Company Filing History:
Years Active: 2013
Title: The Innovative Contributions of Charles Zhang
Introduction
Charles Zhang is a notable inventor based in Beijing, China. He has made significant contributions to the field of cement formulations, particularly in the context of cementing earth boreholes. His innovative approach addresses critical challenges in the oil, gas, and terrestrial heat industries.
Latest Patents
Charles Zhang holds a patent for a dry cement formulation designed for cementing holes in the earth. This formulation includes a combination of about 20 to 99.9 wt. % cement, 0 to 65 wt. % powdered quartz or quartz dust, 0.1 to 30 wt. % water-redispersible dispersion powder, and 0 to 20 wt. % further additives. The invention also pertains to the use of this dry cement formulation for preparing a cement slurry, which can effectively reduce water loss, gas and water penetration, and seal off channels in boreholes.
Career Highlights
Throughout his career, Charles Zhang has worked with prominent companies such as Akzo Nobel N.V. and Akzo Nobel Chemicals International B.V. His experience in these organizations has contributed to his expertise in developing innovative cement solutions.
Collaborations
Charles Zhang has collaborated with various professionals in his field, including his coworker, Hongli Willimann. These collaborations have further enhanced his work and contributions to the industry.
Conclusion
Charles Zhang's innovative work in cement formulations demonstrates his commitment to addressing industry challenges. His patent and career achievements reflect his significant impact on the field.