• most common surfactants employed in chemical enhanced

    Most common surfactants employed in chemical enhanced

    Chemical enhanced oil recovery (EOR) and particularly surfactant injection has recently received a great deal of attention. The suggested recovery mechanisms after injecting surfactants include wettability alteration and IFT reduction.

  • surfactant enhanced oil recovery techniques

    Surfactant Enhanced Oil Recovery Techniques

    Advantages of Surfactant Flooding in Enhanced Oil Recovery. Recent developments in Surfactant Enhanced Oil Recovery have greatly reduced the surfactant concentration required for effective oil recovery. Initial development in the 1970’s and 80’s used anywhere between 2-12% surfactant concentration which, when combined with the cost of the

  • nonionic surfactant for enhanced oil recovery

    Nonionic Surfactant for Enhanced Oil Recovery

    2012-06-15· Around 40% of the current world conventional oil production comes from carbonate reservoirs, dominantly mature and declining giant oilfields. Tertiary oil production methods as part of an Enhanced Oil Recovery (EOR) scheme are inevitable after primary and secondary oil production. The goal of surfactant flooding is to reduce the mobility ratio by lowering the interfacial tension between oil

  • enhanced oil recovery by nonionic surfactants considering

    Enhanced oil recovery by nonionic surfactants considering

    2017-04-08· Surfactants for enhanced oil recovery are important to study due to their special characteristics like foam generation, lowering interfacial tension between oleic and aqueous phases, and wettability alteration of reservoir rock surfaces. Foam is a good mobility control agent in enhanced oil recovery for improving the mobility ratio. In the present work, the foaming behavior of three nonionic

  • enhanced oil recovery

    Enhanced oil recovery

    Enhanced oil recovery (abbreviated EOR), also called tertiary recovery, is the extraction of crude oil from an oil field that cannot be extracted otherwise. EOR can extract 30% to 60% or more of a reservoir's oil, compared to 20% to 40% using primary and secondary recovery.

  • adsorption of a new nonionic surfactant on carbonate

    Adsorption of a new nonionic surfactant on carbonate

    Adsorption of a new nonionic surfactant on carbonate minerals in enhanced oil recovery: Experimental and modeling study Author links open overlay panel Ali Barati a Adel Najafi a Amin Daryasafar a Payam Nadali a Hossein Moslehi b

  • role of surfactant flooding in enhanced oil recovery

    Role of Surfactant Flooding in Enhanced Oil Recovery

    2015-11-02· Enhanced oil recovery techniques highly contributes to a sustainable oil production and thus ensures meeting the long term world's energy demands. Surfactant injection specifically is a promising technique that have been implemented on large scales and demonstrated a remarkable success for the cases under which proper and thorough evaluation/screening studies were conducted.

  • nonionic surfactant for enhanced oil recovery

    Nonionic Surfactant for Enhanced Oil Recovery

    Surfactants have ability to reduce the interfacial tension between residual oil and water and give high recovery factor. Adsorption of surfactant onto the solid surface makes it less effective in

  • surfactant

    Surfactant

    Surfactants are used in firefighting and pipelines (liquid drag reducing agents). Alkali surfactant polymers are used to mobilize oil in oil wells. Surfactants are used as plasticizer in nanocellulose Ferrofluids, and leak detectors. Surfactants are used with quantum dots in order to manipulate growth.

  • desorption of hydrocarbon chains by association with ionic

    Desorption of hydrocarbon chains by association with ionic

    2017-08-29· Terrón-Mejía, K.A., López-Rendón, R. & Goicochea, A.G. Desorption of hydrocarbon chains by association with ionic and nonionic surfactants under flow as a mechanism for enhanced oil recovery.

  • anionic surfactant adsorption: insight for enhanced oil

    Anionic Surfactant Adsorption: Insight for Enhanced Oil

    Surfactant flooding is a known enhanced oil recovery technique used in the oil and gas industry for decades. The primary principle of The primary principle of surfactant flooding is to reduce interfacial tension, wettability between the oil, water and rock, a lot of attention on research has been devoted

  • switchable nonionic to cationic ethoxylated amine

    Switchable Nonionic to Cationic Ethoxylated Amine

    Summary. To improve sweep efficiency for carbon dioxide (CO 2) enhanced oil recovery (EOR) up to 120°C in the presence of high-salinity brine (182 g/L NaCl), novel CO 2 /water (C/W) foams have been formed with surfactants composed of ethoxylated amine headgroups with cocoalkyl tails. These surfactants are switchable from the nonionic (unprotonated amine) state in dry CO 2 to cationic

  • enhanced oil recovery by nonionic surfactants

    Enhanced oil recovery by nonionic surfactants

    Enhanced oil recovery by nonionic surfactants considering micellization, surface, and foaming properties Achinta Bera 0 1 Ajay Mandal 0 1 Hadi Belhaj 0 1 Tarkeswar Kumar 0 1 0 Department of Petroleum Engineering, Indian Institute of Technology (Indian School of Mines),Dhanbad, Jharkhand 826004,India 1 Petroleum Engineering Department, The Petroleum Institute,P.O. Box 2533, Abu

  • most common surfactants employed in chemical

    Most common surfactants employed in chemical

    Chemical enhanced oil recovery (EOR) and particularly surfactant injection has recently received a great deal of attention. The suggested recovery mechanisms after injecting surfactants include

  • wo2013048860a1 nonionic surfactants for enhanced

    WO2013048860A1 Nonionic surfactants for enhanced

    The present disclosure provides methods of using a nonionic surfactant for enhanced oil recovery, where the nonionic surfactant is prepared with a double metal cyanide catalyst. The present disclosure also provides for an emulsion that includes carbon dioxide, a diluent and the nonionic surfactant.

  • us20160237798a1 nonionic surfactants for enhanced

    US20160237798A1 Nonionic surfactants for enhanced

    The present disclosure provides methods of using a nonionic surfactant for enhanced oil recovery, where the nonionic surfactant is prepared with a double metal cyanide catalyst. The present disclosure also provides for an emulsion that includes carbon dioxide, a diluent and the nonionic surfactant.

  • the role of green surfactants in microbial enhanced oil

    The Role of Green Surfactants in Microbial Enhanced Oil

    The Role of Green Surfactants in Microbial Enhanced Oil Recovery Md. Bashirul Haq B.Sc. Chemical Engineering; M.Sc. Petroleum Engineering This thesis is presented for the degree of Doctor of Philosophy of The University of Western Australia School of Mechanical and Chemical Engineering 2012

  • surfactants for enhanced oil recovery

    Surfactants for Enhanced Oil Recovery

    self-flowing and secondary oil recovery by waterflooding [4,5]. Thus, tertiary oil recovery, also referred to as “enhanced oil recovery” (EOR), is used to produce more oil [6–8]. Among the various EOR techniques, chemical ones, particularly surfactant flooding,

  • characterization of anionic–nonionic surfactant mixtures

    Characterization of Anionic–Nonionic Surfactant Mixtures

    Enhanced oil recovery (EOR) has been one of the favorable methods in improving oil recovery and extending the production time. One of the techniques used in enhanced oil recovery (EOR) is gas flooding, because of the gases sweeping ability to displace the oil into the production well. Unfortunately, the gas injection method causes severe gas fingering because of the higher mobility and lower

  • separation of produced emulsions from surfactant enhanced

    Separation of Produced Emulsions from Surfactant Enhanced

    The amount of cationic surfactant required could be reduced by adding it simultaneously with a non-ionic demulsifier resin. A commercial cationic surfactant was also found to significantly improve separation of emulsions produced during an alkaline/surfactant/polymer (ASP) process. 1. Introduction Chemical enhanced oil recovery (EOR) methods

  • surfactants for enhanced oil recovery basf

    Surfactants for Enhanced Oil Recovery BASF

    Surfactants for Enhanced Oil Recovery. We support our customers to be more successful The elaboration and implementation of cEOR Technologies is a highly sophisticated process. Selecting the right chemicals and components for developing a successful formulation is our key expertise. Each oilfield is different in its specific characteristics. In order to develop an effective and efficient

  • enhanced oil recovery by nonionic surfactants

    Enhanced oil recovery by nonionic surfactants

    Enhanced oil recovery by nonionic surfactants considering micellization, surface, and foaming properties Achinta Bera1 • Ajay Mandal2 • Hadi Belhaj1 • Tarkeswar Kumar2 Received: 20 April 2016 Ó The Author(s) 2017. This article is an open access publication

  • surfactant enhanced oil recovery by wettability alteration

    Surfactant enhanced oil recovery by wettability alteration

    SURFACTANT ENHANCED OIL RECOVERY BY WETTABILITY ALTERATION IN SANDSTONE RESERVOIRS by OMAR ELMOFTY A THESIS Presented to the Faculty of the Graduate School of the MISSOURI UNIVERSITY OF SCIENCE AND TECHNOLOGY In Partial Fulfillment of the Requirements for the Degree MASTER OF SCIENCE IN PETROLEUM ENGINEERING 2012 Approved by Boujan

  • nonionic surfactant for enhanced oil recovery

    Nonionic surfactant for enhanced oil recovery

    Around 40% of the current world conventional oil production comes from carbonate reservoirs, dominantly mature and declining giant oilfields. Tertiary oil production methods as part of an Enhanced Oil Recovery (EOR) scheme are inevitable after primary and secondary oil production.

  • surfactants and additives for enhanced oil recovery

    Surfactants and Additives for Enhanced Oil Recovery

    not surprising that oil companies are looking to Enhanced Oil Recovery (EOR) to extract more crude oil from their existing reserves. Different types of EOR exist, including the chemical method, which involves injecting a blend of specialty surfactants and water into a reserve to emulsify trapped oil molecules and flush them free from rock

  • new surfactant classes for enhanced oil recovery and their

    New surfactant classes for enhanced oil recovery and their

    New surfactant classes for enhanced oil recovery and their tertiary oil recovery potential Stefan Iglauera, Yongfu Wua, Patrick Shulera, Yongchun Tanga,⁎, William A. Goddard III b a Division of Chemistry & Chemical Engineering, Power, Energy Environmental Research (PEER) Center, California Institute of Technology, Covina, CA 91722, United States b Division of Chemistry & Chemical

  • products for enhanced oil recovery (eor)

    Products for Enhanced Oil Recovery (EOR)

    Products for Enhanced Oil Recovery . High Interfacial Tension Capillary Forces prevent oil from crossing through pore throats Ultra-Low Interfacial Tension Capillary Forces are reduced to near zero, allowing oil to move through pore throats. Huntsman is a global supplier of surfactants and other chemicals widely used in oilfield operations

  • application of surfactants in hydraulic fracturing

    Application of Surfactants in Hydraulic Fracturing

    Ahmadi MA, Zendehboudi S, Shafiei A (2012) Nonionic Surfactant for Enhanced Oil Recovery from Carbonates: Adsorption Kinetics and Equilibrium. Ind Eng Chem Res 51: 98940-9905. Kumar A, Mandal A (2017) Synthesis and physiochemical characterization of zwitterionic surfactant for application in enhanced oil recovery. J Mol Liq 243.

  • functional nanoparticle-augmented surfactant fluid

    Functional Nanoparticle-Augmented Surfactant Fluid

    Different surfactants have been utilized for EOR in several low permeability reservoirs. The main mechanisms for surfactant EOR are reducing IFT and contact angle alteration. Austad et al. conducted spontaneous imbibition experiments and showed that cationic surfactant C12TAB can be utilized for enhanced oil recovery in the low permeability and

  • evaluation of zwitterionic surfactant for applicability

    Evaluation of Zwitterionic Surfactant for Applicability

    Abstract The objectives of the present study are to evaluate a zwitterionic surfactant for applicability in EOR. The surfactant was tested in terms of its salt tolerance, thermal stability, interfacial reduction capability, wettability alteration and resistance to adsorption.

  • enhanced oil recovery by nonionic surfactants considering

    Enhanced oil recovery by nonionic surfactants considering

    Enhanced oil recovery by nonionic surfactants considering micellization, surface, and foaming properties Achinta Bera1 • Ajay Mandal2 • Hadi Belhaj1 • Tarkeswar Kumar2 Received: 20 April 2016 The Author(s) 2017. This article is an open access publication Abstract Surfactants for enhanced oil recovery are impor-

  • surfactants for enhanced oil recovery stepan

    SURFACTANTS FOR ENHANCED OIL RECOVERY Stepan

    2017-04-27· The invention relates to surfactants useful for oil recovery and aqueous concentrates comprising the surfactants. BACKGROUND OF THE INVENTION. Crude oil development and production from oil bearing formations can include up to three phases: primary, secondary and tertiary (or enhanced) recovery. During primary recovery, the natural energy

  • surfactant development for enhanced oil recovery

    SURFACTANT DEVELOPMENT FOR ENHANCED OIL RECOVERY

    for tertiary oil recovery. The novel surfactants will include highly branched single, double and triple-tailed allql halides and aryl sulfonates. Additionally, anionic and nonionic surfactants such modified homologues of ethoxylates will be investigated. These surfactants will be synthesized, characterized and tested for their effectiveness for

  • application of natural surfactants for enhanced oil

    Application of Natural Surfactants for Enhanced Oil

    The huge worldwide energy demand, and the need for more crude oil production, together with the low-efficiency of the conventional abstraction methods are part of the reasons for increasing interest in Enhanced Oil Recovery (EOR) techniques for recovering more oil from existing reservoirs.

  • novel surfactants for enhanced oil recovery

    Novel Surfactants for Enhanced Oil Recovery

    Enhanced Oil Recovery (EOR) technologies with the performance to cost effectively extract this stranded oil [1]. Of all the potential EOR technologies, CO2EOR is the most successful and widely practiced. Novomer is developing breakthrough surfactant technology that can significantly enhance CO2EOR with the potential to dramatically improve CO2EOR yields. In accomplishing this goal, this

  • enhanced oil recovery using alkaline-surfactant-

    ENHANCED OIL RECOVERY USING ALKALINE-SURFACTANT-

    Enhanced Oil Recovery Using the Alkaline-Surfactant-Polymer (ASP). (April 2010) Darya Musharova . Department of Petroleum Engineering . Texas A&M University . Research Advisor: Dr. Hisham Nasr-El-Din . Department of Petroleum Engineering . Alkaline Surfactant Polymer (ASP) process is a tertiary method of oil recovery that has

  • functional nanoparticle-augmented surfactant fluid

    Functional Nanoparticle-Augmented Surfactant Fluid

    Surfactants can stabilize the emulsions and literate the oil from rocks. In order to enhance the oil recovery, surfactant has been tested to link onto the nanoparticle to enhance the efficacy of oil recovery. Suitably surface-coated nanoparticles will adsorb preferentially at oil/water interfaces, the recovery efficiency is enhanced.

  • characterization of hydrophobically modified

    Characterization of Hydrophobically Modified

    2019-12-03· Magny et al. showed the rheological behavior between the hydrophobic polymer and anionic/nonionic/cationic surfactant and identified favorable systems for petroleum recovery function. 23 Synthesized polymer interaction with a surfactant and its emulsification properties are essential for their potential application for enhanced oil recovery.

  • triple7 eor envirofluid

    Triple7 EOR Envirofluid

    Enhanced Oil Recovery. Chemical Oil Recovery has quickly become the most significant and cost effective oil recovery method in use today due to its high yield, low energy use and low cost. Of all chemical oil recovery methods Surfactant Enhanced Oil Recovery (SEOR) is by far the front-runner in increasing oil field outputs in both the short and

  • interaction between polymer and anionic/nonionic

    Interaction between polymer and anionic/nonionic

    ABSTRACTVarious experimental methods were used to investigate interaction between polymer and anionic/nonionic surfactants and mechanisms of enhanced oil recovery by anionic/nonionic surfactants in the present paper. The complex surfactant molecules are adsorbed in the mixed micelles or aggregates formed by the hydrophobic association of hydrophobic groups of polymers, making the surfactant

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