Yunfei Yang

Title: Innovations of Yunfei Yang in Petrophysical Inversion and Shear Velocity Profiling

Introduction

Yunfei Yang is an accomplished inventor based in Palo Alto, CA (US). She has made significant contributions to the field of geophysics, particularly in petrophysical inversion and shear velocity profiling. With a total of 2 patents, her work integrates advanced machine learning techniques to enhance subsurface modeling.

Latest Patents

Yunfei Yang's latest patents include innovative methods that leverage machine learning for geologic modeling. One of her patents, titled "Petrophysical inversion with machine learning-based geologic priors," describes a system for modeling subsurface regions. This method involves applying a trained machine learning network to an initial petrophysical parameter estimate to predict a geologic prior model. The process includes performing a petrophysical inversion using the geologic prior model, geophysical data, and parameters to generate a rock type probability model and an updated petrophysical parameter estimate. The patent also outlines methods for managing hydrocarbons and checking for convergence in the updated estimates.

Another notable patent is "Shear velocity radial profiling based on flexural mode dispersion." This method focuses on profiling shear velocities of flexural wave modes in geological formations. It establishes sensitivity kernels with two non-dimensionalized parameters and utilizes these kernels to perform inversions for radial shear wave velocity profiles. This technique is applicable for logging operations such as LWD, MWD, or wireline logging.

Career Highlights

Yunfei Yang has worked with prominent companies in the energy sector, including Halliburton Energy Services, Inc. and ExxonMobil Technology and Engineering Company. Her experience in these organizations has allowed her to apply her innovative ideas in practical settings, contributing to advancements in geophysical technologies.

Collaborations

Yunfei has collaborated with notable professionals in her field, including Kristoffer Thomas Walker and Amit Kushwaha. These collaborations have further enriched her research and development efforts.

Conclusion

Yunfei Yang's contributions to petrophysical inversion and shear velocity profiling demonstrate her innovative spirit and expertise in geophysics. Her patents reflect a commitment to advancing technology in subsurface modeling and energy management.