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Experimental study on the factors affecting cement bond strength at the second interface of oil-gas well.

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Title: Experimental study on the factors affecting cement bond strength at the second interface of oil-gas well.
Authors: Zhao, Zihao1 (AUTHOR), Li, Ming1 (AUTHOR) swpulm@126.com, Zhang, Zhihao1 (AUTHOR), Liu, Gang1 (AUTHOR), Zhou, Ping1 (AUTHOR), Guo, Cen1 (AUTHOR), Liu, Simeng1 (AUTHOR)
Source: Journal of Dispersion Science & Technology. 2026, Vol. 47 Issue 4, p649-659. 11p.
Subject Terms: *Cement slurry, *Cement, *Nanoparticles, *Oil well drilling, *Additives, *Silica nanoparticles
Abstract: The second interface of cementing refers to the interface formed by the formation and the cement sheath after cementing. The bonding strength of the second cementing interface is mainly generated through the interaction between the cement sheath and the formation. This study employs sandstone and limestone as experimental materials to investigate the influencing factors on the bonding strength of the second cementing interface by altering the water-cement ratio of the cement slurry system, adding ultrafine materials, and incorporating latex materials. In a progressive experimental approach, various types of cement slurries are selected, including pure cement slurry systems under different water-cement ratios (L1, L2), cement slurry systems with added nano-silica on the basis of pure cement systems (L3), and cement slurry systems with latex added (L4). The influence factors of the bonding strength of the second cementing interface of cement sheaths are explored through self-developed bonding strength evaluation molds and micro-characterization of the bonding interface. The results indicate that increasing the water-cement ratio or adding nano-silica can promote the generation of calcium silicate hydrate (C-S-H), resulting in higher early bonding strength but lower later strength under sandstone interfaces; the reaction of latex particles themselves to form a three-dimensional network structure can enhance the bonding strength. This research provides significant insights into the bonding laws of the second cementing interface and is of great importance to the cementing construction process. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 191985810
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Experimental study on the factors affecting cement bond strength at the second interface of oil-gas well.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Zhao%2C+Zihao%22">Zhao, Zihao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Ming%22">Li, Ming</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> swpulm@126.com</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Zhihao%22">Zhang, Zhihao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Gang%22">Liu, Gang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Ping%22">Zhou, Ping</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Guo%2C+Cen%22">Guo, Cen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Simeng%22">Liu, Simeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Journal+of+Dispersion+Science+%26+Technology%22">Journal of Dispersion Science & Technology</searchLink>. 2026, Vol. 47 Issue 4, p649-659. 11p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Cement+slurry%22">Cement slurry</searchLink><br />*<searchLink fieldCode="DE" term="%22Cement%22">Cement</searchLink><br />*<searchLink fieldCode="DE" term="%22Nanoparticles%22">Nanoparticles</searchLink><br />*<searchLink fieldCode="DE" term="%22Oil+well+drilling%22">Oil well drilling</searchLink><br />*<searchLink fieldCode="DE" term="%22Additives%22">Additives</searchLink><br />*<searchLink fieldCode="DE" term="%22Silica+nanoparticles%22">Silica nanoparticles</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The second interface of cementing refers to the interface formed by the formation and the cement sheath after cementing. The bonding strength of the second cementing interface is mainly generated through the interaction between the cement sheath and the formation. This study employs sandstone and limestone as experimental materials to investigate the influencing factors on the bonding strength of the second cementing interface by altering the water-cement ratio of the cement slurry system, adding ultrafine materials, and incorporating latex materials. In a progressive experimental approach, various types of cement slurries are selected, including pure cement slurry systems under different water-cement ratios (L1, L2), cement slurry systems with added nano-silica on the basis of pure cement systems (L3), and cement slurry systems with latex added (L4). The influence factors of the bonding strength of the second cementing interface of cement sheaths are explored through self-developed bonding strength evaluation molds and micro-characterization of the bonding interface. The results indicate that increasing the water-cement ratio or adding nano-silica can promote the generation of calcium silicate hydrate (C-S-H), resulting in higher early bonding strength but lower later strength under sandstone interfaces; the reaction of latex particles themselves to form a three-dimensional network structure can enhance the bonding strength. This research provides significant insights into the bonding laws of the second cementing interface and is of great importance to the cementing construction process. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1080/01932691.2024.2419881
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 649
    Subjects:
      – SubjectFull: Cement slurry
        Type: general
      – SubjectFull: Cement
        Type: general
      – SubjectFull: Nanoparticles
        Type: general
      – SubjectFull: Oil well drilling
        Type: general
      – SubjectFull: Additives
        Type: general
      – SubjectFull: Silica nanoparticles
        Type: general
    Titles:
      – TitleFull: Experimental study on the factors affecting cement bond strength at the second interface of oil-gas well.
        Type: main
  BibRelationships:
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      – PersonEntity:
          Name:
            NameFull: Zhao, Zihao
      – PersonEntity:
          Name:
            NameFull: Li, Ming
      – PersonEntity:
          Name:
            NameFull: Zhang, Zhihao
      – PersonEntity:
          Name:
            NameFull: Liu, Gang
      – PersonEntity:
          Name:
            NameFull: Zhou, Ping
      – PersonEntity:
          Name:
            NameFull: Guo, Cen
      – PersonEntity:
          Name:
            NameFull: Liu, Simeng
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          Dates:
            – D: 01
              M: 03
              Text: 2026
              Type: published
              Y: 2026
          Identifiers:
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              Value: 01932691
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            – Type: volume
              Value: 47
            – Type: issue
              Value: 4
          Titles:
            – TitleFull: Journal of Dispersion Science & Technology
              Type: main
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