• 821 Citations
  • 16 h-Index
20022018
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Research Output 2002 2018

  • 821 Citations
  • 16 h-Index
  • 42 Article
  • 22 Conference contribution
2018
Micelles
salinity
Surface-Active Agents
micelles
Surface active agents
1 Citation (Scopus)

Development of thermo-responsive polymers for ceor in extreme conditions: Applicability to Oman oil fields

Divers, T., Al-Hashmi, A. R., Al Maamari, R. & Favero, C., Jan 1 2018, Society of Petroleum Engineers - SPE EOR Conference at Oil and Gas West Asia 2018. Society of Petroleum Engineers, Vol. 2018-March.

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

Oil fields
oil field
Polymers
polymer
Porous materials
2 Citations (Scopus)

Experimental Investigation of Wettability Alteration of Oil-Wet Carbonates by a Non-ionic Surfactant

Souayeh, M., Al Maamari, R., Aoudia, M., Karimi, M. & Hadji, M., Jan 1 2018, (Accepted/In press) In : Energy and Fuels.

Research output: Contribution to journalArticle

Carbonates
Nonionic surfactants
Surface-Active Agents
Wetting
Oils
2017
6 Citations (Scopus)
Single-walled carbon nanotubes (SWCN)
Molecular dynamics
Ethanol
ethyl alcohol
carbon nanotubes
2016
4 Citations (Scopus)

Application of nanoparticles to improve the performance of microwave assisted gravity drainage (MWAGD) as a thermal oil recovery method

Al-Farsi, H., Pourafshary, P. & Al-Maamari, R. S., 2016, Society of Petroleum Engineers - SPE EOR Conference at Oil and Gas West Asia, OGWA 2016. Society of Petroleum Engineers

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

Thermal oil recovery
recovery method
Drainage
Gravitation
Microwaves
1 Citation (Scopus)

Effect of Sodium Carbonate on the Cloud Point in Alkyl Ether/Brine Systems: Apparent Relation with Dynamic Interfacial Tension Minimum

Hadji, M., Aoudia, M., Al-Rubkhi, A., Al-Maamari, R. S. & Hadj-Ziane-Zafour, A., Nov 1 2016, In : Journal of Surfactants and Detergents. 19, 6, p. 1223-1229 7 p.

Research output: Contribution to journalArticle

sodium carbonates
Surface-Active Agents
Ether
Surface tension
Carbonates
24 Citations (Scopus)

Impact of Sulfate Ions on Wettability Alteration of Oil-Wet Calcite in the Absence and Presence of Cationic Surfactant

Karimi, M., Al-Maamari, R. S., Ayatollahi, S. & Mehranbod, N., Feb 18 2016, In : Energy and Fuels. 30, 2, p. 819-829 11 p.

Research output: Contribution to journalArticle

Calcium Carbonate
Cationic surfactants
Calcite
Sulfates
Wetting
6 Citations (Scopus)

Improving polymer flooding efficiency in Oman oil fields

Al-Hashmi, A. R., Divers, T., Al-Maamari, R. S., Favero, C. & Thomas, A., 2016, Society of Petroleum Engineers - SPE EOR Conference at Oil and Gas West Asia, OGWA 2016. Society of Petroleum Engineers

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

Oil fields
oil field
Polymers
flooding
polymer
2 Citations (Scopus)

Laboratory support of heavy-oil polymer flood project

Al-Maamari, R. S., Al-Hashmi, A., Al-Azri, N., Al-Riyami, O., Al-Mjeni, R., Dupuis, G. & Zaitoun, A., 2016, Society of Petroleum Engineers - SPE EOR Conference at Oil and Gas West Asia, OGWA 2016. Society of Petroleum Engineers

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

heavy oil
Polymers
polymer
Crude oil
rheology

Low tension water flood LTWF for enhanced oil recovery in a tight carbonate oilfield

Al-Rubkhi, A. A., Karimi, M., Hadji, M., Al-Maamari, R. S. & Aoudia, M., 2016, Society of Petroleum Engineers - SPE EOR Conference at Oil and Gas West Asia, OGWA 2016. Society of Petroleum Engineers

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

enhanced oil recovery
Carbonates
Surface-Active Agents
surfactant
Oils
23 Citations (Scopus)
imbibition
Cationic surfactants
wettability
brine
surfactant
2015
11 Citations (Scopus)

CO2 greenhouse emissions in Oman over the last forty-two years: Review

Abdul-Wahab, S. A., Charabi, Y., Al-Maamari, R., Al-Rawas, G. A., Gastli, A. & Chan, K., Dec 2 2015, In : Renewable and Sustainable Energy Reviews. 52, p. 1702-1712 11 p.

Research output: Contribution to journalArticle

Greenhouses
Natural gas
Gas emissions
Greenhouse gases
Crude oil
7 Citations (Scopus)

Development of thermo-gels for in depth conformance control

Al-Maamari, R. S., Al-Hashami, A. R., Al-Sharji, H. H., Dupuis, G., Bouillot, J., Templier, A. & Zaitoun, A., 2015, Society of Petroleum Engineers - SPE Asia Pacific Enhanced Oil Recovery Conference, EORC 2015. Society of Petroleum Engineers, p. 743-760 18 p.

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

Gels
gel
temperature
Polymers
polymer
2 Citations (Scopus)
Crude oil
Genetic algorithms
Viscosity
Petroleum industry
Binary mixtures
3 Citations (Scopus)

Greenhouse gas (GHG) emissions in the Sultanate of Oman

Abdul-Wahab, S. A., Charabi, Y., Al-Rawas, G. A., Al-Maamari, R., Gastli, A. & Chan, K., Jun 1 2015, In : Greenhouse Gases: Science and Technology. 5, 3, p. 339-346 8 p.

Research output: Contribution to journalArticle

Gas emissions
Greenhouse gases
greenhouse gas
Natural gas
Gas fuels
4 Citations (Scopus)

Klinkenberg-corrected gas permeability correlation for Shuaiba carbonate formation

Al-Jabri, R. A., Al-Maamari, R. S. & Wilson, O. B., Jul 1 2015, In : Journal of Petroleum Science and Engineering. 131, p. 172-176 5 p.

Research output: Contribution to journalArticle

Gas permeability
Carbonates
permeability
carbonate
gas
39 Citations (Scopus)
Calcium Carbonate
Cationic surfactants
Calcite
wettability
calcite
10 Citations (Scopus)
salinity
sulfonates
Ether
Ethers
ethers
6 Citations (Scopus)
oil recovery
Surface-Active Agents
soaps
Soaps (detergents)
Surface tension
2014

Examinations of effective coagulant for polymer flood produced water and pilot trial in Oman

Kojima, K., Tasaki, M., Okamura, K., Sueyoshi, M. & Al-Maamari, R. S., 2014, In : Journal of the Japan Petroleum Institute. 57, 6, p. 276-286 11 p.

Research output: Contribution to journalArticle

Polymers
Aluminum
Coagulation
Produced Water
Recovery
15 Citations (Scopus)

In-situ rheology and mechanical degradation of EOR polyacrylamide solutions under moderate shear rates

Mansour, A. M., Al-Maamari, R. S., Al-Hashmi, A. S., Zaitoun, A. & Al-Sharji, H., 2014, In : Journal of Petroleum Science and Engineering. 115, p. 57-65 9 p.

Research output: Contribution to journalArticle

Polyacrylates
rheology
Rheology
Shear deformation
polymer
6 Citations (Scopus)

Mechanical stability of high-molecular-weight polyacrylamides and an (acrylamido tert-butyl sulfonic acid)-acrylamide copolymer used in enhanced oil recovery

Al-Hashmi, A. A., Al-Maamari, R., Al-Shabibi, I., Mansoor, A., Al-Sharji, H. & Zaitoun, A., Oct 15 2014, In : Journal of Applied Polymer Science. 131, 20, 40921.

Research output: Contribution to journalArticle

Sulfonic Acids
Acrylamide
Mechanical stability
Polyacrylates
Oils
1 Citation (Scopus)

Polymer flood produced water treatment trials

Al-Maamari, R. S., Sueyoshi, M., Tasaki, M., Kojima, K. & Okamura, K., 2014, Society of Petroleum Engineers - 30th Abu Dhabi International Petroleum Exhibition and Conference, ADIPEC 2014: Challenges and Opportunities for the Next 30 Years. Society of Petroleum Engineers, Vol. 5. p. 3605-3623 19 p.

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

Water treatment
water treatment
Polymers
Oils
polymer
2013
12 Citations (Scopus)

Adsorption of high-molecular-weight EOR polymers on glass surfaces using AFM and QCM-D

Al-Hashmi, A. R., Luckham, P. F., Heng, J. Y. Y., Al-Maamari, R. S., Zaitoun, A., Al-Sharji, H. H. & Al-Wehaibi, T. K., May 16 2013, In : Energy and Fuels. 27, 5, p. 2437-2444 8 p.

Research output: Contribution to journalArticle

Quartz crystal microbalances
Polymers
Oils
Molecular weight
Adsorption
7 Citations (Scopus)

Mechanical and thermal stability of polyacrylamide-based microgel products for EOR

Dupuis, G., Al-Maamari, R. S., Al-Hashmi, A. R., Al-Sharji, H. H. & Zaitoun, A., 2013, Proceedings - SPE International Symposium on Oilfield Chemistry. Vol. 2. p. 1104-1114 11 p.

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

Mechanical stability
Polyacrylates
Polymers
Thermodynamic stability
Xanthan gum
2 Citations (Scopus)

Pilot treatment trials for different oilfeld produced waters in Oman

Tasaki, M., Okamura, K., Sueyoshi, M. & Al-Maamari, R., 2013, In : Journal of the Japan Petroleum Institute. 56, 6, p. 406-413 8 p.

Research output: Contribution to journalArticle

Flocculation
Coagulation
Flotation
Adsorption
Sulfur compounds
37 Citations (Scopus)

Rheology and mechanical degradation of high-molecular-weight partially hydrolyzed polyacrylamide during flow through capillaries

Al Hashmi, A. R., Al Maamari, R. S., Al Shabibi, I. S., Mansoor, A. M., Zaitoun, A. & Al Sharji, H. H., May 2013, In : Journal of Petroleum Science and Engineering. 105, p. 100-106 7 p.

Research output: Contribution to journalArticle

Polyacrylates
rheology
Rheology
polymer
Molecular weight
2012

A reservoir management tool for an Omani fractured carbonate reservoir: A case study

Al Sinani, I. S., Al Maamari, R. S., Al Wadhahi, M. A. & Paino, W. F., 2012, Society of Petroleum Engineers - International Petroleum Technology Conference 2012, IPTC 2012. Vol. 1. p. 374-384 11 p.

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

Reservoir management
Petroleum reservoirs
Carbonates
Oils
carbonate
4 Citations (Scopus)

Brine versus Klinkenberg corrected gas permeability correlation for Shuaiba carbonate formation

Al-Bulushi, I. R., Al-Maamari, R. S. & Wilson, O. B., Aug 2012, In : Journal of Petroleum Science and Engineering. 92-93, p. 24-29 6 p.

Research output: Contribution to journalArticle

Gas permeability
brine
Carbonates
permeability
carbonate
2 Citations (Scopus)

Flotation, filtration, and adsorption pilot trials for oilfield produced water treatment

Al-Maamari, R. S., Sueyoshi, M., Tasaki, M., Okamura, K., Al-Lawati, Y., Nabulsi, R. & Al-Battashi, M., 2012, Society of Petroleum Engineers - Abu Dhabi International Petroleum Exhibition and Conference 2012, ADIPEC 2012 - Sustainable Energy Growth: People, Responsibility, and Innovation. Vol. 2. p. 1206-1222 17 p.

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

Flotation
Water treatment
water treatment
adsorption
Adsorption
39 Citations (Scopus)

Laboratory investigation of low salinity waterflooding for carbonate reservoirs

Al-Harrasi, A. S., Al-Maamari, R. S. & Masalmeh, S., 2012, Society of Petroleum Engineers - Abu Dhabi International Petroleum Exhibition and Conference 2012, ADIPEC 2012 - Sustainable Energy Growth: People, Responsibility, and Innovation. Vol. 3. p. 1620-1631 12 p.

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

Well flooding
Carbonates
Oils
imbibition
salinity
4 Citations (Scopus)

Optimization of viscosifying surfactant technology for chemical EOR

Morvan, M., Degré, G., Beaumont, J., Dupuis, G., Zaitoun, A., Al-Maamari, R. S., Al-Hashmi, A. R. & Al-Sharji, H. H., 2012, Proceedings - SPE Symposium on Improved Oil Recovery. Vol. 1. p. 777-790 14 p.

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

surfactant
Polymer solutions
Surface active agents
polymer
Fluids
8 Citations (Scopus)

Preparation and characterization of adsorbents for treatment of water associated with oil production

Sueyoshi, M., Al-Maamari, R. S., Jibril, B., Tasaki, M., Okamura, K., Kuwagaki, H., Yahiro, H., Sagata, K. & Han, Y., Sep 2012, In : Journal of Analytical and Applied Pyrolysis. 97, p. 80-87 8 p.

Research output: Contribution to journalArticle

Adsorbents
Oils
Water
Transmission electron microscopy
Petroleum
63 Citations (Scopus)

Shear stability of EOR polymers

Zaitoun, A., Makakou, P., Blin, N., Al-Maamari, R. S., Al-Hashmi, A. R., Abdel-Goad, M. & Al-Sharji, H. H., Jun 2012, In : SPE Journal. 17, 2, p. 335-339 5 p.

Research output: Contribution to journalArticle

polymer
Polymers
Degradation
Polyacrylates
Molecular weight
10 Citations (Scopus)
Polyacrylates
Hydration
Anions
hydration
Potassium
2 Citations (Scopus)

Viscosifying surfactant technology for chemical EOR: A reservoir case

Degré, G., Morvan, M., Beaumont, J., Colin, A., Dupuis, G., Zaitoun, A., Al-Maamari, R. S., Al-Hashmi, A. R. & Al-Sharji, H. H., 2012, Society of Petroleum Engineers - SPE EOR Conference at Oil and Gas West Asia 2012, OGWA - EOR: Building Towards Sustainable Growth. Vol. 2. p. 500-514 15 p.

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

Surface-Active Agents
Polymer solutions
surfactant
Surface active agents
polymer
4 Citations (Scopus)

Viscosifying surfactant technology for heavy oil reservoirs

Morvan, M., Degré, G., Beaumont, J., Colin, A., Dupuis, G., Zaitoun, A., Al-Maamari, R. S., Al-Hasmi, A. R. & Al-Sharji, H. H., 2012, Society of Petroleum Engineers - SPE Heavy Oil Conference Canada 2012. Vol. 1. p. 494-506 13 p.

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

Petroleum reservoirs
Polymer solutions
heavy oil
Surface-Active Agents
surfactant
2011

A reservoir management tool for an omani fractured carbonate reservoir: A case study

Ibrahim, S., Sinani, A., Al Maamari, R., Al Wadhahi, M. & Paino, W. F., Jan 1 2011, International Petroleum Technology Conference 2011, IPTC 2011. International Petroleum Technology Conference (IPTC)

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

Reservoir management
Petroleum reservoirs
Carbonates
carbonates
Oils
12 Citations (Scopus)

Fluids' dynamics in transient air sparging of a heterogeneous unconfined aquifer

Al-Maamari, R. S., Hirayama, A., Shiga, T., Sueyoshi, M. N., Al-Shuely, M., Abdalla, O. A. E. & Kacimov, A. R., Jul 2011, In : Environmental Earth Sciences. 63, 6, p. 1189-1198 10 p.

Research output: Contribution to journalArticle

air sparging
unconfined aquifer
fluid dynamics
Fluid dynamics
Aquifers
16 Citations (Scopus)

Shear stability of EOR polymers

Zaitoun, A., Makakou, P., Blin, N., Al-Maamari, R. S., Al-Hashmi, A. R., Abdel-Goad, M. & Al-Sharji, H. H., 2011, Proceedings - SPE International Symposium on Oilfield Chemistry. Vol. 1. p. 367-373 7 p.

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

Polymers
Molecular weight
Degradation
Polyacrylates
Capillary tubes
9 Citations (Scopus)

Viscosifying surfactants for chemical EOR

Degré, G., Morvan, M., Bouillot, J., Zaitoun, A., Al-Maamari, R. S., Al-Hashmi, A. R. & Al-Sharji, H. H., 2011, 16th European Symposium on Improved Oil Recovery 2011. p. 463-477 15 p.

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

surfactant
Surface active agents
viscosity
Viscosity
brine
2010
57 Citations (Scopus)

Laboratory study of alkyl ether sulfonates for improved oil recovery in high-salinity carbonate reservoirs: A case study

Aoudia, M., Al-Maamari, R. S., Nabipour, M., Al-Bemani, A. S. & Ayatollahi, S., Jun 17 2010, In : Energy and Fuels. 24, 6, p. 3655-3660 6 p.

Research output: Contribution to journalArticle

Carbonates
Surface-Active Agents
Ether
Ethers
Oils
23 Citations (Scopus)
salinity
sulfonates
Surface-Active Agents
Ether
Surface tension
2009
3 Citations (Scopus)

Effects of potassium distributions in carbonizations of bituminous coal

Jibril, B., Al-Maamari, R. S. & Al-Amri, I., May 2009, In : Journal of Analytical and Applied Pyrolysis. 85, 1-2, p. 529-533 5 p.

Research output: Contribution to journalArticle

Coal
Bituminous coal
Carbonization
Potassium
Lead
3 Citations (Scopus)

Study of date palm stem as raw material in preparation of activated carbon

Houache, O., Al-Maamari, R., Al-Rashidi, B. & Jibril, B., 2009, In : Journal of Engineering Research. 6, 2, p. 47-51 5 p.

Research output: Contribution to journalArticle

Activated carbon
Carbonization
Raw materials
Impregnation
Acids
7 Citations (Scopus)
Remediation
Groundwater
Vapors
Pumps
Soils
2008
5 Citations (Scopus)

Diagnosis of excessive water production in horizontal wells using WOR plots

Al Hasani, M. A., Al Khayari, S. R., Al Maamari, R. S. & Al Wadhahi, M. A., 2008, International Petroleum Technology Conference, IPTC 2008. Vol. 1. p. 423-431 9 p.

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

Horizontal wells
well water
Oils
Water
oil
35 Citations (Scopus)

Effects of H3PO4 and KOH in carbonization of lignocellulosic material

Jibril, B., Houache, O., Al-Maamari, R. & Al-Rashidi, B., Nov 2008, In : Journal of Analytical and Applied Pyrolysis. 83, 2, p. 151-156 6 p.

Research output: Contribution to journalArticle

Carbonization
Oils
Impregnation
Adsorption
Acids

Rheological characterization of melt compounded polypropylene/clay nanocomposites

Abdel-Goad, M., Kretzschmar, B., Al-Maamari, R. S., Pötschke, P. & Heinrich, G., 2008, Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, NSTI-Nanotech, Nanotechnology 2008. Vol. 1. p. 973-976 4 p.

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

Polypropylenes
Nanocomposites
Clay
Elastic moduli
Viscosity
2007
2 Citations (Scopus)

Combustion properties of emulsion fuel prepared from heavy crude oil in Oman

Al-Maamari, R. S., Shigemoto, N., Hirayama, A. & Sueyoshi, M. N., Feb 20 2007, In : Journal of Chemical Engineering of Japan. 40, 2, p. 105-107 3 p.

Research output: Contribution to journalArticle

Petroleum
Emulsions
Crude oil
Boilers
Flammability