This inventor holds 2 USPTO granted patents and 2 EPO patents. Top assignees: Bgp Inc., China National Petroleum Corporation, China National Petroleum Corporation. Active years: 2026.
Company Filing History:
2 out of 17 
2 out of 95 
Years Active: 2026
Title: Zhidong Cai: Innovator in Borehole Seismic Data Analysis
Introduction
Zhidong Cai is a prominent inventor based in Hebei, China. He has made significant contributions to the field of seismic data analysis, particularly through his innovative methods and apparatuses. With a total of 2 patents, his work has advanced the understanding and application of borehole seismic data.
Latest Patents
Zhidong Cai's latest patents include a method and apparatus for inverting formation wave impedance using DAS borehole seismic data. This method involves acquiring an initial magnitude at a specific time window after the initial arrival of seismic wavefield data in a well. It maps the initial magnitude to a relative wave impedance and corrects it to obtain an inverted wave impedance. Additionally, he has developed a method and apparatus for global phase in-phase/quadrature demodulation of optical fiber DAS data. This method includes several steps, such as acquiring initial optical fiber DAS IQ data, performing phase corrections, and obtaining global phase demodulated data.
Career Highlights
Throughout his career, Zhidong Cai has worked with notable companies, including BGP Inc. and China National Petroleum Corporation. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in seismic data analysis.
Collaborations
Zhidong has collaborated with several professionals in his field, including Yanpeng Li and Shaohua Zhang. These collaborations have fostered innovation and have led to the development of new methodologies in seismic data processing.
Conclusion
Zhidong Cai's contributions to the field of seismic data analysis through his patents and collaborations highlight his role as an influential inventor. His innovative methods continue to shape the industry and enhance the understanding of borehole seismic data.