Doudou Wang

Title: Doudou Wang: Innovator in Sealing Gel Technology

Introduction

Doudou Wang is a notable inventor based in Qingdao, China. He has made significant contributions to the field of well cementation through his innovative patent. His work focuses on developing a sealing gel with delayed gelation properties, which is crucial for enhancing the efficiency of well cementation processes.

Latest Patents

Doudou Wang holds a patent for a "Sealing gel with delayed gelation for well cementation, preparation method, and application." This sealing gel comprises 2-3 parts of anionic polyacrylamide, 3-4 parts of cationic acrylamide, 1 part of stabilizer, 1 part of cross-linking agent, and 6 parts of distilled water. The stabilizer is created through the reaction of citric acid and ethylenediaminetetraacetic acid disodium, while the cross-linking agent results from the reaction of chromium lactate and chromium nicotinate. This innovative gel is designed to have pH sensitivity, which prolongs the gelation time, allowing it to be effectively added to the pre-liquid system.

Career Highlights

Doudou Wang has worked at prominent institutions such as China University of Petroleum and Qingdao University of Technology. His academic and research endeavors have significantly contributed to advancements in cementation technology.

Collaborations

Doudou Wang has collaborated with notable colleagues, including Chang Lu and Huajie Liu. Their combined expertise has furthered the development of innovative solutions in the field.

Conclusion

Doudou Wang's contributions to sealing gel technology exemplify the importance of innovation in well cementation. His patent reflects a significant advancement in the industry, showcasing his dedication to improving cementation processes.