Delivery Hose-4 Flat Hose-Laypart

Downhole Drilling the Surface Work hose: Moving Fluid Between Rigs and Recycling

The efficiency of your Horizontal Directional Drilling (HDD) operation depends on the rapid, reliable transfer of large volumes of fluid on the surface. Our heavy-duty Transfer and Suction/Discharge Hoses are designed to connect your mud tanks, recycling units, mixing hoppers, and pumps, ensuring a continuous, high-speed flow of drilling mud and water.

ParameterSpecification DetailsImportance/Function
Hose TypeSuction and Discharge (S&D) or Transfer HoseMust handle both pushing (discharge) and pulling (vacuum/suction) operations.
Material (Inner Tube)High-Abrasion Resistant Synthetic Rubber (e.g., SBR/NBR blend)Resists wear from abrasive solids (sand, clay, rock fines) in the drilling mud.
Material (Reinforcement)High-tensile synthetic textile plies/cord with embedded steel wire helixProvides flexibility, strength, and prevents the hose from collapsing under full vacuum when connected to a pump's suction port.
Material (Outer Cover)Weather/Ozone/UV-Resistant Synthetic RubberProtects the reinforcement layer from environmental damage, dragging, and rig oils.
Working Pressure (WP)Typically, 150 PSI to 250 PSI (Max)Sufficient for surface transfer applications; much lower than the downhole delivery hose.
Burst PressureMinimum 3:1 Safety Factor (e.g., 450 to 750 PSI)Ensures operational safety under moderate pressure spikes.
Vacuum RatingFull Vacuum (29 in. Hg)Essential for suction applications (e.g., drawing mud from an open pit or tank).
Temperature Range-40°F to +180°F (or -40°C to +82°C)Allows reliable use in diverse climates and ambient conditions.
Standard Diameters (ID)3”, 4”, 6”, 8”Dictates volume and flow rate. Larger diameters are used for high-volume mud returns.
End ConnectionsMale/Female NPT, Aluminium or Polypropylene Quick Couplings (Camlock), or Hammer Unions (if higher pressure spikes are anticipated).Ensures quick setup and secure, leak-proof connections between tanks and pumps.

Description

⭐ Key Features for Mud Handling

Unlike the high-pressure hose that goes downhole, these hoses are built for flexibility, durability against dragging, and maximizing volume at lower pressures.

  1. Superior Abrasion and Suction Capability
  • Inner Tube Resilience: Constructed with specialized internal rubber compounds (often SBR or NBR) that are highly resistant to the abrasive effects of sand, rock fines, and solids found in returned drilling mud.
  • Full Vacuum Rating: When used on the suction side of transfer pumps, the hose is reinforced with a rigid internal helix wire to prevent collapse under full vacuum conditions.
  1. Durability and Environmental Resistance
  • Rugged Outer Cover: The cover is engineered to withstand the toughest on-site conditions, including dragging over concrete, dirt, and rock, as well as exposure to UV rays, ozone, and external oil spills.
  • Extreme Flexibility: Despite its robust build, the hose remains highly flexible, allowing for easy routing, coiling, and connection between units that may be positioned at different angles or distances (e.g., connecting a recycling unit to a mud tank).
  1. Critical Applications in the Surface Loop
ApplicationFunctionKey Benefit
Mud Recycling & Solids ControlTransfers spent mud from the shale shaker or pits to the recycling unit (e.g., hydro cyclone feed).Maintains high flow rates for maximum mud cleaning efficiency.
Water Supply & MixingSupplies clean water from bulk tanks (or frac tanks) to the mixing hopper.Allows for fast batch mixing to maintain ideal mud rheology.
Pump Suction/DischargeUsed as the main suction or discharge line for transfer pumps moving mud between storage tanks.Prevents collapse under vacuum and handles the full volume of the pump.

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