Brochure

TECHNOLOGY
SPOTLIGHT:
Wellstream flexible pipes
Wellstream’s unbonded dynamic flexible risers, static
flowlines, fluid transfer lines and jumpers ensure
maximum versatility when connecting subsea structures
and surface production units. Our designs comprise the
helical application of metallic wires and tapes, along with
extruded thermoplastics to form a flexible pipe structure
that can address field-specific pressure, temperature,
water depth and fluid characteristics.
Our products are ideal for new field developments that
are of continually higher complexity as well as mature
fields being upgraded for much-needed increased
recovery rates.
The Troll offshore development is one of the world’s
largest offshore gas discoveries, with an estimated
production life of over 50 years. In 1996, Wellstream
products were incorporated as to help exploit the highly
fragmented reserves via Troll B and C. Over six years, we
supplied large-diameter flowline and riser products to
support the subsea system tying clusters of wells back to
the FPUs via central manifolds.
Our project scope of supply includes:
• 220 km of 8/10-inch production flowlines
• 17 km of 10-inch dynamic production risers
• 2 km of 15-inch dynamic export risers & jumpers
• 10 km of dynamic service umbilicals (hydraulic/
electric/optics/dosing/methanol)
• 3.5 km of 4 & 6 hose gas-lift umbilicals (gas/methanol)
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