Company Filing History:
Years Active: 2015-2018
Title: Innovations of Marcus Hofheins Donaldson
Introduction
Marcus Hofheins Donaldson is an accomplished inventor based in Somerville, MA (US). He has made significant contributions to the field of nuclear magnetic resonance (NMR) with a focus on hydrocarbon fluid characteristics. His innovative work has led to the development of two patents that enhance the understanding of molecular behaviors in various substances.
Latest Patents
Donaldson's latest patents include "Methods and systems for identifying hydrocarbon fluid transition characteristics using nuclear magnetic resonance." This patent outlines methods for identifying transition characteristics in hydrocarbon fluids, such as asphaltene onset pressure (AOP), bubble point, or dew point. The process involves subjecting the fluid to varying pressures or temperatures, conducting NMR tests, and analyzing the resulting signals to identify discontinuities that indicate transition characteristics. The NMR parameters utilized may include relaxation parameters, diffusion parameters, and initial magnetization parameters.
Another notable patent is "Estimating and displaying molecular size information of a substance." This patent describes methods for estimating molecular sizes within a substance using NMR maps and logs. It establishes a relationship between molecular size and diffusion or relaxation distributions, allowing for the creation of two-dimensional maps that display mean chain lengths of molecules at various depths.
Career Highlights
Donaldson is currently employed at Schlumberger Technology Corporation, where he applies his expertise in NMR technology to advance the company's research and development efforts. His work has been instrumental in enhancing the understanding of hydrocarbon fluids and their properties.
Collaborations
Throughout his career, Donaldson has collaborated with notable colleagues, including Denise E Freed and Yi-Qiao Song. These collaborations have contributed to the success of his innovative projects and patents.
Conclusion
Marcus Hofheins Donaldson is a prominent inventor whose work in nuclear magnetic resonance has led to significant advancements in understanding hydrocarbon fluids. His contributions through patents and collaborations continue to impact the field positively.