Ernesto Uehara-Nagamine

Title: Ernesto Uehara-Nagamine: Oil Recovery and Water Injection Innovations

Introduction

Ernesto Uehara-Nagamine is an inventor associated with Houston, Texas, whose patent work addresses technologies for oil recovery and water management in hydrocarbon production. His portfolio includes 3 patents and reflects an interest in methods and systems for supporting operations in underground formations.

Latest Patents

**Oil Recovery Process.** This invention describes a method for enhancing oil recovery from a formation. It injects an enhanced oil recovery formulation containing a hydrocarbon-containing gas and an ether with two to four carbon atoms into an oil-bearing formation to mobilize oil, which is then produced from the formation.

**Water Injection Systems and Methods.** This invention describes a system involving a well drilled into a hydrocarbon-bearing underground formation, a topside production facility, and a connected water production facility. The water facility processes water through two nanofiltration modules before injecting it into the well.

Career Highlights

Uehara-Nagamine’s listed company affiliations include Shell Oil Company and Shell Internationale Research Maatschappij B.V. His patent subjects connect oil recovery processes with water treatment and injection systems used in hydrocarbon production.

Collaborations

His listed coworkers include Andreas Nicholas Matzakos and Robert Wing-Yu Chin. Their names are associated with his professional and patent-related network.

Conclusion

Ernesto Uehara-Nagamine’s patent portfolio highlights practical approaches to mobilizing oil and processing water for injection, reflecting his work in technologies relevant to hydrocarbon production.