This inventor holds 2 USPTO granted patents. Top assignee: Hughes Tool Company LLC. Active years: 1985-1986.
Company Filing History:
Years Active: 1985-1986
Title: Earl R. Freeman: Innovator in Subsurface Engineering
Introduction
Earl R. Freeman is a notable inventor based in Oklahoma City, OK, who has made significant contributions to the field of subsurface engineering. With a total of 2 patents to his name, Freeman has developed innovative methods that enhance the efficiency of well operations.
Latest Patents
Freeman's latest patents include a "Method and apparatus for increasing the concentration of proppant" and "Pneumatic transfer of solids into wells." The first patent describes a method for treating subsurface earth formations by blending a proppant with a foamable carrier to create a slurry. This slurry is then pressurized, and a gas is added to form a foam. The proppant is pneumatically injected into the well bore, allowing for effective fracture propping. The second patent outlines a method for pneumatically transferring particulate solid materials into an earth formation by establishing a gas flow in the well bore, which facilitates the injection of solid materials.
Career Highlights
Freeman is currently associated with Hughes Tool Company LLC, where he applies his expertise in subsurface engineering. His work has contributed to advancements in well treatment techniques, making him a valuable asset in the industry.
Collaborations
Freeman has collaborated with notable coworkers such as Ronald E. Sweatman and John Gottschling, further enhancing the innovative environment at Hughes Tool Company LLC.
Conclusion
Earl R. Freeman's contributions to subsurface engineering through his patents and collaborative efforts highlight his role as an influential inventor in the field. His innovative methods continue to impact well operations positively.