• us4535131a process for producing partially hydrolyzed

    US4535131A Process for producing partially hydrolyzed

    The partially hydrolyzed polyacrylamide thus produced is characterized by uniform hydrolysis evidenced by its improved solubility in water and a pH around 7 of its aqueous solution. The term "aquagel" is herein used interchangeably with a term "hydrogel". US4535131A Process for producing partially hydrolyzed acrylamide polymer Google Patents Process for producing partially hydrolyzed

  • process for producing partially hydrolyzed polyacrylamide

    Process for producing partially hydrolyzed polyacrylamide

    1976-07-06· A process for producing a partially hydrolyzed polyacrylamide which has a high molecular weight and high water solubility and can be suitably used as a flocculant for water treatment and a size for paper manufacture comprising polymerizing an aqueous solution of an acrylamide monomer in the presence of an alkali metal hydroxide such as sodium hydroxide and boric acid,

  • production of a polyacrylamide solution used in an oil

    Production of a polyacrylamide solution used in an oil

    1987-01-06· In a process for producing a partially hydrolyzed polyacrylamide solution having predetermined properties of screen factor and viscosity based on the performance demands of a subterranean oil-bearing formation, wherein an acrylamide monomer is polymerized using a polymerization initiator to form said partially hydrolyzed polyacrylamide solution

  • acrylamide and polyacrylamide markit

    ACRYLAMIDE AND POLYACRYLAMIDE Markit

    A Process for Making Partially Hydrolyzed Polyacrylamide With Very High Molecular Weight .. Process Description .. Cost Estimate .. A Process for Making Partially Hydrolyzed Polyacrylamide With High Molecular Weight .. Process Description..

  • biodegradation of partially hydrolyzed polyacrylamide

    Biodegradation of Partially Hydrolyzed Polyacrylamide

    Biodegradation of Partially Hydrolyzed Polyacrylamide by Bacteria Isolated From Production Water After Polymer Flooding in an Oil Field December 2010 Journal of hazardous materials 184(1-3):105-10

  • influences of partially hydrolyzed polyacrylamide (hpam

    Influences of partially hydrolyzed polyacrylamide (HPAM

    2008-08-01· 1. Introduction. Polymer flooding is an enhanced oil recovery (EOR) process. Water-soluble polymer, for example partially hydrolyzed polyacrylamide (HPAM), is added to the flooding water to improve the mobility ratio in the flooding process .Polymer flooding technology has been used in the later period of oil field producing.

  • china partially hydrolyzed polyacrylamide phpa polymer

    China Partially Hydrolyzed Polyacrylamide PHPA Polymer

    Partially Hydrolyzed Polyacrylamide (PHPA) Powder. PHPA Powder for Drilling Mud Additive. Bluwat Chemicals is the leading manufacturer and exporter of good quality PHPA(Partially Hydrolyzed Polyacrylamide) for oil drilling and EOR process. It is a high molecular weight polymer that controls fluid loss and increases viscosity, friction reduction.

  • polymers for conformance improvement petrowiki

    Polymers for conformance improvement PetroWiki

    Basic Oilfield Polymer TypesViscosity Enhancement and Permeability ReductionChemistry of Polymers Used in Conformance ImprovementBiopolymersSynthetic PolymersThere are two fundamentally different types of water-soluble and viscosity-enhancing polymer chemistries that have been used during polymer waterflooding and conformance improvement treatments. The first type is biopolymers, such as Xanthan gum polymer. The second type is man-made synthetic polymers, such as acrylamide-based polymers.Biopolymers of the type used in conformance improvement are polysaccharides (poly sugars) in which the monomer chemical linkages of the polymer backbone are gl

    US5571862A Stabilized polyacrylamide emulsions

    Dispersions of polyacrylamide particles are formed and treated with a caustic material to hydrolyze the polymer to form anionic acrylamide polymers. A preferred technique for forming these products comprises the formation of a stabilized water-in-oil emulsion of aqueous acrylamide monomer, polymerizing the monomer, reacting the polymer emulsion thus formed with a hydrolysis agent and inverting

  • polyacrylamide degradation and its implications

    Polyacrylamide degradation and its implications

    2018-09-07· The hydrolyzed form of polyacrylamide (HPAM), a co-polymer of acrylamide and acrylic acid, is the most widely used anionic PAM in oil and gas development as well as in

  • acrylamide production methods

    Acrylamide production methods

    Sulfuric acid hydration process is complex, copper catalytic hydration reaction due to the addition contain small amounts of by-products; Microbial production of monomers due to low impurity content, high activity, particularly suitable for producing ultra-high molecular weight polyacrylamide, and therefore subject to respected. Relative to the

  • phpa (partially hydrolyzed polymer) suppliers

    PHPA (Partially Hydrolyzed Polymer) Suppliers

    PHPA or Partially Hydrolyzed Polyacrylamide refers to high molecular weight polymers that checks the fluid loss, alleviates friction and enhances viscosity. This can be used as a dispersant, flocculant, blocking agent, lubricant, fluid loss additive, etc. It serves as a polymer for drilling mud additive. It can be used in both oil or gas

  • mobility control and enhanced oil recovery using partially

    Mobility Control and Enhanced Oil Recovery using Partially

    Mobility Control and Enhanced Oil Recovery using Partially Hydrolyzed Polyacrylamide (PHPA) Article (PDF Available) in International Journal of Oil Gas and Coal Technology 6(3) · January 2011

  • production of a polyacrylamide solution used in an oil

    Production of a polyacrylamide solution used in an oil

    1987-01-06· In a process for producing a partially hydrolyzed polyacrylamide solution having predetermined properties of screen factor and viscosity based on the performance demands of a subterranean oil-bearing formation, wherein an acrylamide monomer is polymerized using a polymerization initiator to form said partially hydrolyzed polyacrylamide solution

  • rheology and polymer flooding characteristics of partially

    Rheology and Polymer Flooding Characteristics of Partially

    Rheology and Polymer Flooding Characteristics of Partially Hydrolyzed Polyacrylamide for Enhanced Heavy Oil Recovery Jae Chul Jung,1 Ke Zhang,2 Bo Hyun Chon,1 Hyoung Jin Choi2 1Department of

  • polyacrylamide

    Polyacrylamide

    While polyacrylamide itself is relatively non-toxic, it is known that commercially available polyacrylamide contains minute residual amounts of acrylamide remaining from its production, usually less than 0.05% w/w. Additionally, there are concerns that polyacrylamide may de

  • us5571862a stabilized polyacrylamide emulsions

    US5571862A Stabilized polyacrylamide emulsions

    Dispersions of polyacrylamide particles are formed and treated with a caustic material to hydrolyze the polymer to form anionic acrylamide polymers. A preferred technique for forming these products comprises the formation of a stabilized water-in-oil emulsion of aqueous acrylamide monomer, polymerizing the monomer, reacting the polymer emulsion thus formed with a hydrolysis agent and inverting

  • synthesis of high molecular weight partially hydrolyzed

    Synthesis of High Molecular Weight Partially Hydrolyzed

    Synthesis of High Molecular Weight Partially Hydrolyzed Polyacrylamide and Investigation on its Properties A continuous process for the polymerization of acrylamide and hydrolysis of function-al groups in alkaline condition has been carried out. It was found that acrylamide may be polymerized and hydrolyzed in a single consequential step

  • synthesis of hydrogel nanocomposites based on partially

    Synthesis of Hydrogel Nanocomposites Based on Partially

    Polymeric gels have been an important category for material scientists due its versatile structural features. Hence, hydrogels are being used to reduce excess production water in oil reservoirs. In this work, cross-linked partially hydrolyzed polyacrylamide (HPAM) composite hydrogels impregnated with bentonite clay (Bent) and bentonite clay modified (Orgbentent) with the surfactant

  • rheological properties of partially hydrolyzed

    Rheological Properties of Partially Hydrolyzed

    This work aims to improve the rheological properties of partially hydrolyzed polyacrylamide (HPAM) for enhanced oil recovery by using silica (or silicon dioxide, SiO2) nanoparticles (NPs). Novel aqueous HPAM-based SiO2 nanocomposites were formulated, and their rheological properties were investigated under different salinities, temperatures, and aging times. The results show that the inclusion

  • manufacturer and exporter of good quality phpa(partially

    Manufacturer And Exporter Of Good Quality Phpa(partially

    Manufacturer And Exporter Of Good Quality Phpa(partially Hydrolyzed Polyacrylamide) For Oil Drilling And Eor Process,Find Complete Details about Manufacturer And Exporter Of Good Quality Phpa(partially Hydrolyzed Polyacrylamide) For Oil Drilling And Eor Process,Dry Acrylamide Copolymer Polyacrylamide Phpa,Polyacrylamide Phpa For Eor,Factory High Viscosity Polyacrylamide

  • mobility control and enhanced oil recovery using partially

    Mobility Control and Enhanced Oil Recovery using Partially

    Mobility Control and Enhanced Oil Recovery using Partially Hydrolyzed Polyacrylamide (PHPA) Article (PDF Available) in International Journal of Oil Gas and Coal Technology 6(3) · January 2011

  • synthesis of high molecular weight partially hydrolyzed

    Synthesis of High Molecular Weight Partially Hydrolyzed

    Synthesis of High Molecular Weight Partially Hydrolyzed Polyacrylamide and Investigation on its Properties A continuous process for the polymerization of acrylamide and hydrolysis of function-al groups in alkaline condition has been carried out. It was found that acrylamide may be polymerized and hydrolyzed in a single consequential step

  • rheological behavior of partially hydrolyzed

    Rheological Behavior of Partially Hydrolyzed

    Hydrogel produced by cross‐linking a dilute or semidilute partially hydrolyzed polyacrylamide solution with water soluble phenolic aldehyde has been characterized by rheology studies. First, the

  • application of polyacrylamide (pam) used in oil field

    Application of Polyacrylamide (PAM) used in oil field

    As a drilling fluid conditioner, a partially hydrolyzed polyacrylamide,which is obtained by hydrolysis of PAM, is often used. Its role is to adjust the rheology of the drilling fluid, carry rock debris, lubricate the drill bit, and reduce fluid loss. The proportion of drilling mud modulated with PAM is low, because of less content, reducing

  • preparation of aqueous polyacrylamide solutions

    Preparation of aqueous polyacrylamide solutions

    This patent describes a process for the secondary and tertiary recovery of oil from an oil-bearing subterranean formation having at least one input well and at least one output well which process includes the preparation of an aqueous solution of a polymer consisting essentially of a partially hydrolyzed polyacrylamide capable of meeting the

  • rheological properties of partially hydrolyzed

    Rheological Properties of Partially Hydrolyzed

    This work aims to improve the rheological properties of partially hydrolyzed polyacrylamide (HPAM) for enhanced oil recovery by using silica (or silicon dioxide, SiO2) nanoparticles (NPs). Novel aqueous HPAM-based SiO2 nanocomposites were formulated, and their rheological properties were investigated under different salinities, temperatures, and aging times. The results show that the inclusion

  • imported phpa (partially hydrolyzed polyacrylamide)

    Imported PHPA (Partially Hydrolyzed Polyacrylamide)

    Agi Industries Private Limited offering Imported PHPA (Partially Hydrolyzed Polyacrylamide), For Industrial, Packaging Size: 25 at Rs 165/kilogram in Ahmedabad, Gujarat. Get best price and read about company and get contact details and address. ID: 14562427097

  • acrylamide production methods

    Acrylamide production methods

    Sulfuric acid hydration process is complex, copper catalytic hydration reaction due to the addition contain small amounts of by-products; Microbial production of monomers due to low impurity content, high activity, particularly suitable for producing ultra-high molecular weight polyacrylamide, and therefore subject to respected. Relative to the

  • 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

  • electrostatic dehydration of heavy oil from polymer flood

    Electrostatic Dehydration of Heavy Oil from Polymer Flood

    Polymer flood using partially hydrolyzed polyacrylamide (HPAM) has proven to be an effective method for increasing oil recovery. However, when HPAM breaks through the reservoir and shows up in produced fluids, it brings unique emulsion characteristics and challenges to the separation processes.

  • process for production of hydrolysed collagen

    Process for Production of Hydrolysed Collagen

    In conclusion, process design, application and market demand, existing process technology, research and development work and potential future research development for the production of hydrolysed collagen have been reviewed. Hydrolysed collagen from agricultural resources such as cattle bones, fish skins and fish scales obtained from enzymatic

  • experimental evaluation of partially hydrolyzed

    Experimental evaluation of partially hydrolyzed

    EOR is also important because of the enhancement in oil production from thirty percent to more than fifty percent. The chemical EOR is one of the techniques for the increment in oil production. Chemical flooding using water-soluble polymers like partially hydrolyzed polyacrylamide (PHPA) has been industrially used as an EOR technique. The paper

  • empirical correlations for viscosity of partially

    Empirical correlations for viscosity of partially

    Empirical correlations for viscosity of partially hydrolyzed Polyacrylamide, Journal of Petroleum Exploration and Production Technology, 2014, pp. 209-213,

  • photoelectrocatalytic degradation of partially hydrolyzed

    Photoelectrocatalytic degradation of partially hydrolyzed

    partially hydrolyzed polyacrylamide (HPAM) in a three-dimensional electrocatalytic system under xenon lamp. HPAM exhibited more efficient degradation in the presence of a supporting catalyst using the photoelectrocatalytic process than by photocatalytic or electrocatalytic oxidation or even the sum of the two in saline water. The effects of

  • spe 165269 electrostatic dehydration of heavy oil

    SPE 165269 Electrostatic Dehydration of Heavy Oil

    Polymer flood using partially hydrolyzed polyacrylamide (HPAM) has been proven to be an effective method to increase oil recovery. However, when HPAM breaks through the reservoir and shows up in the produced fluids, it brings unique emulsion characteristics and challenges to the separation processes. One of the difficulties is the severe

  • efficient synthesis of polyacrylamide based hydrogels

    Efficient Synthesis of Polyacrylamide based Hydrogels

    polyacrylamide has gained significant interest due to its application in enhanced oil recovery (EOR). In this process, static mixers are used to mix partially hydrolyzed polyacrylamide (HPAM) with injected water to recover the oil from reservoir. Since this polymer solution is extremely viscous, static mixers are used to perform this operation

  • rheological properties of partially hydrolyzed

    Rheological Properties of Partially Hydrolyzed

    1School of Chemical and Process Engineering, University of Leeds, Leeds, U.K. 2School of Aeronautic Science and Engineering, Beihang University, Beijing, 100191 Email: [email protected] Abstract This work aims to improve the rheological properties of partially hydrolysed polyacrylamide

  • efficient estimation of hydrolyzed polyacrylamide (hpam

    Efficient estimation of hydrolyzed polyacrylamide (HPAM

    REGULAR ARTICLE Efficient estimation of hydrolyzed polyacrylamide (HPAM) solution viscosity for enhanced oil recovery process by polymer flooding Alireza Rostami1,*, Mahdi Kalantari-Meybodi2, Masoud Karimi1, Afshin Tatar3, and Amir H. Mohammadi4,* 1 Department of Petroleum Engineering, Petroleum University of Technology (PUT), Ahwaz, Iran 2 Young Researchers and Elites Club,

  • polyacrylamide 9003-05-8 latest price, manufacturers

    Polyacrylamide 9003-05-8 Latest Price, Manufacturers

    Find here Polyacrylamide, 9003-05-8 manufacturers, suppliers & exporters in India. Get contact details & address of companies manufacturing and supplying Polyacrylamide, 9003-05-8 across India.

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