Donghua Su

Title: Donghua Su: Innovator in Well Cementing Additives

Introduction

Donghua Su is a notable inventor based in Chengdu, China. He has made significant contributions to the field of well cementing through his innovative patent. His work focuses on enhancing the efficiency and effectiveness of cementing processes in the oil and gas industry.

Latest Patents

Donghua Su holds a patent for a "Low-molecular-weight composite contamination-resistant additive for well cementing." This invention includes a formulation that consists of 60-85 parts by mass of low-molecular-weight phosphonic acid polymer solution and 15-40 parts by mass of silicate solution. The silicate solution is characterized as a low-modulus silicate solution with a mass fraction of 25%-45%. The polymer solution is prepared from a combination of phosphonic acid group-containing monomer, rigid group-containing monomer, and carboxylic acid group-containing monomer. This innovative additive can form a stable slurry when mixed with drilling fluid, meeting contamination-resistant requirements under low addition conditions and significantly reducing the amount of spacer fluid used.

Career Highlights

Donghua Su is affiliated with Southwest Petroleum University, where he continues to contribute to research and development in the field of petroleum engineering. His work has been instrumental in advancing the technology used in well cementing, which is crucial for the integrity and safety of oil and gas wells.

Collaborations

He has collaborated with notable colleagues, including Sheng Huang and Yuan Gao, who have also contributed to advancements in the field. Their combined efforts have led to innovative solutions that address challenges in well cementing.

Conclusion

Donghua Su's contributions to the field of well cementing through his innovative patent demonstrate his commitment to advancing technology in the oil and gas industry. His work not only enhances the efficiency of cementing processes but also addresses critical contamination issues.