Qiusheng Chang

Title: Innovations of Qiusheng Chang in Shale Oil Analysis

Introduction

Qiusheng Chang is a prominent inventor based in Beijing, China. He has made significant contributions to the field of shale oil analysis, holding two patents that showcase his innovative methods and apparatuses. His work is instrumental in enhancing the understanding and characterization of oil saturation in shale formations.

Latest Patents

Qiusheng Chang's latest patents include a "Shale oil analysis method and apparatus for continuously characterizing saturation of adsorbed oil and free oil." This invention involves obtaining NMR T2 spectrum, NMR porosity, oil saturation, and wettability indexes of core samples. It determines lower limit values for saturation calculations of absorbed and free oil, enabling quantitative and continuous characterization via well logs. Another notable patent is the "Method for determining effective porosity of high clay-bearing rock core, computer device and computer readable storage medium." This method focuses on acquiring a saturated sample NMR T2 spectrum and determining effective porosity based on various measurements and analyses.

Career Highlights

Qiusheng Chang is associated with PetroChina Company Limited, where he applies his expertise in shale oil analysis. His innovative approaches have contributed to advancements in the oil and gas industry, particularly in understanding the complexities of shale formations.

Collaborations

Qiusheng Chang has collaborated with notable colleagues, including Dongming Zhi and Lichun Kuang. Their combined efforts in research and development have furthered the exploration and analysis of shale oil.

Conclusion

Qiusheng Chang's contributions to shale oil analysis through his innovative patents and collaborative efforts highlight his importance in the field. His work continues to influence the industry and improve methodologies for oil characterization.