Lee Dolman

Title: **The Innovations of Inventor Lee Dolman**

Introduction

Lee Dolman, an accomplished inventor located in L'Etang la Ville, France, has made significant contributions to the field of downhole drilling technology. With a total of two patents to her name, Dolman's work focuses on enhancing the efficiency and accuracy of drilling operations through innovative measurement systems.

Latest Patents

Dolman's latest patents include applications based on fluid properties measured downhole. This innovation allows for the measurement of downhole drilling fluid as a function of time or depth. By correlating changes in drilling fluid measurements with features of the formation penetrated by a drill bit, Dolman’s patents provide critical data that can inform drilling strategies. The measurements can include density, photoelectric factor, hydrogen index, salinity, thermal neutron capture cross-section (Sigma), resistivity, slowness, slowing down time, sound velocity, and elemental composition. Notable features that can be monitored include fluid balance, hole-cleaning, kicks, shallow water flows, formation fluid properties, geosteering, geostopping, and environmental corrections.

Another significant patent involves a subsurface formation core acquisition system using high-speed data and control telemetry. This device comprises a core receiving barrel designed to connect to a drill string near a core drilling bit. It includes sensors to determine the properties of core samples introduced into the receiving barrel during drilling. This system features communication devices that transmit signals from the sensor over electrical and optical channels associated with the drill string, greatly enhancing the data acquisition process.

Career Highlights

Lee Dolman is part of the renowned Schlumberger Technology Corporation, a leader in technology for reservoir characterization, drilling, and production. Her position enables her to work at the forefront of drilling innovation, contributing valuable insights and solutions to complex engineering challenges.

Collaborations

Throughout her career, Dolman has worked alongside distinguished colleagues, including Ankur Prakash and John C. Rasmus. Their collaborative efforts reflect the spirit of teamwork and innovation prevalent in the industry, as they tackle various projects that push the boundaries of drilling technology.

Conclusion

As an inventor, Lee Dolman exemplifies the integration of creativity and technical knowledge in the field of drilling technology. Her patents not only enhance the understanding of subsurface formations but also improve the safety and efficiency of drilling operations. Dolman's contributions mark an important step in the ongoing evolution of downhole technology, showcasing the impact of innovative thinking in the energy sector.