Company Filing History:
2 out of 188 
2 out of 225 
1 out of 63 
Years Active: 1983-2006
Title: **Douglas D Hall: Innovator in Downhole Technology**
Introduction
Douglas D Hall, an innovative inventor based in Houston, Texas, has made significant contributions to the field of downhole technology, holding a total of six patents. His work focuses on inventions that enhance the efficiency and safety of drilling operations, making him a notable figure in the industry.
Latest Patents
Among Hall's latest patents is the **Downhole Tubular Splitter Assembly and Method**, which is designed to effectively separate two or more tubular strings placed within a conductor downhole. This innovative assembly features a splitter housing with a dual bore design for separating wells and incorporates a unique plug system that allows for optimized drilling operations. Additionally, he developed the **Drill Pipe Protection Rings and Method of Using the Same**, which consists of resilient elastomeric rings that fill external identification slots in drill pipe tool joints. These rings prevent potential damage to internal seals of drilling heads, ensuring greater reliability and longevity of equipment during drilling activities.
Career Highlights
Throughout his career, Douglas D Hall has held positions at notable companies, including Abb Vetco Gray Incorporated and Armco Inc. His experience at these organizations has shaped his insights and has been instrumental in his development as an inventor in the drilling technology sector.
Collaborations
Hall has had the pleasure of collaborating with skilled professionals like Paul E Helfer and William S Cowan. Working alongside such talented coworkers has not only enriched his professional journey but has also fostered innovative solutions within his field of expertise.
Conclusion
In summary, Douglas D Hall's contributions to the drilling industry, highlighted by his six patents, underscore his role as a leading inventor. His latest innovations, coupled with his collaborations and experience, position him as a valuable asset in advancing downhole technology. As the industry evolves, Hall continues to pave the way for safer, more efficient drilling practices.