Douglas Christian Greening

Title: Douglas Christian Greening: Innovator in Drilling Technology

Introduction

Douglas Christian Greening is a notable inventor based in Calgary, Canada. He has made significant contributions to the field of drilling technology, holding a total of 14 patents. His work focuses on improving drilling operations through innovative systems and methods.

Latest Patents

One of Greening's latest patents is titled "Systems and methods for estimating drill bit rotational velocity using top drive torque and rotational velocity." This patent addresses the estimation of rotational velocity and torque of a drill bit during drilling operations. It utilizes measurements taken from the top drive system, applying governing equations to enhance the accuracy of these estimations. Another significant patent is "System and method for mitigating stick-slip." This invention provides a method for rotating a drill string to reduce stick-slip oscillations, which can hinder drilling efficiency. The method involves measuring torque values and adjusting the rotational speed of the drive system based on these measurements.

Career Highlights

Throughout his career, Greening has worked with various companies, including Nabors Drilling Technologies USA, Inc. and Restaurant Technology Inc. His experience in these organizations has contributed to his expertise in drilling technology and innovation.

Collaborations

Greening has collaborated with notable individuals in his field, including Gerald A. Sus and Ron Dorsten. These collaborations have likely enriched his work and led to further advancements in drilling technology.

Conclusion

Douglas Christian Greening is a prominent inventor whose work in drilling technology has led to significant advancements in the industry. His innovative patents and collaborations reflect his commitment to improving drilling operations.