David L Ervin

Title: David L. Ervin: Innovator in Cementing Technology

Introduction

David L. Ervin is a notable inventor based in Edmond, OK (US), recognized for his contributions to cementing technology in the oil and gas industry. With a total of three patents to his name, Ervin has developed innovative solutions that enhance the efficiency of sidetracking operations in wellbores.

Latest Patents

One of Ervin's latest patents is the "Cementing Whipstock Apparatus and Methods." This invention provides a system and method that facilitate sidetracking by eliminating one or more trips downhole. The sidetracking system includes a whipstock assembly and a stinger assembly. The stinger assembly features a running/stinger assembly that extends at least partially through the whipstock assembly. This design allows for disconnection from the whipstock assembly after delivery downhole. Once the stinger assembly is disconnected, the sidetracking system enables the delivery of cement slurry down through the stinger assembly to form a cement plug at a desired location.

Another patent under the same title further elaborates on the technique that facilitates sidetracking by utilizing a component of the sidetracking system to grip the wall of the wellbore. This innovative approach enhances the overall effectiveness of the sidetracking process.

Career Highlights

David L. Ervin is currently associated with Smith International, Inc., where he continues to develop and refine technologies that improve cementing operations. His work has significantly impacted the efficiency and safety of drilling processes in the oil and gas sector.

Collaborations

Throughout his career, Ervin has collaborated with notable professionals in the field, including Charles H. Dewey and John Edward Campbell. These collaborations have contributed to the advancement of cementing technologies and have fostered innovation within the industry.

Conclusion

David L. Ervin stands out as a key figure in the field of cementing technology, with his innovative patents paving the way for more efficient drilling operations. His contributions continue to influence the oil and gas industry positively.