Journal of Failure Analysis and Prevention

, Volume 18, Issue 2, pp 382–391 | Cite as

Experimental Study on Particle Erosion Failure of Abrupt Pipe Contraction in Hydraulic Fracturing

  • Jiarui Cheng
  • Yihua Dou
  • Jiding Zhang
  • Ningsheng Zhang
  • Zhen Li
  • Zhiguo Wang
Technical Article---Peer-Reviewed
  • 48 Downloads

Abstract

Erosion damage is one of the main factors leading to failure of pipeline in oil field, especially for sudden contraction section under solid–liquid two-phase flow in hydraulic fracturing. In this article, a laboratory experiment was carried out to analyze the effects of pipe flow velocity, particle concentration and pipe inner diameter ratio on particle erosion of the reducing wall in high-viscosity liquid. The results show that the erosion rate and erosion distribution are different not only in radial direction but also in circumferential direction of the sample. The upper part of sample always has a minimum erosion rate and erosion area. Besides, the erosion rate of reducing wall is most affected by fluid flow velocity, and the erosion area is most sensitive to the change in the diameter ratio. Meanwhile, the erosion rate of reducing wall in cross-linked fracturing fluid is mainly determined by the fluid flowing state due to the high viscosity of the liquid. In general, the increase in flow velocity and diameter ratio not only causes the expansion of erosion-affected flow region in sudden contraction section, but also leads to more particles impact the wall.

Keywords

Sudden contraction pipe Water-based fracturing fluid Particle erosion test Erosion dominant factor Erosion prediction 

Notes

Acknowledgments

This work was supported by the National Natural Science Foundation of China (Grant No. 51674199), and it was also performed by the Research Institute of Safety Evaluation and Control of Completion Test System.

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Copyright information

© ASM International 2018

Authors and Affiliations

  • Jiarui Cheng
    • 1
  • Yihua Dou
    • 2
  • Jiding Zhang
    • 2
  • Ningsheng Zhang
    • 3
  • Zhen Li
    • 2
  • Zhiguo Wang
    • 2
  1. 1.State Key Laboratory of Multiphase Flow in Power EngineeringXi’an Jiaotong UniversityXi’anPeople’s Republic of China
  2. 2.Department of Mechanical EngineeringXi’an Shiyou UniversityXi’anPeople’s Republic of China
  3. 3.Department of Petroleum EngineeringXi’an Shiyou UniversityXi’anPeople’s Republic of China

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