William D Greenfield

Title: William D. Greenfield: Innovator in Subsea Technology

Introduction

William D. Greenfield, an accomplished inventor based in Tulsa, Oklahoma, has made significant contributions to the field of subsea technology. With a total of two patents to his name, Greenfield's innovations have enhanced drilling operations and the installation processes for underwater structures. His work primarily focuses on improving efficiency and safety in ocean floor drilling.

Latest Patents

Greenfield's latest patents include innovative designs for riser pipe inserts and the installation of vertically moored platforms. The riser pipe insert patent addresses the challenges of drilling operations at sea by allowing for the insertion of a sleeve of low density within the annulus. This design reduces the tension required to prevent buckling while displacing heavier drilling mud with a lighter-weight insert.

In his other patent, Greenfield outlines a method for installing a vertically moored platform, where floating structures are anchored using elongated members under tension. This process involves positioning a gravity base over a subsea well site and anchoring it securely to the sea floor using a large-diameter drive pipe. This innovative approach facilitates efficient drilling operations through numerous riser pipes connected between the floating structure and the gravity base.

Career Highlights

Throughout his career, William D. Greenfield has been associated with Standard Oil Company (Indiana), where he has further developed his research and inventions. His extensive experience in engineering and technology has laid the foundation for successful innovations in the oil and gas industry.

Collaborations

Greenfield has had the opportunity to work alongside esteemed colleagues such as Johnce E. Hall and Kenneth A. Blenkarn. Together, they have contributed to advancements that support the efficiency and safety of subsea drilling operations. This collaborative approach has led to fruitful discussions and further enhancements of their respective technologies.

Conclusion

William D. Greenfield's work as an inventor has paved the way for advancements in subsea technology, particularly in drilling operations and platform installations. His innovative patents reflect a commitment to enhancing efficiency and safety in underwater engineering. As he continues to develop new solutions, Greenfield remains a significant figure in the realm of technological innovation.