• chemical stability of polyacrylamide polymers onepetro

    Chemical Stability of Polyacrylamide Polymers OnePetro

    Summary A comprehensive study of the chemical stability of polyacrylamide (PAA) polymers was conducted. The primary emphasis of the study was to determine the stability of Dow Pusher TM 500 PAA in Sundance brine a 115 deg. 17 (46 deg. C). Experiment

  • chemical stability of polyacrylamide under onepetro

    Chemical Stability of Polyacrylamide Under OnePetro

    This study is concerned with the chemical stability of polyacrylamides. Hill and his coworkers have indicated that a rigorous laboratory evaluation of the chemical stability of polymers for reservoir applications has many difficult practical problems. Most chemical stability studies of polyacrylamide in the literature have been carried out

  • stability of biopolymer and partially onepetro

    Stability of Biopolymer and Partially OnePetro

    However, there is a legitimate concern about the chemical stability of polymers when there is dissolved oxygen in the injection water or injection facility and its high concentrations of H 2 S in the reservoir. Several synthetic polymers and biopolymers were selected for stability

  • effect of dissolved iron and oxygen on stability

    Effect of Dissolved Iron and Oxygen on Stability

    Summary. This paper describes an experimental study of the stability of a hydrolized polyacrylamide (HPAM) polymer and an HPAM-2-acrylamido-tertbutylsulfonic acid (ATBS) terpolymer in the presence of varying initial levels of dissolved oxygen (0 to 8,000 ppb), Fe 2+ (0 to 220 ppm), and Fe 3+ (0 to 172 ppm). A special method was developed to attain and confirm dissolved-oxygen levels.

  • shear stability of eor polymers onepetro

    Shear Stability of EOR Polymers OnePetro

    Summary An experimental study of shear stability of several high-molecular-weight polymers used as mobility-control agents in EOR projects has been performed in well-controlled conditions. The shearing device was made of a capillary tube with an int

  • high hole-stability property-anionic polyacrylamide

    High hole-stability property-anionic Polyacrylamide

    Chemical Stability of Polyacrylamide Polymers OnePetro. Chemical Stability of Polyacrylamide Polymers Authors Russell D. Shupe (Conoco Inc.) DOI Conoco Inc. completed a successful tertiary recovery pilot flood in the Second Wall Creek sand of the Big Muddy field, located near Glenrock, WY.

  • polyacrylamide polymer for oil contamination purity

    Polyacrylamide polymer for oil contamination purity

    Chemical Stability of Polyacrylamide Polymers OnePetro. Summary A comprehensive study of the chemical stability of polyacrylamide (PAA) polymers was conducted. The primary emphasis of the study was to determine the stability of Dow Pusher TM 500 PAA in Sundance brine a 115 deg. 17 (46 deg. C). Experiment. Cited by: 103

  • chemical stability limits of water-soluble polymers used

    Chemical Stability Limits of Water-Soluble Polymers Used

    Summary. This work describes long-term thermal stability limits of water-soluble polymers under anaerobic conditions. Polymers investigated included polyacrylamide, xanthan, scleroglucan, cellulose sulfate, and a heteropolysaccharide of unknown stru

  • stability of biopolymer and partially hydrolyzed

    Stability of Biopolymer and Partially Hydrolyzed

    There are many oil reservoirs worldwide with substantial amount of H 2 S but otherwise very favorable conditions for polymer flooding such as low temperature, high permeability, and moderate to high oil viscosity. However, there is a legitimate concern about the chemical stability of polymers when there is dissolved oxygen in the injection water or injection facility and its high

  • chemical degradation of polyacrylamide polymers under

    Chemical Degradation of Polyacrylamide Polymers Under

    Abstract Hydrolysis of polyacrylamide-based polymers is rapid and extensive under the alkaline conditions typical of alkaline-surfactant-polymer (ASP) flooding. Even at room temperature, significant hydrolysis occurs within one to two months in the

  • polyacrylamide polymer for oil contamination purity

    Polyacrylamide polymer for oil contamination purity

    Chemical Stability of Polyacrylamide Polymers OnePetro. Summary A comprehensive study of the chemical stability of polyacrylamide (PAA) polymers was conducted. The primary emphasis of the study was to determine the stability of Dow Pusher TM 500 PAA in Sundance brine a 115 deg. 17 (46 deg. C). Experiment. Cited by: 103

  • theoretical studies of hydrolysis and stability

    Theoretical studies of hydrolysis and stability

    Water-soluble polyacrylamide (PAM) and partially hydrolyzed polyacrylamide (HPAM) polymers are among the most commonly used chemicals in oilfield applications. In polymer-augmented water-flooding Enhanced Oil Recovery (EOR) processes, HPAM polymers are often used as mobility-control agents to increase the viscosity of stimulation fluids in order to improve the sweep efficiency [1],[2],[3] .

  • paper making chemicals mixed polyacrylamide for kuwait

    paper making chemicals mixed polyacrylamide for Kuwait

    A wide variety of oil industry anionic polyacrylamide options are available to you, such as coating auxiliary agents, paper chemicals, and water treatment chemicals. Chemical Stability of Polyacrylamide Polymers OnePetro. Summary A comprehensive study of the chemical stability of polyacrylamide (PAA) polymers was conducted. The primary emphasis

  • polyacrylamide

    Polyacrylamide

    Stability. In dilute aqueous solution, such as is commonly used for Enhanced Oil Recovery applications, polyacrylamide polymers are susceptible to chemical, thermal, and mechanical degradation. Chemical degradation occurs when the labile amide moiety hydrolyzes at elevated temperature or pH, resulting in the evolution of ammonia and a remaining

  • polyacrylamide mechanical degradation and stability

    Polyacrylamide Mechanical Degradation and Stability

    Abstract Polymer flooding enhances oil recovery due to mobility reduction of the injected water, mainly because of the viscosifying capability of the polymer. However, polymer degradation causes viscosity loss. Thus, determining the degradation magnitude is key to a successful polymer flooding. This paper focuses on mechanical and chemical (due to iron presence) degradation mechanisms.

  • a robust nitrogen-digestion method to determine the

    A Robust Nitrogen-Digestion Method to Determine the

    Abstract Polyacrylamide-type polymers are widely used in polymer flooding techniques for mobility control. To monitor the performance of a polymer flooding process in either field application or laboratory testing, it requires the accurate determination of polymer concentrations in the effluents. This paper presents a robust nitrogen-digestion method to determine the concentrations of various

  • polyacrylamide degradation and its implications

    Polyacrylamide degradation and its implications

    Chemical degradation of PAM that leads to chain scission involves activation of the polymer by free radicals, 42,62,63,64,65,66 most commonly hydroxyl radicals generated in the environment from

  • chemical modification of acrylamide polymers

    Chemical Modification of Acrylamide Polymers

    Abstract. The world market for synthetic water-soluble polymers was about 950,000 metric tons in 1994. 1 Among them, acrylamide copolymers are used extensively in water treatment as flocculants, coagulants and dispersants. The activities of these polymers are closely related to their molecular weights and structures, especially the nature of the pending groups.

  • polymers for conformance improvement petrowiki

    Polymers for conformance improvement PetroWiki

    Acrylamide polymers have emerged to be the most widely used synthetic polymer family for application in polymer flooding and in polymer and polymer-gel conformance improvement treatments. This has come about in large part because of cost and availability issues and because of the favorable chemical robustness and biological stability.

  • molecular structure characterization and interaction of a

    Molecular Structure Characterization and Interaction of a

    Abstract According to the strategy to search alternative products which can replace (partially) the use of expensive polymers in polymer-flood projects, this work helps to find the optimum combination between polymer and xanthan-gum to develop a mixture that generates viscosity in good economical and rheological conditions. >The aim of this work is the characterization of the mixture of a

  • mechanical stability of high-molecular-weight

    Mechanical stability of high-molecular-weight

    In general, mechanical stability of linear polymers used in chemical enhanced oil recovery can be enhanced by tailoring a polymer that has large side groups similar to the sulfonated polyacrylamide. Also, polyacrylamide-based microgels can be applied if high mechanical stability is required.

  • nic code for polyacrylamide based polymers

    nic code for polyacrylamide based polymers

    Polyacrylamide and related polymers ScienceDirect. Polyacrylamide-based biomaterials are very suitable for engineering DDS owing to their excellent biocompatibility and synthetic ease. The versatile polyacrylamide chemistry allowed the architecture of various polymeric materials such as micelles, gels, and nanoparticles for DDS applications

  • degradation of polyacrylamide: a review scientific.net

    Degradation of Polyacrylamide: A Review Scientific.Net

    Water-soluble polyacrylamide is commercially available in different domains of industry, such as water purified, paper making, pharmacy, agriculture and oil exploitation. Especially polyacrylamide is used for polymer displacement, which can enhance oil recovery through increasing the sweeping efficiency. Good economic effects are achieved by the industrial application of polymer in various oil

  • challenges in processing produced emulsion

    Challenges in Processing Produced Emulsion

    Polymer flood using polyacrylamide is an effective way to increase oil production in many aged fields. While extensive research and development and field practices have demonstrated the improvements in oil recovery using this technology, the development on effective methods of processing the produced emulsion from polymer flood lags behind.

  • applicability of hydroxyethylcellulose polymers

    Applicability of Hydroxyethylcellulose Polymers

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  • rheology and transport of improved eor polymers

    Rheology and Transport of Improved EOR Polymers

    New polymers that are stable in harsh environments (high salinity/hardness and high temperature) are in high demand because of the need for chemical EOR in oil reservoirs with these conditions. Commonly used partially hydrolyzed polyacrylamides (HPAM) have been successfully used in the field for decades, but they hydrolyze at high temperature and eventually precipitate in the presence of high

  • performance evaluation of novel polymers for co foam

    Performance Evaluation of Novel Polymers for CO Foam

    Addition of a water-soluble polymer in a conventional foam can increase foam stability, viscosity, and oil tolerance. Most of the previous studies utilized partially hydrolyzed polyacrylamide (HPAM) for CO 2 foam stabilization. However, the data on CO 2 foam stabilization using other polymers is limited. In this work, CO 2 foam stability was

  • chemical stability of biopolymer solutions (conference

    Chemical stability of biopolymer solutions (Conference

    The U.S. Department of Energy's Office of Scientific and Technical Information

  • polymer waterflooding design and implementation

    Polymer waterflooding design and implementation

    When conducting a polymer waterflood, a high-molecular-weight and viscosity-enhancing polymer is added to the water of the waterflood to decrease the mobility of the flood water and, as a consequence, improve the sweep efficiency of the waterflood (See Polymer waterflooding).This articles focuses on the design and field implementation of a polymer waterflood.

  • the stability of the polyacrylamide flocculant

    The stability of the polyacrylamide flocculant

    CHINAFLOC is a professional manufacturer and supplier of Acrylamide, Polyacrylamide and Flocculant in Qingdao, China. The stability of the polyacrylamide flocculant under various PH value

  • theoretical studies of hydrolysis and stability

    Theoretical studies of hydrolysis and stability

    The U.S. Department of Energy's Office of Scientific and Technical Information

  • polymer degradation holistic modeling of chemical

    Polymer Degradation Holistic Modeling of Chemical

    Abstract Degradation of EOR polymers, including thermal and mechanical degradation and in-situ hydrolysis, has been a long-neglected topic in simulation of polymer flooding. Recent field studies and increasing application of polymer to challenging conditions of temperature and salinity highlight the importance of proper modeling of these phenomena.

  • polyacrylamide (pam) enhance soil structural stability

    Polyacrylamide (pam) Enhance Soil Structural Stability

    Polyacrylamide (pam) Enhance Soil Structural Stability,Find Complete Details about Polyacrylamide (pam) Enhance Soil Structural Stability,Polyacrylamide Polymer,Soil Stabilizer Chemical,Soil Stabilizer For Road from Electronics Chemicals Supplier or Manufacturer-Liaocheng City Yongxing Environmental Protection Material Co., Ltd.

  • mechanical stability of high‐molecular‐weight

    Mechanical stability of high‐molecular‐weight

    Nonionic polyacrylamide and polyacrylamide‐based microgels are als Mechanical stability of high‐molecular‐weight polyacrylamides and an (acrylamido tert‐butyl sulfonic acid)–acrylamide copolymer used in enhanced oil recovery Al‐Hashmi 2014 Journal of Applied Polymer Science

  • (pdf) long term stability of acrylamide based polymers

    (PDF) Long Term Stability of Acrylamide Based Polymers

    Long Term Stability of Acrylamide Based Polymers during Chemically Assisted CO 2 WAG EOR Francisco D. Tovar, SPE, Maria A. Barrufet, SPE, and David S. Schechter, SPE, Texas A&M University

  • polyacrylamide for oil drilling chemical for kuwait oil

    Polyacrylamide for oil drilling chemical for Kuwait oil

    A wide variety of oil industry anionic polyacrylamide options are available to you, such as coating auxiliary agents, paper chemicals, and water treatment chemicals. Chemical Stability of Polyacrylamide Polymers OnePetro. Summary A comprehensive study of the chemical stability of polyacrylamide (PAA) polymers was conducted. The primary emphasis

  • improved toughness and stability of κ-carrageenan

    Improved Toughness and Stability of κ-Carrageenan

    We found that dual-cross-linking of the κ-carrageenan network, i.e., the coiled-coil junctions and the metal-coordination bonds, was indispensable for the combined mechanical properties and stability of these gels. Essential reasons were rationally discussed

  • application of polymer integration technique

    Application of polymer integration technique

    This study uses a polymer integration technique in attempting to optimize the performance of PAM in the enhanced oil recovery process for reservoirs with high temperature and salinity. The results show that, at high temperature, hydrolysis is suppressed and gel stability is maintained via the addition of Polyvinylpyrrolidone (PVP) to PAM solutions.

  • polyacrylamide chemical for iran oil drilling in coating

    polyacrylamide chemical for iran oil drilling in coating

    Polyacrylamide PAM flocculant 12 million MW for oil drilling Polyacrylamide is a kind of linear polymers,it can soluble in water,insoluble in most organic solvents.it has good flocculation and also can reduce the friction resistance between liquid. Get Price; CAS No. 9003-05-8 PHPA Anionic Polyacrylamide Polymer

  • acrylamide c3h5no pubchem

    Acrylamide C3H5NO PubChem

    Acrylamide is a colorless, odorless, crystalline amide that polymerizes rapidly and can form as a byproduct during the heating of starch-rich foods to high temperatures. Acrylamide is used in the production of polymers mainly in the water treatment industry, pulp and paper industry and textile treatment industry and is used as a laboratory

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