Joint publications

Joint publications related to geochemistry and subsurface.


Castro–Díaz, M, Uguna, C N, Florentino, L, Díaz–Faes, E, Stevens, L A, Barriocanal, C, and Snape, C. 2017. Evaluation of hydrochars from lignin hydrous pyrolysis to produce biocokes after carbonization. Journal of Analytical and Applied Pyrolysis, 124, 742–751.


Uguna, C N, Snape, C E, Meredith, W, and Carr, A D. 2016. Retardation of oil cracking to gas and pressure induced combination reactions to account for viscous oil in deep petroleum basins, Organic Geochemistry, 97, 61–73, doi: 10.1016/j.orggeochem.2016.04.007.

Xie, L, Sun, Y, Uguna, C N, Li, Y, Snape, C E, Meredith, W. 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, 2617–2627, doi:

Castro–Díaz, M, Uguna, C N, Cheeseman, B, Barker, J, Snape, C E. 2016. Investigation of the fluid behaviour of asphaltenes and toluene insolubles by high–temperature proton nuclear magnetic resonance and rheometry and their application in visbreaking. Energy & Fuels. 30, 2012–2020, doi:

Isa, K M, Snape, C E, Uguna C, Meredith, W, Deng, H. 2016. Pyrolysis oil upgrading in high conversions using sub– and supercritical water above 400°C. Journal of Analytical and Applied Pyrolysis Journal of Analytical and Applied Pyrolysis. 119, 180–188, doi:

Uguna, C N, Vane, C H, Moss–Hayes, V, Snape, C E, Meredith, W, and Carr, A D. 2016. Evaluation of the shale gas resources in the Upper Bowland shale UK East Midlands: Part 1, gas composition and volume of gas generated, Marine and Petroleum Geology, to be submitted.

Uguna, C N, Carr, A D, Snape, C E, Meredith, W, Scotchman, I C, Murray, A, Vane, C H. 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.


Carr, A D, and Uguna, C N. 2015. Some thoughts on the influence of pressure and thermal history assumptions on the petroleum systems modelling. Journal of Petroleum Geology. 38(4), 459–465.

Uguna, C N, Carr, A D, Snape, C E, Meredith, W. 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.

Marshall, C, Large, D J, Meredith, W, Snape, C E, Uguna, C, Spiro, B F, Orheim, A, Jochmann, M, Mokogwu, I, Wang, Y, Friis, B. 2015. Geochemistry and petrology of Palaeocene coals from Spitsbergen-Part 1: Oil potential and depositional environment. International Journal of Coal Geology, 143, 22–33.


Beriro, D J, Vane, C H, Cave, M R, Nathanail, C P. 2014. Effects of drying and comminution type on the quantification of Polycyclic Aromatic Hydrocarbons (PAH) in a homogenised gasworks soil and the implications for human health risk assessment. Chemosphere, 111, 396–404.

Vane, C H, Kim, A W Beriro, D J, Cave, M R, Knights, K, Moss-Hayes, V, Nathanail, P C. 2014. Polycyclic aromatic hydrocarbons (PAH) and polychlorinated biphenyls (PCB) in urban soils of Greater London, UK. Applied Geochemistry, 51, 303-314.


Uguna, C N, Azri, M H, Snape, C E, Meredith, W, Carr, A D. 2013. A hydrous pyrolysis study to ascertain how gas yields and the extent of maturation for partially matured source rock and bitumen in isolation compared to their whole source rock. Journal of Analytical and Applied Pyrolysis, 103, 268–277.