Oil reservoirs of the crystalline basement of the White Tiger field

Analysis of tectonics and rock petrotypes of The White Tiger oil field (the Southern Vietnamese shelf), and logs data of 165 wells revealed tectonic and petrological factors of formation and intensity of the secondary cavitation in the basement reservoirs. Studying of the pore space of rock reservo...

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Main Authors: H. B. Nguen, V.I. Isaev
Format: Article
Language:English
Published: Subbotin Institute of Geophysics of the National Academy of Sciences of Ukraine 2017-11-01
Series:Геофизический журнал
Subjects:
Online Access:https://journals.uran.ua/geofizicheskiy/article/view/116363
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author H. B. Nguen
V.I. Isaev
author_facet H. B. Nguen
V.I. Isaev
author_sort H. B. Nguen
collection DOAJ
description Analysis of tectonics and rock petrotypes of The White Tiger oil field (the Southern Vietnamese shelf), and logs data of 165 wells revealed tectonic and petrological factors of formation and intensity of the secondary cavitation in the basement reservoirs. Studying of the pore space of rock reservoirs by the wells logging method is primarily based on acoustic and electric characteristics of the matrix porosity, fractures and caverns. The consistent pattern of variability (reduction) of porosity with depth was revealed. This pattern occurs in all selected geological blocks. The major factor causing the formation of the secondary cavitation in basement rocks is the tectonic factor, which reduces its influence with depth. The tectonic factor has the greatest influence on rocks of the Central and Northern blocks. An important factor causing the pattern of the porosity allocation is the allocation of rock petrotypes related with the direction and intensity of the secondary cavitation of rock reservoirs. Significant specific yield dependencies on the secondary cavitation determined by logs data were found for rock reservoirs of the basement in the Central and Northern blocks.
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spelling doaj-art-c59b4daf2f364960b2f8c39ff0e1682f2025-06-27T10:12:42ZengSubbotin Institute of Geophysics of the National Academy of Sciences of UkraineГеофизический журнал0203-31002524-10522017-11-0139610.24028/gzh.0203-3100.v39i6.2017.116363Oil reservoirs of the crystalline basement of the White Tiger fieldH. B. Nguen0V.I. Isaev1OOO "Joint company "RUSVETPETRO"Tomsk Polytechnic University Analysis of tectonics and rock petrotypes of The White Tiger oil field (the Southern Vietnamese shelf), and logs data of 165 wells revealed tectonic and petrological factors of formation and intensity of the secondary cavitation in the basement reservoirs. Studying of the pore space of rock reservoirs by the wells logging method is primarily based on acoustic and electric characteristics of the matrix porosity, fractures and caverns. The consistent pattern of variability (reduction) of porosity with depth was revealed. This pattern occurs in all selected geological blocks. The major factor causing the formation of the secondary cavitation in basement rocks is the tectonic factor, which reduces its influence with depth. The tectonic factor has the greatest influence on rocks of the Central and Northern blocks. An important factor causing the pattern of the porosity allocation is the allocation of rock petrotypes related with the direction and intensity of the secondary cavitation of rock reservoirs. Significant specific yield dependencies on the secondary cavitation determined by logs data were found for rock reservoirs of the basement in the Central and Northern blocks. https://journals.uran.ua/geofizicheskiy/article/view/116363The White Tiger fieldoil reservoirs of the basementtectonicspetrotypescavitationlogging
spellingShingle H. B. Nguen
V.I. Isaev
Oil reservoirs of the crystalline basement of the White Tiger field
Геофизический журнал
The White Tiger field
oil reservoirs of the basement
tectonics
petrotypes
cavitation
logging
title Oil reservoirs of the crystalline basement of the White Tiger field
title_full Oil reservoirs of the crystalline basement of the White Tiger field
title_fullStr Oil reservoirs of the crystalline basement of the White Tiger field
title_full_unstemmed Oil reservoirs of the crystalline basement of the White Tiger field
title_short Oil reservoirs of the crystalline basement of the White Tiger field
title_sort oil reservoirs of the crystalline basement of the white tiger field
topic The White Tiger field
oil reservoirs of the basement
tectonics
petrotypes
cavitation
logging
url https://journals.uran.ua/geofizicheskiy/article/view/116363
work_keys_str_mv AT hbnguen oilreservoirsofthecrystallinebasementofthewhitetigerfield
AT viisaev oilreservoirsofthecrystallinebasementofthewhitetigerfield