Qiyan Tan

Title: The Innovations of Qiyan Tan: Pioneering Cement Technology

Introduction

Qiyan Tan, an influential inventor based in Beijing, China, has contributed significantly to the field of cement technology. With two patented inventions to his name, Tan's work focuses primarily on enhancing the performance and stability of well cement used in oil-gas wells. His innovations aim to improve the integrity and longevity of cementing processes, which are critical for the success of drilling operations.

Latest Patents

Tan's two latest patents exemplify his commitment to advancing cement technology. The first is an "Apparatus and method for determining volume stability of well cement," which includes a reaction kettle, radial contraction, expansion ring, heater, pressurizer, and volume change parameter tester. This apparatus provides a comprehensive evaluation of the volume stability of well cement by measuring its radial volume change parameters under controlled temperature and pressure conditions.

The second patent, titled "Method and device for determining elasticity of cement stone utilized in well cementing of oil-gas well," introduces a measurement technique for assessing the elasticity of hardened cement. This method involves establishing a stress-strain curve and analyzing the cement's degree of strain recovery over different cycles. It provides crucial insights for research in hardened cement modification and evaluates various cement slurry systems, ensuring well hole integrity and extended well life.

Career Highlights

Qiyan Tan is affiliated with PetroChina Company Limited, where he applies his expertise in cement technology to foster innovation in the oil and gas sector. His contributions have been instrumental in establishing new methodologies and devices that enhance the cementing processes required for secure and efficient drilling operations.

Collaborations

Throughout his career, Tan has collaborated with notable colleagues such as Fuyun Wang and Youzhi Zheng. Their joint efforts in research and development have played a significant role in the successful innovations and applications of cement technology, further solidifying their positions in the industry.

Conclusion

In summary, Qiyan Tan stands out as a dedicated inventor whose work in cement technology has set new benchmarks within the oil and gas industry. His patents not only reflect his innovative thinking but also contribute to the ongoing evolution of materials science, enhancing the safety and effectiveness of cementing practices. Through his continued efforts at PetroChina Company Limited and with the collaboration of his peers, Tan is poised to make further advancements in this vital field.