Home » Western Europe Nonionic Polymer for Drag Reducer

Western Europe Nonionic Polymer for Drag Reducer

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Drag Reduction Technologies

Drag Reduction Technologies

to the drag properties of the dilute solutions of poly(ethylene oxide). Guar gum, which is a natural polymer - a polysaccharide derived from a plant, gave a similar reduction effect. Surfactants were discovered as an efficient drag reducer in the early forties. During
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Drag-reducing copolymer compositions - CESI Chemical, Inc.

Drag-reducing copolymer compositions - CESI Chemical, Inc.

Sample 1-2: Drag-reducing additive in which the polymer is a nonionic polyacrylamide emulsion. In a preferred embodiment, the polymer is Hychem NE823, available from Hychem, Inc. Sample 1-3: Drag-reducing additive in which the polymer is a cationic copolymer emulsion of acrylamide and dimethylaminoethylacrylate methyl chloride quarternary salt (DMAEA MCQ), such as …
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(PDF) Pipeline flow improvement by drag reduction agent

(PDF) Pipeline flow improvement by drag reduction agent

The present work studies the effect of a commercially type of drag reducing agent on the crude oil production flow lines located in the Egyptian western desert …
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Investigation of Surfactant-Polymer Interactions Using ...

Investigation of Surfactant-Polymer Interactions Using ...

Sep 18, 2020 · The interactions between surfactants and a drag-reducing polymer were investigated at a low polymer concentration of 500 ppm, using measurements of the rheology and surface activity of surfactant-polymer solutions. A well-known drag-reducing polymer (anionic sodium carboxymethyl cellulose) and five different surfactants (two anionic, two non-ionic, and …
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An Overview of Viscosity Reducers in Heavy Crude Oil ...

An Overview of Viscosity Reducers in Heavy Crude Oil ...

Surfactants which act as powerful drag reducers in turbulent flow in pipes are non -ionic, anionic, cationic and zwitterionic . Their ability as drag reducers at low concentration are ascribed to ...
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US3736288A - Drag reducing formulations - Google Patents

US3736288A - Drag reducing formulations - Google Patents

this invention relatesto improved hydrodynamic drag reducing formulations which comprise (a) particulate ethylene oxide polymer, (b) an inert, normally-liquid, water-miscibe organic vehicle which is a non-solvent for saidethylene oxide polymer such as propylene glycol, (c) a suspending agent which is non-reactve with said ethylene oxide polymer and said organic vehicle such as …
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Molecules | Free Full-Text | Turbulent Drag Reduction with ...

Molecules | Free Full-Text | Turbulent Drag Reduction with ...

Jan 06, 2022 · Jing et al. reported an associative polymer friction reducer containing a nonionic hydrophobic monomer. The highest drag reduction of 70% was obtained when at polymer concentration of 500 mg⋅L − 1 with a kinematic viscosity of 1.29 mm 2 ⋅s − 1 in brine containing 3.0 × 10 4 mg⋅L − 1 NaCl.
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Reduced adsorption of polyacrylamide‐based fracturing ...

Reduced adsorption of polyacrylamide‐based fracturing ...

Nov 19, 2018 · Presently, the most common drag reduction agent is a kind of polyacrylamide (PAM) polymer which is usually anionic, nonionic, or cationic. 18, 19 A large amount of slick-water is injected into the shale reservoir for more network fractures. It leads to a large volume of PAM remaining in the shale reservoirs after hydraulic fracturing.
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Review on Drag Reduction and Its Heat Transfer by ...

Review on Drag Reduction and Its Heat Transfer by ...

Jan 01, 2011 · The first commercial application for high polymer drag reduction was its use in the 48-inch diameter 800 mile long Alaska pipeline carrying crude oil from the North slope in Alaska to Valdez in the south of Alaska [5, 6].Due to the very slow recovery (days) after high shear through a pump, aluminum disoaps were not practical as a drag reducer []. ...
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Locating the Temperature Switch for a Drag Reducing Solution

Locating the Temperature Switch for a Drag Reducing Solution

in drag reduction [9]. In addition, in order for polymers to be e↵ective drag reducing additives, they must have a molecular weight of at least 105 g/mol [10]. As the molecular weight of the polymer additive is increased, as is its drag reducing e↵ects [3]. Polymer drag reducing additives also have a downside; once exposed to
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Review of friction reducers used in slickwater fracturing ...

Review of friction reducers used in slickwater fracturing ...

Feb 01, 2019 · The basic design is to add a large amount of salt-resistant monomers (such as AMPS) to the polymer backbone chain, and to use a twin-tailed nonionic hydrophobic monomer to synthesize a hydrophobically associating polymer (Mao et al., 2018). Further test showed that the DR rate of a newly synthesized FR reached about 70% at a concentration of 0 ...
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Roles of drag reducing polymers in single- and multi-phase ...

Roles of drag reducing polymers in single- and multi-phase ...

Nov 01, 2014 · Of the three polymers used, polyethylene oxide and guar gum resulted in drag reductions up to almost 80% at 0.3% concentration when the Reynolds number was in excess of 10 5. The sodium carboxymethyl cellulose was not as good as the other two, giving drag reduction of about 60%.
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