Search results for: Abdullah S. Sultan

Items from 1 to 20 out of 27 results

article

Hybrid Intelligent Modelling of the Viscoelastic Moduli of Coal Fly Ash Based Polymer Gel System for Water Shutoff Treatment in Oil and Gas Wells

Ahmad A. Adewunmi, Suzylawati Ismail, Taoreed O. Owolabi, Abdullah S. Sultan, more

The Canadian Journal of Chemical Engineering > 97 > 11 > 2969 - 2978

Qualitative polymer gels exhibiting considerable viscoelastic properties are of immense significance in the petroleum industry as they curtail excessive water production during the tertiary stage of crude oil production. The incorporation of suitable organic or inorganic solid substances into the polymer gel system strengthens its viscoelastic properties. This research work presents hybrid gravitational...

article

Stability of PAM/PEI emulsified gels under HTHS conditions for water shut-off treatment

Abdullah S. Sultan

Journal of Petroleum Exploration and Production Technology > 2019 > 9 > 3 > 2027-2037

Emulsification has been widely used in the oil industry. The thermal stability of emulsified systems, such as emulsified gels or acids, is critical for the placement success of the emulsified system. Early separation of the system in a tubular well leads to corrosion. In the present study, the stability of emulsified polyacrylamide/polyethylenimine (PAM/PEI) gels is investigated in high-temperature...

article

Crosslinked Polyacrylamide Composite Hydrogels Impregnated with Fly Ash: Synthesis, Characterization and Their Application as Fractures Sealant for High Water Producing Zones in Oil and Gas Wells

Ahmad A. Adewunmi, Suzylawati Ismail, Abdullah S. Sultan

Journal of Polymers and the Environment > 2018 > 26 > 8 > 3294-3306

Polymeric hydrogels are designed to serve many purposes in various fields of human endeavor. Herein, crosslinked polyacrylamide (PAM) composite hydrogels impregnated with coal fly ash (CFA) were synthesized, characterized and tested as fracture sealing agents in high water producing permeable zones in petroleum industry. The concept of utilizing CFA as an inorganic additive in the matrix of hydrogel...

article

Use of organoclay as a stabilizer for water-in-oil emulsions under high-temperature high-salinity conditions

Abdelhalim I.A. Mohamed, Ibnelwaleed A. Hussein, Abdullah S. Sultan, Ghaithan A. Al-Muntasheri

Journal of Petroleum Science and Engineering > 2018 > 160 > C > 302-312

Emulsified polymer gels are used in near wellbore applications for water shut-off treatment to control produced water in oil and gas reservoirs. The emulsified gels are expected to separate into oil and water phases at reservoir conditions. The stability of emulsified gels, as measured by the separation time, is influenced by the emulsifier type, salinity of the mixing water, and temperature. Although...

article

Klinkenberg slippage effect in the permeability computations of shale gas by the pore-scale simulations

Jun Li, Abdullah S. Sultan

Journal of Natural Gas Science and Engineering > 2017 > 48 > C > 197-202

The prediction of permeability (i.e., apparent permeability) for the shale gas is challenging due to the Klinkenberg slippage effect that depends on the pore size and gas pressure. A recent Monte Carlo molecular simulation method (i.e., DSBGK method) is employed to accurately compute the permeability by the pore-scale simulations at different pressures. The computed results of a benchmark problem...

article

Modeling the thermal behavior of coal fly ash based polymer gel system for water reduction in oil and gas wells

Ahmad A. Adewunmi, Suzylawati Ismail, Taoreed O. Owolabi, Abdullah S. Sultan, more

Journal of Petroleum Science and Engineering > 2017 > 157 > C > 430-440

Effective methods of reducing excessive water from oil and gas wells are of immense significance in mature oil fields. Thermal instability of many polymer gel systems at elevated temperatures (above 80 °C) calls for the incorporation of suitable macro/nanoparticles into the gelling solutions to achieve enhanced thermal stability. The present work develops for the first time, a support vector regression...

article

Synthesis and Evaluation of Novel Amido-Amine Cationic Gemini Surfactants Containing Flexible and Rigid Spacers

S. M. Shakil Hussain, Muhammad Shahzad Kamal, Bassam El Ali, Abdullah S. Sultan

Journal of Surfactants and Detergents > 2017 > 20 > 4 > 777-788

New amido-amine-based cationic gemini surfactants with flexible and rigid spacers and different hydrophobic tails were synthesized and characterized. These gemini surfactants were prepared by a modified procedure through amidation of long chain carboxylic acids using 3-(dimethylamino)-1-propylamine followed by treatment with halohydrocarbons. The effect of the trans and cis conformation of the spacer...

article

Investigation into the viscoelastic response at various gelation performance, thermal stability and swelling kinetics of fly ash reinforced polymer gels for water control in mature oilfields

Ahmad A. Adewunmi, Suzylawati Ismail, Abdullah S. Sultan

Asia‐Pacific Journal of Chemical Engineering > 12 > 1 > 13 - 24

The present crippling crude oil price worldwide demands a new strategy and cost‐effective technology that will promote additional oil recovery in mature oilfields. Herein, crosslinked polyacrylamide (PAM) gels reinforced with coal fly ash (CFA) were investigated for water reduction purpose during enhanced oil recovery. Polyethyleneimine (PEI) is chosen as the crosslinker. Neat PAM/PEI gel and PAM/PEI...

article

Amido-Amine-Based Cationic Gemini Surfactants: Thermal and Interfacial Properties and Interactions with Cationic Polyacrylamide

S. M. Shakil Hussain, Muhammad Shahzad Kamal, Abdullah S. Sultan

Journal of Surfactants and Detergents > 2017 > 20 > 1 > 47-55

Experimental studies were conducted to investigate thermal and interfacial properties of two in-house synthesized amido-amine-based cationic gemini surfactants namely: dodecanoic acid [3-({4-[(3-dodecanoylamino-propyl)-dimethyl-amino]-butyl}-dimethyl-amino)-propyl]-amide dibromide (12-4-12) and dodecanoic acid [3-({6-[(3-dodecanoylamino-propyl)-dimethyl-amino]-hexyl}-dimethyl-amino)-propyl]-amide...

article

Simulation and measurements of volumetric and phase behavior of carbon dioxide+higher alkanes at high pressure: CO2+n-decane at temperatures (313–410) K and pressures up to 76MPa

Mohamed E. Kandil, Nayef M. Al-Saifi, Abdullah S. Sultan

International Journal of Greenhouse Gas Control > 2016 > 53 > C > 198-206

Injection of CO₂ in hydrocarbon rock formation is one of the proven technologies for both enhanced oil recovery and carbon sequestration. Accurate knowledge of thermodynamic properties of CO₂ and reservoir fluid mixtures are required for successful design and operation. In this work, new ρTp and bubble pressure p_b measurements are reported for the binary system of carbon dioxide (1)+n-decane (2)....

article

Proton conducting blend membranes: physical, morphological and electronic properties

Amir Al-Ahmed, Mazen Khaled Nazal, Abdullah S. Sultan, Jimoh K. Adewole, more

Polymer Bulletin > 2017 > 74 > 4 > 963-975

Blend membranes of sulfonated poly(ether ether ketone) (SPEEK) and sulfonated polyetherimide (SPEI) have been prepared and investigated as a potential polymer electrolyte membrane (PEM) for direct methanol fuel cell (DMFC). Polymers were dissolved in N-methyl-2-pyrrolidone (NMP) in different mixing ratios and membranes were casted using a semi-automatic casting machine on a pre-cleaned glass plate...

article

Application of various water soluble polymers in gas hydrate inhibition

Muhammad Shahzad Kamal, Ibnelwaleed A. Hussein, Abdullah S. Sultan, Nicolas von Solms

Renewable and Sustainable Energy Reviews > 2016 > 60 > C > 206-225

Formation of hydrates in gas transmission lines due to high pressures and low temperatures is a serious problem in the oil and gas industry with potential hazards and/or economic losses. Kinetic hydrate inhibitors are water soluble polymeric compounds that prevent or delay hydrate formation. This review presents the various types of water soluble polymers used for hydrate inhibition, including conventional...

article

Novel fluorinated surfactants for enhanced oil recovery in carbonate reservoirs

Adel O. Al‐Amodi, Usamah A. Al‐Mubaiyedh, Abdullah S. Sultan, Muhammad Shahzad Kamal, more

The Canadian Journal of Chemical Engineering > 94 > 3 > 454 - 460

Novel surfactant‐polymer (SP) formulations containing fluorinated amphoteric surfactant (surfactant‐A) and fluorinated anionic surfactant (surfactant‐B) with partially hydrolyzed polyacrylamide (HPAM) were evaluated for enhanced oil recovery applications in carbonate reservoirs. Thermal stability, rheological properties, interfacial tension, and adsorption on the mineral surface were measured. The...

article

Development of Novel Amidosulfobetaine Surfactant–Polymer Systems for EOR Applications

Muhammad Shahzad Kamal, S. M. Shakil Hussain, Abdullah S. Sultan

Journal of Surfactants and Detergents > 2016 > 19 > 5 > 989-997

Experimental studies were conducted to evaluate the thermal stability and rheological properties of novel surfactant–polymer (SP) systems for enhanced oil recovery applications. One in-house synthesized amphoteric amidosulfobetaine surfactant 3-(N-pentadecanamidopropyl-N,N-dimethylammonium)propanesulfonate and three different polymers were evaluated. Polymer A was a terpolymer of acrylamide, acrylamido...

article

Synthesis, Characterization and Surface Properties of Amidosulfobetaine Surfactants Bearing Odd-Number Hydrophobic Tail

S. M. Shakil Hussain, Mustapha Alao Animashaun, Muhammad Shahzad Kamal, Nisar Ullah, more

Journal of Surfactants and Detergents > 2016 > 19 > 2 > 413-420

Three amidosulfobetaine surfactants were synthesized namely: 3-(N-pentadecanamidopropyl-N,N-dimethyl ammonium) propanesulfonate (2a); 3-(N-heptadecanamidopropyl-N,N-dimethyl ammonium) propanesulfonate (2b), and 3-(N-nonadecanamidopropyl-N,N-dimethyl ammonium) propanesulfonate (2c). These surfactants were prepared by direct amidation of commercially available fatty acids with 3-(dimethylamino)-1-propylamine...

article

Carbon Nanotubes (CNTs) Nanocomposite Hydrogels Developed for Various Applications: A Critical Review

Ahmad A. Adewunmi, Suzylawati Ismail, Abdullah S. Sultan

Journal of Inorganic and Organometallic Polymers and Materials > 2016 > 26 > 4 > 717-737

Interest in the development of polymeric hydrogels impregnated with carbon-nanotubes (CNTs) is growing rapidly in recent times owing to their usefulness in many fields of human endeavor. This review paper serves as an archive of literature reports of several researchers who have worked on polymeric hydrogels embedded with CNTs for diverse applications. The review covers up to date research advancement...

article

Screening of amphoteric and anionic surfactants for cEOR applications using a novel approach

Muhammad Shahzad Kamal, Abdullah S. Sultan, Ibnelwaleed A. Hussein

Colloids and Surfaces A: Physicochemical and Engineering Aspects > 2015 > 476 > Complete > 17-23

Surfactants are used in chemical enhanced oil recovery (cEOR) to increase the capillary number by decreasing the oil/water interfacial tension (IFT). In this work, carboxybetaine based amphoteric and propoxylated anionic surfactants were evaluated for application in cEOR. Thermal stability of the surfactants was assessed using a novel approach based on FTIR, NMR and TGA analyses. The anionic surfactant...

article

Rheological Properties of Thermoviscosifying Polymers in High‐temperature and High‐salinity Environments

Muhammad Shahzad Kamal, Abdullah S. Sultan, Usamah A. Al‐Mubaiyedh, Ibnelwaleed A. Hussein, more

The Canadian Journal of Chemical Engineering > 93 > 7 > 1194 - 1200

Thermo‐viscosifying polymers (TVPs) are a novel class of materials developed for enhanced oil recovery (EOR) applications in high‐temperature and high‐salinity (HTHS) oil reservoirs. The rheological properties of the TVP‐fluorocarbon surfactant and its interactions with different salts were studied. The effects of surfactant concentration, polymer concentration, salinity, and different inorganic salts...

article

Laboratory scale study on rheological behavior, morphological and structural properties of crosslinked polyacrylamide composite hydrogels embedded with date seed powder

Ahmad. A. Adewunmi, Suzylawati Ismail, Abdullah. S. Sultan

Journal of Applied Polymer Science > 132 > 28 > n/a - n/a

Incorporation of biofillers in polymeric hydrogels has continued to receive great attention in recent times because of their excellent properties. In this study, polyacrylamide (PAM) and polyethyleneimine (PEI) were used to develop novel composite hydrogels filled with date seed powder (DSP) via chemical crosslinking technique. Pristine PAM/PEI hydrogel and PAM/PEI‐DSP hydrogels at various DSP loadings...

article

Comparative studies on the effects of casting solvent on physico‐chemical and gas transport properties of dense polysulfone membrane used for CO₂/CH₄ separation

Jimoh K. Adewole, Abdul Latif Ahmad, Suzylawati Ismail, Choe Peng Leo, more

Journal of Applied Polymer Science > 132 > 27 > n/a - n/a

The effects of casting solvents on the physico–chemical and transport properties of polysulfone membranes were investigated. Comparative analysis of the properties of membranes prepared from a new solvent (diethylene glycol dimethyether, DEG) and other commonly used solvents (1‐methyl‐2‐pyrrolidone, N,N‐dimethylacetamide, dimethyl sulfoxide and N,N‐dimethylformamide) were performed using gas permeation,...

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Keywords

RHEOLOGY (10)
THERMAL STABILITY (4)
WATER SHUTOFF (4)
GELS (3)
POLYACRYLAMIDE (3)
POLYMERIC GEL (3)
VISCOSITY (3)
COAL FLY ASH (2)
COMPOSITES (2)
CROSSLINKING (2)
DSC (2)
ENHANCED OIL RECOVERY (2)
FLY ASH (2)
GELATION KINETICS (2)
HYDROGEL (2)
INTERFACIAL TENSION (2)
MEMBRANES (2)
MORPHOLOGY (2)
OIL AND GAS (2)
POLYELECTROLYTE (2)
POLYETHERIMIDE (2)
POLYETHYLENEIMINE (2)
SURFACTANT (2)
SYNTHESIS (2)
ACTUATORS (1)
AMIDOSULFOBETAINE (1)
AMIDOSULFOBETAINE SURFACTANT (1)
APPLICATIONS (1)
BOLTZMANN EQUATION (1)
BUBBLE PRESSURE (1)
CARBON DIOXIDE (1)
CARBON NANOTUBES (1)
CATIONIC POLYACRYLAMIDE (1)
CHELATING AGENT (1)
CHEMICAL ENHANCED OIL RECOVERY (1)
CO2-EOR (1)
COMPOSITE GEL (1)
CONDUCTING POLYMERS (1)
CROSS‐LINKING (1)
DECANE (1)
DENSITY (1)
DMFC (1)
DROPLET SIZE (1)
EMULSIFIED GEL (1)
EMULSION STABILITY (1)
EOR (1)
FLUORINATED SURFACTANT (1)
FTIR (1)
GAS HYDRATES (1)
GELATION (1)
GEMINI SURFACTANT (1)
GEMINI SURFACTANTS (1)
HIGH KNUDSEN NUMBER (1)
HIGH-TEMPERATURE HIGH-SALINITY (1)
HIGHER ALKANES (1)
INDUCTION TIME (1)
INTRINSIC VISCOSITY (1)
KINETIC INHIBITORS (1)
KINETICS (1)
KLINKENBERG SLIPPAGE EFFECT (1)
MODELLING (1)
MONTE CARLO MOLECULAR SIMULATION (1)
NANOCOMPOSITE (1)
ORGANOCLAY (1)
PAM/PEI (1)
PHASE BEHAVIOR (1)
PICKERING EMULSION (1)
PLASTICIZER (1)
POLY(VINYL CAPROLACTAM) (1)
POLYMER (1)
POLYMER FLOODING (1)
POLYSULFONE (1)
PORE-SCALE SIMULATION (1)
PROPERTY RELATIONS (1)
PROTON CONDUCTING MEMBRANE (1)
PVT (1)
RESERVOIR (1)
RIGIDITY (1)
SALINITY (1)
SEALANT (1)
SEM (1)
SEPARATION TECHNIQUES (1)
SHALE GAS PERMEABILITY (1)
STABILITY (1)
STRUCTURE (1)
SULFONATED POLY (ETHER ETHER KETONE) (1)
SULFONATED POLY (ETHER‐ETHER‐KETONE) (1)
SULFONATED POLY(ETHER ETHER KETONE) (1)
SULFONATED POLYETHERIMIDE (1)
SUPPORT VECTOR REGRESSION (1)
SURFACE ACTIVITY (1)
SURFACE PROPERTIES (1)
SURFACTANT FLOODING (1)
SVR (1)
THERMAL (1)
THERMOVISCOSIFYING POLYMERS (1)
VISCOSITY AND VISCOELASTICITY (1)
W/O EMULSION (1)
WATER IN OIL EMULSION (1)
WATER SOLUBLE POLYMERS (1)
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Springer (10)
Wiley (10)
Elsevier (7)

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Search results for: Abdullah S. Sultan

Hybrid Intelligent Modelling of the Viscoelastic Moduli of Coal Fly Ash Based Polymer Gel System for Water Shutoff Treatment in Oil and Gas Wells

Stability of PAM/PEI emulsified gels under HTHS conditions for water shut-off treatment

Crosslinked Polyacrylamide Composite Hydrogels Impregnated with Fly Ash: Synthesis, Characterization and Their Application as Fractures Sealant for High Water Producing Zones in Oil and Gas Wells

Use of organoclay as a stabilizer for water-in-oil emulsions under high-temperature high-salinity conditions

Klinkenberg slippage effect in the permeability computations of shale gas by the pore-scale simulations

Modeling the thermal behavior of coal fly ash based polymer gel system for water reduction in oil and gas wells

Synthesis and Evaluation of Novel Amido-Amine Cationic Gemini Surfactants Containing Flexible and Rigid Spacers

Investigation into the viscoelastic response at various gelation performance, thermal stability and swelling kinetics of fly ash reinforced polymer gels for water control in mature oilfields

Amido-Amine-Based Cationic Gemini Surfactants: Thermal and Interfacial Properties and Interactions with Cationic Polyacrylamide

Simulation and measurements of volumetric and phase behavior of carbon dioxide+higher alkanes at high pressure: CO2+n-decane at temperatures (313–410) K and pressures up to 76MPa

Proton conducting blend membranes: physical, morphological and electronic properties

Application of various water soluble polymers in gas hydrate inhibition

Novel fluorinated surfactants for enhanced oil recovery in carbonate reservoirs

Development of Novel Amidosulfobetaine Surfactant–Polymer Systems for EOR Applications

Synthesis, Characterization and Surface Properties of Amidosulfobetaine Surfactants Bearing Odd-Number Hydrophobic Tail

Carbon Nanotubes (CNTs) Nanocomposite Hydrogels Developed for Various Applications: A Critical Review

Screening of amphoteric and anionic surfactants for cEOR applications using a novel approach

Rheological Properties of Thermoviscosifying Polymers in High‐temperature and High‐salinity Environments

Laboratory scale study on rheological behavior, morphological and structural properties of crosslinked polyacrylamide composite hydrogels embedded with date seed powder

Comparative studies on the effects of casting solvent on physico‐chemical and gas transport properties of dense polysulfone membrane used for CO₂/CH₄ separation

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