This inventor holds 2 USPTO granted patents. Top assignees: Shell Oil Comapny, Shell Research Limited. Active years: 2001.
Company Filing History:
Years Active: 2001
Title: Barend Jan Pestman: Innovator in Earth Formation Surveying
Introduction
Barend Jan Pestman is a notable inventor based in Rijswijk, Netherlands. He has made significant contributions to the field of earth formation surveying, holding a total of 2 patents. His innovative work has implications for drilling and geological assessments.
Latest Patents
Pestman's latest patents include an "Earth formation surveying device" and a "Method of determining in-situ stresses." The earth formation surveying device is designed for use in boreholes, featuring a carrier body that supports survey apparatus and a drilling device. This device is equipped to progress through the borehole while removing rock particles generated during drilling. The method for determining in-situ stresses involves drilling a borehole into an earth formation and using borehole fluid to induce pressure on the borehole wall, allowing for the assessment of in-situ stresses.
Career Highlights
Throughout his career, Pestman has worked with prominent companies such as Shell Research Limited and Shell Oil Company. His experience in these organizations has contributed to his expertise in earth formation surveying technologies.
Collaborations
Pestman has collaborated with notable colleagues, including Josef Guillaume Christoffel Coenen and Cornelis Jan Kenter. These partnerships have likely enriched his work and led to advancements in the field.
Conclusion
Barend Jan Pestman is a distinguished inventor whose work in earth formation surveying has led to valuable patents and advancements in drilling technology. His contributions continue to influence the industry and enhance our understanding of geological formations.