Dan Long

Title: Dan Long - Innovator in Well Cementation Solutions

Introduction

Dan Long is a notable inventor based in Chengdu, China. He has made significant contributions to the field of well cementation through his innovative solutions. His work focuses on utilizing waste materials to create effective cementation solutions for drilling applications.

Latest Patents

Dan Long holds a patent for a well cementation working solution prepared from red mud, slag, and waste drilling fluids. This innovative solution is composed of various components, including 100 parts of waste drilling fluids, 50-100 parts of slag, 5-50 parts of red mud, 4-7 parts of a suspension stabilizer, 1-7 parts of an activating aid, 0.5-5 parts of an anti-pollution agent, and 0.4-3.5 parts of a diluent. The waste drilling fluids are derived from waterborne drilling processes, while the slag can be either blast furnace slag or vanadium-titanium slag. The suspension stabilizer may include sodium bentonite, carboxymethyl cellulose, or a mixture of both. The activating aid consists of sodium metasilicate nonahydrate, sodium carbonate, or a combination of these substances. The anti-pollution agent can be sodium salicylate, potassium citrate, or a mixture of both, and the diluent is sodium lignin sulfonate.

Career Highlights

Dan Long has worked with prominent institutions such as Southwest Petroleum University and the China Academy of Building Research. His experience in these organizations has allowed him to develop and refine his innovative solutions in well cementation.

Collaborations

Dan has collaborated with notable colleagues, including Xiaowei Cheng and Kaiyuan Mei, who have contributed to his research and development efforts.

Conclusion

Dan Long's innovative approach to well cementation solutions showcases his commitment to utilizing waste materials for effective applications in the drilling industry. His contributions are paving the way for more sustainable practices in this field.