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Study on the Law of Multi‐Fracture Propagation in Different Fracturing Fluid Viscosity.

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Title: Study on the Law of Multi‐Fracture Propagation in Different Fracturing Fluid Viscosity.
Authors: Zhang, Zhixing1 (AUTHOR), Fu, Xiang1,2,3 (AUTHOR), Liu, Yuedong4 (AUTHOR), Zhang, Xiaoqiang1 (AUTHOR) tyzxq2009@163.com, Jiang, Yulong1,2,5 (AUTHOR)
Source: Energy Science & Engineering. Mar2026, Vol. 14 Issue 3, p1339-1352. 14p.
Subject Terms: *Fracturing fluids, *Crack propagation, *Acoustic emission testing, *Stress concentration, *Crack initiation (Fracture mechanics)
Abstract: Using the TCHFSM‐I large‐scale accurate triaxial fracturing seepage simulation device independently developed, acoustic emission monitoring system and high‐temperature–high‐pressure dynamic flowmeter, the fracturing multi‐fracture synchronous propagation law of different viscosity fracturing fluids was studied with homogeneous cement mortar specimens as the object. The results show that (1) fracturing fluid's viscosity significantly affects the synchronous propagation of multiple fractures, especially when the perforation distance is small. Decreasing the viscosity of the fracturing fluid can reduce the effect of stress shadow and make the multi‐fracture propagation more balanced. (2) Under different fracturing fluid viscosity conditions, the evolution characteristics of injection pressure are significantly different. Reducing the viscosity of the fracturing fluid can reduce the initiation pressure, but the initiation time becomes longer to a certain extent. (3) The fracturing process can be divided into three stages: supplementary filtration, energy accumulation‐failure, and energy remnant. Each stage's acoustic emission event location map can well reflect the fracture propagation law. In the fracturing operation, the viscosity of the fracturing fluid can be reduced appropriately, and the fracturing effect can be improved. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 192224218
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PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Study on the Law of Multi‐Fracture Propagation in Different Fracturing Fluid Viscosity.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Zhixing%22">Zhang, Zhixing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fu%2C+Xiang%22">Fu, Xiang</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Yuedong%22">Liu, Yuedong</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Xiaoqiang%22">Zhang, Xiaoqiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> tyzxq2009@163.com</i><br /><searchLink fieldCode="AR" term="%22Jiang%2C+Yulong%22">Jiang, Yulong</searchLink><relatesTo>1,2,5</relatesTo> (AUTHOR)
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  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Energy+Science+%26+Engineering%22">Energy Science & Engineering</searchLink>. Mar2026, Vol. 14 Issue 3, p1339-1352. 14p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Fracturing+fluids%22">Fracturing fluids</searchLink><br />*<searchLink fieldCode="DE" term="%22Crack+propagation%22">Crack propagation</searchLink><br />*<searchLink fieldCode="DE" term="%22Acoustic+emission+testing%22">Acoustic emission testing</searchLink><br />*<searchLink fieldCode="DE" term="%22Stress+concentration%22">Stress concentration</searchLink><br />*<searchLink fieldCode="DE" term="%22Crack+initiation+%28Fracture+mechanics%29%22">Crack initiation (Fracture mechanics)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Using the TCHFSM‐I large‐scale accurate triaxial fracturing seepage simulation device independently developed, acoustic emission monitoring system and high‐temperature–high‐pressure dynamic flowmeter, the fracturing multi‐fracture synchronous propagation law of different viscosity fracturing fluids was studied with homogeneous cement mortar specimens as the object. The results show that (1) fracturing fluid's viscosity significantly affects the synchronous propagation of multiple fractures, especially when the perforation distance is small. Decreasing the viscosity of the fracturing fluid can reduce the effect of stress shadow and make the multi‐fracture propagation more balanced. (2) Under different fracturing fluid viscosity conditions, the evolution characteristics of injection pressure are significantly different. Reducing the viscosity of the fracturing fluid can reduce the initiation pressure, but the initiation time becomes longer to a certain extent. (3) The fracturing process can be divided into three stages: supplementary filtration, energy accumulation‐failure, and energy remnant. Each stage's acoustic emission event location map can well reflect the fracture propagation law. In the fracturing operation, the viscosity of the fracturing fluid can be reduced appropriately, and the fracturing effect can be improved. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1002/ese3.70420
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 14
        StartPage: 1339
    Subjects:
      – SubjectFull: Fracturing fluids
        Type: general
      – SubjectFull: Crack propagation
        Type: general
      – SubjectFull: Acoustic emission testing
        Type: general
      – SubjectFull: Stress concentration
        Type: general
      – SubjectFull: Crack initiation (Fracture mechanics)
        Type: general
    Titles:
      – TitleFull: Study on the Law of Multi‐Fracture Propagation in Different Fracturing Fluid Viscosity.
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            NameFull: Zhang, Zhixing
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            NameFull: Fu, Xiang
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            NameFull: Liu, Yuedong
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            NameFull: Zhang, Xiaoqiang
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            NameFull: Jiang, Yulong
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          Dates:
            – D: 01
              M: 03
              Text: Mar2026
              Type: published
              Y: 2026
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              Value: 14
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              Value: 3
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            – TitleFull: Energy Science & Engineering
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