Børre Fossli

Title: Børre Fossli: Innovator in Subsea Drilling Technology

Introduction

Børre Fossli is a notable inventor based in Oslo, Norway. He has made significant contributions to the field of subsea drilling technology, holding a total of three patents. His innovative approaches have advanced the methods used in drilling operations, particularly in managing pressure and fluid dynamics.

Latest Patents

Fossli's latest patents include a groundbreaking system and methods for controlled mud cap drilling. This subsea drilling method is designed to control the bottom hole annular pressure and downward injection rate during mud cap drilling operations. The method utilizes a mobile offshore drilling unit equipped with a low-pressure marine riser and subsea blowout preventer. By managing the hydrostatic head of a heavy annular mud, the method balances the highest pore pressure in the well and regulates the injection rate. This is achieved through the use of a subsea mud lift pump and a sophisticated control system.

Career Highlights

Throughout his career, Børre Fossli has worked with prominent companies in the drilling industry, including Enhanced Drilling AS and Ocean Riser Systems AS. His experience in these organizations has allowed him to refine his expertise and contribute to innovative drilling solutions.

Collaborations

Fossli has collaborated with various professionals in the field, including his coworker Sigbjørn Sangesland. Their joint efforts have furthered advancements in subsea drilling technologies.

Conclusion

Børre Fossli's contributions to subsea drilling technology through his patents and career achievements highlight his role as an influential inventor in the industry. His innovative methods continue to shape the future of drilling operations.