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

  • 821 Citations
  • 16 h-Index
  • 42 Article
  • 22 Conference contribution
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Article
2018
Micelles
salinity
Surface-Active Agents
micelles
Surface active agents
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
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
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
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
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
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
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
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
2011
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
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
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
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
24 Citations (Scopus)

Effect of water content and surfactant type on viscosity and stability of emulsified heavy Mukhaizna crude oil

Shigemoto, N., Al-Maamari, R. S., Jibril, B. Y., Hirayama, A. & Sueyoshi, M., Mar 2007, In : Energy and Fuels. 21, 2, p. 1014-1018 5 p.

Research output: Contribution to journalArticle

Petroleum
Surface-Active Agents
Water content
Surface active agents
Crude oil
34 Citations (Scopus)

Effects of feedstock pre-drying on carbonization of KOH-mixed bituminous coal in preparation of activated carbon

Jibril, B. Y., Al-Maamari, R. S., Hegde, G., Al-Mandhary, N. & Houache, O., Oct 2007, In : Journal of Analytical and Applied Pyrolysis. 80, 2, p. 277-282 6 p.

Research output: Contribution to journalArticle

carbonization
Coal
Bituminous coal
Carbonization
activated carbon
8 Citations (Scopus)

Huff 'n puff to revaporize liquid dropout in an Omani gas field

Al-Wadhahi, M., Boukadi, F. H., Al-Bemani, A., Al-Maamari, R. & Al-Hadrami, H., Jan 2007, In : Journal of Petroleum Science and Engineering. 55, 1-2, p. 67-73 7 p.

Research output: Contribution to journalArticle

gas field
Gas condensates
liquid
Liquids
condensate
32 Citations (Scopus)

Laboratory investigation of thermally-assisted gas-oil gravity drainage for secondary and tertiary oil recovery in fractured models

Nabipour, M., Escrochi, M., Ayatollahi, S., Boukadi, F., Wadhahi, M., Maamari, R. & Bemani, A., Jan 2007, In : Journal of Petroleum Science and Engineering. 55, 1-2, p. 74-82 9 p.

Research output: Contribution to journalArticle

Gas oils
Drainage
Gravitation
drainage
gravity
2 Citations (Scopus)

Mobilizing condensate in gas reservoirs - A aumerical simulation study

Boukadi, F. H., Al-Wadhahi, M., Al-Bemani, A., Al-Maamari, R. & Al-Hadrami, H., Apr 2007, In : Petroleum Science and Technology. 25, 4, p. 517-533 17 p.

Research output: Contribution to journalArticle

condensate
Gases
liquid
Liquids
gas well
2 Citations (Scopus)

Thermally-assisted gas-oil gravity drainage

Boukadi, F. H., Bemani, A. S., Maamari, R., Wadhahi, M., Shahin, G. & Moosa, R., Feb 1 2007, In : Energy Sources, Part A: Recovery, Utilization and Environmental Effects. 29, 3, p. 271-276 6 p.

Research output: Contribution to journalArticle

Gas oils
Drainage
Gravitation
Recovery
Carbonates
2006
17 Citations (Scopus)

A study of the effect of gas condesate on the viscosity and storage stability of Omani heavy crude oil

Shigemoto, N., Al-Maamari, R. S., Jibril, B. Y. & Hirayama, A., Nov 2006, In : Energy and Fuels. 20, 6, p. 2504-2508 5 p.

Research output: Contribution to journalArticle

Petroleum
Crude oil
Gases
Viscosity
Gas condensates
12 Citations (Scopus)

New correlating parameter for the viscosity of heavy crude oils

Al-Maamari, R. S., Houache, O. & Abdul-Wahab, S. A., Nov 2006, In : Energy and Fuels. 20, 6, p. 2586-2592 7 p.

Research output: Contribution to journalArticle

Petroleum
Crude oil
Viscosity
Oils
Gravitation
73 Citations (Scopus)

Novel surfactants for ultralow interfacial tension in a wide range of surfactant concentration and temperature

Aoudia, M., Al-Shibli, M. N., Al-Kasimi, L. H., Al-Maamari, R. & Al-Bemani, A., Sep 2006, In : Journal of Surfactants and Detergents. 9, 3, p. 287-293 7 p.

Research output: Contribution to journalArticle

Surface-Active Agents
Surface tension
interfacial tension
Surface active agents
surfactants
2005
19 Citations (Scopus)

A laboratory feasibility study of dilute surfactant injection for the Yibal field, Oman

Babadagli, T., Al-Bemani, A., Boukadi, F. & Al-Maamari, R., Jul 30 2005, In : Journal of Petroleum Science and Engineering. 48, 1-2, p. 37-52 16 p.

Research output: Contribution to journalArticle

feasibility study
surfactant
Surface active agents
Well flooding
Recovery
2003
43 Citations (Scopus)
asphaltene
wettability
wetting
oil production
Wetting