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Hydril Annular BOP Packing Element Animation

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January 01, 2026
Category Connection: Hydril Annular BOP
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Tags:
#Blowout Preventer BOP #Annular Blowout Preventer #Annular BOP
Brief: Curious about how this performs in practice? Join us for a hands-on look. This animation provides a detailed walkthrough of the Forging Hydril GK Type Annular BOP Blowout Preventer, showcasing its operation principles, stripping capabilities, and how its stable piston design ensures reliable well control in demanding drilling environments.
Related Product Features:
  • Features fewer moving parts with only two key components, reducing wear points and minimizing maintenance needs.
  • Utilizes a stable long-piston design with a near 1:1 length-to-diameter ratio to prevent cocking and binding.
  • Incorporates a conical bowl piston design that acts as a sealing surface, avoiding metal-to-metal wear.
  • Includes a field-replaceable wear plate for fast and cost-effective on-site repairs.
  • Offers dual head options with screwed or latched designs for secure connections and quick access.
  • Employs a durable sealing system with large pressure-energized seals for long life and low maintenance.
  • Undergoes rigorous testing to full working pressure and meets NACE MR-01-75 standards.
  • Provides flexible packing element options with natural or nitrile rubber compounds for various conditions.
FAQs:
  • How does the Hydril Annular BOP achieve seal-off during operation?
    Seal-off is achieved by applying hydraulic pressure to the closing chamber, which raises the piston and forces the packing element into sealing engagement with drill pipes or the open bore. Well pressure assists in maintaining the seal after initial seal-off for most models.
  • Can drill pipe be moved while the BOP is closed?
    Yes, the BOP allows for stripping operations where drill pipe can be rotated and tool joints can be stripped through the closed packing element while maintaining a seal. Optimal packing element life is achieved by setting closing pressure to allow slight fluid leakage for lubrication.
  • What are the available packing element options and their applications?
    The BOP offers two rubber compound choices: natural rubber and nitrile rubber. These flexible options allow the equipment to adapt to different drilling conditions and environmental requirements.
  • What control system is required for operating this annular BOP?
    It works with any standard accumulator unit equipped with a separate pressure regulator valve for the annular BOP and sufficient accumulator volume. For subsea operations or slow-responding valves, supplementary accumulators may be added to prevent pressure fluctuations.
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