Michael E McMahan is a notable inventor based in Humble, TX (US). He has made significant contributions to the field of downhole expansion technology, holding a total of 7 patents. His innovative approaches have advanced the methods used in well construction and cementing processes.

Latest Patents

Among his latest patents is the "Method and apparatus for expanded liner extension using downhole then uphole expansion." This invention involves an expansion and cementing assembly that is run into the well as the expandable liner is made up. A work string is tagged into the expansion assembly and run to depth. Pressure drives the swage to initially expand and move uphole with the attached work string until the liner is expanded above the location of the subsequent cement placement. The assembly is then lowered to engage the guide/float shoe to perform the cementing step. The swage assembly is then released from the guide/float shoe, and the balance of the expansion is performed without further expansion against the recently placed cement. Variations without cementing are also contemplated.

Another significant patent is the "Method and apparatus for expanded liner extension using uphole expansion." In this case, an expansion assembly is run into the well as the expandable liner is made up. A work string is tagged into the expansion assembly and run to depth. Pressure drives the swage to initially expand and move uphole with the attached work string until the liner is expanded to set at least one external packer. The balance of the expansion in the uphole direction is continued until the string is expanded into sealing support of a higher string in the wellbore, and the variable swage comes out of the hole with the work string. A shoe is milled out, and the process can be repeated.

Career Highlights

Michael E McMahan is currently employed at Baker Hughes Corporation, where he continues to innovate and develop new technologies in the oil and gas industry. His work has been instrumental in improving the efficiency and effectiveness of downhole operations.

Collaborations

Throughout his career, Michael has collaborated with talented individuals such as Mark Kendall Adam and Dennis G Jiral. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Michael E McMahan is a distinguished inventor whose

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