Company Filing History:
2 out of 3 
1 out of 832,966 Years Active: 2017-2020
Title: Qizun Yi: Innovator in Oil Recovery Technologies
Introduction
Qizun Yi is a notable inventor based in Beijing, China. He has made significant contributions to the field of oil recovery technologies, holding a total of 2 patents. His innovative designs address critical challenges in the industry, particularly in enhancing the reliability and efficiency of oil extraction processes.
Latest Patents
One of Qizun Yi's latest patents is a sand control screen for heavy oil thermal recovery. This invention includes a core base pipe with multiple base-pipe holes, a filtering sleeve, and a non-welded support disk. The design aims to improve reliability in high-temperature conditions, thereby reducing safety risks associated with downhole sand control operations. Additionally, the sand control screen boasts a long service life, enhancing the cost-effectiveness of oil wells.
Another significant patent is the liner hanger top packer. This device comprises a body, an adjusting sleeve, a retaining apparatus, a base-sealing apparatus, a base-hanging apparatus, and a locking mechanism. The innovative locking mechanism utilizes a steel ball to restrict relative axial movements, ensuring that friction is effectively managed. This design enhances the operational efficiency of the liner hanger top packer in challenging environments.
Career Highlights
Qizun Yi has worked with Starse Energy and Technology Group Co., Ltd, where he has applied his expertise in developing advanced oil recovery solutions. His work has contributed to the advancement of technologies that improve the safety and efficiency of oil extraction processes.
Collaborations
Throughout his career, Qizun Yi has collaborated with talented individuals such as Huian Yi and Boren Li. These partnerships have fostered innovation and the development of cutting-edge technologies in the oil recovery sector.
Conclusion
Qizun Yi's contributions to the field of oil recovery technologies demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the challenges faced in the industry and provide effective solutions that enhance operational efficiency and safety.