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Research Output 1990 2019

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

Gravity drainage mechanism in naturally fractured carbonate reservoirs; review and application

Aljuboori, F. A., Lee, J. H., Elraies, K. A. & Stephen, K. D., 27 Sep 2019, In : Energies. 12, 19, 3699.

Research output: Contribution to journalReview article

Open Access
File
Drainage
Carbonates
Gravity
Gravitation
Recovery

Green synthesis of ZnO/SiO2 nanocomposite from pomegranate seed extract: Coating by natural xanthan polymer and its characterisations

Ali, J. A., Kolo, K., Mohammed Sajadi, S., Manshad, A. K. & Stephen, K. D., 29 May 2019, In : Micro and Nano Letters. 14, 6, p. 638-641 4 p.

Research output: Contribution to journalArticle

Seed
seeds
Nanocomposites
nanocomposites
Polymers

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
solute
flooding
salinity
advection-diffusion equation
oil

Low-Salinity Polymeric Nanofluid-Enhanced Oil Recovery Using Green Polymer-Coated ZnO/SiO 2 Nanocomposites in the Upper Qamchuqa Formation in Kurdistan Region, Iraq

Ali, J. A., Kolo, K., Khaksar Manshad, A. & Stephen, K. D., 21 Feb 2019, In : Energy and Fuels. 33, 2, p. 927-937 11 p.

Research output: Contribution to journalArticle

Nanocomposites
Polymers
Oils
Surface tension
Recovery

Modification of LoSal water performance in reducing interfacial tension using green ZnO/SiO2 nanocomposite coated by xanthan

Ali, J. A., Kolo, K., Manshad, A. K., Stephen, K. & Keshavarz, A., Apr 2019, In : Applied Nanoscience. 9, 3, p. 397-409 13 p.

Research output: Contribution to journalArticle

Nanocomposites
Surface Tension
Salinity
salinity
Surface tension

Nano-fluid viscosity screening and study of in situ foam pressure buildup at high-temperature high-pressure conditions

Hamza, M. F., Soleimani, H., Merican, Z. M. A., Sinnathambi, C. M., Stephen, K. D. & Ahmad, A. A., 8 Aug 2019, In : Journal of Petroleum Exploration and Production Technology. p. 1-12 12 p.

Research output: Contribution to journalArticle

Open Access
File
foam
Foams
Screening
viscosity
Viscosity

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

Novel Observations of Salinity Transport in Low-Salinity Waterflooding

Al-Ibadi, H., Stephen, K. & Mackay, E., Jun 2019, In : SPE Journal. 24, 3, p. 1108-1122 15 p.

Research output: Contribution to journalArticle

Well flooding
salinity
Advection
Water
advection
2018

A laboratory study of chemical enhanced oil recovery (CEOR) in compartmentalized sandstone reservoir: A case study of a 2-D phase macro-model reservoir

Hamza, M., Merican, Z., Soleimani, H., Abghari, S., Sinnathambi, C. & Stephen, K. D., Feb 2018, In : ARPN Journal of Engineering and Applied Sciences. 13, 3, p. 893-901 9 p.

Research output: Contribution to journalArticle

Open Access
enhanced oil recovery
sandstone
flooding
oil
water

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
analytical method
history
simulation
spreadsheet
simulator
Open Access
File
history
uncertainty analysis
deconvolution
seismic data
simulation

Effect of SiO2 on the foamability, thermal stability and interfacial tension of a novel nano-fluid hybrid surfactant

Hamza, M., Sinnathambi, C., Merican, Z., Soleimani, H. & Stephen, K. D., Jan 2018, In : International Journal of Advanced and Applied Sciences. 5, 1, p. 113-122 10 p.

Research output: Contribution to journalArticle

Open Access
File
Surface tension
Surface active agents
Thermodynamic stability
Fluids
Foams

Laboratory Characterization of crude oil and sandstone reservoir for Chemical Enhanced Oil Recovery

Hamza, M. F., Soleimani, H., Sinnathambi, C. M., Merican, Z. M. A. & Stephen, K. D., 11 Jun 2018, In : World Journal of Engineering . 15, 3, p. 354-361 8 p.

Research output: Contribution to journalArticle

Open Access
File
Petroleum reservoirs
Sandstone
Oil fields
Crude oil
Recovery

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

One-pot Synthesis and Static Bulk Foam Studies of C18-conjugated Zwitterionic Surfactant

Hamza, M. F., Soleimani, H., Merican, Z. M. A., Sinnathambi, C. M. & Stephen, K. D., 30 Nov 2018, In : Journal of Physics: Conference Series. 1123, 1, 012063.

Research output: Contribution to journalConference article

Open Access
File
betaines
foams
surfactants
synthesis
salinity

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

An Overview of the Present Stability and Performance of EOR-Foam

Hamza, M. F., Sinnathambi, C. M., Merican, Z. M. A., Soleimani, H. & Stephen, K. D., Sep 2017, In : Sains Malaysiana. 46, 9, p. 1641–1650 10 p.

Research output: Contribution to journalArticle

Open Access
Foams
Oil fields
Recovery
Fluids
Gases

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
2014
Open Access
File
seismic data
history
prediction
filter
normalisation
2013

Observed spatial statistics of permeability and the effects on fluid flow: are we getting it right?

Lin, X-Q., Stephen, K. D. & Steele, R., 2013. 22 p.

Research output: Contribution to conferencePaper

variogram
fluid flow
permeability
outcrop
modeling

Optimal parameter updating in assisted history matching using streamlines as a guide

Kazemi, A. & Stephen, K. D., May 2013, In : Oil and Gas Science and Technology. 68, 3, p. 577-594 18 p.

Research output: Contribution to journalArticle

Shale
Uncertainty

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
turbidite
outcrop
permeability
gravel
simulation

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
Open Access
File
history
well
seismic data
prediction
simulation

When closing the loop with reservoir simulations, size matters

Stephen, K. D. & Sagitov, I. R., 17 Nov 2013, p. 1-5. 5 p.

Research output: Contribution to conferencePaper

simulation
seismic data
history
prediction
acoustics
2012

Assisted seismic history matching in different domains: what seismic data should we compare?

Sagitov, I. R. & Stephen, K. D., Jun 2012, p. 1-12. 12 p.

Research output: Contribution to conferencePaper

seismic data
history
upscaling
elastic property
inverse problem

Assisted seismic history matching of the Nelson Field: managing large numbers of unknowns by divide and conquer

Stephen, K. D., Kazemi, A. & Sedighi Dehkordi, F., Jun 2012, p. 1-10. 10 p.

Research output: Contribution to conferencePaper

history
deconvolution
seismic data
simulation
uncertainty analysis

Improve convergence rate of seismic history matching using NAPG

Arwini, S. & Stephen, K. D., 25 Nov 2012, p. 1-5. 5 p.

Research output: Contribution to conferencePoster

Petroleum reservoirs
Uncertainty analysis
Design of experiments
Uncertainty

Schemes for automatic history matching of reservoir modeling: A case of Nelson oilfield in UK

Kazemi, A. & Stephen, K. D., Jun 2012, In : Petroleum Exploration and Development. 39, 3, p. 349–361 13 p.

Research output: Contribution to journalArticle

history
modeling
simulation
seismic data
parameter
2011

Automatic production and seismic history matching by updating locally and by geological environment in the Nelson field

Kazemi, A. & Stephen, K. D., May 2011, p. 15 pp. 15 p.

Research output: Contribution to conferencePaper

Combining experimental design with proxy derived sensitivities to improve convergence rates in seismic history matching

Arwini, S. & Stephen, K. D., May 2011, p. 16 pp. 16 p.

Research output: Contribution to conferencePaper

Exploring the effect of meso-scale shale beds on a reservoir's overall stress sensitivity to seismic waves

MacBeth, C., HajNasser, Y., Stephen, K. & Gardiner, A. R., Jan 2011, In : Geophysical Prospecting. 59, 1, p. 90-110 21 p.

Research output: Contribution to journalArticle

seismic wave
shale
prediction
elastic wave
in situ stress

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

Faster convergence in seismic history matching by divding and conquering the unknowns

Sedighi Dehkordi, F. & Stephen, K. D., Dec 2010, In : SPE Journal. 15, 4, p. 1077-1088 12 p.

Research output: Contribution to journalArticle