ProMILL Duo* Dual Casing Section Mill Application Breaking Records in Northern Germany.

A plug and abandonment (P&A) operation using the 9⅝ in. x 13⅜ in. ProMILL Duo system achieves a new record, 328ft long, 13⅜ in. casing window inside 18⅝ inch casing.

Results

• Successfully deployed the ProMILL Duo through 9⅝ inch casing and created a 328ft (100m) long window in 13⅜ inch casing.
• Eliminated the need to mill over 3000 feet of 9⅝ inch casing from surface.
• Successfully scraped the ID of the 18⅝ inch casing using Expandable Scraper Technology deployed through 9⅝ inch casing.
• Preserved the overall integrity of the abandonment process by ensuring that there was no damage to the 18⅝ inch outer casing string.
• A successful, complex abandonment operation was recognized by the client.

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*Mark of Wellbore Integrity Solutions.