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Research Output 1990 2019

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Conference contribution
2019

Analytical and numerical solutions of chemical flooding in a layered reservoir with a focus on low salinity water flooding

Al-Ibadi, H., Stephen, K. & Mackay, E., 8 Apr 2019, 20th European Symposium on Improved Oil Recovery. EAGE Publishing BV

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Well flooding
flooding
Recovery
Flow of fluids
Water

Analytical solution of chemical flooding in heterogeneous non-communicating layers with a focus on low salinity water flooding

Al-Ibadi, H., Stephen, K. & Mackay, E., 3 Jun 2019, SPE Europec Featured at 81st EAGE Conference and Exhibition 2019. Society of Petroleum Engineers , SPE-195446-MS

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Well flooding
flooding
Water
salinity
Solute transport

Geological heterogeneous effect on fluid flow and solute transport during low salinity water flooding

Al-Ibadi, H., Stephen, K. & Mackay, E., 2019, 4th EAGE Conference on Petroleum Geostatistics. EAGE Publishing BV, ThP02

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Solute Transport
Solute transport
Salinity
Flooding
salinity

Identification of fault systems and characterization of structural model: A case study from the cretaceous reservoir in the Giant Oil Field, Southern of Iraq

Al-Ali, A., Shams, A. & Stephen, K., 3 Jun 2019, SPE Europec Featured at 81st EAGE Conference and Exhibition 2019. Society of Petroleum Engineers , SPE-195443-MS

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Petroleum reservoirs
Oil fields
oil field
Identification (control systems)
Cretaceous

Improved carbonate reservoir characterization: A case study from a supergiant field in southern of Iraq

Al-Ali, A., Stephen, K. & Shams, A., 2019, SPE Middle East Oil and Gas Show and Conference, 18-21 March, Manama, Bahrain. Society of Petroleum Engineers , SPE-194934-MS

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Carbonates
Porosity
Acoustic impedance
Lithology
Physics

New insights into the spatial distribution of complex carbonate channels using geostatistical approach: A case study

Al-Ali, A., Stephen, K. & Shams, A., 2019, 4th EAGE Conference on Petroleum Geostatistics. EAGE Publishing BV, WeP19

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Spatial Distribution
Spatial distribution
Carbonates
carbonates
spatial distribution
2018

An updated fractional flow model of low salinity water flooding with respect to the impact of salt diffusion

Al-Ibadi, H., Stephen, K. & Mackay, E., 2018, SPE Trinidad and Tobago Section Energy Resources Conference 2018. Society of Petroleum Engineers , SPE-191222-MS

Research output: Chapter in Book/Report/Conference proceedingConference contribution

flooding
Salts
salt
Water
salinity

Novel Observations of Salt Front Behaviour in Low Salinity Water Flooding

Al-Ibadi, H., Stephen, K. D. & Mackay, E. J., 22 Apr 2018, SPE Western Regional Meeting, 22-26 April, Garden Grove, California, USA. 16 p. SPE-190068-MS

Research output: Chapter in Book/Report/Conference proceedingConference contribution

flooding
salt
salinity
advection
solute transport

Optimizing automatic history matching for field application using genetic algorithm and particle swarm optimization

Sangyhun, L. & Stephen, K. D., 2018, Offshore Technology Conference Asia, 20-23 March, Kuala Lumpur, Malaysia . Offshore Technology Conference, p. 84-111 28 p. OTC-28401-MS

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Particle swarm optimization (PSO)
Genetic algorithms
Parameterization
Aquifers
Porosity

Uncertainty analysis using design of experiments to assess the development plan of a North Sea field

Guerrero, A. & Stephen, K., 2018, SPE Trinidad and Tobago Section Energy Resources Conference 2018. Society of Petroleum Engineers , SPE-191244-MS

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Uncertainty analysis
uncertainty analysis
experimental design
Design of experiments
Oils
2017

Fracture Conductivity Effect in DFN modelling Using Carbonate Outcrop Data

Aljuboori, F., Lee, J., Elraies, K. & Stephen, K. D., 18 Dec 2017, Proceedings of the Third Announcement International Workshop on Modelling, Simulation & Optimization for Geosciences & Petroleum Engineering.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

outcrop
conductivity
carbonate
modeling
connectivity

The Impact of Contact Area and Fracture Surface Roughness on Fluid Flow in Fractured Reservoirs

Aljuboori, F., Lee, J., Elraies, K. & Stephen, K. D., 18 Dec 2017, International Workshop on Modelling, Simulation & Optimization for Geosciences & Petroleum Engineering.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

surface roughness
fluid flow
permeability
fracture network
void
2016

High-Resolution studies of polymer flooding in heterogeneous layered reservoirs

Shotton, M., Stephen, K. D. & Giddins, M. A., 2016, SPE EOR Conference at Oil and Gas West Asia, 21-23 March, Muscat, Oman. Society of Petroleum Engineers , SPE-179754-MS

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Polymers
flooding
polymer
Oils
Water

New approach for optimization of polymer flooding as an enhanced oil recovery method

Alikhani, P. & Stephen, K. D., 31 May 2016, 78th EAGE Conference and Exhibition 2016. EAGE Publishing BV

Research output: Chapter in Book/Report/Conference proceedingConference contribution

oil recovery
recovery method
enhanced oil recovery
Polymers
Oils
2013

Optimizing the integration of 4D seismic data in history matching: which data should we compare?

Sagitov, I. R. & Stephen, K. D., Jun 2013, 75th European Association of Geoscientists and Engineers Conference and Exhibition 2013: Changing Frontiers: Incorporating SPE EUROPEC 2013. Houten: EAGE Publishing BV, p. 5834-5846 13 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

seismic data
history
nonlinearity
acoustics
elastic property

Seismic history matching with saturation indicators combined with multiple objective function optimization

Stephen, K. D., 2013, 75th European Association of Geoscientists and Engineers Conference and Exhibition 2013: Changing Frontiers: Incorporating SPE EUROPEC 2013. Houten: EAGE Publishing BV, p. 5823-5833 11 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

saturation
history
seismic data
multiple use
indicator
2011

Pseudo-adsorption isotherm matching for oil field scale squeeze treatments using a Simple Genetic Algorithm

Vazquez, O., Skrepnyuk, K. & Stephen, K. D., 2011, 22nd International Oil Field Chemistry Symposium. London: Energy Institute

Research output: Chapter in Book/Report/Conference proceedingConference contribution

genetic algorithm
oil field
inhibitor
isotherm
adsorption
2010

A new method to improve convergence rates with seismic history matching (SPE-131545)

Stephen, K. & Arwini, S., 2010, Society of Petroleum Engineers - 72nd European Association of Geoscientists and Engineers Conference and Exhibition 2010 - Incorporating SPE EUROPEC 2010. Vol. 4. p. 3094-3108 15 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

history
rate
method
petroleum
parameter

Improved convergence in seismic history matching combining experimental design with a divide and conquer approach

Sedighi, F. & Stephen, K. D., 2010, Society of Petroleum Engineers - 72nd European Association of Geoscientists and Engineers Conference and Exhibition 2010 - Incorporating SPE EUROPEC 2010. Vol. 6. p. 3954-3958 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

experimental design
history
seismic data
well
prediction

Optimal parameter updating in assisted history matching of the Nelson field using streamlines as a guide

Kazemi, A. & Stephen, K. D., 2010, Society of Petroleum Engineers - 72nd European Association of Geoscientists and Engineers Conference and Exhibition 2010 - Incorporating SPE EUROPEC 2010. Vol. 4. p. 2530-2545 16 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

history
prediction
simulation
well
parameter

Seismic history matching of nelson using time-lapse seismic data: An investigation of 4D signature normalization

Kazemi, A., Stephen, K. D. & Shams, A., 2010, Society of Petroleum Engineers - 72nd European Association of Geoscientists and Engineers Conference and Exhibition 2010 - Incorporating SPE EUROPEC 2010. Vol. 4. p. 2494-2508 15 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

seismic data
history
prediction
well
normalisation
2009

Assessing the value of time-lapse seismic in history matching and forecasts of the Schiehallion field

Stephen, K. D. & Edriz, N., 2009, Society of Petroleum Engineers - 71st European Association of Geoscientists and Engineers Conference and Exhibition 2009. Vol. 3. p. 1596-1600 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

history
infill
forecast
seismic data
well

Automatic seismic and production history matching in Nelson using different updating schemes

Kazemi, A. & Stephen, K. D., 2009, Society of Petroleum Engineers - 71st European Association of Geoscientists and Engineers Conference and Exhibition 2009. Vol. 3. p. 1748-1752 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

history
prediction
parameter
forecast

Faster convergence in seismic history matching by efficient parameter searching

Sedighi, F. & Stephen, K. D., 2009, Society of Petroleum Engineers - 71st European Association of Geoscientists and Engineers Conference and Exhibition 2009. Vol. 3. p. 1772-1785 14 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Regression analysis
Polynomials
Industry
Uncertainty
2008

History matching with time-lapse seismic - will any starting model do?

Edris, N. R. & Stephen, K. D., 2008, Society of Petroleum Engineers - 70th European Association of Geoscientists and Engineers Conference and Exhibition - Incorporating SPE EUROPEC 2008. Vol. 2. p. 1225-1229 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Parameterization
Uncertainty

Improved reservoir description of the Nelson field via seismic history matching

Kazemi, A. & Stephen, K. D., 2008, Society of Petroleum Engineers - 70th European Association of Geoscientists and Engineers Conference and Exhibition - Incorporating SPE EUROPEC 2008. Vol. 2. p. 1220-1224 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

history
fault geometry
infill
targeting
decision making

The impact of sub-seismic shale layers on the reservoir's stress sensitivity

MacBeth, C., Stephen, K. & Gardiner, A., Jan 2008, SEG Technical Program Expanded Abstracts 2008. Vol. 27. p. 3209-3213 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

shale
permeability
sand
seismic survey
seismic response

Updating fault transmissibilities in simulations by successively adding data to an automated seismic history matching processes: a case study

Edris, N., Stephen, K., Shams, A. & MacBeth, C., 2008, 70th European Association of Geoscientists and Engineers Conference and Exhibition - Incorporating SPE EUROPEC 2008. Society of Petroleum Engineers , Vol. 2. p. 1153-1162 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

history
simulation
flow control
upscaling
seismic survey
2006

Inverting for the petro-elastic model via seismic history matching

Stephen, K. D. & MacBeth, C., Jan 2006, SEG Technical Program Expanded Abstracts 2006. Vol. 25. p. 1688-1692 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

history
transform
simulation
shale
acoustics
2003

Sensitivity Analysis on the Two-Phase Flow Properties in a Turbidite Reservoir

Di Pierro, E., Stephen, K. D., McDougall, S. R. M. & Pickup, G. E., 2003, Proceedings of the SPE Latin American and Caribbean Petroleum Engineering Conference. p. 186-201 16 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

capillary pressure
two phase flow
turbidite
sensitivity analysis
wettability
2002

Modeling and Flow Simulations of a North Sea Turbidite Reservoir: Sensitivities and Upscaling

Stephen, K. D., Clark, J. D. & Pickup, G. E., 2002, European Petroleum Conference, 29-31 October, Aberdeen, United Kingdom. Society of Petroleum Engineers , p. 123-137 15 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

upscaling
turbidite
two phase flow
transition zone
mudstone
1999

Steady state solutions of immiscible two-phase flow in strongly heterogeneous media: Implications for upscaling

Stephen, K. D. & Pickup, G. E., 1999, Proceedings of the SPE Symposium on Reservoir Simulation. p. 303-304 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

heterogeneous medium
upscaling
two phase flow
method