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Downhole Electric Cutting Tool (DECT)

Downhole Electric Cutting Tool (DECT)

Safe, reliable, and precise

The Downhole Electric Cutting Tool (DECT) provides safe, reliable, precision pipe cutting operations without the use of dangerous chemicals or explosives.

Precision control for a machine shop quality finish

  • BHGE's DECT cuts oilfield tubulars with precision control leaving a machine shop quality finish. The remaining pipe can easily be fished using industry standard techniques, removing the need for subsequent clean up operations. The depth of penetration is accurately controlled preventing damage to external casing strings, and enabling Packer retrieval operations to be undertaken.

    The DECT can be deployed on mono-conductor wireline, and depth correlation is achieved with an analogue CCL, or by incorporating a no-go device into the toolstring.

    Tool operation is controlled by a notebook PC and surface control panel. Once the tool is positioned on-depth, anchors are set and the cutting operation is initiated. The rotating cutting head is located at the bottom of the tool. During the operation, cutting speed, cut penetration, and downhole microphone response are monitored in real-time and provide a clear indication of a successful cut. The approximate cutting time in 5 inch, 19.5 lb/ft drill pipe is four minutes.

    Downhole Electric Cutting Tool (DECT) features include:

    • Cuts pipe in either tension or compression
    • No requirement for subsequent clean up operations
    • Cuts all grades of low and high alloy steels
    • Operates in gas, oil, brine, or drilling mud
    • Multiple cuts possible during single run
    • Cuts pipe in all orientations, from vertical to horizontal sections
    • Simple maintenance–can be redressed at wellsite
    • Helicopter transportable (no hazardous materials)
    • Ideal tool for packer release, where precisely controlled a cut is required
    • Cuts all types of 4-1/2", 5" and 5-1/2" tubing (including 13 CR) and casing

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