3D Experimental Investigation on Enhanced Oil Recovery by Flue Gas Coupled with Steam in Thick Oil Reservoirs

Wu, Zhengbin; Liu, Huiqing; Wang, Xue

doi:10.1021/acs.energyfuels.7b03081

Cited by 30 publications

(18 citation statements)

References 33 publications

(47 reference statements)

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“…At 8000 min, oil production rate was very low and the water cut was extremely high due to the arrested development of steam chamber. Figure 8 shows that foam oil produced after injecting flue gas, the foam mainly come from the light components dissolved in heavy oil which become gas-phase under high temperature (Wu et al, 2018), which indicated that flue gas was slightly more effective in viscosity reduction and swelling for remaining oil (Dong and Huang, 2002;Ebadati et al, 2019). Under the combination of steam and flue gas, interfacial tension and viscosity of heavy oil were decreased, the fluidity of heavy oil was increased, and drainage becomes better.…”

Section: Analysis Of Oil and Water Outputmentioning

confidence: 99%

“…Chang (2020) performed reservoir simulations (using CMG STARS) to study flue gas waste heat utilization for enhanced oil production, the results showed that flue gas addition to water increased oil production effectivity due to the heat of vaporization that it transferred to the reservoir and significantly reduced steam consumption. By carrying out a three-dimensional physical experiment, Wu et al (2018) found that flue gas has the ability to reduce oil viscosity, and decrease steam heat loss to achieve the best development effect. Utilizing the 2-dimensional visualization model, Wang et al (2019) found that the injection of flue gas could penetrate the interlayer and promote steam chamber, improving SAGD development in the reservoir with an interlayer.…”

Section: Introductionmentioning

confidence: 99%

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3D experimental investigation on enhanced oil recovery by flue gas assisted steam assisted gravity drainage

Tao

Yuan

Huang

et al. 2021

Energy Exploration & Exploitation

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Flue gas assisted steam assisted gravity drainage (SAGD) is a frontier technology to enhance oil recovery for heavy oil reservoirs. The carbon dioxide generated from the thermal recovery of heavy oil can be utilized and consumed to mitigate climate warming for the world. However, most studies are limited to merely use numerical simulation or small physical simulation device and hardly focus on large scale three-dimensions experiment, which cannot fully investigate the enhanced oil recovery (EOR) mechanism of flue gas assisted SAGD, thus the effect of flue gas on SAGD production performance is still not very clear. In this paper, large-scaled and high temperature and pressure resistant 3D physical simulation experiment was conducted, where simulated the real reservoir to a maximum extent, and systematically explored the EOR mechanisms of the flue gas assisted SAGD. Furthermore, the differences between the steam huff and puff, SAGD and flue gas assisted SAGD are discussed. The experimental result showed that the production effect of SAGD was improved by injecting flue gas, with the oil recovery was increased by 5.7%. With the help of thermocouple temperature measuring sensors, changes of temperature field display that flue gas can promote lateral re-development of the steam chamber, and the degree of reservoir exploitation around the horizontal wells has been increased particularly. What’s more, the addition of flue gas further increased the content of light components and decreased the content of heavy by comparing the content of heavy oil components produced in different production times.

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Section: Analysis Of Oil and Water Outputmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

3D experimental investigation on enhanced oil recovery by flue gas assisted steam assisted gravity drainage

Tao

Yuan

Huang

et al. 2021

Energy Exploration & Exploitation

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“…Zhengbin et al mengkaji mengenai peningkatan produksi minyak dengan termal-EOR dengan kajian numerik. Pada kajiannya didapatkan nilai temperatur optimum injeksi [11]. Studi ekperimental dan komputasi dinamika fluida (CFD) pada proses termal EOR dilakukan oleh Askarova et al Pada hasil studinya didapatkan bahwa solusi numerik dapat melakukan validasi dan kajian parametrik untuk kasus fenomena termal-EOR [12].…”

Section: Latar Belakangunclassified

Simulasi aliran dua fase pada campuran air-minyak di pipa horizontal dengan parameter termal

Jalaali¹,

Kumolosari²

2021

Angkasa

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A CFD study of Water-Oil flow in the horizontal pipe was conducted using the Volume-of-Fluid (VoF) multiphase model coupled with the SST turbulence model scheme. This study aimed to simulate the mixture flow characteristic by takes account temperature parameter. It was numerically solved using a finite-volume model utilized in Fluent software. The simulation results compared towards experimental showed good prediction on the particular flow pattern. In this study, the thermal parameter was then solved by utilizing energy equation coupled by multiphase model. The water flow temperatures were varied in ranged of 300-340K. The results showed that temperature affected reducing the viscosity of the fluid as well as the density. Furthermore, the flow pattern changed whereby oil was above the water due to its lower viscosity and density. This study is beneficial for accessing the temperature effect on the water-oil flow as represented in the applied petroleum industry of oil-lifting.

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“…The main mechanism of these SF technologies is to reduce the viscosity of heavy oil and improve the fluidity of oil. [8][9][10] Many attempts have been made, such as noncondensable gas (NCG) coinjection with steam [11] and solvent-assisted SF. [12] However, it is found that steam injection is affected by viscous fingering, gravity override, and channeling, leading to a premature steam breakthrough in production wells.…”

Section: Introductionmentioning

confidence: 99%

A Review of High‐Temperature Foam for Improving Steam Flooding Effect: Mechanism and Application of Foam

Zhao

Wang

et al. 2022

Energy Tech

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With the exploitation of light oil approaching saturation, the exploitation of heavy oil is of particular importance. Thermal recovery technology is typically used in heavy oil recovery, such as steam flooding (SF), steam‐assisted gravity drainage, and cyclic steam stimulation. However, SF technology brings problems such as gravity overlap, viscous fingering, and channeling, reducing the sweep efficiency and oil recovery efficiency. Some studies have proposed that foam and steam should be injected into the reservoir together to plug, turn, and reduce viscosity. Heavy oil production occurs mostly under high‐temperature conditions, which require that the foaming agents have good foaming ability in this environment. The generated foam should have good stability. Meanwhile, the mechanism of steam foam enhancing oil recovery (EOR) also changes. Therefore, the research on the mechanism and application of steam foam technology is discussed. First, the basic theory of foam is introduced, and the research on the mechanism of steam foam EOR is discussed. Second, the application of steam foam in the laboratory and the field is summarized. Finally, the full text is summarized and some prospects are made, to provide some help for future research.

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3D Experimental Investigation on Enhanced Oil Recovery by Flue Gas Coupled with Steam in Thick Oil Reservoirs

Cited by 30 publications

References 33 publications

3D experimental investigation on enhanced oil recovery by flue gas assisted steam assisted gravity drainage

3D experimental investigation on enhanced oil recovery by flue gas assisted steam assisted gravity drainage

Simulasi aliran dua fase pada campuran air-minyak di pipa horizontal dengan parameter termal

A Review of High‐Temperature Foam for Improving Steam Flooding Effect: Mechanism and Application of Foam

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