Company Filing History:
1 out of 674 
1 out of 7 Years Active: 2025
Title: Yancheng Yan: Innovator in Wellbore Staged Operation Methods
Introduction
Yancheng Yan is a notable inventor based in Sichuan, China. He has made significant contributions to the field of petroleum engineering, particularly in wellbore operations. His innovative approaches have led to advancements in the efficiency and effectiveness of oil extraction processes.
Latest Patents
Yancheng Yan holds a patent for a "Wellbore Staged Operation Method and Rubber Plug for Said Method." This invention outlines a comprehensive method for performing staged operations in wellbores. The process includes running a pipe string in the wellbore after a first well drifting operation, performing cementing operations, and conducting staged fracturing constructions. This method enhances the isolation of different components within the wellbore, ultimately improving the overall efficiency of oil extraction.
Career Highlights
Throughout his career, Yancheng Yan has worked with prominent companies in the petroleum sector. He has been associated with China Petroleum Chemical Corporation and Sinopec Southwest Oil & Gas Company. His experience in these organizations has contributed to his expertise in wellbore operations and innovations in the field.
Collaborations
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Conclusion
Yancheng Yan's contributions to wellbore staged operation methods exemplify his innovative spirit and dedication to advancing petroleum engineering. His patent and career achievements reflect his significant impact on the industry.