Company Filing History:
Years Active: 2019-2024
Title: Innovations of John Philip Granville
Introduction
John Philip Granville is a notable inventor based in Humble, Texas, with a remarkable portfolio of nine patents. His work primarily focuses on advancements in geophysical formation evaluation measurements, particularly in the oil and gas industry. Granville's innovative contributions have significantly impacted the methods used in subterranean wellbore assessments.
Latest Patents
Among his latest patents is a method and apparatus for geophysical formation evaluation measurements behind casing. This invention involves determining acoustic velocity behind casing or tubing in a subterranean wellbore. The method includes obtaining a plurality of waveform data sets corresponding to various propagation path regimes and generating a total wavefield across the receiver array. Additionally, it determines a Green's function for each propagation path regime and creates a noise wavefield by convolving the Green's functions with a known transmitted pressure signal. The final steps involve generating a reduced-noise wavefield and estimating the acoustic velocity of the formation behind the casing or tubing from this reduced-noise wavefield.
Another significant patent focuses on processing borehole dispersive waves using a physics-based machine learning analysis. This system determines formation body wave slowness from an acoustic wave by analyzing waveform data collected by a logging tool. The method applies a model to wave features to derive data-driven scale factors, which are essential for determining the body wave slowness and, consequently, the formation characteristics of the borehole environment.
Career Highlights
Granville is currently employed at Halliburton Energy Services, Inc., a leading company in the energy sector. His work at Halliburton has allowed him to apply his innovative ideas to real-world challenges in the oil and gas industry. His contributions have not only advanced the technology used in formation evaluation but have also enhanced the efficiency and accuracy of subsurface assessments.
Collaborations
Throughout his career, Granville has collaborated with talented individuals such as Chung Lung Chang and Ruijia Wang. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies in geophysical evaluations.
Conclusion
John Philip Granville's innovative work in the field of geophysical formation evaluation has led to significant advancements in the oil and gas industry. His patents reflect a deep understanding of acoustic measurements and their applications in subterranean environments. Granville's contributions continue to shape the future of formation evaluation technologies.
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