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McDermott

Subsea Umbilicals, Risers and Flowlines

C o n c e p t

D e s i g

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Our innovative designand resilient structures are

work today, producing and transport

hydrocarbons or our clien

We are known or having versatile ass

extensive knowledge and experienand project execution and lessons learn

that are unmatched in the indus

Our strategic ocu

conventional eld development

foating acilities

SURF

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Integrated Capabilities

McDermott has the expertise and resources to deliver ully integrated,stand-alone or any combination o subsea eld development services.

These include easibility and concept studies to detailed engineering,

procurement, construction, installation (EPCI) and commissioning –

or all stages o eld development and all types o subsea acilities.

Deep synergies within and across our worldwide skills, tools and

geographic locations add value throughout every project. The result

is a unique eld development solution that is technically sound and

economically practical.

We have a winning combination o exemplary saety standards;

proven engineering and technology; and a global network o

abrication acilities and installation vessels.

As the industry reaches into ever deeper water and hard-to-access

reserves, we continuously push our capabilities and resources. Ongoing

enhancements to our abrication acilities and methods ensure high-

quality results. Additions and upgrades to our feet cater to our clients'

SURF needs across all water depths and installation campaigns.

Fleet expansion, with vessels like NO102 (and LV105,

for expected delivery mid-2012), reinforces our subsea

growth strategy and enhances our ability to meet the

demands of the challenging deepwater environment.

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Our deepest insight andinnovation are focused on delivering

SURF solutions safely and eciently.

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Engineering

Reality-based innovation

With hundreds o projects and rsts-o-a-

kind in subsea eld development, we have the

depth and breadth to engineer any size and

type o SURF project, anywhere in the world.

Based in Houston and supported by a

global network o oces, McDermott Subsea

Engineering services range in scope rom

early reservoir fow assurance and system

architecture to a ull suite o eld develop-

ment scenarios. This includes engineering

associated with foating production systems,

deepwater environments and conventional

shallow-water needs.

Our goal is to apply strategies and technologies

that help clients make the most o their

reserves, maximizing recovery and production.

We have executed work in every project

phase, rom easibility and concept studies

to detailed design o system architecture,

mooring and buoy-based systems, installation

and commissioning engineering.

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Specialized knowledge and

advanced technology make us a

leader in SURF engineering.

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Understanding the execution environment

allows us to perorm engineering with

construction and installation challenges in

mind. This leads to realistic cost and schedule

expectations and easier, saer and more cost-

eective construction, transportation and

installation solutions.

We can assist you in preparing a eld

development plan that is economical, reliable

and mitigates your risk through to rst oil.

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Engineering services varyfrom early reservoir analysis to

turnkey services for an arrayof scenarios – single-well

tiebacks, pipelines andshore approach designs,

to multi-drill center-phased developments.

Project Experience

Pipe-in-pipe FEED for oshore BrazilFEED or a pipe-in-pipe system or a 6,600-oot water depth development oshore

Brazil included all thermal, mechanical, structural and installation design, and analys

o pipe-in-pipe or two thermal values and three installation methods (Reel-Lay, J-La

and towing).

Best-case scenario for Equitoreal GuineaIn a eld development study or two deepwater discoveries oshore Equatorial Guinea,

our engineers evaluated gas rates and volumes to determine the best scenario or the

development base. We also prepared a preliminary capital cost estimate with fexibility t

account or uncertainties and risks associated with each scenario. The study provided insig

into uture appraisal and exploration eorts required to successully develop the elds.

Engineering options for Gulf of MexicoFor a concept screening study to evaluate ull-eld development options or a Gul o

Mexico discovery in 6,100 eet o water, we dened the preliminary eld architecture

arrangement, equipment specication, ineld fowlines, riser engineering and pipeline

export system. We also reviewed design methods or high-pressure riser systems,

established load cases or riser types and installation methods, developed motion

envelopes or strength and atigue, sized and analyzed riser options, and engaged

vendors in assessing new technologies.

MORE PROJECT EXPERIENCE ONLINE ATwww.mcdermott.com

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Project Management & Procurement

Visualizing results, prioritizing activities

While all projects require a strong and

cohesive project execution plan, it is

especially signicant in subsea. Strategies or

eld developments thousands o eet under

the sea, require a proactive, disciplined and

rigorous approach.

As such, SURF projects benet rom

our comprehensive, integrated project

management and procurement methodology.

Added to the depth o our experience and

knowledge, these strengths ensure we saely

and consistently deliver the most challenging

subsea inrastructure solutions, on schedule

and to agreed-to standards.

Project-centric approachOur project management model is built on the

skills and experience o our people, the

concepts o collaboration and integration, and

the cornerstones o saety and quality.

Consistent and structured, this approach also

allows us to be more creative and responsive in

minimizing and managing risks.

Early in a project, at initiation and planning,

is where the seeds o successul execution are

planted. They fourish during the execution

phase, as we work to deliver what has been

promised. At close-out, our Lessons Learned

system captures guidelines and precautions so

we can use them to improve perormance and

be ready or new challenges.

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LifeC ycle of aproject Initiation &Planning

Defne the scope and agree

on a detailed plan.

Initiation &PlanningDefne the scope and agree

on a detailed plan.

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Eective project management also comes

rom our strength in turnkey services. Fully

integrated EPCI reduces multiparty interace

hazards, controls the procurement process

and enhances schedule certainty.

Purchasing power

Another element o success in project

execution o subsea developments, is seamless

ocus on the procurement process – rom

planning, through purchasing to delivery.

Our global network o oces and

procurement proessionals, manage the entire

process, starting with preparation o detailed

hardware specication, data sheets and

drawings, bid packages or all components,

bid analysis and normalization.

Other activities routinely include supplier

selection; purchase order initiation; review

and approval o procedures; determination o

long-lead procurement activities; oversight

o suppliers, delivery schedules and important

interaces; and compliance with appropriate

regulatory requirements.

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ExecutionManage and control the plan.

Close-OutCapture lessons learned or use

in continuous improvement.

Close-OutCapture lessons learned or use

in continuous improvement.

SURF projects benet fromour comprehensive, integrated

project management andprocurement methodology.

ExecutionManage and control the plan.

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Construction

Building on success

Our worldwide abrication acilities and

access to spoolbase services at Helix Subsea

Construction, Inc.'s Ingleside, Texas acility

in the Gul o Mexico, support SURF projects

with onshore construction and layout, hydro-

testing, coating and insulation, welding quad

joints or steel catenary risers (SCRs), and

testing o seabed inrastructure. This includes

PLETs (Pipeline End Terminations), PLEMs

(Pipeline End Maniolds), maniolds, jumpers,

top tension riser joints, and pipe reeling or

deep and ultra deepwater environments.

Executed at strategically located abrication

acilities around the world, our onshore

construction services are accredited by ap-

propriate international certication agencies.

Our high-quality, high-productivity

Automatic Welding Systems (AWS) use the

latest technologies in welding power sources,

joint tracking and computerized control. AWS

drives ecient and timely completion o

complex subsea projects.

An advanced Multi Joint Welding acility

(MJW) at our Morgan City abrication yard,

is designed with dual, parallel ring lines to

prepare double- and quad- joint line pipe,

SCR and atigue-sensitive fowlines or deep-

water operations. Recent enhancements to

the MJW acility include a tendon abrication

product line.

Physical expansion and strategic partnershipsare extending our geographic reach and

capabilities in deepwater markets around the

world, including access to Ingleside, Texas

spool base, to serve our customers in the Gul

o Mexico and Atlantic.

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Altamira, Mexico

With direct, unrestricted deepwater access tothe Gul o Mexico, this expansive yard is ideally

suited or conventional and foating acility

projects, as well as their subsea components.

Baku, AzerbaijanUtilizing part o a abrication yard owned by

the State Oil Company o the Azerbaijan

Republic, McDermott constructs a variety o

structures and acilities or eld development

activity in the Caspian Sea.

Batam Island, IndonesiaThis acility serves the abrication o largeintegrated decks, modules, pipelines, deepwater

mooring systems and other subsea components.

Jebel Ali, UAEIn the well-established major oil and gas

producing regions o the Arabian Gul and

India, this acility handles multiple projects

or repeat customers, including conventional

structures, pipelines and subsea components.

Morgan City, USA Our original, US Gul o Mexico acility covers

more than 300 acres and has constructed

the company's largest oshore structures. It

also delivers high-quality subsea components

saely and on schedule, and houses a

dedicated MJW acility.

Qingdao, ChinaOur joint venture company McDermott

Wuchuan (with a subsidiary o China

Shipbuilding Industry Corporation) owns

a 111-acre abrication acility catering to

topsides and modules or oshore and onshore

markets worldwide, including FPSO and LNG.

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Project Experience

Fabricating subsea structures and spools for AustraliWe are abricating more than 13,000 tons o subsea structures and spools, rom ou

abrication acility on Batam Island, Indonesia, or the Gorgon Upstream Project,

oshore Northwest Australia. The scope o work encompasses various eight-slot, si

slot and our-slot maniolds, including pipeline termination structures, pipeline end

terminations, spools, well jumpers, and subsea pig launchers/receivers. Gorgon is th

world's largest subsea-to-beach LNG development, and is Australia's largest known

gas resource.

Strict welding criteria for Gulf of MexicoOur dedicated Multi Joint Welding (MJW) acility handled abrication o pipeline qua

joints or the oshore J-Lay installation o fowlines, SCRs and PLETs or the Tahiti e

in waters up to 4,300 eet deep. Maintaining consistent high-quality welds, criticalor deepwater subsea fowline installation, we completed 3,255 welds – 60 percent

o which were critical atigue-sensitive welds – all to the customer's stringent SCR

weld-acceptance criteria. Our excellent weld and material traceability o nished wo

schedule certainty and superior saety highlight the success o our MJW in supportin

customer needs.

Safety is an essential part

of who we are and the

responsibility of everyemployee. This culture

has earned us best-in-

class safety records.


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Installation

Flexible eet, comprehensive capabilities

With a growing feet o subsea construction

and pipelay vessels, we are able to meet

the increasing technical challenges o the

subsea market. Emphasizing their fexibility,

these vessels relocate as needed or project

work worldwide.

Our SURF installation includes pipelines,

fowlines, risers and umbilicals via S-Lay, J-Lay,

Flex-Lay and Reel-Lay across a range o water

depths. We also install an array o subseahardware and structures.

Our vessels readily accommodate a variety

o welding systems and we are an industry

leader in the welding o subsea high-grade

carbon steel pipelines.

Two new vessels, North Ocean 102 and Lay

Vessel North Ocean 105 (LV105 expected

delivery mid-2012), with modern subsea

installation hardware and equipment, support

a range o water depths, products and

acilities worldwide.

These include installation o submarine power

cables, control cables and umbilicals, fexible

pipelines, rigid-reeled pipelines and subsea

hardware, as well as deepwater moorings.

NO102's horizontal lay system is being

upgraded with a 330-ton top-tension Flex-

Lay tower, 275-ton AHC crane and 330-ton

hang-o clamp. A 330-ton, 33-oot grip

length, our-track tensioner will also be

installed, capable o lowering loads to a depth

o 10,000 eet.

LV105 will have a 441-ton top-tensioned

pipelay tower unit with an advanced reeled

system or rigid and fexible pipelay in a

maximum o 10,000 oot water depth.

Vessel improvements urther support

SURF installation. DB50 will enhance

its deepwater lowering system, and new

power plant and thrusters will signicantly

increase its station-keeping capability in

deeper water and harsh environments.

Completed and ongoing retting or

modication o Agile, Bold Endurance,

Emerald Sea and Thebaud Sea vessels will

enhance their deepwater construction and

support capabilities.

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Subsea spoolbase servicesThrough a rame agreement or shore-basedpipelines, stalking and spooling services with

Helix Subsea Construction, Inc., McDermott iscombining its advanced technology and high-spec welding expertise with Helix’s 120-acre

spoolbase with a 1-mile long stalk rack, atIngleside, Texas. This acility will enable us to

provide rst-class services or the constructiono pipelines and subsea structures, including

PLETs, PLEMs, maniolds and jumpers.

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Multi-purpose Construction Vessels

NO102 Dynamically positioned, ast-

transit vessel with horizontal lay system or

installing subsea hardware and deepwater

moorings. A high-capacity fexible lay

system and other upgrades will equip it or

ultra deepwater installation.

LV105 Dynamically positioned, ast-transit

vessel under construction or expected

delivery mid-2012 will have an advanced reeled

system or rigid or fexible pipelay in up to

10,000 eet o water.

Emerald Sea Dynamically positioned

combination fexible product lay and

construction support vessel with 12-man

saturation diving system.

Agile Dynamically positioned subsea construc-

tion vessel or worldwide SURF installation

activities, with fexible product lay capabilities.

Bold Endurance and Thebaud Sea

Dynamically positioned construction and dive

support vessels.

DB50 Dynamically positioned, premier heavy-

lit vessel (4,400 tons maximum) with S-Lay

and J-Lay capabilities, deepwater lowering

system and will have strengthened station

keeping ability ollowing upgrades.

DB30 Combination vessel with 3,080-ton lit

and 60-inch diameter pipelay capability.

DB27 Versatile, 2,400-ton lit capacity

combination barge or S-Laying pipe up to60-inch diameter.

DB26 Versatile, mid-size combination barge

with lit capacity o 900 tons and 48-inch

pipelay capability.

DB16 Shallow and deepwater fexibility in

installing structures and S-Laying pipe up to

48-inch diameter, with dynamic positioning.

Supporting our subsea

installation activities,

NO102 has a 7,275-ton

capacity carousel with

horizontal lay system.

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Project Experience

Jumpers and umbilicals for deepwater Gulf of MexicoLocated in up to 7,150 eet o water in the US Gul o Mexico Walker Ridge lease blocks,

Jack South and St. Malo North and South subsea drill centers tie back to the existing aci

production platorm. We will undertake abrication and installation o 21 rigid jumpers,well as transportation and installation o more than 60 miles o umbilicals, including th

control and two power umbilicals and more than 80 fying leads.

Subsea clothesline in Gulf of MexicoDuring the planning o a ast-track subsea tieback project, the customer recognized th

delays in the drilling schedule meant laying dual fowlines while the moored drilling rig w

still on site. We oered a solution or initiating the PLETs directly under the drilling rig w

a method that required only one construction vessel and kept the installation on schedu

In a "clothesline" approach, a suction pile was installed on the ar side o the drilling

rom the lay vessel. A line was then strung rom a winch on our installation vessel throu

a sheave on the suction pile by in-hauling the winch while paying out pipe.

Careful maneuver in Gulf of MexicoMcDermott oered a creative cross-haul method o recovering SCRs rom under

mooring lines and connecting them to a Spar. First, our installation vessel recovered t

pre-laid export SCRs rom the seafoor using the onboard Abandonment and Recov

system, until directly under the ve mooring lines that anchored the Spar. The SCR was th

transerred subsea to the gantry crane with specialized rigging and real-time monitoring

critical clearances. Once the SCR was transerred, the gantry crane brought the SCR to t

surace and placed it to the PLET rack anchored to the vessel's port side deck. Lowering

SCR subsea, the gantry crane installed the export SCR into the Spar receptacle.


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Creating inrastructureor eld development that datesback to the subsea industry'sbeginning, we have a rich andunique perspective.

Over the years we haveestablished a solid reputationor consistently high standards,strong constructability andinstallability, and a deep traditiono industry rsts.

Deep Experience

EPCI SURF DownunderWestern Australia

The Ichthys Gas-condensate Field

Development SURF project is the largest

subsea project win or McDermott to

date. We are undertaking EPCI and pre-commissioning or production, transer

fowline and control systems as well as

other associated SURF elements, includ-

ing more than 17,600 tons o subsea

equipment, a Riser Support Structure

and installation aids in waters up to 902

eet deep. We will also install mooring

systems or the FPSO vessel and Central

Processing Facility. For the Macedon

Gas Project, we will carry out EPCI o a

48 mile, 20-inch diameter pipeline and

will install subsea umbilicals and fexible

fowlines in waters up to 590 eet deep.

Deepwater EPCIMalaysia

Our Malaysian aliate is carrying out an

Engineering, Procurement, Construction,

Installation (EPCI) project in deepwater

Malaysia or the Kikeh Subsea Expansion

Project. Subsea inrastructure comprises

o pipelines and an umbilical and subsea

hardware package, in waters more than

4,400 eet deep or Malaysia’s rst deep-

water oil discovery in the Kikeh eld,which is located 75 miles northwest o

Labuan, Malaysia.

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First subsea development

Caspian Sea

ACG Full Field Development - Deep

Water Gunashli Phase 3 was the rst

subsea development in the Caspian Sea.

We carried out project management,

construction and installation engineer-

ing, as well as the diverless installation

o three subsea maniolds, six fexible

fowlines totaling 16.7 miles, three con-

trol umbilicals totaling eight miles, 33

umbilical fying leads, and six diverless

spool pieces. We designed, procured and

rigged up the lay installation spreadin a remote location on a vessel with

limited acilities. The project consisted

o water injection wells tied back to an

existing oil platorm.

Multiple frstsGulf of Mexico

The Morpeth Field Development is a

deepwater production and water injec-tion acility located in 1,690 eet o water.

Production rom three subsea wells is

processed on the SeaStar mini TLP. We de-

signed and installed export pipelines, three

subsea production and one water injection

well with associated controls, jumpers,

maniolds, fying leads, umbilicals, risers,

and fowline and water injection lines, as

well as installation o the TLP hull and deck.

A milestone project in a number o ways,

it was the rst subsea system we designed,

procured or and installed in the Gul o

Mexico; our rst design and installation o SCRs; rst insulated fexible fowlines in

the Gul o Mexico; and rst coiled tubing

access o a subsea production system rom

a surace TLP.

Fast trackSURFNorthern North Sea

Foinaven was the rst UK deepwater oil

eld to be developed West o the Shet-

lands, and comprised 14 subsea wells

producing oil via a maniold, through

rigid fowlines and 14 fexible risers into

an FPSO vessel weather vaned arounda moored turret. We undertook project

management, design engineering o

FPSO processing equipment, topsides

and turret, procurement and installation

o the total subsea system, including

rigid pipe reeling, umbilical lay and

installation o two 150-ton maniolds,

teen 5- by 2-inch 10,000 psi subsea

Christmas trees in up to 2,000 eet o

water comprising eight production and

seven water-injection trees, and man-

aged the diverless connection opera-

tions. We completed the developmentunder a ast-track schedule o 3.5

years rom discovery to rst oil.

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CONTACT

INFORMATIONCORPORATE

OFFICE

757 N. Eldridge Parkway

Houston, TX 77079, USA

tel: (1) 281.870.5000

ASIA PACIFIC11 Lorong 3 Toa Payoh, Block A #01-01, Jackson Square, Singapore 319579 Tel: (65) 6561.2288

ATLANTIC757 N. Eldridge Parkway, Houston, TX 77079, United States of America Tel: (1) 281.870.5000

MIDDLE EASTJebel Ali Free Zone, P.O. Box 16961, Dubai, United Arab Emirates Tel: (971) 4.883.5200

EMAIL: [email protected]

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McDermott International, Inc.Engineering, procurement, construction, installation, and project management

services to oshore oil and gas eld developments worldwide.

mcdermott.com

The information contained herein is provided for general information purposes only and is not intended or to be construed as a warranty, an oer, or any representation of

contractual or other legal responsibility. McDermott has a policy of continuous improvement of its products and services and reserves the right to change information including

specications and processes without notice.

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