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Specialized PDC Anti-Sticking and Plugging Drill Bit 价格:

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Key Features of the Drill Bit:

  1. Large Water Hole Design:

    • The central water hole allows plugging material (such as cement slurry or sealing agents) to pass through without clogging, ensuring uninterrupted operation.

  2. PDC Structure for Scratching the Hole:

    • The PDC cutting structure actively works to enlarge or stabilize the borehole when tripping becomes difficult, effectively reducing the risk of sticking.

  3. Wellbore Stability Solution:

    • Prevents wellbore shrinkage that can occur when using smooth drill pipe structures for plugging, ensuring a more reliable wellbore geometry.

  4. Simultaneous Drilling and Plugging:

    • Combines efficient drilling with sealing of problematic zones (e.g., fractures, vugs, or high-permeability formations), improving overall drilling efficiency and reducing downtime.

Typical Applications:

  • Used in leak-prone formations, where controlling fluid losses while maintaining drilling progress is critical.

  • Ideal for unstable formations prone to collapse or shrinkage.

  • Common in oil and gas wells, geothermal wells, and high-complexity drilling environments.

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