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Energy (Oil&Gas)

JDR engineers and manufactures subsea control umbilicals and subsea power cables for the offshore oil and gas industry. Our products and offshore services constitute an essential component of the subsea infrastructure, facilitating the efficient, safe, and environmentally responsible delivery of energy to end-users.

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Static subsea cable
A cable design typically used for cables resting or buried on the seabed.
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Production umbilical
An umbilical designed to link surface and seafloor oil and gas equipment for controls, power, or heat. They provide electric and fiber-optic signals, electrical power, and hydraulic and chemical injection fluids to the subsea unit.
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Electrical and hydraulic junction boxes 
Topside connection interface cabinets.

 

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Hang off
The mechanical connection point for
a terminated umbilical onto the host platform or vessel.
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Subsea Distribution Unit (SDU)
UTA connectts the umbilical to the
Subsea Distribution Unit (SDU) which
distributes to multiple users such as trees, manifolds, pumping and boosting stations and infield tie ins.
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Vertebrae bend restrictor (VBR)
A cable protection device of interlocking
sections which, when subjected to certain bend radius, will lock and prevent further bending of the cable or umbilical inside it.

 

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Pull-in head
Used during installation to handle, lift and position an umbilical through
a J-tube to the topside platform.

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Electrical flying leads (EFL)
Connects an SUT with other subsea
equipment to provide electrical signal and power distribution.
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J-TUBE seals
A seal to prevent loss of corrosion inhibitor from within the J-tube at the umbilical exit point.
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Hydraulic flying leads (HFL)
Connects an SUT with other subsea equipment to provide hydraulic control and chemical injection distribution.
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Mid-water arch clamps
A clamp to locate the umbilical between
upper and lower catenaries of the
dynamic system.
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Tie-back clamp and anchor base
A clamp on the seabed to hold an umbilical or cable in position and prevent excessive movement at the touch-down point.

 

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Touchdown protector
Prevents abrasion of a cable at a point of dynamic movement.
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Transitional or repair joint
Connects two umbilicals or repairs a
damaged umbilical.
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Dynamic subsea cable
Designed to operate within dynamic
subsea environments.

 

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Dynamic umbilical
Designed to operate within dynamic
environments considering project specific environmental conditions, stiffness and ballast requirements.
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Hang of
The mechanical connection point
for a terminated umbilical onto the
host platform or vessel. May include
breakaway system.
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BSR latching mechanism
Connects a Dynamic Bend Strain Reliever to the base of an I or J-tube or FPSO. May include a breakaway system.

 

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Bend strain reliever (BSR)
Controls bending strain in the umbilical by providing a localised increase in stiffness.
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Umbilical termination head
(UTH) or cobra head
A Remotely Operated Vehicle (ROV)
operated stab plate attached to an
umbilical or HFL.
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Buoyancy modules
An umbilical attachment that
provides positive buoyancy and
minimises movement of a dynamic
umbilical installed between a floating
facility and the seabed.

 

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Mud mat
Subsea structure providing stability to an SUT where seabed conditions require the load to be spread across a large area to ensure seabed stability.
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Subsea umbilical termination
(SUT)
Enables multiple wells to be controlled via one umbilical or connects and distributes umbilical functional lines to other subsea equipment, manifolds and trees.

 

 

Expert solutions across the full lifecycle

JDR provides a comprehensive solution for oil and gas operators, encompassing the design of cable and umbilical systems, manufacturing, and offshore installation support.

Project Experience

Comprehensive product and offshore services approach

Our comprehensive expertise in subsea production umbilicals (SPU), subsea production umbilicals, subsea power cables, IWOCS, and subsea umbilical termination hardware empowers us to deliver complete turnkey solutions tailored to individual operator requirements. The JDR Product and Installation Service division offers installation support (testing and commissioning) as well as around-the-clock aftermarket support through a worldwide network of highly skilled and fully certified technicians. Our offshore technicians specializes in installation, hook-up, and commissioning, equipped for swift mobilization to any location globally.

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Engineering Expertise

JDR’s in-house engineering team boasts a proven track record in developing and delivering customer projects. Leveraging our expertise in cable design and specialist knowledge of termination components, we collaborate closely with our customers throughout the design phase. We provide comprehensive dynamic analysis, fatigue analysis, and seabed stability analysis to validate the suitability of our product designs. Qualification testing is available to validate our design analysis work. Our product developers are dedicated to innovating solutions that enhance long-term product performance and meet evolving industry needs.

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Key achievements and advancements in JDR’s contribution to oil&gas sector

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VLM 100Te upgrade

Enabling production of longer length cables without inline factory joints in the components. Thereby reducing cost and machine down-time and increasing production capacity and reliability.

2024
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Patent steel tube terminations

Patent granted for high strength steel tube termination solution, supporting JDR's development of steel tube umbilicals for deeper water depths.

2023
ikona 1ok-01.jpg
HLM upgrade in Hartlepool

Key milestone with the installation of a state-ofthe-art 16-carrier HLM at Hartlepool facility. This advancement significantly enhanced JDR`s manufacturing capacity, allowing for the production of complex configurations of steel tube umbilicals.

2016
ikona podwojna-01.jpg
Wintershall Ravn Project

1st Steel Tube Hybrid Umbilical incorporating a combination of steel tubes, thermoplastic hoses, LV cables and fibre optic cables.

2014
ikona podwojna-01.jpg
CNOOC LiuHua Project

Multiple Deepwater ESP Pump Umbilicals, including full qualification of LV cable inline factory joints.

2011
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Self supporting IWOCS umbilical qualification

Key test results of an umbilical system include achieving a Tensile Break of 441 kN, a Termination Break of 338 kN, and enduring 500 cycles at 100 kN during Fatigue Testing. Post-test dissection revealed minor fiber dusting, with the strength remaining 95% intact. Prototype qualification was successful in January 2010.

2010
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Littleport Twister Outrigger pay-offs & megalift

Machine upgrades enabling increased layup production capabilities.

2010
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Total Libondo

1st Subsea Power Cable manufactured in Hartlepool

2009
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Chevron/Cameron Jack St Malo Project

First project utilising JDR’s newly patented IWOCS Self Supporting Umbilical with double donut high strength termination.

2009
ikona 1ok-01.jpg
First hydraulic flying lead

This milestone represents a significant advancement in subsea technology, combining the flexibility of a thermoplastic umbilical with the leak-tight reliability of a steel tube umbilical. It proves substantial enhancements in safety, reliability, and environmental protection for customers’ installations, establishing a new standard in offshore operations.

2007
ikona podwojna-01.jpg
First IWOCS Umbilical with integrated Reeler System

First JDR/WD Close IWOCS Umbilical supplied with integrated Reeler System. This important milestone marks the start of JDR’s capability to supply the completed umbilical & reeler system.

2006
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Chevron Tahiti Project

Integrated Test Tree Umbilical and NIM Reeler Systems.

2004
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BP Swift Project

JDR made a significant milestone in 1993 by supplying its first Dynamic subsea control umbilical for BP’s Swift project. This marked a crucial step forward in subsea technology, showcasing advancements in control systems and underwater infrastructure.

1993
ikona 3 ok-01.jpg
Patent annulus umbilicals

Patent application submitted for an innovative thermoplastic hose liner solution allowing HCR hoses to be vertically deployed at deeper water depths in annulus umbilicals.

2024
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60th IWOCS Umbilical Fatigue Tested

JDR maintain a long term commitment to technical excellence through extensive representative testing using our in-house test rigs at the Littleport Facility.

2016
ikona podwojna-01.jpg
ONGC Vashishta

1st Steel Tube Flying Lead project.

2015
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Heerma Piling Hammer Project

Self Supporting Piling Hammer Umbilical, utilising bespoke terminations which incorporate dual redundant LV cable longitudinal water-blocking at the subsea end.

2013
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Statoil/FMC Aasgard Project

Largest 10 x IWOCs Umbilical and Reeler Project.

2010
ikona podwojna-01.jpg
Wavehub Project

First wave energy project, utilising bespoke designed, application specific, subsea dry-mate connections.

2010
ikona 1ok-01.jpg
Hartlepool Facility opened

Enabling cost effective production of cables and significant expansion of manufacturing capacity.

2009
ikona 3 ok-01.jpg
Patent double donut

Patent granted for double donut style termination system for open water IWOCS umbilicals more efficient and safer intervention operations and deeper water depths.

2009
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Coogee Montara Project

Dynamic Thermoplastic Production Umbilicals.

2008
ikona 1ok-01.jpg
3/8” 15,000 psi HP Hose Developed

With a diverse range of pre--qualified hoses for offshore use. Our standard, medium, and high-collapse hoses cater to shallow to ultra-deepwater projects in the GOM, Brazil, and West Africa. Currently we can offer hoses up to 20,000 psi working pressure for HT/HP projects, ensuring suitability for 90°C operational temperature.

2007
ikona podwojna-01.jpg
Vanguard Woollybutt Project

First Dynamic Thermoplastic Production Umbilical.

2004
ikona 1ok-01.jpg
Littleport Wisbech Road Facility Opens

Enabling production of IWOCS umbilicals, SPU and SSIV umbilicals in addition to thermoplastic hose and LV cable components.

2001
2024
VLM 100Te upgrade

Enabling production of longer length cables without inline factory joints in the components. Thereby reducing cost and machine down-time and increasing production capacity and reliability.

ikona 1ok-01.jpg
2024
Patent annulus umbilicals

Patent application submitted for an innovative thermoplastic hose liner solution allowing HCR hoses to be vertically deployed at deeper water depths in annulus umbilicals.

ikona 3 ok-01.jpg
2023
Patent steel tube terminations

Patent granted for high strength steel tube termination solution, supporting JDR's development of steel tube umbilicals for deeper water depths.

ikona 3 ok-01.jpg
2016
60th IWOCS Umbilical Fatigue Tested

JDR maintain a long term commitment to technical excellence through extensive representative testing using our in-house test rigs at the Littleport Facility.

ikona 1ok-01.jpg
2016
HLM upgrade in Hartlepool

Key milestone with the installation of a state-ofthe-art 16-carrier HLM at Hartlepool facility. This advancement significantly enhanced JDR`s manufacturing capacity, allowing for the production of complex configurations of steel tube umbilicals.

ikona 1ok-01.jpg
2015
ONGC Vashishta

1st Steel Tube Flying Lead project.

ikona podwojna-01.jpg
2014
Wintershall Ravn Project

1st Steel Tube Hybrid Umbilical incorporating a combination of steel tubes, thermoplastic hoses, LV cables and fibre optic cables.

ikona podwojna-01.jpg
2013
Heerma Piling Hammer Project

Self Supporting Piling Hammer Umbilical, utilising bespoke terminations which incorporate dual redundant LV cable longitudinal water-blocking at the subsea end.

ikona podwojna-01.jpg
2011
CNOOC LiuHua Project

Multiple Deepwater ESP Pump Umbilicals, including full qualification of LV cable inline factory joints.

ikona podwojna-01.jpg
2010
Statoil/FMC Aasgard Project

Largest 10 x IWOCs Umbilical and Reeler Project.

ikona 2 ok-01.jpg
2010
Self supporting IWOCS umbilical qualification

Key test results of an umbilical system include achieving a Tensile Break of 441 kN, a Termination Break of 338 kN, and enduring 500 cycles at 100 kN during Fatigue Testing. Post-test dissection revealed minor fiber dusting, with the strength remaining 95% intact. Prototype qualification was successful in January 2010.

ikona 1ok-01.jpg
2010
Wavehub Project

First wave energy project, utilising bespoke designed, application specific, subsea dry-mate connections.

ikona podwojna-01.jpg
2010
Littleport Twister Outrigger pay-offs & megalift

Machine upgrades enabling increased layup production capabilities.

ikona 1ok-01.jpg
2009
Hartlepool Facility opened

Enabling cost effective production of cables and significant expansion of manufacturing capacity.

ikona 1ok-01.jpg
2009
Total Libondo

1st Subsea Power Cable manufactured in Hartlepool

ikona podwojna-01.jpg
2009
Patent double donut

Patent granted for double donut style termination system for open water IWOCS umbilicals more efficient and safer intervention operations and deeper water depths.

ikona 3 ok-01.jpg
2009
Chevron/Cameron Jack St Malo Project

First project utilising JDR’s newly patented IWOCS Self Supporting Umbilical with double donut high strength termination.

ikona podwojna-01.jpg
2008
Coogee Montara Project

Dynamic Thermoplastic Production Umbilicals.

ikona 2 ok-01.jpg
2007
First hydraulic flying lead

This milestone represents a significant advancement in subsea technology, combining the flexibility of a thermoplastic umbilical with the leak-tight reliability of a steel tube umbilical. It proves substantial enhancements in safety, reliability, and environmental protection for customers’ installations, establishing a new standard in offshore operations.

ikona 1ok-01.jpg
2007
3/8” 15,000 psi HP Hose Developed

With a diverse range of pre--qualified hoses for offshore use. Our standard, medium, and high-collapse hoses cater to shallow to ultra-deepwater projects in the GOM, Brazil, and West Africa. Currently we can offer hoses up to 20,000 psi working pressure for HT/HP projects, ensuring suitability for 90°C operational temperature.

ikona 1ok-01.jpg
2006
First IWOCS Umbilical with integrated Reeler System

First JDR/WD Close IWOCS Umbilical supplied with integrated Reeler System. This important milestone marks the start of JDR’s capability to supply the completed umbilical & reeler system.

ikona podwojna-01.jpg
2004
Vanguard Woollybutt Project

First Dynamic Thermoplastic Production Umbilical.

ikona podwojna-01.jpg
2004
Chevron Tahiti Project

Integrated Test Tree Umbilical and NIM Reeler Systems.

ikona 2 ok-01.jpg
2001
Littleport Wisbech Road Facility Opens

Enabling production of IWOCS umbilicals, SPU and SSIV umbilicals in addition to thermoplastic hose and LV cable components.

ikona 1ok-01.jpg
1993
BP Swift Project

JDR made a significant milestone in 1993 by supplying its first Dynamic subsea control umbilical for BP’s Swift project. This marked a crucial step forward in subsea technology, showcasing advancements in control systems and underwater infrastructure.

ikona 2 ok-01.jpg

JDR's Cables Typical Constructions

JDR's Cables Typical Constructions

Production umbilical
Steel tube umbilical

Production umbilical

Thermoplastic hoses: High pressure hoses utilising high strength aramid reinforcement fibres. Customisable for specific project requirements.
Power/signal cables: Excellent communication characteristics with low crosstalk and durable construction. Suitable for highly dynamic environments and for deep waters.
Bundle assembly: Compact construction maximising space utilisation and protecting components.
Strength member package: Contrahelical multilayer construction provides a torque balanced design to provide the required axial strength and umbilical self weight for the specific project environment.
Outer layer: Durable outer jacket to provide wear resistance and to customise umbilical bending stiffness for seabed stability and for dynamic applications.

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Steel tube umbilical

Steel tubes: Steel tube options for long length applications. Alternative cost effective thermoplastic option where project requirements permit.
Power cores: Utilising high performance superclean insulation system and a market leading semiconductive longitudinal water blocking solution for superior performance.
Bundle assembly: Compact construction maximising space utilisation and protecting components.
Strength member package: Contrahelical multilayer construction provides a torque balanced design to provide the required axial strength and umbilical self weight for the specific project environment.
Outer layer: Durable outer jacket to provide wear resistance and to customise umbilical bending stiffness for seabed stability and for dynamic applications.

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Subsea Production Umbilicals

JDR is a leading provider of subsea control umbilicals, delivering products tailored for a diverse range of offshore oil & gas projects. Engineered to withstand challenging and dynamic subsea environments, our umbilicals ensure critical power, control, and monitoring links, connecting various components of offshore oil & gas fields.

Our design engineers specialize in creating products that prioritize reliability, minimize project costs, and ensure long-term product lifecycle. Leveraging our expertise in production umbilical design, we offer custom-built systems suitable for installation at varying water depths. With a deep understanding of umbilical designs and internal components, we provide customers with the most suitable design for project requirements.

 

JDR-designed subsea distribution units (SDUs) can be seamlessly integrated into project scopes, enabling multiple wells to be controlled via a single umbilical. This capability is part of a broader range of product and service offerings available from the JDR team.

Our umbilical designs incorporate steel tubes and/or thermoplastic hose conduits for hydraulic fluids and process chemicals, and electrical cables for power/signal transmission across gas or oil fields. These products play a vital role in tying back subsea trees to fixed platforms, Floating Production Storage and Offloading facilities (FPSOs), and onshore facilities.

At JDR, we offer advanced steel tube, hose, and cable components to meet the demands of high-pressure, high-temperature systems, and chemical injection requirements. Additionally, we provide complementary products including Hydraulic Flying Leads and Electrical Flying Leads.

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Subsea Power Cables

JDR is a renowned manufacturer of oil and gas subsea power cables, trusted by operators worldwide to distribute power between offshore facilities.

Our subsea power cables are designed to cover great distances and operate reliably in dynamic subsea environments for extended periods. With a strong track record in developing and delivering highly engineered subsea power cables across diverse applications.

Each of our cables designs is meticulously engineered and rated to meet the specific power requirements of our customer’s applications. We provide a range of subsea power cable solutions, which may include fiber optic communications between fixed and floating offshore installations and subsea infrastructures.

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JDR engineering team develops subsea power cables with:

  • Flexibility in materials selection and configuration of manufacturing processes, such as a variety of polymer options
  • Multi-phase AC systems with a voltage range of 1kV to 72kV
  • Both "wet" and "dry" design types using either EPR or XLPE three-layer insulation systems
  • A range of armor options
  • Coilable and non-coilable designs
  • Termination design and fitting for topside and subsea connections
  • Assembly, qualification, and in-house testing to minimize the risk of commissioning delays.
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