Inter-Well Connectivity Estimation Using Continuous Wavelet Transform: A Novel Approach.

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Title: Inter-Well Connectivity Estimation Using Continuous Wavelet Transform: A Novel Approach.
Authors: Gabry, Mohamed Adel1 (AUTHOR) agramadan1@cougarnet.uh.edu, Ramadan, Amr1 (AUTHOR), Soliman, Mohamed Y.1 (AUTHOR) msoliman@central.uh.edu
Source: Energies (19961073). May2026, Vol. 19 Issue 9, p2211. 40p.
Subject Terms: *Wavelet transforms, *Enhanced oil recovery, *Wavelets (Mathematics), *Reservoir ecology
Abstract: This study presents a wavelet-based framework for mapping inter-well connectivity (IWC) between multiple injectors and producers to support waterflood optimization. The method applies Cross-Wavelet Transform Coherence (CrWTC) with a complex Morlet wavelet to injection and production rate data, enabling the time-localized and frequency-dependent identification of dynamic injector–producer communication. The novelty of this work lies in continuous coherence mapping, the use of the complex Morlet wavelet for improved sensitivity to nonstationary responses, continuous updating as new data become available, and benchmarking on both the Volve and COSTA datasets. Validation using reservoir simulation and field data showed strong qualitative agreement with expected connectivity behavior and demonstrated clearer tracking of connectivity evolution and waterfront movement than the Capacitance Resistance Method (CRM). The proposed approach improves the reliability and interpretability of IWC assessment and offers a practical tool for reservoir surveillance and waterflood management. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 193716107
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Inter-Well Connectivity Estimation Using Continuous Wavelet Transform: A Novel Approach.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Gabry%2C+Mohamed+Adel%22">Gabry, Mohamed Adel</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> agramadan1@cougarnet.uh.edu</i><br /><searchLink fieldCode="AR" term="%22Ramadan%2C+Amr%22">Ramadan, Amr</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Soliman%2C+Mohamed+Y%2E%22">Soliman, Mohamed Y.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> msoliman@central.uh.edu</i>
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  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. May2026, Vol. 19 Issue 9, p2211. 40p.
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  Data: *<searchLink fieldCode="DE" term="%22Wavelet+transforms%22">Wavelet transforms</searchLink><br />*<searchLink fieldCode="DE" term="%22Enhanced+oil+recovery%22">Enhanced oil recovery</searchLink><br />*<searchLink fieldCode="DE" term="%22Wavelets+%28Mathematics%29%22">Wavelets (Mathematics)</searchLink><br />*<searchLink fieldCode="DE" term="%22Reservoir+ecology%22">Reservoir ecology</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study presents a wavelet-based framework for mapping inter-well connectivity (IWC) between multiple injectors and producers to support waterflood optimization. The method applies Cross-Wavelet Transform Coherence (CrWTC) with a complex Morlet wavelet to injection and production rate data, enabling the time-localized and frequency-dependent identification of dynamic injector–producer communication. The novelty of this work lies in continuous coherence mapping, the use of the complex Morlet wavelet for improved sensitivity to nonstationary responses, continuous updating as new data become available, and benchmarking on both the Volve and COSTA datasets. Validation using reservoir simulation and field data showed strong qualitative agreement with expected connectivity behavior and demonstrated clearer tracking of connectivity evolution and waterfront movement than the Capacitance Resistance Method (CRM). The proposed approach improves the reliability and interpretability of IWC assessment and offers a practical tool for reservoir surveillance and waterflood management. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.3390/en19092211
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 40
        StartPage: 2211
    Subjects:
      – SubjectFull: Wavelet transforms
        Type: general
      – SubjectFull: Enhanced oil recovery
        Type: general
      – SubjectFull: Wavelets (Mathematics)
        Type: general
      – SubjectFull: Reservoir ecology
        Type: general
    Titles:
      – TitleFull: Inter-Well Connectivity Estimation Using Continuous Wavelet Transform: A Novel Approach.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Gabry, Mohamed Adel
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            NameFull: Ramadan, Amr
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            NameFull: Soliman, Mohamed Y.
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            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
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              Value: 19
            – Type: issue
              Value: 9
          Titles:
            – TitleFull: Energies (19961073)
              Type: main
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