Relevant bibliographies by topics / Chemical flooding

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Chemical flooding'

Author: Grafiati
Published: 4 June 2021
Last updated: 17 June 2025

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Journal articles on the topic "Chemical flooding"

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Müller, E. Matthias, Armin de Meijere, and Helmut Grubmüller. "Predicting unimolecular chemical reactions: Chemical flooding." Journal of Chemical Physics 116, no. 3 (2002): 897–905. http://dx.doi.org/10.1063/1.1427722.

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Li, Xianjie, Jian Zhang, Yaqian Zhang, et al. "Experimental Study on the Application of Polymer Agents in Offshore Oil Fields: Optimization Design for Enhanced Oil Recovery." Polymers 17, no. 2 (2025): 244. https://doi.org/10.3390/polym17020244.

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The Bohai oilfield is characterized by severe heterogeneity and high average permeability, leading to a low water flooding recovery efficiency. Polymer flooding only works for a certain heterogeneous reservoir. Therefore, supplementary technologies for further enlarging the swept volume are still necessary. Based on the concept of discontinuous chemical flooding with multi slugs, three chemical systems, which were polymer gel (PG), hydrophobically associating polymer (polymer A), and conventional polymer (polymer B), were selected as the profile control and displacing agents. The optimization design of the discontinuous chemical flooding was investigated by core flooding experiments and displacement equilibrium degree calculation. The gel, polymer A, and polymer B were classified into three levels based on their profile control performance. The degree of displacement equilibrium was defined by considering the sweep conditions and oil displacement efficiency of each layer. The effectiveness of displacement equilibrium degree was validated through a three-core parallel displacement experiment. Additionally, the parallel core displacement experiment optimized the slug size, combination method, and shift timing of chemicals. Finally, a five-core parallel displacement experiment verified the enhanced oil recovery (EOR) performance of discontinuous chemical flooding. The results show that the displacement equilibrium curve exhibited a stepwise change. The efficiency of discontinuous chemical flooding became more significant with the number of layers increasing and heterogeneity intensifying. Under the combination of permeability of 5000/2000/500 mD, the optimal chemical dosage for the chemical discontinuous flooding was a 0.7 pore volume (PV). The optimal combination pattern was the alternation injection in the form of “medium-strong-weak-strong-weak”, achieving a displacement equilibrium degree of 82.3%. The optimal shift timing of chemicals occurred at a water cut of 70%, yielding a displacement equilibrium degree of 87.7%. The five-core parallel displacement experiment demonstrated that discontinuous chemical flooding could get a higher incremental oil recovery of 24.5% compared to continuous chemical flooding, which presented a significantly enhanced oil recovery potential.
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Kessel, D. G. "Chemical flooding — status report." Journal of Petroleum Science and Engineering 2, no. 2-3 (1989): 81–101. http://dx.doi.org/10.1016/0920-4105(89)90056-9.

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Zhaoxia, LIU, WANG Qiang, MA Desheng, Gaoming, and LIU Wanlu. "Weight Analysis of Influence Factors and Potential Evaluation Method for Chemical Combination Flooding." E3S Web of Conferences 53 (2018): 01022. http://dx.doi.org/10.1051/e3sconf/20185301022.

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In this paper, the weight coefficient of influencing factors for chemical combination flooding is determined by using grey correlation theory. A calculation method for comprehensive evaluation score of chemical combination flooding is established. The influence factor grading and weight grading are combined in this method. By collecting and analysing chemical combination flooding field tests, a prediction method for chemical combination flooding is established by the exponential regression. It reflects the relationship between EOR of the chemical combination flooding and the comprehensive evaluation score. The new method is applied in 6 different reservoirs to evaluate the effect of chemical flooding. The new method determines the weight coefficient of influence factors for chemical combination flooding. It can quickly predict EOR factor of chemical flooding to provide a basis for chemical flooding planning in the field.
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Gustianthy, Agnesya Putri, Yuni Krisyuningsih Krisnandi, and Usman Usman. "Application of Non Ionic Surfactant – Alkylpolyglucoside as Chemical Flooding." International Journal of Chemical Engineering and Applications 10, no. 4 (2019): 121–25. http://dx.doi.org/10.18178/ijcea.2019.10.4.753.

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Yu, Q., H. Jiang, Y. Song, Z. Yi, and C. Zhang. "Chemical Flooding for Enhanced Recovery." Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 34, no. 5 (2012): 478–83. http://dx.doi.org/10.1080/15567036.2011.592917.

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Porcelli, P. C., and M. S. Bidner. "Transport Phenomena in Chemical Flooding." SPE Advanced Technology Series 4, no. 01 (1996): 137–43. http://dx.doi.org/10.2118/27030-pa.

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Yuan, Fu Qing, and Zhen Quan Li. "An Easy Calculation Method on Sweep Efficiency of Chemical Flooding." Applied Mechanics and Materials 275-277 (January 2013): 496–501. http://dx.doi.org/10.4028/www.scientific.net/amm.275-277.496.

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According to the geological parameters of Shengli Oilfield, sweep efficiency of chemical flooding was analyzed according to injection volume, injection-production parameters of polymer flooding or surfactant-polymer compound flooding. The orthogonal design method was employed to select the important factors influencing on expanding sweep efficiency by chemical flooding. Numerical simulation method was utilized to analyze oil recovery and sweep efficiency of different flooding methods, such as water flooding, polymer flooding and surfactant-polymer compound flooding. Finally, two easy calculation models were established to calculate the expanding degree of sweep efficiency by polymer flooding or SP compound flooding than water flooding. The models were presented as the relationships between geological parameters, such as effective thickness, oil viscosity, porosity and permeability, and fluid parameters, such as polymer-solution viscosity and oil-water interfacial tension. The precision of the two models was high enough to predict sweep efficiency of polymer flooding or SP compound flooding.
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Zhu, You Yi, Guo Qing Jian, Zhe Wang, Ming Lei, and Qing Feng Hou. "Development Progress of Surfactants for Chemical Combination Flooding." Advanced Materials Research 524-527 (May 2012): 1673–80. http://dx.doi.org/10.4028/www.scientific.net/amr.524-527.1673.

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Chemical combination flooding is one of the main enhanced oil recovery (EOR) techniques in China. The key factor of a successful chemical combination flooding application is the development of oil displacement surfactants with good performance. In this paper, the basic requirements of surfactant for chemical combination flooding were introduced, and the development progress of surfactants for chemical combination flooding was reviewed and their application results were shown. With the expanding application of chemical combination flooding in different types of reservoir, the challenge and development direction of oil displacement surfactants were indicated.
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Zhang, Zenghua, Yi Jin, Jian Zhang, et al. "Adaptability Study of Hot Water Chemical Flooding in Offshore Heavy Oilfields." Geofluids 2022 (November 17, 2022): 1–11. http://dx.doi.org/10.1155/2022/2224321.

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As a new heavy oil development technology, hot water chemistry flooding has great potential in offshore heavy oil fields development. In this paper, the adaptability of hot water chemical flooding was studied based on the typical model of offshore heavy oil fields. The main controlling factors affecting the hot water chemical flooding were analyzed and evaluated by single factor analysis. The technical boundary was established for offshore heavy oil fields. In addition, the hot water chemical flooding scheme was designed by a case study of a well group oilfield D. The results indicate that crude oil viscosity and well spacing have great influences on hot water chemical flooding performance. Hot water chemical flooding is favorable when the crude oil viscosity is between 300 and 1000 mPa·s and well spacing is around 200~400 m. The hot water chemical flooding scheme of the target well group results in 40.2 × 10 4 tons of incremental oil, and 6.3% of recovery factor being enhanced, which shows strong evidence that hot water chemical flooding enables great oilfield development performance.
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Dissertations / Theses on the topic "Chemical flooding"

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Atthawutthisin, Natthaporn. "Numerical Simulation of Low Salinity Water Flooding Assisted with Chemical Flooding for Enhanced Oil Recovery." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for petroleumsteknologi og anvendt geofysikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19113.

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World proved oil reserve gradually decreases due to the increase production but decrease new field discovery. The focus on enhance oil recovery from the existing fields has become more interesting in the recent years. Since waterflooding has been used in practices in secondary recovery phase for long time ago, the low salinity waterflooding is possible to apply as tertiary recovery phase. Another effective enhance oil recovery method is chemical flooding especially, nowadays, when the price of chemical is not a big issue compared to oil price. Both low salinity and chemical flooding method have been trialed and success in laboratory studies and some field tests. Moreover the salinity sensitivity on chemical flooding has been studied and both positive and negative results were proposed. Because new technology has been developing day by day in order to get higher oil recovery, the new technology as the combination of low salinity waterflooding and chemical flooding has been studied in this report. In this thesis, the literature of low salinity water flooding, alkaline flooding, surfactant flooding, polymer flooding and alkaline-surfactant-polymer flooding (ASP) have been reviewed. The mechanisms of each method that affect to oil recovery and salinity sensitivity on each chemical flooding method have been summarized. All of those studies showed the benefit of chemical to the low salinity water flooding. the result of literature reviews has turned to the numerical simulation part.The simulation has been carried out on a 3 dimensional synthetic model by using Eclipse 100 as the simulator. The model is heterogeneous with patterns variation in permeability and porosity. The effect of low salinity in water flooding, alkaline flooding, surfactant flooding, polymer flooding and ASP flooding have been observed in many aspects.The main role of low salinity effect in water flooding is wettability changing from oil-wet to water-wet. The low salinity water in the first water flooding phase give the positive effect but not much different compared to overall recovery. The low salinity in chemical solution influences an additional oil recovery in all combinations. Mainly, low salinity increases polymer solution viscosity that can improve sweep efficiency of polymer flooding. In alkaline flooding and surfactant flooding, the salinity is need to be optimized to optimum salinity condition corresponding to optimum alkaline concentration and surfactant concentration, where creates the lowest IFT. The range of secondary flooding for alkaline and surfactant flooding is when they reach the optimum concentration. In case of polymer, the viscous polymer solution can impact longer as the polymer injection range. In term of low salinity in tertiary water flooding, it influences better oil recovery than high salinity water flooding. Therefore, it can be concluded that low salinity water flooding gives a positive effect to overall result when combined with chemical flooding. The recommendations are also available for further study.
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Aldejain, Abdulaziz A. "Implementation of a dual porosity model in a chemical flooding simulator /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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Bakhsh, S. "A model study of clay mobilisation and permeability reduction during oil reservoir flooding." Thesis, Loughborough University, 1991. https://dspace.lboro.ac.uk/2134/7119.

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Formation damage effects have been reported in a number of oil reservoirs in secondary and enhanced recovery stages of production. The loss in permeability has been widely attributed to the swelling or pore-plugging action of colloidal clay minerals which are present in varying quantities in the pore spaces of reservoir rocks. This research has been aimed at predicting the action of non-swelling clay particles such as those commonly found in North Sea reservoir sandstones. The literature from the areas of formation damage, colloidal suspensions, and deep bed filtration has been examined with particular attention being given to the subject of clay mineralogy. An experimental test rig was designed, comprising a cylindrical packed sand bed used as a model reservoir to study the permeability changes associated with the action of clay fines under various flooding regimes. The pH, salinity and valency of ionic species present in the flooding fluids were found to be the controlling factors for clay mobilisation. Fines dispersal coincided with spontaneous decrease. in permeability when sandpacks treated with monovalent brine were subjected to fresh water flow. Analysis showed that'the fines released from the bed were primarily kaolinite in the size range 1-5 micron. A minimum critical+ salinity of flooding water was shown to exist, above which particle dispersal is prevented. Further, experimental work provided a measure of the ion exchange capacity of the clay fines in the sandpack as well as of pure clay materials. The close-range interaction of kaolinite particles with silica surfaces was measured in a continuous flow glass apparatus which allowed in-situ observation and measurement by optical microscopy. Particle deposition in this system was found to be very sensitive to the method of cleaning of the silica surface. Deposition was also a function of the suspension flowrate. Clay mobilisation behaviour, as observed in the sandpack experiments, was confirmed with suspension pH, salinity and flowrate to a lesser extent, governing the particle release process. The research has identified the conditions under which clay mobilisation is initiated. It is proposed that any model of permeability reduction should be adapted to include the effects of specific ion-exchange processes between clays and flooding liquids.
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Unger, Irene M. "A multi-dimensional investigation into the effects of flooding on the physical, chemical and biotic properties of riparian soils." Diss., Columbia, Mo. : University of Missouri-Columbia, 2008. http://hdl.handle.net/10355/5582.

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Thesis (Ph. D.)--University of Missouri-Columbia, 2008.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed June 17, 2009). Vita. Includes bibliographical references.
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Födisch, Hendrik [Verfasser], and L. [Akademischer Betreuer] Ganzer. "Investigation of chemical enhanced oil recovery core flooding processes with special focus on rock-fluid interactions / Hendrik Födisch ; Betreuer: L. Ganzer." Clausthal-Zellerfeld : Technische Universität Clausthal, 2019. http://d-nb.info/1231363118/34.

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Dieterichs, Christin. "Laboratory Investigations on the Applicability of Triphenoxymethanes as a New Class of Viscoelastic Solutions in Chemical Enhanced Oil Recovery." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2018. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-234749.

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Even in times of renewable energy revolution fossil fuels will play a major role in energy supply, transportation, and chemical industry. Therefore, increasing demand for crude oil will still have to be met in the next decades by developing new oil re-serves. To cope with this challenge, companies and researchers are constantly seeking for new methods to increase the recovery factor of oil fields. For that reason, many enhanced oil recovery (EOR) methods have been developed and applied in the field. EOR methods alter the physico-chemical conditions inside the reservoir. One possibility to achieve this is to inject an aqueous solution containing special chemicals into the oil-bearing zone. Polymers, for example, increase the viscosity of the injected water and hence improve the displacement of the oil to the production well. The injection of surfactant solutions results in reduced capillary forces, which retain the oil in the pores of the reservoir. Some surfactants form viscoelastic solutions under certain conditions. The possibil-ity to apply those solutions for enhanced oil recovery has been investigated by some authors in the last years in low salinity brines. Reservoir brines, however, often contain high salt concentrations, which have detrimental effects on the properties of many chemical solutions applied for EOR operations. The Triphenoxymethane derivatives, which were the subject of study in this thesis, form viscoelastic solutions even in highly saline brines. The aim of this thesis was to investigate the efficiency and the mode-of-action of this new class of chemical EOR molecules with respect to oil mobilization in porous media.
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Pieck, Carlos Ariel. "Development of tools for the implementation of an industrial-scale supercritical fractionation process." Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM4317/document.

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Le fractionnement supercritique est un procédé prometteur avec un potentiel d’application encore peu exploité à grande échelle. Les travaux expérimentaux et la discussion théorique qui font l’objet de cette thèse ont pour objectif d’apporter des outils fiables permettant d’effectuer la mise en œuvre d’un procédé de fractionnement supercritique à l’échelle industrielle, en abordant le changement d’échelle et la modélisation du procédé. La première partie du travail porte sur le fractionnement de mélanges éthanol-eau en utilisant du dioxyde de carbone supercritique à 333 K et 10 MPa, sur des unités de fractionnement à échelle du laboratoire, pilote et industrielle, avec des diamètres de colonne respectivement de 19, 58 et 126 mm. Les compositions des produits obtenues, ainsi que les prédictions d’un modèle d’étages d’équilibres, montrent une bonne concordance. Le phénomène d’engorgement est discuté suite à son observation. Une corrélation permettant d’estimer la capacité d’engorgement d’une colonne garnie à contre-courant sous pression est proposée, après avoir exprimé l’ensemble des données répertoriées dans la littérature sous forme adimensionnelle. Les possibles sources de déviations observées sont également discutées afin de proposer des perspectives à ce travail. Enfin, le traitement de mélanges complexes est abordé par la mise en œuvre et la modélisation du fractionnement supercritique d’éthyl esters issus d’huiles de poisson, sous des conditions de 14.5 MPa et 333 K, en variant le rapport solvant sur charge entre 21,8 et 143. Un modèle simplifié est développé afin de représenter l’influence du taux d’extraction sur la composition de l’extrait et du raffinat<br>Supercritical fractionation is a promising process with a great potential but with little current large-scale applications. The experimental work and theoretical discussion in this dissertation aim providing tools for the implementation of an industrial-scale supercritical fractionation process by covering aspects such as scale-up and process modeling. In order to do so, three principal axes are discussed. Firstly, the fractionation of ethanol-water mixtures by supercritical carbon dioxide at 333 K and 10 MPa was studied using fractionation units at laboratory, pilot and industrial scale with column diameters of 19, 58 and 126 mm, respectively. The extract and raffinate compositions obtained show good agreement between different scales and with the predictions of an equilibrium-stage model. The flooding phenomenon is also discussed after being detected under certain conditions. A correlation to estimate the flooding capacity of a countercurrent column at high pressure conditions is proposed following a dimensionless representation of the available experimental results presented in the literature. The possible sources for deviations found are also discussed in order to propose future works. Then, the treatment of complex mixtures is tackled by modeling and supercritical fractionation of fatty acid ethyl esters derived from fish oil under 14.5 MPa and 333 K, varying the solvent-to-feed ratio between 21.8 and 143. A simplified model derived from the group method is developed to represent the influence of the extract yield on the composition of the extract and raffinate
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Costa, Michelle Nazare Xavier da. "Desempenho de duas gramíneas forrageiras tropicais tolerantes ao estresse hídrico por alagamento em dois solos glei húmicos." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/11/11139/tde-24082004-144438/.

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A falta de informações relacionadas às respostas das plantas ao alagamento tem sido alvo de inúmeras pesquisas no mundo todo. Essas informações tornam-se mais escassas quando relacionadas à gramíneas forrageiras de áreas inundáveis. A maioria dessas espécies pertence a ecossistemas de pastagens nativas de áreas inundáveis, os quais podem ter papel importante no desenvolvimento da pecuária brasileira, devido ao potencial de produção de forragem para alimentação de rebanhos. Diante do exposto, os objetivos do trabalho foram avaliar o desempenho da Brachiaria mutica (Forsk) Stapf e Echinochloa polystachya (H.B.K) Hitch.] tolerantes ao excesso hídrico por alagamento, cultivadas em dois Plintossolos (glei húmicos), submetidos a duas condições de umidade: alagamento e capacidade de campo, por meio de fotossíntese, condutância estomática, atividade da álcool desidrogenase, produção de matéria seca da parte aérea e raiz, composição química e qualidade das forragens, além de verificar alterações nas características físico-químicas dos solos sob excesso hídrico que pudessem influenciar no desempenho das espécies. O experimento foi conduzido em casa de vegetação do departamento de Ciências Biológicas/ESALQ/USP, em Piracicaba – SP. Os tratamentos foram a combinação entre capins x condições de umidade x tipos de solo em um delineamento experimental de parcelas subdivididas com arranjo fatorial 2 x 2 nas subparcelas e como repetições, quatro blocos casualizados. Consideraram-se como parcelas, condições de umidade (alagamento e capacidade de campo), e subparcelas interações entre dois capins e dois solos, totalizando 32 unidades experimentais.Foram realizados três cortes no durante o experimento, sendo apenas dois considerados para cômputo dos resultados. Os resultados obtidos demonstraram que as gramíneas forrageiras respondem diferentemente em função do alagamento e dos tipos de solos em relação as variáveis estudadas, onde a E. polystachya apresenta melhor capacidade de adaptação em relação a B. mutica. A fotossíntese líquida e a condutância estomática dos capins B. mutica e E. polystachya não foram afetadas sob alagamento, essa resposta foi atribuída à ativação dos mecanismos de adaptações morfológicos, metabólicos e anatômicos das espécies, como a formação de raízes adventícias, o aumento na produção de matéria seca de hastes e raiz. Contudo, apesar da adaptação dos capins ao ambiente anóxico verificou-se reduções na área foliar, nas produções de matéria seca de lâmina foliar e total, relação folha:haste, no número de perfilhos, causando desequilíbrio na alocação da biomassa entre parte aérea e o sistema radicular. Os capins apresentaram alterações na composição química com o alagamento, reduzindo teores dos nutrientes para ambas as espécies, com exceção do fósforo e ferro sem, no entanto comprometer o estado nutricional das espécies. A composição químico-bromatológica também foi afetada pelo alagamento e tipo de solo gerando aumentos nos teores de fibra e redução nas concentrações de lignina. As mudanças ocorridas nas características morfofisiológicas, na produção, composição nutricional e bromatológica nas gramíneas forrageiras estão associadas às alterações nas propriedades físico-química dos solos causadas pelo déficit de oxigênio, transformando os solos em um ambiente reduzido.<br>The lack of information related on responses of plants to flooding has been the motivation of many research woks throughout the world. This information, become even scarcer when related to tropical forage tropical grasses of areas to flooding.The majority of those grasses characteristic of those areas, which could play an important role in the development of the livestock industry in Brazil, due to their potential of forage production. The objectives of this study were to evaluate the acting of the Brachiaria mutica (Forsk) Stapf and Echinochloa polystachya (H.B.K) Hitch.] the flooding tolerance, cultivated in two Plintossolos (gley), by subjecting the plants to two humidity conditions: flooding and field capacity and measuring photosynthesis, stomatal conductance, activity of the alcohol dehidrogenase activity, shoot and root dry matter productions, chemical composition and quality. Also it, was studying the influence of changes in the physiochemical characteristics of the soils under flood on the behavior of these species. The experiment was carried out in a greenhouse of the Biology Science department at USP-ESALQ in Piracicaba - SP. The treatments were the combination among grasses; humidity conditions and soil types in a split plot design with a factorial arrangement of 2 x 2 and as repetitions four randomized blocks. The plot was considered as the humidity conditions (flooding and field capacity), and the split plot were the interactions between the two grasses and the two soil types, totaling 32 experimental units. Three harvests were made during the experiment, though, only the two were considered. Net photosynthesis and stomatal conductance were not affected by flooding, which was attributed to the activation of the morphologic, metabolic and anatomical mechanisms of adaptations of these species. Adventitious roots formation, dry matter production of stems and roots were stimulated by flooding, however, leaf area, leaf and total dry mass productions, leaf:stem ratio and the number of tillers were reduced by flooding, causing detrimental effects in the biomass allocation between shoot and root. Flooding caused significant changes in the mineral composition reducing nutrients contents, except for phosphorus and iron, however, without compromising nutritional status of both species. The chemical composition of the species was also affected by flooding which caused an increase in the fiber contents and a reduction in lignin concentrations. The changes in the morphological characteristics, production, mineral and chemical composition in the tropical forage grasses were associated to the alterations in the physiochemical properties of the soils caused by the lack of oxygen, transforming the soils in a reduced environment.
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Elias, Samya Daniela de Sousa. "Synthesis of a high performance surfactant for application in alkaline-surfactant-polymer flooding in extreme reservoirs." Thesis, Cape Peninsula University of Technology, 2016. http://hdl.handle.net/20.500.11838/2491.

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Thesis (MTech (Chemical Engineering))--Cape Peninsula University of Technology, 2016.<br>Due to the rising cost involve with bringing new fields on stream, of producing residual crude from matured fields, and the significant enhancement in oil recovery provided when compared to conventional water-flooding, increasing attention is being given to chemical flooding technologies. This is particular of interest in mature fields that had previously undergone water flooding. These methods entail injecting chemicals such as surfactant, alkali, and polymer often in mixture into reservoirs to improve oil recovery. In this study a sulfonated surfactant was produced from cheap waste vegetable oils and its performance was assessed in terms of thermal stability at reservoir conditions, adsorption on different reservoir materials, gas chromatography characterization and a limited interfacial tension measurement to evaluate its ability to improve the recovery of crude oil. Waste vegetable oils have great potential as a sustainable and low cost feedstock as well as its low toxicity.
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Koyassan, Veedu Faiz. "Scale-up methodology for chemical flooding." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-12-2578.

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Accurate simulation of chemical flooding requires a detailed understanding of numerous complex mechanisms and model parameters where grid size has a substantial impact upon results. In this research we show the effect of grid size on parameters such as phase behavior, interfacial tension, surfactant dilution and salinity gradient for chemical flooding of a very heterogeneous oil reservoir. The effective propagation of the surfactant slug in the reservoir is of paramount importance and the salinity gradient is a key factor in ensuring the process effectiveness. The larger the grid block size, the greater the surfactant dilution, which in turn erroneously reduces the effectiveness of the process indicated with low simulated oil recoveries. We show that the salinity gradient is not adequately captured by coarse grid simulations of heterogeneous reservoirs and this leads to performance predictions with lower recovery compared to fine grid simulations. Due to the highly coupled, nonlinear interactions of the many chemical and physical processes involved in chemical flooding, it is better to use fine-grid simulations rather than coarse grids with upscaled physical properties whenever feasible. However, the upscaling methodology for chemical flooding presented in this work accounts approximately for some of the more important effects, as demonstrated by comparison of fine grid and coarse grid results and is very different than the way other enhanced oil recovery methods are upscaled. This is a step towards making better performance predictions of chemical flooding for large field projects where it is not currently feasible to perform the large number of simulations required to properly consider different designs, optimization, risk and uncertainty using fine-grid simulations.<br>text
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Books on the topic "Chemical flooding"

1

Engineers, Society Of Petroleum. Surfactant/Polymer Chemical Flooding-I. Society of Petroleum Engineers, 1988.

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Engineers, Society of Petroleum. Surfactant/Polymer Chemical Flooding-II. SPE, 1988.

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Surfactant Polymer Chemical Flooding (Cat No 30555). Society of Petroleum, 1988.

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Raffa, Patrizio, and Pablo Druetta. Chemical Enhanced Oil Recovery: Advances in Polymer Flooding and Nanotechnology. de Gruyter GmbH, Walter, 2019.

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Raffa, Patrizio, and Pablo Druetta. Chemical Enhanced Oil Recovery: Advances in Polymer Flooding and Nanotechnology. de Gruyter GmbH, Walter, 2019.

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Raffa, Patrizio, and Pablo Druetta. Chemical Enhanced Oil Recovery: Advances in Polymer Flooding and Nanotechnology. de Gruyter GmbH, Walter, 2019.

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Saha, Rahul, Pankaj Tiwari, and Ramgopal V. S. Uppaluri. Chemical Nanofluids in Enhanced Oil Recovery: Fundamentals and Applications. Taylor & Francis Group, 2021.

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Chemical Nanofluids in Enhanced Oil Recovery: Fundamentals and Applications. Taylor & Francis Group, 2021.

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Saha, Rahul, Pankaj Tiwari, and Ramgopal V. S. Uppaluri. Chemical Nanofluids in Enhanced Oil Recovery: Fundamentals and Applications. Taylor & Francis Group, 2021.

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Green, Don W., and G. Paul Willhite. Enhanced Oil Recovery. Society of Petroleum EngineersRichardson, Texas, USA, 2018. http://dx.doi.org/10.2118/9781613994948.

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Building on the comprehensive, fundamental mechanisms and mathematical computations detailed in the First Edition, the new Second Edition of Enhanced Oil Recovery presents the latest insights into the applications of EOR processes, including-Field-scale thermal-recovery such as steam-assisted gravity drainage and cyclic steam stimulation-Field-scale polymer flooding including horizontal wells-Field-scale miscible-displacement processes such as CO2 miscible flooding-Laboratory-scale chemical flooding in the development and testing of surfactant formulations An invaluable tool for petroleum engineering students, Enhanced Oil Recovery also serves as an important resource for those practicing oil recovery in the field or engaged in the design and operation of commercial projects involving enhanced-or improved-oil-recovery processes. A prior understanding of basic petrophysics, fluid properties, and material balance is recommended.
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Book chapters on the topic "Chemical flooding"

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Mandal, Ajay, and Keka Ojha. "Chemical Flooding." In Enhanced Oil Recovery. CRC Press, 2023. http://dx.doi.org/10.1201/9781003098850-3.

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Dai, Caili, and Fulin Zhao. "Chemical Flooding and Miscible Flooding." In Oilfield Chemistry. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2950-0_4.

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Bedrikovetsky, Pavel, and Gren Rowan. "Chemical Flooding in Stratified Reservoirs." In Mathematical Theory of Oil and Gas Recovery. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-2205-6_12.

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Saha, Rahul, Pankaj Tiwari, and Ramgopal V. S. Uppaluri. "Alkali and Surfactant Flooding." In Chemical Nanofluids in Enhanced Oil Recovery. CRC Press, 2021. http://dx.doi.org/10.1201/9781003010937-13.

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Saha, Rahul, Pankaj Tiwari, and Ramgopal V. S. Uppaluri. "Alkali Flooding – Mechanisms Investigation." In Chemical Nanofluids in Enhanced Oil Recovery. CRC Press, 2021. http://dx.doi.org/10.1201/9781003010937-2.

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Saha, Rahul, Pankaj Tiwari, and Ramgopal V. S. Uppaluri. "Nanofluid Flooding for Oil Recovery." In Chemical Nanofluids in Enhanced Oil Recovery. CRC Press, 2021. http://dx.doi.org/10.1201/9781003010937-5.

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Kumar, Ravi Shankar, Muhammad Arif, Kushal Das, and Tushar Sharma. "Nanomaterials for Polymer and Surfactant Flooding." In Advancements in Chemical Enhanced Oil Recovery. Apple Academic Press, 2024. http://dx.doi.org/10.1201/9781003453727-9.

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Kumar, Ravi Shankar, Muhammad Arif, Kushal Das, and Tushar Sharma. "Recent Trends in EOR: Nanofluid Flooding." In Advancements in Chemical Enhanced Oil Recovery. Apple Academic Press, 2024. http://dx.doi.org/10.1201/9781003453727-8.

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Tripathi, Rishabh, Abhijit Kakati, Nilesh Kumar Jha, and Vishnu Chandrasekharan Nair. "Low-Salinity Water Flooding: Mechanisms and Status." In Advancements in Chemical Enhanced Oil Recovery. Apple Academic Press, 2024. http://dx.doi.org/10.1201/9781003453727-3.

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Ganat, Tarek, and Imtiaz Ali. "Hybrid Chemical EOR Using Low-Salinity Water Flooding." In Advancements in Chemical Enhanced Oil Recovery. Apple Academic Press, 2024. http://dx.doi.org/10.1201/9781003453727-14.

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Conference papers on the topic "Chemical flooding"

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R. Bragg, J. "Status of chemical flooding." In IOR 1991 - 6th European Symposium on Improved Oil Recovery. European Association of Geoscientists & Engineers, 1991. http://dx.doi.org/10.3997/2214-4609.201411296.

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A. Trangenstein, John, Sameer A. Khan, Richard Hornung, and Gary A. Pope. "Adaptive Methods for Chemical Flooding." In ECMOR IV - 4th European Conference on the Mathematics of Oil Recovery. European Association of Geoscientists & Engineers, 1994. http://dx.doi.org/10.3997/2214-4609.201411177.

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Koyassan Veedu, Faiz, Mojdeh Delshad, and Gary Arnold Pope. "Scaleup Methodology for Chemical Flooding." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2010. http://dx.doi.org/10.2118/135543-ms.

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John, A., C. Han, M. Delshad, G. A. Pope, and K. Sepehrnoori. "A New Generation Chemical Flooding Simulator." In SPE/DOE Symposium on Improved Oil Recovery. Society of Petroleum Engineers, 2004. http://dx.doi.org/10.2118/89436-ms.

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Wyatt, Kon, Malcolm John Pitts, and Harry Surkalo. "Economics of Field Proven Chemical Flooding Technologies." In SPE Symposium on Improved Oil Recovery. Society of Petroleum Engineers, 2008. http://dx.doi.org/10.2118/113126-ms.

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Ghosh, Pinaki, Himanshu Sharma, and Kishore K. Mohanty. "Chemical Flooding in Low Permeability Carbonate Rocks." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2017. http://dx.doi.org/10.2118/187274-ms.

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Eiroboyi, I., and S. S. Ikiensikimama. "Improved Water Soluble Polymers for Chemical Flooding." In SPE Nigeria Annual International Conference and Exhibition. Society of Petroleum Engineers, 2018. http://dx.doi.org/10.2118/193489-ms.

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Zhang, Jian, Cuo Guan, Xianjie Li, Dan Liang, and Wensen Zhao. "Research and Pilot Experiment of Discontinuous Chemical Flooding Technology in Offshore Oilfield." In SPE Conference at Oman Petroleum & Energy Show. SPE, 2024. http://dx.doi.org/10.2118/218764-ms.

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Abstract Compared with conventional onshore oilfields, offshore oilfields have problems such as incomplete well pattern, large well spacing, strong heterogeneity, and high crude oil viscosity. Conventional chemical flooding methods have limited ability to control and drive, and relying on a single chemical agent system cannot avoid fingering and channeling in the presence of dominant pores and fractures. In order to continuously and evenly development the reservoir, it is necessary to study the discontinuous chemical flooding technology with the purposeful alternate combination of multiple chemical systems as the core. Firstly, the static properties and flooding characteristics of chemicals such as gels, microgels and associative polymers commonly used in discontinuous chemical flooding in offshore oilfields are evaluated. The concept of reservoir displacement equilibrium degree is established by comprehensively considering the sweeping conditions of every sub-layers and the oil displacement effect of the sub-layers. Based on this, combined with the physical simulation experiment of parallel core flooding, a simulation study is carried out on the adaptability of discontinuous chemical flooding and the production status of sub-layers in the process of discontinuous chemical flooding. Finally, Combining the indoor physical simulation test results, a pilot experiment plan for discontinuous chemical flooding in offshore BZ oil field is formulated. The basic performance of the chemical system commonly used in conventional chemical flooding is obtained through the experiments, and the systems are divided into three levels: strong, medium and weak according to the adjustable flooding intensity, which provides necessary parameter support for the efficient use of the chemical in the process of discontinuous chemical flooding. Through physical simulation experiments, the design principles and application specifications for obtaining discontinuous chemical flooding equilibrium production are given, which can provide theoretical guidance for practical field applications. Since the discontinuous chemical flooding in BZ oil field, the effect of oil increase has been remarkable. The peak daily oil production of a single well has increased by 115%, and the maximum reduction of water cut is 15%, At the same time, the effective time is more than five months. Discontinuous chemical flooding in offshore oilfields is a new development method that combines multiple technologies to "relay" flooding. This technology can efficiently improve oil production speed and oil production effect in the whole process of oilfield development, greatly shorten oilfield development time, in the shortest time to obtain maximum yield and economic benefits.
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Pi, Yanfu, Quanzhi Li, Yingjie Liu, and Xiaofang Yang. "Experimental Research for Chemical Flooding of Heavy Oil." In 2015 Asia-Pacific Energy Equipment Engineering Research Conference. Atlantis Press, 2015. http://dx.doi.org/10.2991/ap3er-15.2015.75.

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Jeirani, Zahra, Badrul H. Mohamed Jan, Brahim Si Ali, Ishenny Mohd Noor, Chun Hwa See, and Wasan Saphanuchart. "A Novel Effective Triglyceride Microemulsion for Chemical Flooding." In SPE Asia Pacific Oil and Gas Conference and Exhibition. Society of Petroleum Engineers, 2012. http://dx.doi.org/10.2118/158301-ms.

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Reports on the topic "Chemical flooding"

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Gary A. Pope, Kamy Sepehrnoori, and Mojdeh Delshad. A NEW GENERATION CHEMICAL FLOODING SIMULATOR. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/839363.

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Gary A. Pope, Kamy Sepehrnoori, and Mojdeh Delshad. A NEW GENERATION CHEMICAL FLOODING SIMULATOR. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/823160.

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Gary A. Pope, Kamy Sepehrnoori, and Mojdeh Delshad. A NEW GENERATION CHEMICAL FLOODING SIMULATOR. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/823662.

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Gary A. Pope, Kamy Sepehrnoori, and Mojdeh Delshad. A NEW GENERATION CHEMICAL FLOODING SIMULATOR. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/825831.

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Gary A. Pope, Kamy Sepehrnoori, and Mojdeh Delshad. A NEW GENERATION CHEMICAL FLOODING SIMULATOR. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/820951.

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Pope, G., L. Lake, and K. Sepehrnoori. Modelling and scale-up of chemical flooding. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/7014577.

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Laura Wesson, Prapas Lohateeraparp, Jeffrey Harwell, and Bor-Jier Shiau. Next Generation Surfactants for Improved Chemical Flooding Technology. Office of Scientific and Technical Information (OSTI), 2012. http://dx.doi.org/10.2172/1070067.

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Llave, F. M., T. R. French, and P. B. Lorenz. Evaluation of mixed surfactants for improved chemical flooding. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/6781164.

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Llave, F. M., T. R. French, and P. B. Lorenz. Evaluation of mixed surfactants for improved chemical flooding. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10130743.

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Mojdeh Delshad, Gary A. Pope, and Kamy Sepehrnoori. A Framework to Design and Optimize Chemical Flooding Processes. Office of Scientific and Technical Information (OSTI), 2006. http://dx.doi.org/10.2172/896545.

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