Analysis of the Influence of Perforating Parameters on Fracture Initiation and Propagation Based on Boundary Element

DOI

10.2991/978-94-6463-902-5_44How to use a DOI?

Keywords

boundary finite element method; fracturing initiation pressure; fracturing propagation; perforating azimuth angle; regularity analysis

Abstract

Perforation and fracturing parameters critically influence fracturing effectiveness, yet accurately predicting initiation pressure and fracture width remains challenging. This study establishes a comprehensive rock initiation criterion by integrating the Mohr-Coulomb and tensile truncation criteria, providing key technical support for optimizing perforation design and enhancing hydrocarbon recovery. Using advanced numerical modeling techniques, including ABAQUS Cohesive FEM and the extended finite element method (XFEM), a detailed 3D model of perforated reservoir rock was developed. Based on a case study from Southwest China, the model simulates the entire fracturing process, encompassing fluid injection, fracture initiation, propagation, and in-situ stress redistribution. Key findings demonstrate significant parameter effects. Perforation azimuth (θ) nonlinearly influences fracture propagation, with deflection increasing from 0°to 45°, decreasing from 45° to 90°, and proceeding straight at 90°. A critical perforation depth threshold was identified at 1.4m; beyond this, initiation pressure stabilizes and effectiveness becomes depth-independent. Increasing pump pressure from 80MPa to 95MPa drastically reduced initiation time from 17s to 5s, enhancing fracture efficiency. These results offer practical, quantitative guidelines for optimizing perforation parameters and fracture control, thereby contributing to improved recovery in similar reservoirs.

Copyright

© 2025 The Author(s)

Open Access

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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TY  - CONF
AU  - Runzhou Li
AU  - Xiaoli Yang
AU  - Pengcheng Tang
AU  - Lu Li
AU  - Mingfei Li
PY  - 2025
DA  - 2025/12/16
TI  - Analysis of the Influence of Perforating Parameters on Fracture Initiation and Propagation Based on Boundary Element
BT  - Proceedings of the 2025 7th International Conference on Civil Engineering, Environment Resources and Energy Materials (CCESEM 2025)
PB  - Atlantis Press
SP  - 442
EP  - 462
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6463-902-5_44
DO  - 10.2991/978-94-6463-902-5_44
ID  - Li2025
ER  -