This inventor holds 2 USPTO granted patents. Top assignees: Conoco Inc., Continental Oil Company. Active years: 1976-1989.
Company Filing History:
Years Active: 1976-1989
Title: M Duane Gregory: Innovator in Enhanced Oil Recovery
Introduction
M Duane Gregory is a notable inventor based in Ponca City, OK (US). He has made significant contributions to the field of enhanced oil recovery, holding a total of 2 patents. His work focuses on innovative methods that improve oil extraction processes.
Latest Patents
Gregory's latest patents include "Cosurfactant Enhanced Alkaline Flooding in an Anhydrite Formation" and "Waterflood Method Using Overbased Normal Alkylaromatic Sulfonates." The first patent addresses the maintenance of high pH levels in flooding materials through the addition of alkali metal sulfate or ammonium sulfate. The second patent describes an improved anionic waterflood additive created by chlorinating normal alkanes and converting the resulting sulfonic acid into a sulfonate, which is then used to enhance oil recovery.
Career Highlights
Throughout his career, Gregory has worked with prominent companies such as Conoco Inc. and Continental Oil Company. His experience in these organizations has allowed him to develop and refine his innovative techniques in oil recovery.
Collaborations
Some of Gregory's notable coworkers include Charles R. Clark and Oliver C. Kerfoot. Their collaboration has contributed to advancements in the field of enhanced oil recovery.
Conclusion
M Duane Gregory's contributions to the field of enhanced oil recovery through his patents and career experiences highlight his role as an influential inventor. His innovative approaches continue to impact the industry positively.