High Performance Water Treatment Technology for the Reservoir Pressure Maintenance at Oil Fields

Abdeli, D. Zh.; Seiden, Assel B.

doi:10.26480/jmerd.04.2018.66.81

Cited by 7 publications

(3 citation statements)

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“…It should be highlighted that Gandomkar and Rahimpour (2015) and Abdeli and Seiden (2018) reported an increase of oil recovery up to 20% during the secondary WF recovery stage with different water compositions and the same total dissolved salinity (TDS). In addition, Alotaibi and Nasr-El-Din (2019) suggested that there is a critical salinity (not the lowest), at which the IFT between oil and brine is at a minimum level.…”

Section: Salinity Range For the Lswf Applicationsmentioning

confidence: 99%

Comprehensive investigation of low salinity waterflooding in carbonate reservoirs

Snosy

Ela

El-Banbi

et al. 2021

J Petrol Explor Prod Technol

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Waterflooding has been practiced as a secondary recovery mechanism for many years with no regard to the composition of the injected brine. However, in the last decade, there has been an interest to understand the impact of the injected water composition and the low salinity waterflooding (LSWF) in oil recovery. LSWF has been investigated through various laboratory tests as a promising method for improving oil recovery in carbonate reservoirs. These experiments showed diverse mechanisms and results. In this study, a comprehensive review and analysis for results of more than 300 carbonate core flood experiments from published work were performed to investigate the effects of several parameters (injected water, oil, and rock properties along with the temperature) on oil recovery from carbonate rock. The analysis of the results showed that the water composition is the key parameter for successful waterflooding (WF) projects in the carbonate rocks. However, the salinity value of the injected water seems to have a negligible effect on oil recovery in both secondary and tertiary recovery stages. The study indicated that waterflooding with optimum water composition can improve oil recovery up to 30% of the original oil in place. In addition, the investigation showed that changing water salinity from LSWF to high salinity waterflooding can lead to an incremental oil recovery of up to 18% in the tertiary recovery stage. It was evident that applying the optimum composition in the secondary recovery stage is more effective than applying it in the tertiary recovery stage. Furthermore, the key parameters of the injected water and rock properties in secondary and tertiary recovery stages were studied using Fractional Factorial Design. The results revealed that the concentrations of Mg2+, Na+, K+, and Cl− in the injected water are the greatest influence parameters in the secondary recovery stage. However, the most dominant parameters in the tertiary recovery stage are the rock minerals and the concentration of K+, HCO3−, and SO42− in the injected water. In addition, it appears that the anhydrite percentage in the carbonate reservoirs may be an effective parameter in the tertiary WF. Also, there are no clear relations between the incremental oil recovery and the oil properties (total acid number or total base number) in both secondary and tertiary recovery stages. In addition, the results of the analysis showed an incremental oil recovery in all ranges of the studied flooding temperatures. The findings of this study can help to establish guidelines for screening and designing optimum salinity and composition for WF projects in carbonate reservoirs.

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Section: Salinity Range For the Lswf Applicationsmentioning

confidence: 99%

Comprehensive investigation of low salinity waterflooding in carbonate reservoirs

Snosy

Ela

El-Banbi

et al. 2021

J Petrol Explor Prod Technol

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“…Since petroleum products are often used in various sectors of the national economy, they, together with industrial wastewater, enter surface sources, polluting natural waters [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

Study of the processes of the purification of water from surface sources from petroleum products

2021

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Recently, the amount of natural waters contaminated with petroleum products, which enter surface sources together with wastewater, has increased. Therefore, the issues of natural water purification of petroleum products are given great importance. Purification of natural waters from petroleum products is possible by sorption and ultrafiltration methods. Kazan State University of Architecture and Engineering conducted research on the purification of natural waters from petroleum products in adsorption filters using various sorbents, as well as membrane separators with ultrafiltration modules from various manufacturers. As a loading of sorption filters, it is recommended to use activated charcoal as a sorbent that is optimal in terms of price and quality of water purification. The membrane modules manufactured in Europe and the United States, have a high cleaning effect from petroleum products and a sufficiently high productivity. However, they are extremely expensive.

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“…Many scientists were engaged in the problems of mathematical modeling of the process of filtration and separation of complex components of the suspension and they obtained significant theoretical and applied results. In particular, the article [1] discusses the problem of deterioration of reservoir permeability in the bottomhole zone, as well as the problem of reducing water intake of injection wells due to clogging of pores and channels of the productive formation with suspended solids present in the water. The article presents the characteristics of the main wells and the dynamics of their parameters from the very beginning of their development of these wells.…”

Section: Introductionmentioning

confidence: 99%

Modeling the Process of Filtration of Fluid and Protection of Groundwater from Ionic Pollutants

2020

IJATCSE

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The article deals with the problem associated with environmental protection, protection of groundwater from pollution sources, that is, the technology of ion-exchange filtration of liquid solutions from heavy ionic compounds emitted from production facilities and for a comprehensive study, a mathematical model and its approximate analytical solution describing a nonlinear system are presented. partial differential equations. In the work for the numerical integration of the problem, in order to suppress small-scale oscillations, a term of artificial viscosity is added with a certain numerical parameter -the coefficient of artificial viscosity, and the nonlinear terms of the equation are linearized by the Bellman-Kalaba quasi-linearization method. Since when filtering the suspension, the pores of the filter are filled with gel particles, the mathematical formulation of the problem takes into account the effect of ion exchange on the porosity and permeability of the ion exchange filter and gives the law of its change.

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High Performance Water Treatment Technology for the Reservoir Pressure Maintenance at Oil Fields

Cited by 7 publications

References 0 publications

Comprehensive investigation of low salinity waterflooding in carbonate reservoirs

Comprehensive investigation of low salinity waterflooding in carbonate reservoirs

Study of the processes of the purification of water from surface sources from petroleum products

Modeling the Process of Filtration of Fluid and Protection of Groundwater from Ionic Pollutants

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