Company Filing History:
Years Active: 1976
Title: The Innovations of Donald A Riva
Introduction
Donald A Riva is a notable inventor based in Calgary, Canada. He is recognized for his contributions to the field of tar sands processing. His innovative approach has led to the development of a unique patent that enhances the efficiency of bitumen extraction from tar sands.
Latest Patents
Riva holds a patent for a "Tar sands conditioning drum." This invention describes a rotating drum type muller designed for the initial conditioning of mined tar sands using the hot water method. The process involves the separation of bitumen from the sands through the ablation of mined tar sand lumps into pulp. The conditioning drum features a horizontally disposed cylindrical design with a length to diameter ratio of about 1:1 or less. It is rotatable around its longitudinal axis and includes axial openings for the introduction of mined tar sand lumps, water, and caustic. The outlet end is equipped with a grated peripheral opening for discharging the tar sand pulp while retaining oversize materials. Additionally, the drum incorporates a plurality of downwardly projecting steam conduits for injecting steam into the drum's interior.
Career Highlights
Donald A Riva has made significant strides in his career, particularly through his work with Shell Oil Company. His innovative solutions have contributed to advancements in the oil and gas industry, particularly in the processing of tar sands.
Collaborations
Throughout his career, Riva has collaborated with notable colleagues, including Brian W Raymond and Frederick C Stuchberry. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Donald A Riva's contributions to the field of tar sands processing exemplify the impact of innovation in the energy sector. His patent for the tar sands conditioning drum showcases his commitment to improving extraction methods and enhancing efficiency. Riva's work continues to influence the industry and pave the way for future advancements.