Nanjing Yuwei Company has successfully developed soluble (degradable) temporary plugging ball for fracturing. The specific performance is described as follows:

1. Use in aqueous solutions or in environments containing water vapor;

2. The working temperature is 120℃, the temperature is directly proportional to the dissolving speed, and the total dissolution time is 3-5 days;

3. Compressive strength: 80Mpa;

4. Vacuum packaging;

5. High quality and low price;

6. Good temporary plugging performance, convenient construction, fast dissolution speed, high success rate of construction.