Richard E. Dilgren is a notable inventor based in Houston, TX (US), recognized for his significant contributions to the field of surfactant technology. With a total of 9 patents to his name, Dilgren has made strides in enhancing oil recovery processes through innovative surfactant mixtures.

Latest Patents

Among his latest patents is the invention of steam-foaming surfactant mixtures that are tolerant of divalent ions. This invention addresses the challenges faced in steam-foam displacement of oil within reservoir formations that have a significant ion-exchange capacity. By injecting a mixture of steam and a steam-foaming surfactant, the rate of steam foam propagation is notably increased. Another significant patent is the process for selecting a steam foam forming surfactant. This process involves comparing the capabilities of foams formed by different surfactants to effectively displace oil from permeable porous materials.

Career Highlights

Richard E. Dilgren has had a distinguished career at Shell Oil Company, where he has applied his expertise in surfactant technology to improve oil recovery methods. His work has been instrumental in developing more efficient processes that benefit the oil industry.

Collaborations

Throughout his career, Dilgren has collaborated with esteemed colleagues, including Kenneth B. Owens and George J. Hirasaki. These collaborations have furthered the research and development of innovative solutions in the field.

Conclusion

Richard E. Dilgren's contributions to surfactant technology and oil recovery processes highlight his role as a leading inventor in the industry. His innovative patents and collaborative efforts continue to influence advancements in oil recovery techniques.

Profile summary based on public USPTO records.

Please report any incorrect information to [email protected]