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  • Section milling is a conventional method for casing removal during plug and abandonment (P&A) operations where annular well integrity is compromised or questioned. The removal of casing by milling a window provides full access to the virgin formation, enabling placement of a rock-to-rock barrier. Swarf is an unavoidable byproduct of section milling, generating thousands of pounds of these sharp metal cuttings that have to be removed from the well. Retrieving and handling the swarf is a time-consuming and costly process and poses additional health, safety, and environmental (HSE) risks, and often times operators will opt for less reliable options, like perf-and-wash, just to avoid swarf.

    Baker Hughes, a GE company (BHGE), offers the HEAVY METAL™ swarf-free section milling service to provide a reliable solution without the negative side effects of swarf. It eliminates swarf to surface through a unique upwards milling process, depositing swarf deep in the rathole, while still enabling a secure rock-to-rock barrier. This unique system reduces time and costs in half—eliminating the need for swarf removal and the risks that swarf presents to people, equipment, and the environment.

    A comprehensive solution

    A BHGE dedicated project management team can oversee the entire P&A project—from planning phase through final abandonment—all with a strong focus on safety and efficiency. With a single point of contact, customers achieve a simplified, streamlined process that helps reduce time and minimize risk.

    Contact your local representative today to learn more about how the HEAVY METAL swarf-free section milling service can help lower your risks so you can take the savings.


    • Permanent P&A operations
    • Casing removal where annular well integrity is compromised
    • Wells where casing has been partially cemented without achieving the desired isolation

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