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Argentina Water-In-Water Type High Viscosity Polyacrylamide Low Cost

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Guar Gum as Flow Improver in Single-Phase Water and Liquid ...

Guar Gum as Flow Improver in Single-Phase Water and Liquid ...

Feb 27, 2020 · The molecular weight of guar gum was determined to be 994,035 ± 1.9% g/mol. Results showed that maximum drag reduction of 45% was achieved by the addition of 200 ppm of guar gum to single-phase water flow at Re of 69,000 in the 12-mm-ID pipe. In oil–water flows, maximum DR of 23% was achieved for 0.25 oil fraction and 200 ppm of guar gum.
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Rheological investigation of clay-stabilized oil-in-water ...

Rheological investigation of clay-stabilized oil-in-water ...

Sep 01, 2021 · As can be seen from Fig. 4b, at a shear rate of 7 s-1, the clay dispersion viscosity is very low (smaller than 2 mPa s) at very low (<0.1 wt%) and very high (>20 wt%) salineases rapidly to large than 10 mPa s …
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Polymer Flooding for Enhanced Oil Recovery

Polymer Flooding for Enhanced Oil Recovery

Due to decreased water production and enhanced oil production, the total cost of using the polymer flooding technique is less than that of water flooding. The polymer flooding efficiency ranges from 0.7 to 1.7emental oil production. [3]
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Fracturing method using a low-viscosity fluid with low ...

Fracturing method using a low-viscosity fluid with low ...

This fluid has a low viscosity of 2-3 cP, which requires a high pump rate to transport proppant. Small proppant size like 40/70 is common with this fluid due to its low viscosity. Water frac is the least damaging to the proppant pack of the three frac fluid types and …
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Hydraulic Fracturing Stimulation in Unconventional ...

Hydraulic Fracturing Stimulation in Unconventional ...

Non-ionic PAM Polyacrylamide Anionic PAM Polyacrylamide-co-acrylic acid, ... On the other hand, anionic HVFRs tend to have minimum formation damage, but can’ttolerate high TDS level of salt water. The viscosity and elasticity (n’ & k’) are crucial factors to develop better fracturing fluids ... to treat produced water with low cost and ...
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Copolymer Based on Polyglycerol-Acrylate-Lactate as ...

Copolymer Based on Polyglycerol-Acrylate-Lactate as ...

The goal is to decrease theasing the viscosity of the displacing water leading to the improvement of recovery efficiencies [1, 2]. Partially hydrolyzed polyacrylamide (HPAM) is the most extensively used synthetic and water-soluble polymer for EOR applications in the world and Colombia [ 3 ].
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High moisture food extrusion - USDA ARS

High moisture food extrusion - USDA ARS

versatility, high productivity, low cost, and energy efficiency (Harper, 1981). High quality products can be manufactured by extrusion. Well-known extrusion applude ready-to-eat breakfast cereals, baby foods, pet foods, and confectionery products. Almost all of these applications take place at low
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Polymers | Free Full-Text | Comparative Study of Green and ...

Polymers | Free Full-Text | Comparative Study of Green and ...

easing water viscosity for mobility control and (2) reducing residual oil saturation for better oiude: (1) annulleasing both vertical and areal sweep efficiency; (3) maintaining low cost in comparison to other techniques [6,7,8,9,10].
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Polymer flooding - ScienceDirect

Polymer flooding - ScienceDirect

Jan 01, 2022 · Polymer solutions of high viscosity is required, which leads to concentease in the viscosity of the solution, the injectivity is reduced. Polymers with high viscosity do not diffuse to low permeability areas. The optimized value of viscosity leads to a mobility ratio of less than 1.
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A comprehensive review of the chemical-based conformance ...

A comprehensive review of the chemical-based conformance ...

Apr 17, 2021 · The production of excess water during oil recovery creates not only a major technical problem but also an enviroeasing problem has forced oil companies to reconease in oil recovery and a decrease in water production. Many techniques have been applied over the years to reduce water cut, with …
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High-performance 3D printing of hydrogels by water ...

High-performance 3D printing of hydrogels by water ...

Apr 01, 2016 · Up to 3% (w/w) TPO oparticles can be dispersed in water at 25°C (100 times more than the water solubility of bulease in viscosity. Overall, the high water dispersiion coefficients at the UV range make the TPO oparticles excellent candidates for 3D printing in aqueous ...
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Low Flow,micro,mini flow meters for gas,liquid measurement

Low Flow,micro,mini flow meters for gas,liquid measurement

LC-M Series Micro oval Gear flow meter can detect ultra mini liquid flow as low as 0.5 ml/min (ml/min flow meter), but can still keep accuracy as high as 0.5%F.S, It is a kind of positive displacement flow meter for precise flow measurement of mini oude chemical, sealant, toluene, glue, detergents, grease, electrolyte, ethylene, additive, …
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O Ultrasound-assisted synthesis of polyacrylamide-grafted ...

O Ultrasound-assisted synthesis of polyacrylamide-grafted ...

well known that polyacrylamide homopolymer is used as an efficient adsorbent [2,7,11 ] or flocculant,18. However, the high cost in addition the presence of unreacted acrylamide, which is toxic and carcinogenic, limits its application in water …
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Industrial Process Filtration - Lenntech

Industrial Process Filtration - Lenntech

Industrial Process Filtration A guide to products and services Lenntech bv ZZZ OHQQWHFK FRP Tel. .09.00 Fax. .62.89
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Micromachines | Free Full-Text | Optimized 3D Bioprinting ...

Micromachines | Free Full-Text | Optimized 3D Bioprinting ...

Feb 25, 2022 · The need for organ transplants has risen, but the number of available organ donations for transplants has stagnated worldwide. Regenerative medicine has been developed to make natural organs or tissue-like structures with biocompatible materials and solve the donor shortage problem. Using biomaterials and embedded cells, a bioprinter enables the fabrication …
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Polymer Systems for Water Shutoff and Profile Modification ...

Polymer Systems for Water Shutoff and Profile Modification ...

Polymer gels are regarded as the most widely used chemical water conformance agents, especially for in-depth fluid diversion. Because of their low cost and ease of …
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Functional characterization on colloidal suspensions ...

Functional characterization on colloidal suspensions ...

Drilling fluids are employed in the operation of hydrocarbon exploitation. Two kinds of drilling fluids are commonly used: water based muds and oil ba…
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(PDF) Applications of Biopolymeric Gels in Agricultural ...

(PDF) Applications of Biopolymeric Gels in Agricultural ...

The synthesized gels were studied for release of f8 Applications of Biopolymeric Gels in Agricultural Sector 205 2,4-D (2,4-dichlorophenoxyacetic acid) herbicide. The release from the matrices was examined and estimated at 25 °C in water solution buffered at pH 4, 7, and 9 by UV–Vis spectrophotometer.
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Inexpensive Desalination Harnesses the Power of the Sun ...

Inexpensive Desalination Harnesses the Power of the Sun ...

Feb 15, 2022 · Based on their calculations, a system with just 1 square meter (about a square yard) of collecting area should be sufficient to provide a family’s daily needs for drinking water, they say. Zhang says they calculated that the necessary materials for a 1-square-meter device would cost only about $4.
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Towards printable water-in-polymer salt electrolytes for ...

Towards printable water-in-polymer salt electrolytes for ...

Only aqueous electrolytes provide high conductivities (10–100 mS/cm) due to the low dynamic viscosity, but they typically possess a low ESW (∼1.2 V) due to water electrolysis. The strategy of “water-in-salt electrolytes” (WISE) (i.e. highly concentrated electrolytes) has been proposed as a new approach to provide sufficient ionic ...
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Wastewater Basics 101. - EPA

Wastewater Basics 101. - EPA

• In high population densities – water is the best means to collect and ... Water is the Universal Solvent. Department of Biochemistry and Molecular Biophysics The University of Arizona . Water is Dense and has Viscosity • Water is heavy – provides for buoyancy ... • Passive – large footprint, low energy – Moving air over water ...
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Physicochemical, structural and functional properties of ...

Physicochemical, structural and functional properties of ...

Jan 01, 2019 · Type A is denser as compared to type B, thus binding less water. While type A and B are almost crystalline in structure, type C is a mixture of both crystalline and amorphous particles (Fig. 2) (Singh et al. 2007, 2008b; Chung and Liu 2009; Wu et al. 2002; Bao et al. 2005). Depending upon the nutritional characteristics, starch can be ...
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| SPE

| SPE

Field water rates were approaching the limit of the platform water handling capacity and threatened to curtail future development and/or require a multi-million dollar facility expansion. By utilizing chromium crosslinked polyacrylamide gel technology, the operator significantly reduced the water production.
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Processes | Free Full-Text | Evaluation of ... - MDPI

Processes | Free Full-Text | Evaluation of ... - MDPI

Mar 21, 2020 · In addition, this study shows that higher oil recoveries are obtained if the polymer injection is conducted earlier (i.e., at lower water cut production rates, where flood water is a relatively small fraction of the total volume produced) than if the polymer is injected later after waterflooding (i.e., at high water cut production rates); in ...
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Water Activity (aw) in Foods - FDA

Water Activity (aw) in Foods - FDA

The water activity level of 0.85 is used as a point of definition for determining whether a low-acid canned food or an acidified food is covered by the regulations. ... level can be as high as 0 ...
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Retention and Flow Characteristics of Polymer ... - OnePetro

Retention and Flow Characteristics of Polymer ... - OnePetro

Apr 01, 1977 · Abstract. Retention and flow characteristics of a solution containing Pusher 700, a high-molecular-weight, partially hydrolyzed polyacrylamide, were studied partially hydrolyzed polyacrylamide, were studied in an 86-md core made by compacting Teflon powder. The quantity, of polymer retained during linear displacement experiments ranged from 10 to 21 mu gm/gm …
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IOR 2021 - Earthdoc

IOR 2021 - Earthdoc

Produced water re-injection maintains pressure via water injection wells in reservoirs containing high viscosity oils (typically, ∼ 40 to 140cP). This unfavourable mobility ratio water over oil of 40 has resulted in early water breakthrough at the production wells, strong water coning and large volumes of bypassed oil.
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Electrospinning bioactive supramolecular polymers from water

Electrospinning bioactive supramolecular polymers from water

Electrospinning is a high-throughput, low-cost technique for manufacturing long fibers from solution. Conventionally, this technique is used with covalent polymers with large molecular weights. We report here the electrospinning of functional peptide-based supramolecular polymers from water at very low concentrations (<4 wt %).
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Fracturing method using a low-viscosity fluid with low ...

Fracturing method using a low-viscosity fluid with low ...

Aug 01, 2017 · This fluid has a low viscosity of 2-3 cP, which requires a high pump rate to transport proppant. Small proppant size like 40/70 is common with this fluid due to its low viscosity. Water frac is the least damaging to the proppant pack of the three frac fluid types and it is commonly used in gas wells.
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Fracturing Method Using Low-Viscosity Fluid with Low ...

Fracturing Method Using Low-Viscosity Fluid with Low ...

This fluid has a low viscosity of 2-3 cP, which requires a high pump rate to transport proppant. Small proppant size like 40/70 is common with this fluid due to its low viscosity. Water frac is the least damaging to the proppant pack of the three frac fluid types and it …
Get Price
Review on microbial enhanced oil recovery: Mechanisms ...

Review on microbial enhanced oil recovery: Mechanisms ...

Sep 01, 2020 · The main factors preventing the flow of residual oil to producing wells are the high viscosity of residual oil and the high interfacial tension (IFT) between oil and water, which result higher capillary forces that maintain the crude oil in the capillary pores in reservoir rock (Gudina et al., 2013; Nobakht et al., 2007). Therefore, effectively ...
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Stabilizing the Solid‐Electrolyte Interphase with ...

Stabilizing the Solid‐Electrolyte Interphase with ...

Aug 11, 2021 · ATR-FTIR absorbance spectra of a series of WiSE-P x electrolytes (x=0, 2.5, 5, 7.5) and PAM with wavenumber ranging from (a) 1400–1800 cm −1 and (b) 3000 to 3900 cm −1.c) LSV curves of WiSE and WiSE-P 5 based on stainless steel electrodes at a scanning rate of 0.2 mV s −1 from OCV to 0.5 V or 5.5 V (vs. Li|Li +).Inserts are the magnified view of the regions …
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Synergetic enhancement of room-temperature phosphorescence ...

Synergetic enhancement of room-temperature phosphorescence ...

Amorphous room-temperature phosphorescent (RTP) materials based on the copolymerization strategy have been widely recognized for their high efficiency, low cost and ease of preparation. However, the RTP efficiency of polyacrylamide copolymers is severely affected by water and oxygen. A further treatment is n
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Hydraulic Fracturing Stimulation in Unconventional ...

Hydraulic Fracturing Stimulation in Unconventional ...

Features of Produced Water Produced waters salinity range in the United States (Otton and Mercier, 2015). FW PW1 Specific Gravity 1.00 1.20 pH 8.07 4.83
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UCON™ Fluids and Lubricants Selection Guide

UCON™ Fluids and Lubricants Selection Guide

viscosity, pour point, cloud point, water or gas solubility, lubricating properties, oxidation stability, or a combination of these and other physical, chemical, or performance properties. The following are considerations when selecting UCON fluids or lubricants. Viscosity – Viscosity is often the key property in the selection of any lubricant.
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Hybrid suspension of polymer and oparticles for ...

Hybrid suspension of polymer and oparticles for ...

Feb 15, 2019 · Hydrolysed polyacrylamide (HPAM) is the most widely used polymer for EOR. HPAM is preferred in EOR field applications because it can tolerate the high mechanical forces present during flooding of a reservoir. Moreover, HPAM is resistant to bacteria attack, it has good water solubility, mobility control and it is a low-cost polymer [25, 33].
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