Karl Stephen
Karl Stephen
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A model of the processes leading to methane emission from peatland
JRM Arah, KD Stephen
Atmospheric Environment 32 (19), 3257-3264, 1998
Oxidation of methane in peat: kinetics of CH4 and O2 removal and the role of plant roots
A Watson, KD Stephen, DB Nedwell, JRM Arah
Soil Biology and Biochemistry 29 (8), 1257-1267, 1997
Multiple model seismic and production history matching: A case study
KD Stephen, J Soldo, C MacBeth, M Christie
SPE Europec/EAGE Annual Conference, 2005
Sensitivity of the impact of geological uncertainty on production from faulted and unfaulted shallow-marine oil reservoirs: objectives and methods
T Manzocchi, JN Carter, A Skorstad, B Fjellvoll, KD Stephen, JA Howell, ...
Petroleum Geoscience 14 (1), 3-15, 2008
Potential application of low-salinity polymeric-nanofluid in carbonate oil reservoirs: IFT reduction, wettability alteration, rheology and emulsification characteristics
JA Ali, K Kolo, AK Manshad, KD Stephen
Journal of Molecular Liquids 284, 735-747, 2019
An assessment of steady-state scale-up for small-scale geological models
GE Pickup, KD Stephen
Petroleum Geoscience 6 (3), 203-210, 2000
Outcrop-based stochastic modelling of turbidite amalgamation and its effects on hydrocarbon recovery
KD Stephen, JD Clark, AR Gardiner
Petroleum Geoscience 7 (2), 163-172, 2001
Multi-stage upscaling: Selection of suitable methods
GE Pickup, KD Stephen, J Ma, P Zhang, JD Clark
Upscaling Multiphase Flow in Porous Media: From Pore to Core and Beyond, 191-216, 2005
Methanogenesis and CO2 exchange in an ombrotrophic peat bog
D Lloyd, KL Thomas, J Benstead, KL Davies, SH Lloyd, JRM Arah, ...
Atmospheric Environment 32 (19), 3229-3238, 1998
Low-Salinity Polymeric Nanofluid-Enhanced Oil Recovery Using Green Polymer-Coated ZnO/SiO2 Nanocomposites in the Upper Qamchuqa Formation in …
JA Ali, K Kolo, A Khaksar Manshad, KD Stephen
Energy & fuels 33 (2), 927-937, 2019
Modification of LoSal water performance in reducing interfacial tension using green ZnO/SiO2 nanocomposite coated by xanthan
JA Ali, K Kolo, A Khaksar Manshad, K Stephen, A Keshavarz
Applied Nanoscience 9, 397-409, 2019
The local analysis of changing force balances in immiscible incompressible two-phase flow
KD Stephen, GE Pickup, KS Sorbie
Transport in Porous Media 45, 63-88, 2001
Assessing the effect of geological uncertainty on recovery estimates in shallow-marine reservoirs: the application of reservoir engineering to the SAIGUP project
JD Matthews, JN Carter, KD Stephen, RW Zimmerman, A Skorstad, ...
Petroleum Geoscience 14 (1), 35-44, 2008
The 4D seismic signature of oil–water contact movement due to natural production in a stacked turbidite reservoir
C MacBeth, KD Stephen, A McInally
Geophysical Prospecting 53 (2), 183-203, 2005
Schemes for automatic history matching of reservoir modeling: A case of Nelson oilfield in UK
Petroleum Exploration and Development 39 (3), 349-361, 2012
Reservoir simulations developed from an outcrop of incised valley fill strata
KD Stephen, M Dalrymple
AAPG bulletin 86 (5), 797-822, 2002
Emerging applications of TiO2/SiO2/poly (acrylamide) nanocomposites within the engineered water EOR in carbonate reservoirs
JA Ali, K Kolo, AK Manshad, KD Stephen
Journal of Molecular Liquids 322, 114943, 2021
Insights into the fractional flow of low salinity water flooding in the light of solute dispersion and effective salinity interactions
H Al-Ibadi, KD Stephen, E Mackay
Journal of Petroleum Science and Engineering 174, 1236-1248, 2019
Upscaling uncertainty analysis in a shallow-marine environment
KD Stephen, C Yang, JN Carter, JA Howell, T Manzocchi, A Skorstad
Petroleum Geoscience 14 (1), 71-84, 2008
Root-mediated gas transport in peat determined by argon diffusion
KD Stephen, JRM Arah, W Daulat, RS Clymo
Soil Biology and Biochemistry 30 (4), 501-508, 1998
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