Larry L Grigar

Title: The Innovative Contributions of Larry L. Grigar in the Field of Perforating Technology

Introduction

Larry L. Grigar, an accomplished inventor based in East Bernard, Texas, has made significant contributions to the field of perforating technology, exemplified by his impressive portfolio of eight patents. His work focuses on enhancing the efficiency and precision of perforating gun assemblies used in various drilling operations.

Latest Patents

Among his latest innovations is the patent for a "Wireline Supported Perforating Gun Enabling Oriented Perforations." This advanced perforating gun assembly features a swivel connected with a cable head assembly and a navigation system to determine the instantaneous angle of the tool in relation to a vertical reference. The design includes first and second spaced cages made of sleeves supported on bearing assemblies. These sleeves hold free-wheeling rollers that engage the well casing when the tool operates in slant hole regions. A key feature of this invention is an eccentric component that falls downwardly, defining both vertical and horizontal references. This design allows for precise adjustments to the angle of firing shaped charges during installation, ensuring that perforations align parallel to the formation bedding plane within the well borehole.

Career Highlights

Larry has had an impressive career, including notable tenure at Halliburton Company and Halliburton Logging Services, Inc. His experience in these organizations has contributed to his expertise and shaped his innovative ideas in the drilling industry. Throughout his career, he has focused on developing technologies that improve well integrity and drilling efficiency.

Collaborations

Throughout his journey, Larry has collaborated with prominent professionals in the field, including James Marshall Barker and Carl B. Miller. These collaborations have enriched his work and further propelled advancements in perforating technology.

Conclusion

Larry L. Grigar's commitment to innovation and his substantial contributions through patents highlight his role as a notable inventor in the drilling sector. His latest inventions, particularly the wireline supported perforating gun, showcase his efforts to enhance drilling techniques for better operational outcomes. As technology continues to evolve, the impact of his work will undoubtedly resonate within the industry.