Main Control Factors and Laws of Perforation Erosion in Volume Fracturing

doi:10.12388/j.issn.1673-2677.2026.01.009

Abstract

Abstract: Volume fracturing is one of the key technologies for the efficient development of unconventional oil and gas resources. At present，volume fracturing has entered the stage with the core characteristics of multi-cluster，small cluster spacing，limited entry perforating，temporary plugging diversion，high injection rates and high-intensity proppant injection. Perforation erosion is serious in cases of high injection pressure，high injection rates and high sand concentrations. This leads to high likelihood of failure of temporary plugging and limited entry and consequently high difficulties in delivering spontaneous initiation and uniform propagation of fractures due to competitive fluid attraction among perforation clusters within one fracturing stage，which is practically restraining the safe and high-efficiency development of unconventional oil and gas. A global literature review of the studies on perforation erosion in both China and other countries is performed. The theoretical models of perforation erosion are summarized，and the research status of perforation erosion is analyzed. The causes of perforation erosion during large-scale propped fracturing are discussed，the factors affecting perforation erosion are identified，and the countermeasure strategies are proposed. Clarifying the main factors controlling perforation erosion and the corresponding laws and developing protective measures are of great engineering significance for the efficient development of unconventional hydrocarbon resources.

Key words: unconventional oil and gas, volume fracturing, perforation erosion, fracture propagation, temporary plugging diversion fracturing

摘要： 体积压裂是效益开发非常规油气资源的关键技术之一。目前体积压裂技术已进入以段内多簇、小簇间距、限流射孔、暂堵转向、大排量泵注以及高强度加砂等工艺为核心的阶段，但在高泵压、高排量、高砂比下射孔孔眼冲蚀严重，易造成暂堵失败和限流失效，致使段内射孔簇间流体竞争进液，导致裂缝难以同步起裂及均衡扩展，已成为制约非常规油气安全、高效开发的客观难题之一。通过对国内外射孔孔眼冲蚀相关文献的梳理，总结国内外射孔孔眼冲蚀理论模型，分析射孔孔眼冲蚀的研究现状，探讨了大规模加砂压裂过程中射孔孔眼冲蚀的原因，厘清射孔孔眼冲蚀的影响因素并提出冲蚀防护的方向。明确射孔孔眼冲蚀的主控因素及其影响规律，以及冲蚀防护的措施对高效开发非常规油气资源具有重要的工程意义。

关键词: 非常规油气, 体积压裂, 射孔孔眼冲蚀, 裂缝扩展, 暂堵转向压裂

CLC Number:

TE357

WANG Bo, LI Huan, YAN Tingwei, ZHOU Lintai, SHENG Shaopeng, ZHOU Fujian. Main Control Factors and Laws of Perforation Erosion in Volume Fracturing[J]. Xinjiang Oil & Gas, 2026, 22(1): 78-87.

王博, 李欢, 颜廷巍, 周麟泰, 盛少鹏, 周福建. 体积压裂中射孔孔眼冲蚀的主控因素及冲蚀规律[J]. 新疆石油天然气, 2026, 22(1): 78-87.

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