Limin Xu

Title: Limin Xu: Innovator in Enhanced Oil Recovery Technologies

Introduction

Limin Xu is a prominent inventor based in Beijing, China, known for his significant contributions to the field of enhanced oil recovery (EOR). With a total of 7 patents, Xu has developed innovative solutions that address critical challenges in oil extraction processes.

Latest Patents

Among his latest patents, Xu has created surfactant mixtures for enhanced oil recovery. This system and method involve making and using an EOR fluid that includes a base fluid and an anionic-nonionic surfactant. The surfactant options include sodium alkylphenol ethoxylate carboxylate (APEC), sodium alkyl ethoxylate carboxylate (AEC), sodium alkylphenol ethoxylate sulfate (APES), or sodium alkyl ethoxylate sulfate (AES). Additionally, a second surfactant is included, which is a cationic surfactant comprising an alkyl pyridine salt. Another notable patent focuses on thermal stimuli-responsive surfactants for enhanced oil recovery. This innovation relates to surfactant mixtures that effectively reduce water/oil interfacial tension at high temperatures while increasing it at low temperatures, along with methods for their application in EOR.

Career Highlights

Limin Xu has worked with notable companies in the industry, including Saudi Arabian Oil Company and Wanhua Chemical (Ningbo) Co., Ltd. His experience in these organizations has allowed him to refine his expertise in surfactant technology and its applications in oil recovery.

Collaborations

Throughout his career, Xu has collaborated with talented professionals, including Ming Han and Xuan Zhang. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Limin Xu's innovative work in enhanced oil recovery technologies showcases his commitment to improving oil extraction methods. His patents reflect a deep understanding of surfactant chemistry and its practical applications in the energy sector.