Search for: well-technology
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    Design for well-being: The fourth generation of technology development

    , Article Technology in Society ; Volume 67 , November , 2021 ; 0160791X (ISSN) Kafaee, M ; Ansarian, Z ; Taqavi, M ; Heidari, S ; Sharif University of Technology
    Elsevier Ltd  2021
    Despite the importance of well-being, few studies have been conducted on the relationship between well-being and technology. In this paper, the development of technology from the perspective of well-being studies are divided into three generations. In higher generations, the main criterion of technology development becomes more comprehensive, in order to decrease the side effects of technology. We introduce the fourth generation in which well-being is the main criterion of the design process. Although it may not seem necessary to say that the purpose of most technologies is implicitly well-being, we show that the domination of physical pleasure in terms of “use and convenience” in the modern... 

    Dynamic optimization of water flood reservoirs with the variational approach

    , Article Petroleum Science and Technology ; Vol. 32, issue. 3 , Dec , 2013 , p. 289-296 ; ISSN: 10916466 Kashkooli ,S. B ; Masihi, M ; Pishvaei, M. R ; Sharif University of Technology
    Optimization of any production operation is a tool for increasing production rates and reducing production costs. Water flooding is one of the techniques that frequently be used to increase oil recovery after primary depletion. A methodology for optimizing the production by using the net present value of a heterogeneous reservoir under water flooding has been presented, which is based on controlling the bottomhole pressures of the production wells, using smart well technology. For this purpose, a numerical flow simulator is coupled with an optimization program. The technique was implemented on a synthetic two dimensional oil reservoir with heterogeneous permeability. This optimization... 

    Real time optimization of a natural gas lift system with a differential evaluation method

    , Article Energy Sources, Part A: Recovery, Utilization and Environmental Effects ; Vol. 36, issue. 3 , 2014 , pp. 309-322 ; ISSN: 15567036 Frooqnia, A ; Pishvaie, M. R ; Aminshahidy, B ; Sharif University of Technology
    This article presents a method for optimizing and controlling an oil production system using a natural gas lift concept. Ever increasing development of Smart Well technology and various applications of down-hole monitoring and controlling instruments along with new methods of data acquisition/transmission make it possible for the natural gas lift system to be controlled and optimized more effectively and faster than before. With this technology it is possible to monitor the down-hole conditions of gas and oil zones and to control the inflow valves in gas and oil zones. In this work, a proportional integral differential feedback controller has been used to smartly control the entrance of gas... 

    Experimental investigation on the dominating fluid-fluid and rock-fluid interactions during low salinity water flooding in water-wet and oil-wet calcites

    , Article Journal of Petroleum Science and Engineering ; Volume 204 , 2021 ; 09204105 (ISSN) Farhadi, H ; Fatemi, M ; Ayatollahi, S ; Sharif University of Technology
    Elsevier B.V  2021
    Low salinity water flooding (LSWF) has the potential to enhance the oil recovery by affecting the fluid-fluid and rock-fluid interactions. Therefore, a systematic investigation on the effect of initial wetting state (water-wet or oil-wet) of pure calcite is conducted to study the importance of these interactions on the effectiveness of LSWF. In the case of initially water-wet cores, more oil recovery efficiency is observed for more saline water cases. To shed light on the possible involved mechanisms, dynamic IFT, dynamic contact angle (CA), oil/brine and rock/brine surfaces zeta potentials, and effluent pH are measured. It is shown that the short-term effect of IFT reduction and long-term... 

    Optimization of flow control with intelligent well completions in a channelized thin oil rim

    , Article 73rd European Association of Geoscientists and Engineers Conference and Exhibition 2011: Unconventional Resources and the Role of Technology. Incorporating SPE EUROPEC 2011 ; Volume 4 , May , 2011 , Pages 2534-2538 ; 9781617829666 (ISBN) Masihi, M ; Raufi, M. H ; Sharif University of Technology
    Society of Petroleum Engineers  2011
    The intelligent well technology provides the capability to remotely monitor and control multiple production zones using Inflow Control Valves (ICV) installed on the production tubing. Employing intelligent completions, the objective might be to allocate the inflow rates for each zone such that the objective function (cumulative oil or net present value of the well) is maximized. In this paper, a method for determining the optimized application of different intelligent well control strategies is presented. The optimization algorithm, which is based on trust region method, has been coupled with a commercial flow simulator and applied to a conceptual sandstone thin oil rim model containing a... 

    Experimental investigation of the influence of fluid-fluid interactions on oil recovery during low salinity water flooding

    , Article Journal of Petroleum Science and Engineering ; Volume 182 , 2019 ; 09204105 (ISSN) Mokhtari, R ; Ayatollahi, S ; Fatemi, M ; Sharif University of Technology
    Elsevier B.V  2019
    This study aims to investigate the role of fluid-fluid interactions during low salinity water flooding, using crude oil from an Iranian oil reservoir. To minimize the effects of mineral heterogeneity and wettability alteration, a synthetic sintered glass core was utilized and all coreflooding experiments were performed at low temperatures without any aging process. The effect of fluid-fluid interactions were investigated in both secondary and tertiary injection modes. pH measurements as well as UV-Vis spectroscopy and interfacial tension (IFT) analysis were performed on the effluent brine samples. Results: show that fluid-fluid interactions, mainly the dissolution of crude oil polar... 

    Rheological properties and the micromodel investigation of nanosilica gel-reinforced preformed particle gels developed for improved oil recovery

    , Article Journal of Petroleum Science and Engineering ; Volume 192 , 2020 Aqcheli, F ; Salehi, M. B ; Pahlevani, H ; Taghikhani, V ; Sharif University of Technology
    Elsevier B.V  2020
    Preformed particle gels (PPGs) in solutions have been widely used to suppress excess water production in mature oil reservoirs and, in turn, to improve the amount of oil recovery in brown oil fields. In this study, PPG solutions were meticulously formulated and synthesized in order to be utilized in harsh environments in terms of pressure, temperature, pH, and salinity from a free radical polymerization process. In this work, nanosilica gel at different weight percentages was added to improve the mechanical and thermal stability properties of the PPG at harsh condition: high pressure, temperature, and strain. Moreover, the effects of nanosilica gel at various concentrations, ranging from 0.0...