This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Cnpc Engineering Technology R&d Company Limited, China National Petroleum Corporation, Petrochina Company Limited. Active years: 2024-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
4 out of 22 
3 out of 95 
1 out of 172 
Years Active: 2024-2026
Title: Innovations of Hongfei Ji in Cement Slurry Systems
Introduction
Hongfei Ji is a notable inventor based in Beijing, China. He has made significant contributions to the field of oil and gas exploitation through his innovative patents. With a total of two patents to his name, Ji's work focuses on enhancing cement slurry systems.
Latest Patents
Hongfei Ji's latest patents include a cement slurry system and a method for improving well cementing quality. The first patent relates to an early strength material suitable for a cement slurry system. This material contains an aluminum salt, a sodium salt, crystal whiskers, an inorganic mineral, and a dispersing agent, with specific weight ratios to optimize performance. The invention aims to provide both high-temperature retarding performance and low-temperature early strength performance, thereby improving the overall quality of cementing in oil and gas wells. The second patent describes a well cementing method that enhances cementing quality by controlling the hydration heat of the cement slurry. This method improves the binding quality between the cement and the interfaces, ultimately leading to better cementing quality and reduced risks in oil and gas wells.
Career Highlights
Throughout his career, Hongfei Ji has worked with prominent companies in the industry, including CNPC Engineering Technology R&D Company Limited and PetroChina Company Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas in cement slurry technology.
Collaborations
Hongfei Ji has collaborated with notable colleagues such as Shuoqiong Liu and Hua Zhang. Their combined expertise has contributed to advancements in the field of cement slurry systems.
Conclusion
Hongfei Ji's contributions to cement slurry systems demonstrate his commitment to innovation in the oil and gas industry. His patents reflect a deep understanding of the technical challenges faced in well cementing, and his work continues to influence the field positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile