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Unbonded Flexible Pipe Products for Static Flowline and Dynamic
Riser Applications
Comprised of a
multi-layer structure of helically wound metallic wires and tapes and
extruded thermoplastics, Wellstream's unbonded flexible pipe systems are
individually tailored to meet the specific requirements of each customer,
based on conveyed fluid composition, pressure, temperature, water depth,
service conditions and application. System development involves riser and
flowline configuration design, interface engineering, design verification
and supply of the ancillary equipment (bend stiffeners, restrictors,
buoyancy, clamps and flanges).
During the last 10
years, over 430 Wellstream product lines have entered service. The total
length of these lines is over 1,200km and 17% were installed in water
depths over 1,000m.
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 Roughbore
Flexible Pipe and Smoothbore Flexible Pipe
Suited to riser and
flowline applications. Manufacturing capability ranges from 2-inch ID to
24-inch OD with reel and carousel based manufacturing capability.
Smoothbore designs are particularly suited to water injection service,
for applications involving chemicals, hydraulic fluids, and highly
corrosive media.
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Deepwater
Flexible Pipe Systems
For total field
development scenarios to include: risers, flowlines, offloading lines and
export lines.
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Onshore
Tiebacks
Focused on
providing fit for purpose products to meet the infrastructure led cost
challenges of economic field development, through the targeted
optimisation of pipe structures, materials and end fittings. Suited to
both onshore and subsea tieback applications.
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High
Pressure Hoses
To provide a high
pressure conduit for Early Well Tests (EWT) and Well Stimulation
Activities. All products are qualified to API RP17B, and protected by an
external stainless steel abrasion and impact layer. Current qualified
products to 15,000psi include 3-inch to 5-inch ID.
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