China Water-In-Oil Type Temperature-Resistant Salt-Resistant Polyacrylamide for Oilfield Wastewater Treatment

2 days ago · For a fast gelation, the pH of 5.0–9.0 is desirable to form a stable and high-strength gel to plug the pressure from downhole for a long time. Since the acidic environment is detrimental due to the corrosion to the internal wall of the wellbore, the pH of 8.0–9.0 is desirable for field application. 3.4.

Request PDF | Biological treatment of high salinity and low pH produced water in oilfield with immobilized cells of P. aeruginosa NY3 in a pilot-scale | Produced water (PW) in oilfield, as the ...

1. Oil field profile controlling and water- plugging agent, matched with CMC and a certain amount of chemical adhesive added. It can be used as oil field profile controlling and water-plugging agent. 2. Can also be used mud additive for EOR (Enhanced Oil Recovery) process to improve production of oil gas drilling chemical 3. In oil field, as a ...

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Performance Evaluation of STARPAM Polymer and Application in. Based on the properties of high temperature and salinity reservoir, the water-soluble polymer with good heat resistance and salt tolerance can be obtained through copolymerization between 2-acrylamide-2-methyl sulfonate monomer (AMPSN) and acrylamide monomer (AM) in water.

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Jan 07, 2022 · The sludge was obtained from a wastewater treatment plant in China and exhibited initial moisture content and TOC of 84.7% and 30,485 mg L −1 respectively. The experiment performed in the absence of alcohol achieved a TOC reduction of 70.5% at a temperature of 500 °C and pressure of 25 MPa.

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Adopting polymer in tertiary oil recovery is one of the main measures to decrease oilfield water content and continuously increase crude oil recovery rate. The polymer polyacrylamide, due to its properties as of poor salt resistance, instability and environmental pollution, has become the important technical barrier yet to resolve. Therefore, R ...

Polyacrylamide Polyacrylamide Lvyuan Water Treatment Chemical Flocculant Nonionic Cationic Anionic ... Best Price White Powder High Temperature Resistance China Water Treatment Chemicals Anionic Polyacrylamide MSDS. $1.00-$4.00 ... Polyamine , for drinking and wastewater treatment, sludge dewatering, paper making and oilfield. 1/3. Triallyl ...

High quality Oil Drilling Chemicals Anionic Polyacrylamide Temperature Resistance And Salt Tolerance from China, China's leading cationic polyelectrolyte flocculants product, with strict quality control anionic pam factories, producing high quality anionic pam products. . Oil Drilling Chemicals Anionic Polyacrylamide Powder .

Furthermore, under all conditions, the type of emulsion was an oil-in-water emulsion, which was more suitable for enhanced oil recovery. However, water-in-oil emulsions were observed when the asphalt concentration was higher than 1.5 wt %. In order to control this phenomenon, the oil/water ratio should be increased .

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Water treatment flocculant: water with complex water quality or constantly changing nature, The performance of using temperature resistant and salt resistant polyacrylamide as water treatment flocculant to reduce surface tension is far greater than that of other products under the same conditions.

Dec 19, 2019 · Testing conditions were chosen for temperature (25–100 °C), pH (6.5–12) and salinity (0–85,000 ppm) based on typical operating conditions experienced within refinery separation operations and sandstone reservoirs. The pH …

At present, China's oilfield exploitation has entered the middle and late stage. In order to improve oil recovery, polymer flooding and asp flooding technology are mainly promoted at present. By injecting polyacrylamide aqueous solution, the oil-water velocity ratio was improved, and the crude oil content in the produced product was increased.

Oily wastewater is a potential resource for recycled crude oil; however, the formation of oil sludge during water disposal makes the oil unrecyclable. In this study, a hydrogel coalescer was prepared by polymerization grafting of acrylamide on a metal tube filter, which separated the emulsion into layers of water and oil when the oily water ...

2. Mechanism of oil sludge profile control in heavy oil The sludge profile control technology is a technology that utilizes the sludge produced in the oilfield sewage system. Oil sludge, originated from the reservoir, is resistant to temperature shear and high compatible to the stratum.

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...Corp., is a provider of leading technology in polyacrylamide ("PAM") products and related services for the fast growing enhanced oil recovery and wastewater treatment industries. Established in 1998 and located in...

Aug 13, 2020 · Oilfield chemicals are indispensable chemical materials in oilfield development and production, which are widely used in oil exploration, drilling, gathering and transportation, water injection and other processes. It mainly includes mineral products, general chemicals, polyacrylamide copolymer. natural products, inorganic products and special ...

Due to its high compatibility, high temperature resistance, and high salt tolerance, oil sludge is also used in the production of asphalt concrete (Qinga et …

Mar 01, 2019 · SP flooding has been implemented successively in oil blocks, where the reservoir conditions are better and it is suitable for chemical flooding, but for most of reservoirs abroad, marine carbonates reservoirs with high temperature and high salt content, improving temperature-resistance and salt-tolerance properties of surfactants and polymers ...

Dec 07, 2021 · Water serves as an indispensable part of human life and production. On account of the overexploitation of traditional water sources, the demand for wastewater recycling is expanding rapidly. As a promising water treatment process, membrane distillation (MD) has been utilized in various wastewater treatments, such as desalination brine, textile wastewater, …

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