Items where NERC Author is "Uguna, Clement"

Publication - Article

Whitelaw, Patrick; Uguna, Clement N.; Stevens, Lee A.; Meredith, Will; Snape, Colin E.; Vane, Christopher H. ORCID: https://orcid.org/0000-0002-8150-3640; Moss-Hayes, Vicky; Carr, Andrew D.. 2019 Shale gas reserve evaluation by laboratory pyrolysis and gas holding capacity consistent with field data. Nature Communications, 10 (1), 3659. https://doi.org/10.1038/s41467-019-11653-4

Monaghan, A.A.; Arsenikos, S.; Quinn, M.F.; Johnson, K.R.; Vincent, C.J.; Vane, C.H. ORCID: https://orcid.org/0000-0002-8150-3640; Kim, A.W.; Uguna, C.N.; Hannis, S.D.; Gent, C.M.A.; Millward, D.; Kearsey, T.I.; Williamson, J.P.. 2017 Carboniferous petroleum systems around the Mid North Sea High, UK. Marine and Petroleum Geology, 88. 282-302. https://doi.org/10.1016/j.marpetgeo.2017.08.019

Castro-Díaz, M.; Uguna, C.N.; Florentino, L.; Díaz-Faes, E.; Stevens, L.A.; Barriocanal, C.; Snape, C.E.. 2017 Evaluation of hydrochars from lignin hydrous pyrolysis to produce biocokes after carbonization. Journal of Analytical and Applied Pyrolysis, 124. 742-751. https://doi.org/10.1016/j.jaap.2016.11.010

Uguna, Clement N.; Carr, Andrew D.; Snape, Colin E.; Meredith, Will; Scotchman, Iain C.; Murray, Andrew; Vane, Christopher H. ORCID: https://orcid.org/0000-0002-8150-3640. 2016 Impact of high water pressure on oil generation and maturation in Kimmeridge Clay and Monterey source rocks: implications for petroleum retention and gas generation in shale gas systems. Marine and Petroleum Geology, 73. 72-85. https://doi.org/10.1016/j.marpetgeo.2016.02.028

Castro Díaz, Miguel; Uguna, Clement N.; Cheeseman, Barry; Barker, James; Snape, Colin E.. 2016 Investigation of the fluid behavior of asphaltenes and toluene insolubles by high-temperature proton nuclear magnetic resonance and rheometry and their application to visbreaking. Energy & Fuels, 30 (3). 2012-2020. https://doi.org/10.1021/acs.energyfuels.5b02675

Isa, Khairuddin Md; Snape, Colin E.; Uguna, Clement; Meredith, Will; Deng, Hui. 2016 Pyrolysis oil upgrading in high conversions using sub- and supercritical water above 400°C. Journal of Analytical and Applied Pyrolysis, 119. 180-188. https://doi.org/10.1016/j.jaap.2016.03.004

Uguna, Clement N.; Carr, Andrew D.; Snape, Colin E.; Meredith, Will. 2016 Retardation of oil cracking to gas and pressure induced combination reactions to account for viscous oil in deep petroleum basins: evidence from oil and n-hexadecane pyrolysis at water pressures up to 900bar. Organic Geochemistry, 97. 61-73. https://doi.org/10.1016/j.orggeochem.2016.04.007

Xie, Liujuan; Sun, Yongge; Uguna, Clement N.; Li, Youchuan; Snape, Colin E.; Meredith, Will. 2016 Thermal cracking of oil under water pressure up to 900 bar at high thermal maturities. 1, gas compositions and carbon isotopes. Energy & Fuels, 30 (4). 2617-2627. https://doi.org/10.1021/acs.energyfuels.5b02792

Uguna, Clement N.; Carr, Andrew D.; Snape, Colin E.; Meredith, Will. 2015 High pressure water pyrolysis of coal to evaluate the role of pressure on hydrocarbon generation and source rock maturation at high maturities under geological conditions. Organic Geochemistry, 78. 44-51. https://doi.org/10.1016/j.orggeochem.2014.10.013

Deng, Hui; Meredith, Will; Uguna, Clement N.; Snape, Colin E.. 2015 Impact of solvent type and condition on biomass liquefaction to produce heavy oils in high yield with low oxygen contents. Journal of Analytical and Applied Pyrolysis, 113. 340-348. https://doi.org/10.1016/j.jaap.2015.02.015

Carr, A.D.; Uguna, C.N.. 2015 Some thoughts on the influence of pressure and thermal history assumptions on petroleum systems modelling. Journal of Petroleum Geology, 38 (4). 459-465. https://doi.org/10.1111/jpg.12621

Publication - Report

Vane, C.H. ORCID: https://orcid.org/0000-0002-8150-3640; Uguna, C.; Kim, A.W.; Monaghan, A.A.. 2016 Organic geochemistry of Palaeozoic Source Rocks of the Irish Sea, UK. British Geological Survey, 24pp. (CR/16/044N) (Unpublished)

Vane, C.H. ORCID: https://orcid.org/0000-0002-8150-3640; Uguna, C.; Kim, A.W.; Monaghan, A.A.. 2016 Organic geochemistry of Palaeozoic Source Rocks, Orcadian Study Area, North Sea, UK. British Geological Survey, 35pp. (CR/16/037N) (Unpublished)

Monaghan, A.A.; Arsenikos, S.; Callaghan, E.; Ellen, R.; Gent, C.; Greenhalgh, E.; Hannis, S.; Henderson, A.; Leslie, G.; Johnson, K.; Kassyk, M.; Kearsey, T.; Kim, A.; Kimbell, G.; Kirk, K.; Quinn, M.; McLean, W.; Millward, D.; Pharaoh, T.; Sankey, M.; Smith, N.; Uguna, C.; Vane, C. ORCID: https://orcid.org/0000-0002-8150-3640; Vincent, C.; Wakefield, O.; Waters, C.; Williamson, P.. 2016 Overview of the 21CXRM Palaeozoic Project : a regional petroleum systems analysis of the offshore Carboniferous and Devonian of the UKCS. British Geological Survey, 24pp. (CR/16/047N) (Unpublished)

Monaghan, A.A.; Johnson, K.; Arsenikos, S.; Callaghan, E.; Fellgett, M.; Hannis, S.; Henderson, A.; Leslie, G.; Kearsey, T.; Kim, A.; Kimbell, G.; Quinn, M.; McLean, W.; Millward, D.; Sankey, M.; Smith, N.; Uguna, C.; Vane, C. ORCID: https://orcid.org/0000-0002-8150-3640; Vincent, C.; Williamson, P.. 2016 Palaeozoic petroleum systems of the Orcadian Basin to Forth Approaches, Quadrants 6 - 21, UK. British Geological Survey, 63pp. (CR/16/038N) (Unpublished)

Vane, C.H. ORCID: https://orcid.org/0000-0002-8150-3640; Uguna, C.; Kim, A.; Johnson, K.; Monaghan, A.A.. 2015 Organic geochemistry of Palaeozoic source rocks, central North Sea (CNS). British Geological Survey, 100pp. (CR/15/123N) (Unpublished)

Monaghan, A.A.; Arsenikos, S.; Callaghan, E.; Ellen, R.; Gent, C.; Hannis, S.; Henderson, A.; Leslie, G.; Johnson, K.; Kassyk, M.; Kearsey, T.; Kim, A.; Kimbell, G.; Quinn, M.; McLean, W.; Millward, D.; Pharaoh, T.; Sankey, M.; Smith, N.; Uguna, C.; Vane, C. ORCID: https://orcid.org/0000-0002-8150-3640; Vincent, C.; Williamson, P.. 2015 Palaeozoic petroleum systems of the central North Sea/Mid North Sea High. British Geological Survey, 92pp. (CR/15/124N) (Unpublished)