Company Filing History:
Years Active: 1987-1992
Title: Innovations of John J Pritchard, Jr.
Introduction
John J Pritchard, Jr. is a notable inventor based in Harvey, LA (US). He has made significant contributions to the field of engineering, particularly in the oil and gas industry. With a total of four patents to his name, Pritchard has developed innovative solutions that enhance operational efficiency and safety.
Latest Patents
One of his latest patents is the "Combination hydraulic tubing hanger and chemical injection sub." This invention features a mudline tubing hanger that is integrated into the tubing string. It is set within the casing using a hydraulic setting mechanism, which is controlled through an external line and actuated by a wireline shifted sleeve. This design allows for further manipulation of the sleeve to isolate the setting mechanism, establishing a chemical injection conduit with access to the tubing bore.
Another significant patent is the "Formation fluid sampler." This apparatus is designed to take samples of formation fluid while obtaining temperature and pressure data. It comprises a sampling device, a gun perforator, two packers positioned above and below the sampling device, and valves carried by the sampling device. This invention is crucial for accurate data collection in well operations.
Career Highlights
John J Pritchard, Jr. works at Shell Offshore Inc., where he applies his expertise to develop innovative technologies for the oil and gas sector. His work has contributed to advancements in drilling and production techniques, making operations safer and more efficient.
Collaborations
Pritchard collaborates with various professionals in his field, including his coworker Paul L Dodd. Their combined efforts have led to the development of cutting-edge technologies that address industry challenges.
Conclusion
John J Pritchard, Jr. is a distinguished inventor whose work has significantly impacted the oil and gas industry. His innovative patents demonstrate his commitment to advancing technology and improving operational practices.