David R Underdown

Title: David R. Underdown: Innovator in Scale Inhibition Technologies

Introduction

David R. Underdown is a notable inventor based in Plano, TX (US), recognized for his contributions to the field of scale inhibition in well drilling and production. With a total of 3 patents to his name, Underdown has developed innovative methods that address the challenges of scale formation in subterranean formations.

Latest Patents

Underdown's latest patents include a method for preventing metal carbonate scale formation in a well. This invention addresses the inadequacies of previous materials used to inhibit scale formation and precipitation of totally dissolved solids (TDS) in fluids used in well drilling, completion, and workovers. The method involves maintaining the fluid at a pH from about 2 to about 9 and adding a phosphonomethylated oxyalkyleneamine material in specific concentrations. Another significant patent is focused on scale inhibition in a well penetrating a subterranean formation. This method includes injecting a scale inhibitor and a polymeric material to prolong the inhibition of scale formation, utilizing a copolymer derived from specific monomers.

Career Highlights

David R. Underdown is currently associated with Atlantic Richfield Company, where he applies his expertise in developing solutions for scale-related challenges in the oil and gas industry. His work has significantly contributed to improving the efficiency and effectiveness of well operations.

Collaborations

Underdown has collaborated with notable coworkers, including James D. Ashford and Terry W. Harrison, who have also contributed to advancements in the field of scale inhibition.

Conclusion

David R. Underdown's innovative approaches to scale inhibition have made a significant impact in the oil and gas sector. His patents reflect a commitment to solving complex challenges in well operations, ensuring more efficient and effective production processes.