Mark W Burrell

Title: Mark W Burrell: Innovator in Rotary Drilling Technology

Introduction

Mark W Burrell is a notable inventor based in London, GB. He has made significant contributions to the field of rotary drilling systems, particularly with his innovative patent that enhances drilling efficiency and control.

Latest Patents

Mark W Burrell holds a patent for "Modulated bias units for steerable rotary drilling systems." This invention provides a modulated bias unit designed to control the direction of drilling for rotary drill bits when creating boreholes in subsurface formations. The unit features multiple hydraulic actuators strategically placed around its periphery, which have movable thrust members that can be hydraulically displaced outwardly to engage with the borehole formation. Each actuator is equipped with an inlet passage connected to a source of drilling fluid under pressure and an outlet passage for communication with the annulus. A selector control valve connects the inlet passages in succession to the fluid source as the unit rotates, while chokes are included to create pressure drops, enhancing the system's functionality.

Career Highlights

Mark W Burrell is associated with Camco International, Inc., where he applies his expertise in drilling technologies. His work has contributed to advancements in the efficiency and effectiveness of drilling operations.

Collaborations

Throughout his career, Mark has collaborated with notable colleagues, including John D Barr and Robert A Russell. These partnerships have fostered innovation and development in the field of rotary drilling.

Conclusion

Mark W Burrell's contributions to rotary drilling technology through his patent demonstrate his commitment to innovation in the industry. His work continues to influence the efficiency of drilling operations, showcasing the importance of inventive solutions in engineering.