Study on Proppant Transport and Placement in Shale Gas Main Fractures

Tiancheng Liang, Nailing Xiu, Haifeng Fu, Yinlin Jian (), Tao Zhang, Xingyang Du and Zhicheng Tu
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Tiancheng Liang: Research Institute of Petroleum Exploration and Development, Beijing 100083, China
Nailing Xiu: Research Institute of Petroleum Exploration and Development, Beijing 100083, China
Haifeng Fu: Research Institute of Petroleum Exploration and Development, Beijing 100083, China
Yinlin Jian: Petroleum Engineering School, Southwest Petroleum University, Chengdu 610000, China
Tao Zhang: Petroleum Engineering School, Southwest Petroleum University, Chengdu 610000, China
Xingyang Du: Petroleum Engineering School, Southwest Petroleum University, Chengdu 610000, China
Zhicheng Tu: Petroleum Engineering School, Southwest Petroleum University, Chengdu 610000, China

Energies, 2024, vol. 17, issue 7, 1-15

Abstract: In this paper, based on the background of a deep shale reservoir, a solid–liquid two-phase flow model suitable for proppant and fracturing fluid flow was established based on the Euler method, and a large-scale fracture model was established. Based on field parameters, a proppant transport experiment was conducted. Then, on the basis of the experimental fracture model, proppant transport simulation under different influencing factors was carried out. The results show that the laboratory experiment was in good agreement with the simulated results. The process of proppant accumulation in fractures can be divided into three stages according to the characteristics of sand banks. The displacement mainly affects the sedimentation distance of the proppant in the first stage, and the viscosity of the fracturing fluid represents the strength of the fluid sand carrying performance. Compared with 40/70 mesh proppant, 70/140 mesh proppant is more easily fluidizable, the fracture width has less influence on proppant migration and placement, and the perforation location only affects the accumulation pattern at the fracture entrance, but has less influence on proppant placement in the remote well zone.

Keywords: shale gas; the main fracture; numerical simulation; proppant migration and placement; influencing factors (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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