The formation of hydrochemical indicators for the pay zones in the Surgut arch oil fields

The formation of hydrochemical indicators for the pay zones in the Surgut arch oil fields

The causes of the spatial variation in the hydrochemical indicators of groundwater in several oil fields in the Surgut arch of West Siberia are considered. On the basis of statistical processing of the database, including several thousand analyses of groundwater, histograms of the distribution of mi...

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Bibliographic Details
Published in:Moscow University geology bulletin Vol. 72; no. 3; pp. 215 - 223
Main Authors: Anisimov, L. A., Kireeva, T. A., Bankin, K. I., Krasnyashchikh, O. S., Lyamina, L. A.
Format: Journal Article
Language:English
Published: New York Allerton Press 01-05-2017
Springer Nature B.V
Subjects:
Composition
Earth and Environmental Science
Earth Sciences
Fields
Geology
Groundwater
Indicators
Inflow
Mineralization
Oil and gas fields
Oil fields
Spatial variations
stratum water of oil fields
hydrochemical inversion
hydrothermal water
elision water exchange
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Summary:The causes of the spatial variation in the hydrochemical indicators of groundwater in several oil fields in the Surgut arch of West Siberia are considered. On the basis of statistical processing of the database, including several thousand analyses of groundwater, histograms of the distribution of mineralization and concentrations of Ca 2+ and HCO 3 − ions through the main pay horizons of the fields are constructed. The influence of deep (hydrothermal) water inflow on the formation of the chemical composition of the stratum waters of oil fields, which is exhibited by an increasing content of HCO 3 − ion with depth, is substantiated.
ISSN:0145-8752
1934-8436
DOI:10.3103/S0145875217030024