Monitoring of Borjomi deposit of carbon dioxide mineral water as the informational basis for the study and revaluation of reserves

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Abstract

The results of trial production operation in the Central site of Borjomi mineral water deposit during 2015-2018 are analyzed in this article as an example of using monitoring data for the substantiation of water intake optimal scheme. As a result of work at existing bottling plants, the selection of optimal pumping rates for wells was carried out in several stages. The regime analysis identified three hydrodynamic periods: irregular variable water withdrawal, forced operation conditions of wells, and balanced operations. Water level stabilization in the last operation period with the total water withdrawal 282 m3/day was a base for the water reserves revaluation.

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About the authors

I. N. Sekerina

HYDEC Closed Joint-Stock Co.

Author for correspondence.
Email: sekerina@hydec.ru
Russian Federation, 15th Pаrkоvaya ul., 10а, Moscow 105203

References

  1. Vartanyan, G.S., Plotnikova, R.I., Kharatishvili, L.A., Chkhaidze, D.V. Gidrogeologicheskaya model' Borjomskogo mestorozhdeniya mineral'noi vody [Hydrogeological model of the Borjomi deposit mineral water]. Sovetskaya geologiya, 1985, no. 3, pp. 105-113. (in Russian)
  2. Chikhelidze, S.S. Prirodnyye resursy Gruzinskoi SSSR. Mineral'nye vody [Natural resources of the Georgian USSR. Mineral water]. Moscow, Akad. nayk SSSR Publ., 1962, vol. 3, 438 p. (in Russian)

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2. Fig. 1. Schematic geological and hydrogeological section of the Borzhomsky field. 1-3 - aquiferous complex: 1 - Quaternary formations; 2 - Borjomi flysch of Middle Paleocene and Lower Eocene sediments; 3 - Lower Paleocene and Upper Cretaceous carbonate sediments; 4 - dikes and diabase sills; 5 - well (figures: from above - its number, from below - depth (m), filling the test interval corresponds to hydrocarbonate waters with salinity (g / l): a - up to 2, b - 2-5, c - 5-7.5; 6 - the groundwater level of the aquiferous complex (horizon): a - Quaternary formations, b - Borjomi flysch, c - Lower Paleocene-Upper Cretaceous.

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3. Fig. 2. The main hydrodynamic stages of operation of the Central section of the Borzhomsky carbonated mineral water field from 1932 to 2018: 1 - total monthly average water withdrawal for the section; 2 - average annual water intake; 3 - the main stages of the hydrodynamic regime for the area (the number of wells (sources) producing water at the stage); I-VI period: I - natural and weakly disturbed regime (2 sources. + 2 wells), II - expansion of the territory of the Central section (2 sources. + 6 wells), III - large-scale attempts to increase production (9 wells), IV - minimum water withdrawal and approach to stabilization (8 wells), V - balanced operation (6 wells), VI - pilot operation (8 wells); 4 - average water withdrawal for the hydrodynamic stage.

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4. Fig. 3. Hydrodynamic characteristics of the main periods of pilot industrial operation of the Central section of the Borzhomsky carbonated mineral water field (January 2015 - February 2018): 1 - total water withdrawal in the area (production wells 1, 21, 21e, 41r, 59, pilot wells 131, 103); 2 - well outflow: а - 41р, б - 59, в - 131; 3 - the main period of the hydrodynamic regime, its name, the number of wells producing water; I-III - period: I - non-uniform selection mode (5–8 wells), II - forced selection mode (7 wells), III - balanced operation (6 wells); 4 - the average total water withdrawal by the site for the hydrodynamic period (sub-period); 5 - levels by wells: a - 13, b - 102, c - 131, g - 41r, d - 59, e - 1, g - 128.

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5. Fig. 4. The optimal scheme of operation of the Upper Cretaceous-Lower Paleocene aquiferous complex of the Central Section of the Borzhomsky Field: 1 - production wells; 2 - observation wells of the monitoring system; 3 - design loads for production wells, m3 / day.

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