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Core Barrel Assembly

Core Barrel Assembly
February 04, 2025
Category Connection: Core Barrels
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Tags:
#Wireline Core Barrels #Drilling Core Barrel #Tube Core Barrel
Brief: Discover the Bq Nq Hq Pq Head Assembly Wireline Coring System, designed for efficient wireline core drilling without lifting drill rods. This system includes core barrels, overshot, drill rods, and more, offering high drilling efficiency, long lifespan, and low labor intensity. Perfect for deep drilling applications.
Related Product Features:
  • High drilling efficiency and bit coring rate for optimal performance.
  • Long working life and low labor intensity for cost-effective operations.
  • Compatible with inner and outer tubes from other vendors for versatility.
  • Features a shut-off valve assembly for fluid pressure signaling.
  • Available in multiple sizes including BQ, NQ, HQ, and PQ for various needs.
  • Includes latching and pivoting spearpoint mechanisms for easy insertion and retrieval.
  • Bearing assembly prevents sample damage during drilling.
  • All spare parts are readily available for maintenance and repairs.
Faqs:
  • What is the advantage of using the wireline core drilling system?
    The wireline core drilling system eliminates the need to lift drill rods, offering high drilling efficiency, high bit coring rate, and reduced labor intensity, especially beneficial for deep drilling.
  • What sizes are available for the Q Series Wireline Double Tube Core Barrels?
    The Q Series Wireline Double Tube Core Barrels are available in BQ (59.3mm hole, 36.2mm core), NQ (75.2mm hole, 47.6mm core), HQ (95.6mm hole, 63.5mm core), and PQ (122mm hole, 85mm core) sizes.
  • How does the head assembly indicate a full or blocked inner tube?
    The head assembly includes a shut-off valve assembly that provides a fluid pressure signal to the drill operator when the valve members are compressed, indicating a full or blocked inner tube.
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