Larry C Greenhalgh

Title: Larry C. Greenhalgh: Innovator in Core Barrel Technology

Introduction

Larry C. Greenhalgh is a notable inventor based in West Valley City, Utah. He has made significant contributions to the field of core barrel technology, particularly with his innovative designs that enhance operational efficiency in drilling applications. His work is characterized by a focus on practical solutions that minimize downtime and improve performance.

Latest Patents

Larry C. Greenhalgh holds a patent for an "Adjustable Bearing Section Core Barrel." This invention allows for the longitudinal position of an inner barrel within a core barrel assembly to be adjusted and locked in the field without the need for disassembly of the cartridge cap assembly. This feature is crucial as it prevents the loss of expensive rig time. The design includes a swivel assembly that couples the inner tube to a cartridge cap, which is threadedly coupled to the coring tool. The innovative mechanism involves radially expanding fingers and a jam nut that locks the position of the cartridge cap, ensuring stability during operation.

Career Highlights

Larry is currently employed at Norton Christensen, Inc., where he continues to develop and refine technologies related to core drilling. His expertise in this area has made him a valuable asset to the company and the industry as a whole.

Collaborations

Larry has collaborated with Douglas G. Fox, working together to advance their projects and share insights in the field of core barrel technology.

Conclusion

Larry C. Greenhalgh's contributions to core barrel technology exemplify innovation and practicality in engineering. His patent for the adjustable bearing section core barrel showcases his commitment to improving drilling efficiency and reducing operational costs.