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Improve drilling efficiency and control subsurface losses in differentially pressured formations

  • BRIDGEFORM™ single-sack loss circulation material (LCM) improves wellbore stability in differentially pressured formations. The technology is the next generation of the field-proven MAX-BRIDGE™ system. The BRIDGEFORM single-sack LCM system significantly reduces induced losses and has the ability in certain applications to eliminate casing by combining two sections with different pressure profiles. The system mitigates the risk of differential sticking while maximizing wellbore stability and enhancing rates of penetration.

    Ease of application

    The dry, single-sack system not only eases logistics and mixing, but also improves performance and efficiency. The system is equally effective in both water-based (WBM) and oil-based mud (OBM) systems, showing minimal effect on rheology while maintaining emulsion stability in OBM systems.

    Additionally, it also reduces high-pressure/high-temperature (HPHT) fluid loss, minimizing formation damage through its “low invasion/spurt loss” mechanism.

    Recommended treatment

    BRIDGEFORM can be applied directly to the hopper with concentrations ranging from 5 to 20 lbm/bbl, which should be maintained in the system based on drilling conditions. Sweeps can be done using 30 to 50 lbm/bbl, as needed.

    Advantages of the BRIDGEFORM system include:

    • Single-sack dry solution
      • Simplifies use and logistics
      • Tolerates extreme storage temperatures
      • Creates a smaller product footprint on the rig
    • Multifunctional product
      • Increases ROP in deviated or horizontal wells
      • Applicable in all drilling fluid environments
    • Optimized well strengthening
      • Reduces fluid invasion into the formation
      • Improves wellbore stability in micro-fractured shale
      • Minimizes induced losses in depleted, fractured, and permeable formations
    • Mitigates drilling risks under extreme, overbalanced conditions

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