Harold J Engebretson

Title: Harold J Engebretson: Innovator in Gravity Measurement Technologies

Introduction

Harold J Engebretson is a notable inventor based in Longbranch, WA (US). He has made significant contributions to the field of gravity measurement technologies, holding a total of 3 patents. His work focuses on methods that enhance the accuracy and efficiency of measurements in borehole environments.

Latest Patents

One of his latest patents is titled "Method for computation of differential azimuth from spaced-apart gravity component measurements." This method provides a way to compute the differential azimuth between two sets of gravity measurement devices in a borehole, utilizing multiple rotation angles. The process involves modeling relationships of axes, forming equations, and solving them to derive rotation angles, ultimately computing the differential azimuth angle.

Another significant patent is the "Calibration correction method for magnetic survey tools." This method determines the orientation of a borehole's axis concerning an Earth-fixed reference coordinate system. It includes defining a model for magnetic interference, measuring components of the Earth's magnetic field, and computing corrected values to determine the azimuthal orientation of the borehole axis.

Career Highlights

Harold J Engebretson is currently employed at Scientific Drilling International, Inc., where he applies his expertise in gravity measurement technologies. His innovative approaches have contributed to advancements in the field, enhancing the capabilities of drilling and surveying operations.

Collaborations

He collaborates with Brett H Van Steenwyk, working together to further develop and refine technologies in their field.

Conclusion

Harold J Engebretson's contributions to gravity measurement technologies through his patents and work at Scientific Drilling International, Inc. highlight his role as an influential inventor in the industry. His innovative methods continue to impact the field positively.