Company Filing History:
Years Active: 2022-2025
Title: Changhua Zhang: Innovator in Seismic Characterization
Introduction
Changhua Zhang is a notable inventor based in Houston, TX (US). He has made significant contributions to the field of seismic characterization, holding 2 patents that showcase his innovative approaches to subsurface formation analysis.
Latest Patents
One of his latest patents is titled "Methods and apparatuses for seismic characterization of subsurface formations." This invention provides a method and apparatus for performing a seismic full waveform inversion independent of a source wavelet. The process involves positioning seismic data recording sensors in a survey region, generating seismic waves through blasting, and recording these waves as seismic data. The method further includes transmitting the seismic data to a computer system for storage and processing, ultimately generating a final velocity model for seismic full waveform inversion.
Another significant patent is the "Computer-implemented method for high speed multi-source loading and retrieval of wavefields employing finite difference models." This method efficiently injects sources and retrieves receiver wavefields using finite difference models for wavefield simulations on a GPU. It addresses the challenge of sources and receivers not being on numerical grid points by employing GPU texture memory to enhance memory read bandwidth.
Career Highlights
Changhua Zhang is currently employed at China Petroleum & Chemical Corporation, where he applies his expertise in seismic technology. His work has contributed to advancements in the understanding and analysis of subsurface formations, which is crucial for various applications in the energy sector.
Collaborations
He has collaborated with notable coworkers, including Mingqiu Luo and Min Zhou, who share his commitment to innovation in seismic research.
Conclusion
Changhua Zhang's contributions to seismic characterization through his patents reflect his dedication to advancing technology in this field. His work continues to influence the methods used in subsurface analysis, showcasing the importance of innovation in engineering and geology.