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Mechanism of microorganisms to relieve reservoir water sensitivity damage.

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Title: Mechanism of microorganisms to relieve reservoir water sensitivity damage.
Authors: Shu, C. C.1,2 (AUTHOR), Qu, R. X.1,2 (AUTHOR), Li, Y.2,3 (AUTHOR), Zheng, A. Y.2,3 (AUTHOR), Liu, T. Y.1,2 (AUTHOR), Dong, H.1,3 (AUTHOR), Zhao, H.1,2 (AUTHOR), Zhang, F.4 (AUTHOR), She, Y. H.1,2 (AUTHOR), Sun, S. S.1,2,3 (AUTHOR) sssun33@163.com
Source: Petroleum Science & Technology. 2024, Vol. 42 Issue 24, p3616-3629. 14p.
Subjects: Fourier transform infrared spectroscopy, Clay minerals, Water damage, Reservoir rocks, Minerals in water
Abstract: Reservoir water sensitivity damage means that the contact between the external fluid and reservoir rock lead to the hydration, expansion, dispersion, and migration of clay minerals, thereby reducing the formation permeability and causing damage to the reservoir. In this study, the transformation of smectite to illite (S-I) is promoted by endogenous microorganisms to achieve anti-swelling of the clay minerals and reduce the water sensitivity damage of the reservoir. The microbial community reducing Fe(III) was enriched from the samples of Karamay Oilfield, Xinjiang, and microbial community diversity was analyzed by the 16S rRNA gene sequencing. The Fe(II) ion concentration in the interaction medium was monitored, and the maximum iron reduction rates reached 60.2%. The structural changes of smectite before and after microbial treatment were observed by Fourier transform infrared spectroscopy, X-ray diffraction, and scanning electron microscopy. The result demonstrated that the reduction of Fe(III) was accompanied by the transformation of S-I. There may be some endogenous microorganisms that transform S-I in low permeability reservoirs. This study is of great significance for oilfields to realize clay mineral anti-swelling and eliminate reservoir water sensitivity damage by endogenous microorganisms. [ABSTRACT FROM AUTHOR]
Copyright of Petroleum Science & Technology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 180134684
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Mechanism of microorganisms to relieve reservoir water sensitivity damage.
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  Data: <searchLink fieldCode="AR" term="%22Shu%2C+C%2E+C%2E%22">Shu, C. C.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Qu%2C+R%2E+X%2E%22">Qu, R. X.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Y%2E%22">Li, Y.</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zheng%2C+A%2E+Y%2E%22">Zheng, A. Y.</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+T%2E+Y%2E%22">Liu, T. Y.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dong%2C+H%2E%22">Dong, H.</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+H%2E%22">Zhao, H.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+F%2E%22">Zhang, F.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22She%2C+Y%2E+H%2E%22">She, Y. H.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sun%2C+S%2E+S%2E%22">Sun, S. S.</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<i> sssun33@163.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Petroleum+Science+%26+Technology%22">Petroleum Science & Technology</searchLink>. 2024, Vol. 42 Issue 24, p3616-3629. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Fourier+transform+infrared+spectroscopy%22">Fourier transform infrared spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Clay+minerals%22">Clay minerals</searchLink><br /><searchLink fieldCode="DE" term="%22Water+damage%22">Water damage</searchLink><br /><searchLink fieldCode="DE" term="%22Reservoir+rocks%22">Reservoir rocks</searchLink><br /><searchLink fieldCode="DE" term="%22Minerals+in+water%22">Minerals in water</searchLink>
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  Data: Reservoir water sensitivity damage means that the contact between the external fluid and reservoir rock lead to the hydration, expansion, dispersion, and migration of clay minerals, thereby reducing the formation permeability and causing damage to the reservoir. In this study, the transformation of smectite to illite (S-I) is promoted by endogenous microorganisms to achieve anti-swelling of the clay minerals and reduce the water sensitivity damage of the reservoir. The microbial community reducing Fe(III) was enriched from the samples of Karamay Oilfield, Xinjiang, and microbial community diversity was analyzed by the 16S rRNA gene sequencing. The Fe(II) ion concentration in the interaction medium was monitored, and the maximum iron reduction rates reached 60.2%. The structural changes of smectite before and after microbial treatment were observed by Fourier transform infrared spectroscopy, X-ray diffraction, and scanning electron microscopy. The result demonstrated that the reduction of Fe(III) was accompanied by the transformation of S-I. There may be some endogenous microorganisms that transform S-I in low permeability reservoirs. This study is of great significance for oilfields to realize clay mineral anti-swelling and eliminate reservoir water sensitivity damage by endogenous microorganisms. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Petroleum Science & Technology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1080/10916466.2023.2209149
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        Text: English
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        PageCount: 14
        StartPage: 3616
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      – SubjectFull: Fourier transform infrared spectroscopy
        Type: general
      – SubjectFull: Clay minerals
        Type: general
      – SubjectFull: Water damage
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      – SubjectFull: Reservoir rocks
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      – SubjectFull: Minerals in water
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      – TitleFull: Mechanism of microorganisms to relieve reservoir water sensitivity damage.
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              Text: 2024
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