Company Filing History:
3 out of 3 
2 out of 2 
3 out of 832,812 Years Active: 2005-2024
Title: The Innovative Contributions of David Close
Introduction
David Close is a notable inventor based in Austin, TX, who has made significant contributions to the field of drilling technology. With a total of 8 patents to his name, Close has developed methods that enhance the precision and efficiency of drilling operations. His work is characterized by innovative approaches that leverage advanced sensor technology and data processing techniques.
Latest Patents
Among his latest patents is a method for drilling with projections based on adjusted Kalman Filters. This method involves extending a borehole from a surface location to a borehole end using a drill string equipped with a bottom hole assembly and a drill bit. The process utilizes both surface and downhole sensors to take measurements that project borehole features, allowing for precise steering of the drill bit through rock formations. The method incorporates various corrections based on the measurements taken at different locations along the drill string.
Another significant patent is for a method of determining position with improved calibration using opposing sensors. This system enables devices to initiate activities at the correct location, such as guiding a drill bit through rock formations. It employs a pair of position sensors in opposite orientations to generate position data signals, while a temperature sensor monitors temperature and duration. A processor module calculates an adjusted plastic bias value to enhance accuracy, ensuring that the position value is reliable for operational activities.
Career Highlights
David Close has worked with various companies throughout his career, including Noralis Limited. His experience in the industry has allowed him to refine his skills and contribute to advancements in drilling technology.
Collaborations
Close has collaborated with notable individuals such as George W. Troy and Steve C. Owens, further enriching his work through shared expertise and innovative ideas.
Conclusion
David Close's contributions to drilling technology through his patents and collaborative efforts highlight his role as a significant inventor in the field. His innovative methods continue to influence the industry, paving the way for more efficient and accurate drilling practices.