This inventor holds 3 USPTO granted patents. Top assignee: Conoco Inc.. Active years: 1980-1982.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- New Orleans, LA (US) (1980)
- Ventura, CA (US) (1981 - 1982)
Company Filing History:
Years Active: 1980-1982
Title: Innovations by John L. Stalder
Introduction
John L. Stalder is a notable inventor based in Ventura, California. He has made significant contributions to the field of thermal insulation for wellbores, holding a total of 3 patents. His work focuses on improving the efficiency and effectiveness of conduits used in heated fluid applications.
Latest Patents
One of his latest patents is for an "Insulated prestressed conduit string for heated fluids." This invention features a unique design that includes concentric double wall tube conduit sections. Each section consists of an inner heated fluid conductor tube under tension prestress and a larger outer tube under compression prestress. This design minimizes heat transfer from the fluids and prevents deformation of the conduit string when heated. The outer tubes are shorter than the conductor tubes, allowing the ends of the conductor tubes to extend slightly beyond the outer tubes. This configuration is complemented by connector means that ensure a sealed heat-insulated joint between the conduit sections.
Another significant patent is the "Method for thermally insulating wellbores." This method involves introducing a heat-activated gel-forming fluid into the annular space between the well bore and the tubing string. The gelled fluid provides excellent heat insulation, reducing heat transfer between the fluids and surrounding formations.
Career Highlights
John L. Stalder is currently associated with Conoco Inc., where he applies his expertise in thermal insulation technologies. His innovative approaches have contributed to advancements in the oil and gas industry, particularly in wellbore applications.
Collaborations
He has collaborated with fellow inventor William L. Martin, working together to enhance the effectiveness of their inventions and contribute to the field.
Conclusion
John L. Stalder's contributions to thermal insulation technologies have made a significant impact in the industry. His innovative patents demonstrate his commitment to improving the efficiency of heated fluid conduits and wellbore insulation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile