Xiangzhi Cheng

Title: **Innovator Spotlight: Xiangzhi Cheng**

Introduction

Xiangzhi Cheng is a notable inventor based in Beijing, China, recognized for his significant contributions to the field of geomechanics and rock mechanics. With two patents to his name, Cheng's innovations focus on enhancing the accuracy of logging evaluations in geological formations, which are critical for resource extraction and engineering applications.

Latest Patents

Cheng's latest patents include two groundbreaking methods that cater to the complexities involved in measuring elastic parameters of geological formations.

1. **Method for Obtaining Conversion Relationship Between Dynamic and Static Elastic Parameters**: This invention details a systematic approach to ascertain the conversion relationship between dynamic and static elastic parameters. The method involves acquiring horizontal cores from various depths, measuring dynamic and static elastic parameters under varying pressures, and analyzing clay content. The resultant function relationship aids in accurately determining the conversion between dynamic and static elastic parameters, which is essential for improving the logging evaluation accuracy of rock mechanical parameters.

2. **Method and Apparatus of Determining Stiffness Coefficients of Formation**: This patent introduces an innovative method and apparatus for calculating the stiffness coefficients of geological formations without the need for complex calculations involving horizontal S-wave velocities. The method continuously computes the clay content and stiffness coefficients along depths using a combination of P-wave and S-wave velocities. This approach improves the simplicity and effectiveness of the calculations involved, thereby enhancing the assessment of formation characteristics.

Career Highlights

Xiangzhi Cheng is affiliated with PetroChina Company Limited, where he applies his extensive expertise in the field. His work is instrumental in advancing technologies that directly impact geological exploration and resource management.

Collaborations

Throughout his career, Cheng has worked alongside notable colleagues, including Zhonghua Liu and Lianteng Song. These collaborations have played a crucial role in shaping his innovative solutions and enhancing the technical depth of his projects.

Conclusion

Xiangzhi Cheng stands out as a prominent figure in the realm of geotechnical engineering, with patents that significantly improve the methodologies used in logging evaluations. His meticulous approach to innovation not only furthers academic understanding but also drives practical applications within the industry, reinforcing the importance of precise geological assessments.