Search Results - "Sefti, Mohsen Vafaie"

Effect of silica nanoparticle size on the mechanical strength and wellbore plugging performance of SPAM/chromium (III) acetate nanocomposite gels by Azimi Dijvejin, Zahra, Ghaffarkhah, Ahmadreza, Sadeghnejad, Saeid, Vafaie Sefti, Mohsen

“…Cross-linked polymer gels are a new type of temporary plugging agent and are mainly used to control the leakage of fluid during drilling, completion, and…”
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Performance of low-salinity water flooding for enhanced oil recovery improved by SiO2 nanoparticles by Ebrahim, Tangestani, Mohsen, Vafaie Sefti, Mahdi, Shadman Mohammad, Esmaeel, Kazemi Tooseh, Saeb, Ahmadi

“…Low-salinity water injection has been utilized as a promising method for oil recovery in recent years. Low-salinity water flooding changes the ion composition…”
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Experimental study of polyacrylamide gel in close‐in well operation by Hajipour, Arvin, Baghban Salehi, Mahsa, Vafaie Sefti, Mohsen, Heidari, Aghdas

“…An optimized polymer gel, known as temporary gel, based on polyacrylamide sulfonated copolymer, and a chromium acetate hydroxide were synthesized to close‐in…”
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Study effect of different parameters on the sulphate sorption onto nano alumina by Katal, Reza, Vafaie Sefti, Mohsen, Jafari, Mehdi, Saeedi Dehaghani, Amir Hossein, Sharifian, Seyedmehdi, Ghayyem, Mohammed Ali

“…The aim of this research work is to investigate sorption characteristic of modified nano alumina (n-Al) for the removal of SO 4 2− from aqueous solutions and…”
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Preparation of stable colloidal dispersion of surface modified Fe3O4 nanoparticles for magnetic heating applications by Sabzi Dizajyekan, Behnam, Jafari, Arezou, Vafaie-Sefti, Mohsen, Saber, Reza, Fakhroueian, Zahra

“…The effect of surface modification on enhancing the magnetic heating behavior of magnetic nano fluids were investigated, for this purpose Fe 3 O 4…”
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Effects of reservoir temperature and water salinity on the swelling ratio performance of enhanced preformed particle gels by Farasat, Amir, Sefti, Mohsen Vafaie, Sadeghnejad, Saeid, Saghafi, Hamid Reza

“…Preformed particle gel (PPG) treatment is now one of the most effective remediation techniques for conformance controlling and selective plugging of high-water…”
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Synthesis, structure and mechanical properties of nanocomposites based on exfoliated nano magnesium silicate crystal and poly(acrylamide) by Azimi Dijvejin, Zahra, Ghaffarkhah, Ahmadreza, Vafaie Sefti, Mohsen, Moraveji, Mostafa Keshavarz

“…In this study, hydrolyzed polyacrylamide based nanocomposite (HPAM-NC) hydrogels crosslinked by chromium (III) acetate, was synthesized using free radical…”
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Rheological and transport properties of sulfonated polyacrylamide hydrogels for water shutoff in porous media by Salehi, Mahsa Baghban, Vasheghani-Farahani, Ebrahim, Sefti, Mohsen Vafaie, Moghadam, Asefe Mousavi, Naderi, Hasan

“…In this research, an optimal hydrogel, based on sulfonated polyacrylamide, was synthesized by statistical design of experiments using central composite method…”
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Preparation and investigation of the physical and chemical properties of clay-based polyacrylamide/Cr (III) hydrogels as a water shut-off agent in oil reservoirs by Salimi, Farhad, Sefti, Mohsen Vafaie, Jarrahian, Khosrow, Rafipoor, Majid, Ghorashi, Seyyed Saeed

“…The effects of clay (montmorillonite and kaolinite) in the hydrogels were investigated on various properties such as syneresis and strength of thermal and…”
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Driving Force for Nucleation of Multi-Component Gas Hydrate by Amir Abbas Izadpanah, Mohsen Vafaie Sefti, Farshad Varaminian

“…Based on driving force for crystallization of one-component gas hydrate, in this report an expression for the supersaturation for crystallization of…”
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Hydrogel swelling properties: comparison between conventional and nanocomposite hydrogels for water shutoff treatment by Mohammadi, Shabnam, Vafaie Sefti, Mohsen, Baghban Salehi, Mahsa, Mousavi Moghadam, Asefe, Rajaee, Samira, Naderi, Hasan

“…One of the unique properties of hydrogels is the dramatically change in their volume and shape. In this research, conventional hydrogels (composed of…”
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Experimental study of swelling and rheological behavior of preformed particle gel used in water shutoff treatment by Lenji, Majid Abedi, Haghshenasfard, Masoud, Sefti, Mohsen Vafaie, Salehi, Mahsa Baghban, heidari, Aghdas

“…Production of water effluents in mature reservoirs subjected to water flooding face many difficulties that might, ultimately, lead to their abandonment. Gel…”
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Removal of oil from biodiesel wastewater by electrocoagulation method by Ahmadi, Saeb, Sardari, Ebrahim, Javadian, Hamed Reza, Katal, Reza, Sefti, Mohsen Vafaie

“…An attempt has been made to remove oil and grease (O&G) from biodiesel wastewater as well as O&G and turbidity in the presence of H 2 O 2 and polyaluminum…”
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Investigation of Rheological Properties of Polyacrylamide/Chromium Triacetate Hydrogels Performed for Water Shutoff Treatment in Oil Reservoirs by Rafipoor, Majid, Sefti, Mohsen Vafaie, Salimi, Farhad, Jarrahian, Khosrow, Ghorashi, Seyyed Saeed

“…In this research, polyacrylamide-based gels were made at 25°C and aged in an oven at 90°C for 24 hours. The bottle testing results indicated that gel composed…”
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Effect of Inorganic Polymer Gel Systems on Residual Resistance Factor in Fractured Core Model by Majid Abedi Lenji, Masoud Haghshenasfard, Mahsa Baghban Salehi, Asefe Mousavi Moghdam, Mohsen Vafaie Sefti

“…Excessive water production through fractures become an important problem in oil exploration of fractured reservoirs. For this purpose, polymer gels were…”
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Mechanical entrapment analysis of enhanced preformed particle gels (PPGs) in mature reservoirs by Farasat, Amir, Vafaie Sefti, Mohsen, Sadeghnejad, Saeid, Saghafi, Hamid Reza

“…The injection of preformed particle gels (PPGs) is one of the novel solutions to improve conformance control in mature waterflooded reservoirs. In this method,…”
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Bulk and rheological properties of polyacrylamide hydrogels for water shutoff treatment by Moghadam, Asefe Mousavi, Sefti, Mohsen Vafaie, Salehi, Mahsa Baghban, Naderi, Hasan

“…Presenting an optimal hydrogel for water shutoff, based on the bulk and rheological properties, was the main purpose of this research. To determine gelation…”
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Effect of Process Variable on the Gelation Time of Sulfonated Polyacrylamide Nanocomposite Hydrogel by Baghban Salehi, Mahsa, Sefti, Mohsen Vafaie, Vasheghani-Farahani, Ebrahim, Mousavi Moghadam, Asefe

“…Among the methods available to reduce water production during oil recovery, injecting a gelling system composed of a polymer and a crosslinker has been widely…”
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Numerical modeling and experimental investigation of inorganic and organic crosslinkers effects on polymer gel properties by Abedi Lenji, Majid, Haghshenasfard, Masoud, Vafaie Sefti, Mohsen, Baghban Salehi, Mahsa, Mousavi Moghadam, Asefe

“…Hydrogel treatment is one of the most important chemical methods to reduce excessive water in mature reservoirs. In this study, four hydrogel systems were…”
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Polyacrylamide Gel Polymer as Water Shut-off System: Preparation and Investigation of Physical and Chemical Properties in One of the Iranian Oil Reservoirs Conditions by Mohammad Simjoo, Mohsen Vafaie Sefti, Ahmad Dadvand Koohi, Reza Hasheminasab, Valiahmad Sajadian

“…In this paper, polyacrylamide/chromium acetate gel polymer system was prepared as water shut-off system to control water production in one of the Iranian oil…”
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