Company Filing History:
Years Active: 2016-2020
Title: Lian Duan: Innovator in Seismic Data Processing
Introduction
Lian Duan is a notable inventor based in Crawley, GB, recognized for his contributions to seismic data processing. With a total of 5 patents, he has made significant advancements in the field, particularly in methods that enhance the accuracy and efficiency of subsurface imaging.
Latest Patents
Duan's latest patents include innovative techniques such as "Seismic data processing using matching filter based cost function optimization." This method focuses on processing seismic data from subsurfaces using least squares migration or wave equation migration velocity analysis. It employs a cost function that incorporates a matching filter, iteratively updating the reflectivity model and velocity model to align with observed seismic data. Another significant patent is the "Method for elastic model perturbation estimation from reverse time migration." This technique involves creating an Earth model of a subsurface from acquired seismic data by migrating incident and reflected wavefields to generate angle gathers. The elastic Earth model is derived from the reflection angle and elastic parameters, which are adjusted through perturbation to accurately represent the subsurface.
Career Highlights
Throughout his career, Lian Duan has worked with prominent companies such as CGG Services SAS and CGG Services SA. His expertise in seismic data processing has positioned him as a valuable asset in the industry, contributing to advancements that benefit various geological and engineering applications.
Collaborations
Duan has collaborated with notable colleagues, including Graham Roberts and Yu Zhang, who have contributed to his research and development efforts in seismic data processing.
Conclusion
Lian Duan's innovative work in seismic data processing has led to significant advancements in the field, showcasing his expertise and dedication to improving subsurface imaging techniques. His contributions continue to influence the industry and pave the way for future innovations.