self supporting iwoc umbilical systems

SELF SUPPORTING IWOC
UMBILICAL SYSTEMS
OIL & GAS
RENEWABLES
OFFSHORE
SERVICES
GROUNDBREAKING RIGLESS, RISERLESS INTERVENTION
SYSTEMS FOR THE JACK AND ST MALO FIELD
As a leading provider of conventional Intervention Workover Control
(IWOC) umbilicals and systems, JDR has played a key role in the
design, development and delivery of self-supporting umbilicals for
next generation well control packages.
JDR’s Self Supporting Umbilicals with patented terminations enable a range of well control
packages to be quickly deployed from a wide range of vessels without the need to run a riser.
JDR delivered two high strength open water umbilical systems to operate in water depths of
7,000ft (2100m) in the Gulf of Mexico.
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SELF SUPPORTING UMBILICAL
FOR THE JACK AND ST MALO FIELD
JDR’s successful growth through
participation in cutting-edge subsea
projects has provided a unique
awareness of industry’s needs
to explore and develop ever more
efficient methods for well control and
subsurface intervention.
JDR’s umbilical represents yet another
innovative product from JDR that challenges
industry perceptions and pushes the
boundaries of umbilical technologies.
SELF SUPPORTING UMBILICAL
ADVANTAGES
SELF SUPPORTING UMBILICAL ADVANTAGES
• S
uitable for riserless, rigless open
water applications
• Can be used to deploy UTA
• Reduced equipment and smaller footprint
• D
eployable through moonpool or
‘over the side’ from vessel of opportunity
• R
apid immediate spooling on arrival
at well sites
that of the termination assembly. JDR has
pooled its considerable industry experience
and knowledge with their US and UK based
design engineering and manufacturing
resources to push the boundaries of
conventional umbilical design limitations and
deployment techniques, developing a system
that enables riserless intervention in water
depths of up to 10,000ft / 3,000m.
Custom-engineered, patented and
manufactured by JDR, the Self Supporting
Umbilical relies on a specially designed wire
strength braid to support its own weight – and
JDR has delivered two high strength selfsupporting umbilical systems to Cameron for
Chevron’s Jack & St Malo deepwater project
in the Gulf of Mexico. The Jack and St Malo
fields are located within 25 miles (40 km) of
each other approximately 280 miles (450 km)
south of New Orleans, Louisiana, in water
depths of 7,000ft (2100m).
A comprehensive field support service
agreement includes pre-deployment testing,
repairs and operational support.
• S
ignificant day-to-day cost savings,
removes need for specialist vessels
The packages featured JDR’s high capacity
subsea termination (patent pending) and JDR’s
custom-engineered hydraulic reelers for open
water operations. Designed and manufactured
in Littleport (UK), the umbilicals were integrated
with the reelers before shipping to the field.
TEST DATA
PATENTED HIGH CAPACITY TERMINATION ASSEMBLY
In additon to a full API17E qualification
program, JDR undertook a series of tests
to evaluate and verify the strength and
compatibility of the umbilical design
under a variety of operational and
environmental workloads.
A key component of the system is JDR’s patented high strength termination assembly,
specifically engineered for increased efficiency and capability.
• R
educed risk of exposure to personnel
(eliminates riser clamping requirements)
Key findings concluded:
• 95% retention in strength of umbilical after
fatigue due to continuous reeling (employing
solid turning wheel for uniform load distribution)
Preventive maintenance and spares
management are offered as part of a life of field
healthcare programme.
Fully verified and exceeding minimum requirements, the system employs a capstan grip effect over
a series of torus rings removing over 75% of the tension from the retaining clamp.
1
2
3
1. Self-Locking Braid Retainer
2. Braid Under Full Tension
3. C
apstan Point
ermination Assembly
4. T
• Load tested at 2.5 x SWL (with no failure)
5. Umbilical
• S
uitable for continued operation at its safe
working load (SWL) of 30,000lbs (133kN) for >
50 deployment cycles
• S
ubsea Termination exceeded the specified
minimum break load (MBL) of 72,500lbs
(323kN)
JDR LITTLEPORT
Littleport Innovation Park
Wisbech Road, Littleport
Cambridgeshire CB6 1RA, UK
T +44 (0) 1353 860 022
F +44 (0) 1353 861 388
E uk@jdrglobal.com
JDR HARTLEPOOL
Maritime House
Hartlepool, TS24 OUX, UK
T +44 (0) 1429 851 890
E uk@jdrglobal.com
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UNITED KINGDOM
JDR is a leading provider of technology connecting the global offshore energy industry. Our products
and services enable vital control and power delivery to offshore oil, gas and renewable energy systems.
UNITED STATES
The world’s major energy companies and subsea service providers depend on high performance subsea
control umbilicals and subsea power cables that operate in the world’s harshest offshore environments.
JDR invests in state-of-the-art manufacturing facilities, technology and people to deliver these worldclass subsea products.
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We have a proven track record of delivering client expectations and are totally committed to lifecycle
customer service. We achieve this through our specialist engineering teams, experienced project
management, integrated safety systems and a global service network that ensures 24/7 global service support.
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