Location History:
- Wyandotte, MI (US) (1986 - 1987)
- Ann Arbor, MI (US) (1990)
- Ypsilanti, MI (US) (1991 - 1993)
Company Filing History:
Years Active: 1986-1993
Title: The Innovative Contributions of Stefano C Crema
Introduction
Stefano C Crema is a notable inventor based in Ypsilanti, MI (US). He has made significant contributions to the field of cementing compositions for oil, gas, and water wells. With a total of 8 patents to his name, his work has had a considerable impact on the industry.
Latest Patents
One of his latest patents focuses on fluid loss control additives for oil well cementing compositions. This innovative cementing composition includes water, hydraulic cement, and an effective amount of a water-soluble fluid loss additive. The additive is a blend of two copolymers: the first copolymer is made from acrylamide and vinyl imidazole, while the second copolymer consists of vinyl pyrrolidone and the sodium salt of vinyl sulfonate. The weight percent ratio of these copolymers ranges from 20:80 to 80:20. Additionally, the composition may include dispersants such as sodium or potassium salts or a sulfonated naphthalene formaldehyde condensate.
Career Highlights
Stefano C Crema has been associated with BASF Corporation, where he has applied his expertise in developing advanced cementing solutions. His work has been instrumental in enhancing the efficiency and effectiveness of cementing operations in the oil and gas industry.
Collaborations
Throughout his career, Stefano has collaborated with several talented individuals, including Clare H Kucera and Gerd Konrad. These collaborations have contributed to the successful development of innovative solutions in his field.
Conclusion
Stefano C Crema's contributions to the field of cementing compositions are noteworthy. His innovative patents and collaborations have significantly advanced the industry, showcasing his expertise and dedication to improving cementing technologies.