Michael J Lance

Title: Michael J Lance: Innovator in Subterranean Stress Measurement

Introduction

Michael J Lance is a notable inventor based in Oak Ridge, TN (US). He has made significant contributions to the field of subterranean stress measurement, holding a total of 3 patents. His innovative work focuses on developing systems and methods that enhance the understanding of stress in cement and rock formations.

Latest Patents

One of his latest patents is titled "Cement having stress-indicating properties." This invention involves a system and method that measures subterranean stress using a cement mixture combined with a stress measuring medium that has piezospectroscopic properties. This medium reveals stress in situ within the cement mixture in response to photo stimulation. The stress measuring medium is blended with the cement mixture before water is added, allowing for effective stress monitoring.

Another significant patent is the "Stress sensor for cement or fluid applications." This system includes a non-destructive sheath that envelops a tubular structure, which is in direct contact with a lateral subterranean rock formation. The sheath is designed to sense expansive changes in the rock formation. A fiber optic is embedded in the sheath, transmitting and receiving light in proportion to these changes. A spectrometer, connected to the fiber optic, measures hydrostatic stress in the subterranean rock formation without estimating acoustoelastic effects or obstructing the tubular structure.

Career Highlights

Michael J Lance is currently associated with UT-Battelle, Inc., where he continues to innovate in the field of subterranean stress measurement. His work has been instrumental in advancing the technology used in this area, contributing to safer and more efficient practices in various applications.

Collaborations

Throughout his career, Michael has collaborated with notable colleagues, including Yarom Polsky and James Gordon Hemrick. These collaborations have further enriched his research and development efforts.

Conclusion

Michael J Lance is a distinguished inventor whose work in subterranean stress measurement has led to significant advancements in the field. His innovative patents and contributions continue to impact the industry positively.