Gary Johnston

Title: Innovations by Gary Johnston

Introduction

Gary Johnston is a notable inventor based in Balmedie, GB. He has made significant contributions to the field of wellbore technology, holding a total of 6 patents. His work focuses on methods that enhance the efficiency and effectiveness of tubular strings used in subterranean applications.

Latest Patents

One of Gary's latest patents is titled "Methods for expanding tubular strings and isolating subterranean zones." This invention relates to tubulars that may be part of a tubular string for isolating one or more zones within a wellbore. In one embodiment, the tubular string includes a first expandable zone isolation unit disposed on a first side of a zone to be isolated, a second expandable zone isolation unit disposed on a second side of the zone to be isolated, and a perforated tubular disposed in fluid communication with a producing zone. The tubular string may be expanded using an expansion assembly that features a first expander for expanding the first and second expandable zone isolation units and a second expander for expanding the at least one perforated tubular. Tags or markers along the tubular string may indicate locations where expansion is desired, ensuring that connections or connectors between joints are not expanded.

Another significant patent is related to "Rotary expansion." This invention involves an expansion member for a rotary expansion tool, which comprises a spindle adapted to be supported at both ends, and a roller mounted concentrically on the spindle. A sealed lubrication system is contained within the spindle for supplying lubricant to a bearing or bearing surface at the interface between the spindle and the roller.

Career Highlights

Gary Johnston is currently employed at Weatherford/Lamb, Inc., where he continues to innovate and develop new technologies in the field. His expertise and dedication have made him a valuable asset to the company.

Collaborations

Throughout his career, Gary has collaborated with talented individuals such as Annabel Green and Lev Ring. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.

Conclusion

Gary Johnston's innovative work in the field of wellbore technology has led to significant advancements, as evidenced by his multiple patents. His contributions continue to shape the industry and improve the methods used in subterranean applications.