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Dissertations / Theses on the topic 'Heavy and extra-heavy crude oil'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Lopez, Yadira. "Integrated processing for heavy crude oil." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/integrated-processing-for-heavy-crude-oil(ec191370-cb4a-417f-995e-33f9ff053c1d).html.

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Energy based on non-renewable resources such as gas, oil, coal and nuclear fission, even with their serious problems of pollution, contributes to 86% of the global energy consumption. Oil will remain the dominant transport fuel: about 87% of transport fuel in 2030 will still be petroleum-based. Discoveries of conventional sources of light easy-to-access crude oil are becoming less common and current oil production levels are struggling to match demand, it is necessary to develop new non-conventional sources of oil in order to supplement conventional oil supply, whose demand is increasing conti

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2

Cassani, F. M. "Organic geochemistry of extra-heavy crude oils from the Eastern Venezuelan Basin." Thesis, University of Bristol, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356118.

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3

Hascakir, Berna. "Investigation Of Productivity Of Heavy Oil Carbonate Reservoirs And Oil Shales Using Electrical Heating Methods." Phd thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/3/12609804/index.pdf.

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The recovery characteristics of Bolu-Himmetoglu, Bolu-Hatildag, K&uuml<br>tahya- Seyit&ouml<br>mer, and Nigde-Ulukisla oil shale samples and Bati Raman, &Ccedil<br>amurlu, and Garzan crude oil samples were tested experimentally using retort and microwave heating techniques. Many parameters like heating time, porosity, water saturation were studied. To enhance the efficiency of the processes three different iron powders (i.e.<br>Fe, Fe2O3, and FeCl3) were added to the samples and the doses of the iron powders were optimized. While crude oil viscosities were measured to explain the fluid rheolog

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4

Guerra, André. "Modeling Mild Thermal Cracking of Heavy Crude Oil and Bitumen with VLE Calculations." Thesis, Université d'Ottawa / University of Ottawa, 2018. http://hdl.handle.net/10393/38003.

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The current shortage of crude oil from conventional sources has increased interest in developing unconventional resources such as oil sands. Heavy crudes and bitumen are found in Northern Alberta and their exploration, processing, and transport to market pose challenges in the use of these resources. Part of the solution to these challenges involves the reactive thermal processing of heavy crudes and bitumen. This thesis focused on mild thermal cracking reactions, and two studies regarding these reactions were presented. The first was an experimental study performed in a pilot-scale semi-bat

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5

Abdullayev, Azer. "Effects of petroleum distillate on viscosity, density and surface tension of intermediate and heavy crude oils." [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1951.

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6

Tavakkoli, Osgouei Yashar. "An Experimental Study On Steam Distillation Of Heavy Oils During Thermal Recovery." Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615574/index.pdf.

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Thermal recovery methods are frequently used to enhance the production of heavy crude oils. Steam-based processes are the most economically popular and effective methods for heavy oil recovery for several decades. In general, there are various mechanisms over steam injection to enhance and have additional oil recovery. However, among these mechanisms, steam distillation plays pivotal role in the recovery of crude oil during thermal recovery process. In this study, an experimental investigation was carried out to investigate the role of various minerals present in both sandstone and carbonate f

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7

Pinzón-Espinosa, Angela. "Unravelling the chemistry behind the toxicity of oil refining effluents : from characterisation to treatment." Thesis, Brunel University, 2018. http://bura.brunel.ac.uk/handle/2438/17456.

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Adequate wastewater management is a crucial element to achieve water sustainability in the petroleum refining sector, as their operations produce vast quantities of wastewater with potentially harmful contaminants. Treatment technologies are therefore pivotal for stopping these chemicals from entering the environment and protecting receiving environments. However, refining effluents are still linked to serious pollution problems, partly because little progress has been made in determining the causative agents of the observed biological effects, resulting in non-targeted treatment. Here it is s

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8

Silva, Sandra Lopes da. "NMR in the characterization of heavy residual procedural streams." Doctoral thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/13126.

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Doutoramento em Química<br>The main objective of this work was to monitor a set of physical-chemical properties of heavy oil procedural streams through nuclear magnetic resonance spectroscopy, in order to propose an analysis procedure and online data processing for process control. Different statistical methods which allow to relate the results obtained by nuclear magnetic resonance spectroscopy with the results obtained by the conventional standard methods during the characterization of the different streams, have been implemented in order to develop models for predicting these same propertie

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9

Karcher, Viviane. "Determinação da energia interfacial de emulsões de agua em oleo pesado." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265665.

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Orientador: Antonio Carlos Bannwart<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica e Instituto de Geociencias<br>Made available in DSpace on 2018-08-12T08:12:48Z (GMT). No. of bitstreams: 1 Karcher_Viviane_M.pdf: 1731022 bytes, checksum: 355de3e34591ff15d14ab367330328f8 (MD5) Previous issue date: 2008<br>Resumo: Durante a produção de petróleo, é comum o aparecimento de água sob a forma de gotas finamente dispersas no óleo. A água pode ser oriunda de métodos de recuperação avançada e/ou do próprio reservatório (água conata). O cisalhamento turb

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10

Molnárné, Guricza Lilla [Verfasser], and Wolfgang [Akademischer Betreuer] Schrader. "Comprehensive characterization of chemical structures in heavy crude oil asphaltenes by using liquid chromatography and ultrahigh resolution mass-spectrometry / Lilla Molnárné Guricza ; Betreuer: Wolfgang Schrader." Duisburg, 2017. http://d-nb.info/1130587029/34.

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11

Andreikėnaitė, Laura. "Genotoxic and cytotoxic effects of contaminants discharged from the oil platforms in fish and mussels." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2010. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2010~D_20101102_153642-57785.

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Aquatic ecosystems are still being polluted with crude oil and other technogenic contaminants. In order to evaluate genotoxic and cytotoxic impact of this pollutants, micronucleus test and analysis of the other nuclear abnormalities is rather frequently being used. The main objective of the study is assessment of genotoxicity and cytotoxicity effects in different fish and bivalves exposed to the crude oil and other technogenic contaminants discharged from the several oil platforms (Statfjord B, Oseberg C, Minija). Environmental genotoxicity and cytotoxicity was evaluated by measuring the frequ

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12

Andreikėnaitė, Laura. "Naftos platformų taršos genotoksinio ir citotoksinio poveikio įvertinimas žuvų ir moliuskų ląstelėse." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2010. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2010~D_20101102_153656-69839.

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Į vandens ekosistemas patenka dideli kiekiai žaliavinės naftos bei naftos išgavimo technologinių procesų metu susidarančių teršalų. Šiame darbe analizuotas Šiaurės jūroje veikiančių naftos platformų (Statfjord B, Oseberg C), Barenco jūroje išgaunamos arktinės bei Lietuvoje esančio Minijos naftos gręžinio žaliavinės naftos, taip pat skirtingų gamybinių vandenų atskiedimų, įvairių poliaromatinių angliavandenilių ir alkilfenolių bei sunkiųjų metalų mišinių genotoksinis (pagal mikrobranduolių ir branduolio pumpurų dažnius) bei citotoksinis (pagal fragmentuotų-apoptozinių ir dvibranduolių ląstelių

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13

Coêlho, Nelize Maria de Almeida. "Estudo da hidrodinâmica do escoamento bifásico água-óleo utilizando o padrão Core Annular Flow." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/3/3137/tde-26032019-095154/.

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A economia mundial é fortemente dependente da disponibilidade de óleo, no entanto as reservas de óleo leve, mais atrativas ao mercado, tendem nos próximos anos ao esgotamento, trazendo à luz as reservas de óleo pesado para atender as demandas do mercado. No entanto, os processos associados ao transporte e processamento desses óleos viscosos consomem muita energia, impondo um grande desafio para a indústria do petróleo. Nesse contexto, se transportar óleos viscosos com água através de um escoamento bifásico em padrão Core Annular Flow (CAF) é muito promissor. Nessa prática, uma película anular

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14

Desprez, Alain. "Caractérisation moléculaire et élémentaire des produits pétroliers lourds." Thesis, Pau, 2014. http://www.theses.fr/2014PAUU3052.

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Les pétroles utilisés en raffinage étant de plus en plus lourds et chargés en métaux et hétéroélements, il est d’une grande importance pour les activités de raffinage de connaître la spéciation de ces espèces au sein des produits pétroliers et leurs comportements durant les procédés de raffinage. Afin d’apporter des réponses à cette problématique des techniques de caractérisation élémentaire et moléculaire ont été utilisées notamment par ICP MS Haute Résolution et FT ICR MS respectivement. Ces techniques analytiques sont appliquées à différents échantillons pétroliers provenant parfois de proc

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15

Gutiérrez, Sama Sara. "Identifications moléculaires des espèces hétéroatomiques et métalliques en lien avec les procédés d’hydrodemetallation et d’hydroconversion." Thesis, Pau, 2017. http://www.theses.fr/2017PAUU3042.

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La présence d'hétéroatomes et métaux dans des fractions lourdes de pétrole brut peuvent entraîner la désactivation des catalyseurs d’hydrotraitement et d’hydrocraquage. Les composés contenant ces éléments sont connus pour être inclus dans des agrégats macromoléculaires d’asphaltènes, qui sont considérées comme les composants les plus problématiques des produits pétroliers. Ces travaux ont pour objectif d’apporter une meilleure compréhension de l’environnement chimique de ces espèces et des phénomènes d’agrégation pour optimiser les processus de raffinage. Des techniques de séparation comme la

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16

Vignet, Caroline. "Altération de la physiologie des poissons exposés à des hydrocarbures aromatiques polycycliques (HAP) : comportement et reproduction." Thesis, La Rochelle, 2014. http://www.theses.fr/2014LAROS003/document.

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Les hydrocarbures aromatiques polycycliques (HAP) sont des polluants organiques persistants qui sont présents en mélange complexe dans l’environnement et notamment dans les milieux aquatiques. Ils s’adsorbent sur les particules en suspension, s’accumulent dans les sédiments et dans les premiers maillons de la chaîne trophique. L’objectif de cette étude était de mesurer les effets à long terme d’une contamination par des HAP chez un modèle de vertébrés : le poisson zèbre. Dans un premier temps, des embryons ont été exposés pendant les 4 premiers jours de leur développement sur du sédiment natur

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17

Rivero, Diaz Jose Antonio. "Experimental studies of steam and steam-propane injection using a novel smart horizontal producer to enhance oil production in the San Ardo field." Texas A&M University, 2003. http://hdl.handle.net/1969.1/5753.

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A 16ÃÂ16ÃÂ5.6 in. scaled, three-dimensional, physical model of a quarter of a 9-spot pattern was constructed to study the application of two processes designed to improve the efficiency of steam injection. The first process to be tested is the use of propane as a steam additive with the purpose of increasing recovery and accelerating oil production. The second process involves the use of a novel production configuration that makes use of a vertical injector and a smart horizontal producer in an attempt to mitigate the effects of steam override. The experimental model was scaled using the c

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18

Schlothmann, Daniel. "Kurz- und langfristige Angebotskurven für Rohöl und die Konsequenzen für den Markt." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2016. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-201396.

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In dieser Arbeit wurden Angebotskurven für 22 bedeutende Ölförderländer ermittelt und anschließend zu globalen Angebotskurven aggregiert. Gemäß den ermittelten Angebotskurven sind nahezu alle gegenwärtig in der Förderphase befindlichen Ölprojekte in den Untersuchungsländern auch beim aktuellen Ölpreis von 35 bis 40 US-$ je Barrel unter Berücksichtigung der kurzfristigen Grenzkosten rentabel. Sollte der Ölpreis jedoch in den kommenden Jahren auf diesem Niveau verharren, wird es bis zum Jahr 2024 zu einem Angebotsengpass auf dem globalen Ölmarkt kommen, da zur Deckung der zukünftigen Nachfrage d

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19

Sehlake, Portia Boitumelo. "Experimental assessment of heavy crude oil production using emulsion flooding." Thesis, 2017. https://hdl.handle.net/10539/24970.

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A research report submitted to the Faculty of Engineering and the Built Environment, University of the Witwatersrand, Johannesburg, in partial fulfilment of the requirements for the degree of Master of Science in Engineering (Metallurgy and Materials Engineering), October 2017<br>In many crude oil exploitation oil cannot be produced using its own natural drive after many years due to pressure depletion. In order to maintain the reservoir pressure and optimize the oil production, secondary oil recovery methods are usually used i.e. water injection, gas lift and reinjection of natural gas. Alth

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20

Hasan, Shadi. "Rheology of heavy crude oil and viscosity reduction for pipeline transportation." Thesis, 2007. http://spectrum.library.concordia.ca/975501/1/MR34627.pdf.

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The rheological properties of heavy crude oil have been investigated using RheoStress RS100 from Haake. The effects of shear rate, temperature and oil concentration on the viscosity have been determined. From the rheological data, it was observed that blending the heavy crude oil with a limited amount of lighter crude oil worked better than using the other alternatives and was considered as the proposed method of reducing the viscosity. Therefore, the theological behavior of heavy crude oil and heavy crude oil-light crude oil (O-light) mixtures has been studied and a series of experiments was

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21

Riley, Brenden J. "Asphaltene profiling of crude and heavy fuel oils to assist in forensic oil spill investigations." Thesis, 2018. http://hdl.handle.net/1959.7/uws:51938.

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When oil is spilt, investigators compare the chemical profile of the spilt oil with suspected source oils through a process commonly referred to as oil fingerprinting. Oil fingerprints are currently generated exclusively from volatile fractions of oil whilst the non-volatile fraction is discarded. The non-volatile fraction contains asphaltenes, which are defined as the oil fraction that is not soluble in short chain n-alkanes. There is sufficient evidence in the literature to suggest that asphaltenes may offer probative information if they were included in oil spill investigations. This PhD re

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22

Klein, Geoffrey Christoffersen Marshall Alan G. "Petroleomics applications in the fingerprinting of the acidic and basic crude oil components detected by electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry /." Diss., 2005. http://etd.lib.fsu.edu/theses/available/etd-11072005-145321.

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Thesis (Ph. D.)--Florida State University, 2005.<br>Advisor: Alan G. Marshall, Florida State University, College of Arts and Sciences, Dept. of Chemistry and Biochemistry. Title and description from dissertation home page (viewed Jan. 26, 2006). Document formatted into pages; contains xxi, 145 pages. Includes bibliographical references.

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23

Hasan, MD Anwarul. "Rheological behavior and nano-microstructure of complex fluids: Biomedical and Bitumen-Heavy oil applications." Phd thesis, 2010. http://hdl.handle.net/10048/1592.

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The main objective of this research was to exploit the interrelations between the rheological behavior and nano-microstructure of complex fluids in solving two state-of-the-art problems, one in the field of biomedical engineering: controlling the amount and characteristics of bioaerosol droplets generated during coughing, and the other in the bitumen-heavy oil industry: characterizing the nano-microstructure of asphaltene particles in bitumen and heavy oil from their rheological behavior. For the first problem, effect of viscoelastic and surface properties of artificial mucus simulant gels on

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24

Walker, Dustin Luke. "Experimental investigation of the effect of increasing the temperature on ASP flooding." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-12-4919.

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Chemical EOR processes such as polymer flooding and surfactant polymer flooding must be designed and implemented in an economically attractive manner to be perceived as viable oil recovery options. The primary expenses associated with these processes are chemical costs which are predominantly controlled by the crude oil properties of a reservoir. Crude oil viscosity dictates polymer concentration requirements for mobility control and can also negatively affect the rheological properties of a microemulsion when surfactant polymer flooding. High microemulsion viscosity can be reduced with the

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25

Shafiei, Ali. "Mathematical and Statistical Investigation of Steamflooding in Naturally Fractured Carbonate Heavy Oil Reservoirs." Thesis, 2013. http://hdl.handle.net/10012/7429.

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A significant amount of Viscous Oil (e.g., heavy oil, extra heavy oil, and bitumen) is trapped in Naturally Fractured Carbonate Reservoirs also known as NFCRs. The word VO endowment in NFCRs is estimated at ~ 2 Trillion barrels mostly reported in Canada, the USA, Russia, and the Middle East. To date, contributions to the world daily oil production from this immense energy resource remains negligible mainly due to the lack of appropriate production technologies. Implementation of a VO production technology such as steam injection is expensive (high capital investment), time-consuming, and pe

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