Location History:
- Houston, TX (US) (2002 - 2003)
- Bieldside, GB (2005)
Company Filing History:
Years Active: 2002-2005
Title: Ian Douglas Calder: Innovator in Wellhead Technology
Introduction
Ian Douglas Calder is a notable inventor based in Houston, TX (US). He has made significant contributions to the field of wellhead technology, holding a total of 3 patents. His innovative designs focus on enhancing the efficiency and functionality of wellhead systems.
Latest Patents
Calder's latest patents include groundbreaking inventions such as the "Cuttings injection and annulus remediation systems for wellheads." This wellhead assembly features an inner wellhead that lands in an outer wellhead, equipped with first and second internal passages. Each passage has upper and lower openings that facilitate the flow of heavy fluid and cuttings into the casing annulus. Another notable patent is the "Rotating drilling head system with static seals." This invention includes a rotatable head assembly with a cartridge assembly that allows for smooth rotational movement while maintaining fluid seals through static seals. These innovations demonstrate Calder's commitment to improving wellhead technology.
Career Highlights
Ian Calder is currently employed at Abb Vetco Gray Incorporated, where he continues to develop and refine his inventions. His work has significantly impacted the industry, providing solutions that enhance operational efficiency and safety in drilling operations.
Collaborations
Calder has collaborated with notable coworkers such as Ready Joseph Johnson and John Edward Nelson. Their combined expertise has contributed to the successful development of innovative technologies in the field.
Conclusion
Ian Douglas Calder is a distinguished inventor whose work in wellhead technology has led to several important patents. His contributions continue to shape the industry and improve drilling operations.