Comparative experimental investigation on permeability and pressure bearing capacity of different types of temporary plugging bodies

• DOI: 10.1016/j.uncres.2023.08.004
• Publication Date: 2023-08-24T16:26:08Z
• Authors: Zhicheng Zhou; Daobing Wang; Bo Zheng; Xiongfei Liu; Kai Yang
• Keywords: Experimental study; Temporary plugging agent; TJ807-830; Pressure bearing capacity; Temporary plugging and diversion fracturing; Energy conservation; 01 natural sciences; Permeability; TJ163.26-163.5; Renewable energy sources; 0105 earth and related environmental sciences

Temporary plugging and diversion fracturing technology play a vital role in boosting the production of tight reservoirs. The increase net pressure fractures is core temporary fracturing, which closely related to permeability aggregates. However, evolution bodies has received limited research attention. In this paper, novel experimental system for evaluating capacity agents firstly established. This device allows us measure critical parameters such as injection pressure, length body during experimentation. Additionally, we assess pressure-bearing agent using specialized setup temporarily fractures. Throughout experiment, collect data on time consumption at different levels volume injected liquid. Furthermore, conduct comparative analysis effects five types materials. Our results reveal some interesting findings. Pure granular CDD-1 does not effectively form substantial length, observe no significant relationship between body. contrast, materials mainly composed powder exhibit uniform body, blending both particles. Moreover, primarily formed by powder, mixtures particles, predominantly particle-based (with consideration powder) demonstrate lower permeability, rendering them more favorable purposes. study sheds light characteristics materials, contributing better understanding their efficacy applications. findings could inform selection optimization agents, ultimately enhancing efficiency success reservoir production.