifero... Read More about Diagenesis and reservoir quality of carbonates rocks and mixed siliciclastic as response of the Late Carboniferous glacio-eustatic fluctuation: A case study of Xiaohaizi Formation in western Tarim Basin.

Diagenetic characteristics, evolution, controlling factors of diagenetic system and their impacts on reservoir quality in tight deltaic sandstones: Typical example from the Xujiahe Formation in Western Sichuan Foreland Basin, SW China (2019)
Journal Article

Deeply buried (3000–5000 m), deltaic sandstones of the Upper Triassic Xujiahe Formation are important tight gas reservoirs in the Sichuan Foreland Basin, China. The diagenesis of these tight sandstones was examined using a variety of petrographic and... Read More about Diagenetic characteristics, evolution, controlling factors of diagenetic system and their impacts on reservoir quality in tight deltaic sandstones: Typical example from the Xujiahe Formation in Western Sichuan Foreland Basin, SW China.

A review of feldspar alteration and its geological significance in sedimentary basins: From shallow aquifers to deep hydrocarbon reservoirs (2019)
Journal Article

The feldspar group is one of the most common types of minerals in the earth's crust. Feldspar alteration (including the whole processes of feldspar dissolution, transfer of released solutes, and secondary mineral precipitation) is ubiquitous and impo... Read More about A review of feldspar alteration and its geological significance in sedimentary basins: From shallow aquifers to deep hydrocarbon reservoirs.

Paleo-environment and provenance in a lacustrine shallow-water delta-meandering river sedimentary system: insights from the Middle–Upper Jurassic formations of the Fukang Sag of Junggar Basin, NW China (2019)
Journal Article

The Middle–Upper Jurassic Shishugou Group in the central Junggar Basin was deposited in a lacustrine shallow-water delta-meandering river sedimentary system. The integrated petrological (thin-section, granularity and heavy minerals analysis), geochem... Read More about Paleo-environment and provenance in a lacustrine shallow-water delta-meandering river sedimentary system: insights from the Middle–Upper Jurassic formations of the Fukang Sag of Junggar Basin, NW China.

Coupled mineral alteration and oil degradation in thermal oil-water-feldspar systems and implications for organic-inorganic interactions in hydrocarbon reservoirs (2019)
Journal Article

Organic-inorganic interactions after oil charging are critical for determining the ongoing evolution of hydrocarbons and rock quality in water-wet siliciclastic reservoirs. It is the conceptual approach of this study to simulate and decipher these in... Read More about Coupled mineral alteration and oil degradation in thermal oil-water-feldspar systems and implications for organic-inorganic interactions in hydrocarbon reservoirs.

Reservoir quality prediction of deeply buried tight sandstones in extensively faulted region: A case from the middle-Upper Jurassic Shishugou Group in central Junggar Basin, NW China (2018)
Journal Article

The reservoir quality of tight sandstones is generally determined by the depositional environment, burial depth and diagenesis. However, the relationship between reservoir quality of tight sandstones and the controlling factors are very complicated.... Read More about Reservoir quality prediction of deeply buried tight sandstones in extensively faulted region: A case from the middle-Upper Jurassic Shishugou Group in central Junggar Basin, NW China.

Geothermal Potential of the Global Oil Industry (2018)
Book Chapter
Gluyas, J., Auld, A., Adams, C., Hirst, C., Hogg, S., & Craig, J. (2019). Geothermal Potential of the Global Oil Industry. In B. I. Ismail (Ed.), Renewable geothermal energy explorations (1-11). InTechOpen. https://doi.org/10.5772/intechopen.81062

There are around 40 new geothermal power projects commissioned in each of the last few years. Growth of the market is around 5% annually and current installed capacity is about 13,300 MW with about the same in development in 24 countries. These figur... Read More about Geothermal Potential of the Global Oil Industry.

Tight oil sandstones in Upper Triassic Yanchang Formation, Ordos Basin, N. China: Reservoir quality destruction in a closed diagenetic system (2018)
Journal Article

An investigation of the Triassic Yanchang Formation, Ordos Basin, N. China, revealed that the diagenesis and quality of tight oil sandstone reservoirs (with an average porosity of 9.83% and an average permeability of 0.96 mD) were controlled by a clo... Read More about Tight oil sandstones in Upper Triassic Yanchang Formation, Ordos Basin, N. China: Reservoir quality destruction in a closed diagenetic system.

Porosity preservation due to grain coating illite/smectite: Evidence from Buchan Formation (Upper Devonian) of the Ardmore Field, UK North Sea (2018)
Journal Article

The Buchan Formation sandstone reservoirs from the Ardmore Field in the UK Central North Sea are fluvial-aeolian deposits and provide examples of porosity preservation in deeply-buried reservoirs (2.7–3.2 km) caused by grain-coating illite/smectite (... Read More about Porosity preservation due to grain coating illite/smectite: Evidence from Buchan Formation (Upper Devonian) of the Ardmore Field, UK North Sea.

Argyll Field: the first oil field to be developed on the UK Continental Shelf (2018)
Book Chapter
Gluyas, J., Tang, L., & Jones, S. (2018). Argyll Field: the first oil field to be developed on the UK Continental Shelf. In J. Craig, F. Gerali, F. Macaulay, & R. Sorkhabi (Eds.), History of the European oil and gas industry (77-93). The Geological Society. https://doi.org/10.1144/sp465.3

In June 1975, oil from the Argyll Field became the first to be produced from the UK North Sea. Seventeen years later, the Argyll Field was abandoned with all production facilities removed. In 2001, two new companies, Acorn Oil & Gas and Tuscan Energy... Read More about Argyll Field: the first oil field to be developed on the UK Continental Shelf.

Reactive transport modeling of coupled feldspar dissolution and secondary mineral precipitation and its implication for diagenetic interaction in sandstones (2017)
Journal Article

Dissolution of feldspars and precipitation of secondary minerals (kaolinite, illite and quartz) are significant diagenetic processes in arkosic sandstones. We examined moderately buried sandstones in the Eocene Shahejie Formation from two sags in the... Read More about Reactive transport modeling of coupled feldspar dissolution and secondary mineral precipitation and its implication for diagenetic interaction in sandstones.

Diagenesis and reservoir quality of sandstones with ancient “deep” incursion of meteoric freshwater——An example in the Nanpu Sag, Bohai Bay Basin, East China (2017)
Journal Article

An example of diagenesis and reservoir quality of buried sandstones with ancient incursion of meteoric freshwater is presented in this study. The interpretation is based on information including porosity and permeability, petrography, stable isotopic... Read More about Diagenesis and reservoir quality of sandstones with ancient “deep” incursion of meteoric freshwater——An example in the Nanpu Sag, Bohai Bay Basin, East China.

Monitoring land motion due to natural gas extraction: Validation of the Intermittent SBAS (ISBAS) DInSAR algorithm over gas fields of North Holland, the Netherlands (2016)
Journal Article

The differential interferometric synthetic aperture radar (DInSAR) remote sensing technique has proven to be invaluable in the remote monitoring of earth surface movements associated with the extraction and geostorage (subsurface injection) of natura... Read More about Monitoring land motion due to natural gas extraction: Validation of the Intermittent SBAS (ISBAS) DInSAR algorithm over gas fields of North Holland, the Netherlands.

Simulation of muon radiography for monitoring CO2 stored in a geological reservoir. (2015)
Journal Article
Klinger, J., Clark, S., Coleman, M., Gluyas, J., Kudryavtsev, V., Lincoln, D., …Woodward, D. (2015). Simulation of muon radiography for monitoring CO2 stored in a geological reservoir. International Journal of Greenhouse Gas Control, 42, 644-654. https://doi.org/10.1016/j.ijggc.2015.09.010

Current methods of monitoring subsurface CO2, such as repeat seismic surveys, are episodic and require highly skilled personnel to acquire the data. Simulations based on simplified models have previously shown that muon radiography could be automated... Read More about Simulation of muon radiography for monitoring CO2 stored in a geological reservoir..

Feldspar dissolution, authigenic clays and quartz cement in open and closed geochemical systems during diagenesis; Typical examples from two rift sags in Bohai Bay, East China (2015)
Journal Article
Yuan, G., Cao, Y., Gluyas, J., Li, X., Xi, K., Wang, Y., …Oxtoby, N. (2015). Feldspar dissolution, authigenic clays and quartz cement in open and closed geochemical systems during diagenesis; Typical examples from two rift sags in Bohai Bay, East China. AAPG Bulletin, 99(11), 2121-2154. https://doi.org/10.1306/07101514004

Feldspar dissolution and precipitation of clays and quartz cements are important diagenetic reactions affecting reservoir quality evolution in sandstones with detrital feldspars. We examined two sets of sandstone reservoirs to determine whether the s... Read More about Feldspar dissolution, authigenic clays and quartz cement in open and closed geochemical systems during diagenesis; Typical examples from two rift sags in Bohai Bay, East China.

Geothermal Energy – the Global Opportunity (2015)
Journal Article
Adams, C., Auld, A., Gluyas, J., & Hogg, S. I. (2015). Geothermal Energy – the Global Opportunity. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 229(7), 747-754. https://doi.org/10.1177/0957650915590704

Exploitation of geothermal energy offers a consistent and secure low carbon energy supply. Geothermal energy resources are associated with a variety of geological settings, are available at temperatures ranging from a few tens of degrees to several h... Read More about Geothermal Energy – the Global Opportunity.

Power production via North Sea Hot Brines (2014)
Journal Article
Auld, A., Hogg, S., Berson, A., & Gluyas, J. (2014). Power production via North Sea Hot Brines. Energy, 78, 674-684. https://doi.org/10.1016/j.energy.2014.10.056

Traditionally the power demand of offshore oil platforms is delivered by on-platform gas turbines. Natural gas to fuel these turbines is usually separated from the produced oil. However, in ageing fields as oil production declines so does the associa... Read More about Power production via North Sea Hot Brines.

Heat transport and pressure buildup during carbon dioxide injection into depleted gas reservoirs (2014)
Journal Article
Mathias, S., McElwaine, J., & Gluyas, J. (2014). Heat transport and pressure buildup during carbon dioxide injection into depleted gas reservoirs. Journal of Fluid Mechanics, 756, 89-109. https://doi.org/10.1017/jfm.2014.348

In this article, a two-layer vertical equilibrium model for the injection of carbon dioxide into a low-pressure porous reservoir containing methane and water is developed. The dependent variables solved for include pressure, temperature and $\def \xm... Read More about Heat transport and pressure buildup during carbon dioxide injection into depleted gas reservoirs.

Oil and gas wells and their integrity: Implications for shale and unconventional resource exploitation (2014)
Journal Article
Davies, R., Almond, S., Ward, R., Jackson, R., Adams, C., Worrall, F., …Whitehead, M. (2014). Oil and gas wells and their integrity: Implications for shale and unconventional resource exploitation. Marine and Petroleum Geology, 56, 239-254. https://doi.org/10.1016/j.marpetgeo.2014.03.001

Data from around the world (Australia, Austria, Bahrain, Brazil, Canada, the Netherlands, Poland, the UK and the USA) show that more than four million onshore hydrocarbon wells have been drilled globally. Here we assess all the reliable datasets (25)... Read More about Oil and gas wells and their integrity: Implications for shale and unconventional resource exploitation.

A statistical analysis of well production rates from UK oil and gas fields – Implications for carbon capture and storage (2013)
Journal Article
Mathias, S., Gluyas, J., Mackay, E., & Goldthorpe, W. (2013). A statistical analysis of well production rates from UK oil and gas fields – Implications for carbon capture and storage. International Journal of Greenhouse Gas Control, 19, 510-518. https://doi.org/10.1016/j.ijggc.2013.10.012

The number of wells required to dispose of global CO2 emissions by injection into geological formations is of interest as a key indicator of feasible deployment rate, scale and cost. Estimates have largely been driven by forecasts of sustainable inje... Read More about A statistical analysis of well production rates from UK oil and gas fields – Implications for carbon capture and storage.

On the importance of relative permeability data for estimating CO2 injectivity in brine aquifers (2013)
Journal Article
Mathias, S., Gluyas, J., González Martínez de Miguel, G., Bryant, S., & Wilson, D. (2013). On the importance of relative permeability data for estimating CO2 injectivity in brine aquifers. International Journal of Greenhouse Gas Control, 12, 200-212. https://doi.org/10.1016/j.ijggc.2012.09.017

Performance assessment of possible CO2 storage schemes is often investigated through numerical simulation of the CO2 injection process. An important criterion of interest is the maximum sustainable injection rate. Relevant numerical models generally... Read More about On the importance of relative permeability data for estimating CO2 injectivity in brine aquifers.

Chapter 8 (2012)
Book Chapter
Gluyas, J. (2012). Chapter 8. In E. Neilson, & J. Wills (Eds.), The Technical and Legal Guide to Global Hydrocarbons Volume 1 (327-424). Aberlour Press, Aberdeen

Monitoring subsurface CO2 emplacement and security of storage using muon tomography (2012)
Journal Article
Kudryavtsev, V., Spooner, N., Gluyas, J., Fung, C., & Coleman, M. (2012). Monitoring subsurface CO2 emplacement and security of storage using muon tomography. International Journal of Greenhouse Gas Control, 11, 21-24. https://doi.org/10.1016/j.ijggc.2012.07.023

Storage of supercritical carbon dioxide in the deep subsurface is arguably the most viable industrial scale process available to stop increase of atmospheric CO2. Today, monitoring CO2 emplacement and possible leakage is a major challenge; methods ar... Read More about Monitoring subsurface CO2 emplacement and security of storage using muon tomography.

Development of deep geothermal energy resources in the UK (2012)
Journal Article
Younger, P., Gluyas, J., & Edwards, W. (2012). Development of deep geothermal energy resources in the UK. Energy, 165(1), 19-32. https://doi.org/10.1680/ener.11.00009

Deep geothermal exploration in the UK in the 1980s resulted in only one operative borehole (in Southampton). In 2004, a 995 m deep borehole was drilled into the Weardale granite in County Durham. This project differed markedly from the earlier ‘hot d... Read More about Development of deep geothermal energy resources in the UK.

Role of partial miscibility on pressure buildup due to constant rate injection of CO2 into closed and open brine aquifers (2011)
Journal Article
Mathias, S., Gluyas, J., González Martínez de Miguel, G., & Hosseini, S. (2011). Role of partial miscibility on pressure buildup due to constant rate injection of CO2 into closed and open brine aquifers. Water Resources Research, 47(12), Article W12525. https://doi.org/10.1029/2011wr011051

[1] This work extends an existing analytical solution for pressure buildup because of CO2 injection in brine aquifers by incorporating effects associated with partial miscibility. These include evaporation of water into the CO2 rich phase and dissolu... Read More about Role of partial miscibility on pressure buildup due to constant rate injection of CO2 into closed and open brine aquifers.

Defining simple and comprehensive assessment units for CO2 storage in saline formations beneath the UK North Sea and continental shelf (2011)
Presentation / Conference Contribution

In the UK, by far the largest CO2 storage opportunities lie offshore. The North Sea in particular has a long and complex geological history, with potential reservoirs geographically widespread and occurring at multiple stratigraphic levels. Diverse s... Read More about Defining simple and comprehensive assessment units for CO2 storage in saline formations beneath the UK North Sea and continental shelf.

Underground Coal Gasification (2010)
Journal Article
Younger, P., Gluyas, J., Cox, M., & Roddy, D. (2010). Underground Coal Gasification. Ingenia (London), 43, 42-46

Analytical solution for Joule-Thomson cooling during CO2 geosequestration in depleted oil and gas reservoirs (2010)
Journal Article
Mathias, S., Gluyas, J., Oldenburg, C., & Tsang, C. (2010). Analytical solution for Joule-Thomson cooling during CO2 geosequestration in depleted oil and gas reservoirs. International Journal of Greenhouse Gas Control, 4(5), 806-810. https://doi.org/10.1016/j.ijggc.2010.05.008

Mathematical tools are needed to screen out sites where Joule–Thomson cooling is a prohibitive factor for CO2 geo-sequestration and to design approaches to mitigate the effect. In this paper, a simple analytical solution is developed by invoking stea... Read More about Analytical solution for Joule-Thomson cooling during CO2 geosequestration in depleted oil and gas reservoirs.

Application of Hydrogeological parameters for evaluating the thermal resource potential for deep groundwater systems (2010)
Presentation / Conference Contribution

Geothermal energy has significant global potential as a clean non-intermittent energy resource. Exploiting geothermal energy uses water which either flows naturally or is stimulated to flow in the sub-surface within deep aquifers or fractured basemen... Read More about Application of Hydrogeological parameters for evaluating the thermal resource potential for deep groundwater systems.