An Introduction to Enhanced Oil Recovery

Alamooti, Amirhossein Mohammadi; Malekabadi, Farzan Karimi

doi:10.1016/b978-0-12-813027-8.00001-1

Cited by 12 publications

(7 citation statements)

References 1 publication

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“…Various methods are being developed and applied to improve and enhance oil recovery from different reservoirs [2]. Conventionally, the effectiveness of the method or technology applied for reservoir development is assessed by means of the oil recovery factor (%) which is usually calculated by multiplying several factors:…”

Section: Fundamentals Of Chemical Eormentioning

confidence: 99%

“…The majority of unconventional resources are deposited in remote regions with complex geological conditions (depth, porous media structure, mineralogical variations, etc.) under harsh reservoir properties, such as high temperature and salinity, and thus, their development involves the application of new technologies of exploration and recovery [2].…”

Section: Introductionmentioning

confidence: 99%

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Chemical Enhanced Oil Recovery: Where Do We Stand? Recent Advances and Applications

Ivanova¹

2022

Enhanced Oil Recovery - Selected Topics

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In this chapter, the recent advances in chemical flooding, including the application of nanoparticles, novel surfactants, and the combination thereof will be discussed and described. The main rock and reservoir fluids properties that influence the effectiveness of chemical flooding will be addressed. The emphasis will be given on wetting properties and recent advances in methods for measuring wettability. The technological and economic challenges associated with chemical injection will be posed, and reсent solutions will be given. Especially, the challenge of applying chemical EOR methods to carbonate reservoirs will be covered, and suggestions to overcome it will be given. Moreover, the current worldwide applications of chemical EOR will be discussed and future plans will be outlined.

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Section: Fundamentals Of Chemical Eormentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Chemical Enhanced Oil Recovery: Where Do We Stand? Recent Advances and Applications

Ivanova¹

2022

Enhanced Oil Recovery - Selected Topics

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“…In this stage, oil can be recovered using several thermal methods, such as steam flooding [26][27][28][29][30] and in situ combustion or fire flooding [12,28]; chemical methods using alkaline displacement, surfactants, and polymers [28,[31][32][33][34][35]; miscible displacement methods using CO 2 , N 2 , flue gases, kerosene, gasoline, benzene, etc. [28,36]; and via the microbial method. A study by Alvarado and Manrique [37] showed that these methods are recurrently used in sandstone reservoirs rather than in other lithologies such as turbiditic and carbonate formations.…”

Section: Tertiary Recovery Stage (Enhanced Oil Recovery)mentioning

confidence: 99%

“…In addition, a negative perception exists regarding the use of microbes, although the tests carried out by laboratories have proven these to be safe [60,156]. Numerous other factors are currently contributing to the lack of attention being paid to this approach [11,12,22,36,42,51,55,64,74,154,163]. Its limitation and benefits are listed in Figure 7.…”

Section: A Vast Chronicle Of Meor History and Case Studiesmentioning

confidence: 99%

Exploiting Microbes in the Petroleum Field: Analyzing the Credibility of Microbial Enhanced Oil Recovery (MEOR)

et al. 2021

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Crude oil is a major energy source that is exploited globally to achieve economic growth. To meet the growing demands for oil, in an environment of stringent environmental regulations and economic and technical pressure, industries have been required to develop novel oil salvaging techniques. The remaining ~70% of the world’s conventional oil (one-third of the available total petroleum) is trapped in depleted and marginal reservoirs, and could thus be potentially recovered and used. The only means of extracting this oil is via microbial enhanced oil recovery (MEOR). This tertiary oil recovery method employs indigenous microorganisms and their metabolic products to enhance oil mobilization. Although a significant amount of research has been undertaken on MEOR, the absence of convincing evidence has contributed to the petroleum industry’s low interest, as evidenced by the issuance of 400+ patents on MEOR that have not been accepted by this sector. The majority of the world’s MEOR field trials are briefly described in this review. However, the presented research fails to provide valid verification that the microbial system has the potential to address the identified constraints. Rather than promising certainty, MEOR will persist as an unverified concept unless further research and investigations are carried out.

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“…In recent decades, the energy needed to produce oil has become inadequate to achieve economically viable scales of production. For this purpose, to improve oil recovery, additional energy is required. − The most common secondary recovery techniques are the injection of gas and water. − Basically, gas is injected into the gas plug and water is injected into the production area to sweep the oil from the reservoir (Figure ). A pressure maintenance program may begin during the primary recovery stage, but it is an improved form or recovery.…”

Section: Introductionmentioning

confidence: 99%

Influence of the Clay Content and Type of Algerian Sandstone Rock Samples on Water–Oil Relative Permeabilities

et al. 2019

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The objective of this work is to study the effect of certain factors on oil−water relative permeability curves following a considerable drop in the production of certain oil wells at the Hassi Messaoud field in southern Algeria. In the present study, oil−water relative permeability experiments and irreducible water (S wi ) and residual oil (S or ) saturations have been investigated. The effect of the clay particle content in the samples (such as illite and kaolinite) on oil recovery is investigated. Indeed, other factors, such as injected pressure, wettability alteration, and petrophysical properties, of the reservoir rock interact with each other and, particularly, in the presence of injected Albian water. Results of the waterflooding experiments show that oil recovery (IOP) increases with increasing clay content, namely, kaolinite and illite type; this IOP is clearly higher for plugs containing more kaolinite than illite. The tested samples have water-wetting behavior, showing a decrease in S or and an increase in S wi , and are characterized by a strong presence of clays, 70% kaolinite and 30% illite, with a breakthrough from about 40 to 50%.

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An Introduction to Enhanced Oil Recovery

Cited by 12 publications

References 1 publication

Chemical Enhanced Oil Recovery: Where Do We Stand? Recent Advances and Applications

Chemical Enhanced Oil Recovery: Where Do We Stand? Recent Advances and Applications

Exploiting Microbes in the Petroleum Field: Analyzing the Credibility of Microbial Enhanced Oil Recovery (MEOR)

Influence of the Clay Content and Type of Algerian Sandstone Rock Samples on Water–Oil Relative Permeabilities

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