Carbon dioxide injection for enhanced gas recovery and storage (reservoir simulation)

Khan, Chawarwan; Amin, Robert; Madden, Gary

doi:10.1016/j.ejpe.2013.06.002

Cited by 66 publications

(35 citation statements)

References 14 publications

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“…There have been many studies carried out to show the potential of injecting CO 2 into dry gas and condensate gas reservoirs using numerical modeling techniques. According to these studies, the success of a CO 2 storage practice is linked to the injection strategy, reservoir characteristics, and operational parameters.…”

Section: Introductionmentioning

confidence: 99%

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Suitability of depleted gas reservoirs for geological CO₂ storage: A simulation study

et al. 2018

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Hydrocarbon reservoirs, particularly depleted gas formations, are promising geological sites for CO2 storage. Although there have been many studies on the storage aspects of gas reservoirs, the suitability of these formations in terms of fluid types such as dry, wet, and condensate gas has not been properly addressed at the reservoir level. In this study, an attempt was made to evaluate different gas reservoirs in order to provide an insight into their storage capabilities. A dynamic numerical simulation was carried out to simulate CO2 injection in a synthetic but realistic model of a geologic formation having dry, wet, or condensate gas. The results obtained under particular conditions revealed that the condensate gas medium offers a good storage potential, favorable injectivity, and reasonable pressure buildup over a long period of time, whereas dry gas formations were found to be the least favorable sites for storage among gas reservoirs. A sensitivity analysis was done to evaluate the injection rate and the permeability variation of different media during and after the storage. It indicated that the storage behavior of gas reservoirs is sensitive to the injection rate, and selection of an optimum injection rate might help to achieve a good storage capacity in condensate gas systems. The results also highlighted that CO2 immobilization in gas reservoirs after injection is enhanced due to the reduction of permeability, whereas no heterogeneity effect was observed under different permeability realizations. © 2018 Society of Chemical Industry and John Wiley & Sons, Ltd.

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Section: Introductionmentioning

confidence: 99%

“…They indicated that CO 2 can reach the northern part of the gas field in 2010 and spread out over an area including production wells in 2015. Khan et al . illustrated the potential of CO 2 storage in natural gas reservoirs.…”

Section: Introductionmentioning

confidence: 99%

Suitability of depleted gas reservoirs for geological CO₂ storage: A simulation study

et al. 2018

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“…However, this method is rather ineffective due to the difficulties in recovering oil trapped in the cracks of rocks [6]. Various methods have been introduced to increase oil recovery, such as gas injection [7], hydrocarbon displacement [8], microbial injection [9], and other methods [10][11][12]. The main advantage of these techniques is to reduce interfacial tension between water and oil to improve oil displacement and increase water/oil mobility, therefore increasing the amount of oil recovered [5,13,14].…”

Section: Introductionmentioning

confidence: 99%

Ultrasonic transformation of micelle structures: Effect of frequency and power

Yusof

Ashokkumar

2015

Ultrasonics Sonochemistry

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A comprehensive investigation on the effect of ultrasonic frequency and power on the structural transformation of CTABr/NaSal micelles has been carried out. Sonication of this micelle system at various ultrasonic frequencies and power resulted in the formation and separation of two types of micelles. High viscoelastic threadlike micelles of ∼ 2 nm in diameter and several μm in length and tubular micelles possessing a viscosity slightly above that of water with ∼ 30-50 nm diameter and few hundred nm length. The structural transformation of micelles was induced by the shear forces generated during acoustic cavitation. At a fixed acoustic power of 40 W, the structural transformation was found to decrease from 211 to 647 kHz frequency due to the decreasing shear forces generated, as evidenced by rheological measurements and cryo-TEM images. At 355 kHz, an increase in the structural transformation was observed with an increase in acoustic power. These findings provide a knowledge base that could be useful for the manipulation of viscosity of micelles that may have applications in oil industry.

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“…Furthermore, ongoing research aims to provide further insight into such matters, focusing on investigating the factors that affect the process of EGR and storage. Such an example is the work by Khan et al [28], who replicated a 3-dimensional reservoir sandstone model using actual experimental data and simulated an EGR process, while sequestrating CO 2 . Their findings refer to that one specific reservoir and can confirm that the CO 2 injection is applicable in increasing natural gas recovery and storing high amounts of CO 2 at the same time.…”

Section: Enhanced Oil and Gas Recoverymentioning

confidence: 99%

Recent Developments in Multiscale and Multiphase Modelling of the Hydraulic Fracturing Process

Sheng

Sousani

Ingham

et al. 2015

Mathematical Problems in Engineering

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Recently hydraulic fracturing of rocks has received much attention not only for its economic importance but also for its potential environmental impact. The hydraulically fracturing technique has been widely used in the oil (EOR) and gas (EGR) industries, especially in the USA, to extract more oil/gas through the deep rock formations. Also there have been increasing interests in utilising the hydraulic fracturing technique in geological storage of CO 2 in recent years. In all cases, the design and implementation of the hydraulic fracturing process play a central role, highlighting the significance of research and development of this technique. However, the uncertainty behind the fracking mechanism has triggered public debates regarding the possible effect of this technique on human health and the environment. This has presented new challenges in the study of the hydraulic fracturing process. This paper describes the hydraulic fracturing mechanism and provides an overview of past and recent developments of the research performed towards better understandings of the hydraulic fracturing and its potential impacts, with particular emphasis on the development of modelling techniques and their implementation on the hydraulic fracturing.

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Carbon dioxide injection for enhanced gas recovery and storage (reservoir simulation)

Cited by 66 publications

References 14 publications

Suitability of depleted gas reservoirs for geological CO₂ storage: A simulation study

Suitability of depleted gas reservoirs for geological CO₂ storage: A simulation study

Ultrasonic transformation of micelle structures: Effect of frequency and power

Recent Developments in Multiscale and Multiphase Modelling of the Hydraulic Fracturing Process

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Carbon dioxide injection for enhanced gas recovery and storage (reservoir simulation)

Cited by 66 publications

References 14 publications

Suitability of depleted gas reservoirs for geological CO2 storage: A simulation study

Suitability of depleted gas reservoirs for geological CO2 storage: A simulation study

Ultrasonic transformation of micelle structures: Effect of frequency and power

Recent Developments in Multiscale and Multiphase Modelling of the Hydraulic Fracturing Process

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Suitability of depleted gas reservoirs for geological CO₂ storage: A simulation study

Suitability of depleted gas reservoirs for geological CO₂ storage: A simulation study