Paul M McElfresh

Title: Paul M McElfresh: Innovator in Well Cementing Compositions

Introduction

Paul M McElfresh is a notable inventor based in Arlington, TX (US). He has made significant contributions to the field of well cementing through his innovative patent. His work focuses on enhancing the efficiency and effectiveness of cementing compositions used in well bore applications.

Latest Patents

Paul M McElfresh holds a patent for "Non-retarding fluid loss additives for well cementing compositions." This invention involves a well bore cementing composition and method that combines hydraulic cement, water, and a non-retarding fluid loss additive to form a cementing slurry. The additive is a copolymer made from a first non-ionic water-soluble monomer and a second anionic monomer. The specific ratio of these monomers ranges from about 85:15 to 95:5, and the copolymer has a molecular weight between approximately 200,000 and 400,000. This innovation aims to improve the performance of cementing slurries in well bore applications.

Career Highlights

Paul M McElfresh is associated with Hughes Tool Company LLC, where he applies his expertise in cementing technologies. His work has contributed to advancements in the oil and gas industry, particularly in well construction and maintenance.

Collaborations

Throughout his career, Paul has collaborated with notable colleagues, including Lee F McKenzie and Dyke W Reese. These partnerships have fostered innovation and development in the field of well cementing.

Conclusion

Paul M McElfresh is a distinguished inventor whose work in well cementing compositions has made a significant impact on the industry. His innovative patent demonstrates his commitment to improving cementing technologies, showcasing his expertise and dedication to advancing the field.