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1989-1-1 · This chapter discusses polyacrylamides (PAM). Among the various polymers that have been studied for chemical enhanced oil recovery, PAM is most important. PAM is used frequently for mobility control as well as permeability control. PAM (and its modified forms) is the principal polymer used in significant amounts on a commercial basis.
Get Price2021-7-4 · This paper presents a strategic review on the current status of oil production and future prospect of implementation of EOR methods in depleted oil reservoirs in India. Specifically, this paper emphasizes on the enhanced oil and gas recovery (EOGR) policy approved by the Government of India on October 2018 and its implementation in coming 10 years.
Get PriceThe composition comprises an aqueous solution of an anionic acrylamide copolymer of high molecular weight, comprising about 5 to 95 weight percent of 2-acrylamido-2-methylpropanesulfonic acid, about 2 to 95 weight percent of N-vinyl-N-methyl acetamide and about 5 to 93 weight percent of acrylamide, and a crosslinking agent selected from the group consisting of transition metal ions, phenolic resins and …
Get PriceIncremental oil recovery is on the order of 12% original oil in place (OOIP) when polymer solution is injected for about one pore volume and values as high as 30% OOIP have been reported for some field projects. We have also learned that under some circumstances, HPAM polymer can reduce the so-called irreducible oil
Get PriceRegardless of the particular surfactant system used, the ratio of co-surfactant to anionic surfactant polymer complex must be adjusted or balanced to accomodate the desired salinity and temperature ranges and achieve high oil uptake in the microemulsion and low interfacial tensions vs. oil. Anionic surfactants and co-surfactants include sulfonates, sulfates, carboxylates, and phosphates which may …
Get PriceA process for the enhanced recovery of oil from a subterranean formation using a polymer-microemulsion complex is disclosed. The polymer is polyethylene oxide or polyvinyl pyrrolidone and interacts with the surfactant of the microemulsion to form a physical association. The resulting complex is characterized by a complexation energy of at least 2 Kcal/mole.
Get Price2021-7-9 · In oil extraction, our products increase the amount of oil recovered from existing reservoirs and significantly decrease water consumption and carbon emissions per barrel produced. SNF has the advantage and privilege of being positioned in markets that are at the heart of sustainable development issues and the forefront in combatting climate change.
Get Price2016-8-1 · For more convenient understanding of nanoparticles flow through porous media and their efficiencies in oil recovery Van Bramer (2014) used both polydimethylsiloxane (PDMS) and glass microfluidic devices to test the enhanced oil recovery potential of different types of nanoparticles and their flow mechanisms through porous media. He concluded that surface materials of the micromodel …
Get PriceThe present disclosure relates to the use of a multicarboxylate, such as an alkyl alkoxy dicarboxylate, in enhanced oil recovery processes. A specific embodiment relates to the use of an aqueous stream including a compound having the chemical formula: R 1 —R 2 —R 3, wherein R 1 comprises a branched or unbranched, saturated or unsaturated, cyclic or non-cyclic, hydrophobic carbon chain ...
Get Price2021-7-4 · Impact of newly implemented enhanced oil and gas recovery screening policy on current oil production and future energy supply in India. ... Water soluble polymer is used for polymer flooding to recover additional oil. ... commercial polymer such as partially hydrolysed polyacrylamide and xanthan gum are most frequently used for this purpose.
Get Priceused to recover oils with a viscosity up to at least 200 cp. If the surfactants are added to hot water, then the oil viscos-ity range can probably be extended to 10,000 cp or higher. Remarkably, the same high-performance anionic sur-factants, such as alkyl ether sulfates developed for sandstone reservoirs, are also good choices for carbonate reser-
Get Price2021-7-9 · SNF is a significant player in the water treatment market and all related applications. Numerous actions carried out over the last several years in the field of Sustainable Development, particularly regarding environmental, social, and economic issues (i.e., energy balance, carbon footprint, sustainable development, social balance) reflect who we are as a company and are evident in our …
Get PriceThe oil may be any refined or crude oil, e.g., a sweet or sour crude, synthetic crude, refined fraction such as kerosene, diesel oil, lube oil, aromatic naphtha or white oil boiling at from 80° to 345° C., C 6 to C 22 aliphatic hydrocarbon aromatic hydrocarbon boiling at from 80° to 300° C. or mixtures thereof. The amount of oil employed ...
Get Price2016-8-1 · It is very well accepted path to apply nanotechnology in oil industry to recover more oil but again it is questionable about the effectiveness of this technology. Application of nanotechnology has got successes in some cases like reservoir characterization, drilling and completion jobs ( Rahmani et al., 2015 , Turkenburg et al., 2012 ...
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Get Price2021-6-30 · Surfactant Polymer flooding is an improved oil recovery that can mobilise more oil to the surface from an oil reservoir. In this paper, we investigated the potential application of SP flooding in a shallow oil reservoir X, located in the Central-Onshore of the Niger Delta. Four different rocks were used namely; ROBU synthetic cores (2 different ...
Get PriceThe present disclosure relates to the use of a multicarboxylate, such as an alkyl alkoxy dicarboxylate, in enhanced oil recovery processes. A specific embodiment relates to the use of an aqueous stream including a compound having the chemical formula: R 1 —R 2 —R 3, wherein R 1 comprises a branched or unbranched, saturated or unsaturated, cyclic or non-cyclic, hydrophobic carbon chain ...
Get PriceThe crux of this invention is the discovery that single-phase microemulsions for enhanced oil recovery operations can be formulated which compatibly incorporate at or near optimal salinity: (1) sufficient quantities of surfactant to give good reduction in oil-microemulsion and water-microemulsion interfacial tensions; (2) sufficient quantities ...
Get Price2013-3-15 · The adsorption and action of four starch polymers in talc flocculation has been studied. The polymers include: two chemically modified starch polymers (carboxymethyl (CM) and phenyl succinate (PS) starch), with similar molecular weight but variation in terms of added aromatic functionality; and two unmodified starch polymers, Gelose 80 and Gelose 50, which vary in their amylose:amylopectin ratio.
Get PriceA process for the enhanced recovery of oil from a subterranean formation using a polymer-microemulsion complex is disclosed. The polymer is polyethylene oxide or polyvinyl pyrrolidone and interacts with the surfactant of the microemulsion to form a physical association. The resulting complex is characterized by a complexation energy of at least 2 Kcal/mole.
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Get PriceThe present disclosure relates to the use of a multicarboxylate, such as an alkyl alkoxy dicarboxylate, in enhanced oil recovery processes. A specific embodiment relates to the use of an aqueous stream including a compound having the chemical formula: R 1 —R 2 —R 3, wherein R 1 comprises a branched or unbranched, saturated or unsaturated, cyclic or non-cyclic, hydrophobic carbon chain ...
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Get Price2017-2-7 · The optimized results, of adding, 1.2 g of lime and 10 mg of polyacrylamide (anionic polymer) per liter of TS, would cost about 53,000 per million gallon of ethanol produced when their study was done (Alkan-Ozkaynak et al. 2010). Alkan-Ozkaynak and Karthikeyan further evaluated the performance of anaerobic digestion on lime-treated TS. They ...
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Get Price1997-9-10 · A method is disclosed for controlling anionic trash and pitch deposition and treating coated broke which comprises the step of adding a polyammonium quaternary to a pulp and papermaking system. The polyammonium quaternary, which may be either branched or crosslinked, comprises at least one cationic monomer, preferably diallyldimethylammonium chloride, and at least one branching or …
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Get Price136 (A),(B) to a process for oil recovery, which removes oil from the fractionated stillage 132 to recover oil. As a result, the process 100 produces a product of back-end oil and solids. The process 100 may send solids, water, and the like from the oil recovery back to …
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Get Price2010-10-20 · In embodiments, anionic polymers can be used, including, for example, olefinic polymers, such as polymers made from polyacrylate, polymethacrylate, partially hydrolyzed polyacrylamide, and salts, esters and copolymers thereof, (such as sodium acrylate/acrylamide copolymers), sulfonated polymers, such as sulfonated polystyrene, and salts, esters ...
Get Price2003-4-28 · CHAPTER 5 A Step-Wise Approach to Implementation of Surfactant/Cosolvent Flushing Introduction. As described in Chapter 2, surfactant/cosolvent flushing is an emerging technology, which at present, is generally in the technology development and demonstration phase.
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Get Price2012-3-12 · Anionic - negatively-charged (carboxylates, sulfates or sulfonates in alkali metal form). ... Used to recover the aqueous phase overlaid with mineral oil in PCR procedures. 67-66-3 Amber Glass Bottle, Teflon Phenolic Cap 0757-950ML Amber Glass Bottle A 1:1 ...
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Get Price2012-3-12 · Anionic - negatively-charged (carboxylates, sulfates or sulfonates in alkali metal form). ... Used to recover the aqueous phase overlaid with mineral oil in PCR procedures. 67-66-3 Amber Glass Bottle, Teflon Phenolic Cap 0757-950ML Amber Glass Bottle A 1:1 ...
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Get PriceHeavy and extra heavy crude oils are highly viscous with a density close to or even exceeding water. Heavy oils are crudes that have API gravity less than 20° or viscosity higher than 200 cp. Extra heavy oil refers to petroleum with API gravity less than 12° and viscosity higher than 10,000 cp (“Heavy Oil” 2016).
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