John L Leder

Title: The Innovative Contributions of John L. Leder

Introduction

John L. Leder is a notable inventor based in Bellaire, TX (US). He has made significant contributions to the field of subsurface earth formation testing. His innovative approach has led to the development of a unique method and apparatus that enhances the accuracy and efficiency of pressure, volume, and temperature measurements in geological formations.

Latest Patents

John L. Leder holds a patent for a "Method and apparatus for pressure, volume, and temperature measurement." This invention involves conducting in situ tests on subsurface earth formations traversed by a wellbore. The apparatus includes a wireline formation testing instrument that is positioned at formation depth. A sampling probe is extended into fluid communication with the formation while being isolated from wellbore pressure. The system utilizes a hydraulically energized double-acting bi-directional piston pump, allowing for controlled selection of pumping direction. This enables testing fluid, such as completion fluid, to be pumped into the formation through the sampling probe. The design also allows for the extraction of formation fluid for real-time testing and characterization.

Career Highlights

John L. Leder has had a distinguished career at Western Atlas International, Inc. His work has focused on improving methods for formation testing, which is crucial for understanding geological formations. His innovative solutions have contributed to advancements in the oil and gas industry, particularly in the area of formation characterization.

Collaborations

Throughout his career, John has collaborated with several professionals, including John M. Michaels and Than Shwe. These collaborations have fostered a productive environment for innovation and have led to the development of effective solutions in formation testing.

Conclusion

John L. Leder's contributions to the field of subsurface earth formation testing exemplify the impact of innovation in the industry. His patented methods and apparatus have significantly advanced the accuracy of geological measurements. His work continues to influence the practices within the oil and gas sector, showcasing the importance of inventive solutions in addressing complex challenges.