Arctic & Cold Climate Capability & Experience

Worley Group offers customers a single integrated project delivery service, from well head to market, for the most challenging offshore Arctic developments. Our comprehensive global footprint enables us to provide experience and knowledge from cold climate projects around the world for our customersin local project delivery.
Worley and INTECSEA are world leaders in concept selection,design and construction of oil and gas production facilities located inremote, hostile environments.
Cold climate environments pose unique challenges that must be addressedin all phases of the asset lifecycle, from evaluation studies andconcept and technology selection,
through front-end engineering design (FEED), detailed engineering,procurement and construction management. Succeeding in the Arcticrequires a comprehensive
understanding of these challenges as they relate to engineering and design, construction, operation and safety considerations.
Our knowledge and EPCM capability in the Arctic has evolved over morethan 65 years of pioneering cold climate programs. Today, Worleyand INTECSEA possess
unparalleled concept-to-completion expertise, and bring first-of-a-kindsolutions to our customers all over the world to ensure optimal returnson investment.
Risk mitigation begins in the Select phase, where decisions have the greatest impact on business outcomes. In Deliver, unique design aspects for Arctic conditions include
analysis of the potential effects of Arctic-specific environmentalloadings (ice scour, strudel current scour, permafrost), and theeffective use of limit state design for
extreme loading conditions. Strategies such as modularization and workshare are
utilized to reduce cost and minimize schedule.
In the Improvephase we build synergies with our customers through longtermrelationship-based alliances. Innovation results from collaborationbetween Worley and our customers and is necessary in thecontinuing development of Arctic oil and gas fields.
From feasibility studies to facility operations, from onshoreprocessing to subsea pipelines, offshore topsides and LNG,Worley has the resources and capabilities
to deliver Arctic and cold climate projects in any phase.

Capability overview
Arctic Modularization
A modular approach to projects in remote environments has proven toreduce overall cost and mitigate on-site risk. Worley has over65 years of experience in Arctic modularization of both sealift andtruckable modules including interface management. Our unique expertisecombines cost and schedule optimization for modular build based on sizeand weight while considering engineering, procurement, transportationand installation time frames.
Logistics and Installation
The construction season in remote and cold climatelocations can be as brief as ten weeks. Worley has logistics andinstallation experience on remote sites countering the challenges offrozen sea, ice-bound ports and permafrost for large float-overs. Ourkey differentiator is the ability to achieve overall scheduleimprovements through value-based planning and management.
Mega-Project Delivery
Worley has an excellent track record inmega-project delivery and major field development through our FEED,EPCM and PMC services. In the last five years, Worley hassuccessfully delivered mega-projects in the Arctic with a totalinstalled cost value of over US$20 billion. We deliver in remotelocations and operations, as demonstrated on our signaturemega-projects in Sakhalin Island, the Alaskan North Slope, offshoreCanada and land-locked Kazakhstan.
Local Engagement
Deep local knowledge combined with global capability isessential to succeed in delivering and executing projects in coldregions. Through our global footprint and location-based businesses ourcustomers benefit from our extensive experience in permits, regulatoryaffairs, localization and local community involvement.

Offshore Development
Worley has delivered topsides solutions in some ofthe world’s most challenging geographies. Our market leadershipin cold climate topsides development combines our 50 year history ofengineering for fixed and floating production facilities with ourArctic expertise. Worley has been involved in many of theArctic’s currently operating offshore projects, including some onSakhalin Island and the Alaskan North Slope.
Subsea Production and Pipelines
Unique pipeline design aspects for Arctic conditionsinclude analysis of the potential effects of Arctic-specificenvironmental loadings, and the effective use of limit state design forextreme conditions. Evaluation of these challenging conditions and useof advanced subsea system design philosophies have been successfullyused by INTECSEA, which has executed the only offshore oil pipeline inthe United States Arctic and completed recent projects with flowlinebundles to manage the considerable thermal challenges.
Ice and Permafrost Engineering
Constant ice is a significant challenge of Arcticengineering. At Worley, we have developed well-defined icedesign criteria for all structures, pipelines and foundations foronshore and offshore applications. We have experience in ice modellingand impact analysis for weight loading and ice scour movementpredictions. Through INTECSEA, Worley has completed and executedinnovative foundations for permafrost conditions.
Onshore Development
Our onshore experience covers Russia, Kazakhstan, Canadaand Alaska. We have developed a niche capability in onshore gasprocessing and toxic gas reinjection at high pressures. Our globalleadership in this area is based on over 5000 projects for Arcticonshore in both greenfield and brownfield developments.
Environment and Society
Environmental management and social responsibility is a key issue forthe Arctic sector. Worley is able to provide customers acomplete approach for unique interfaces with natural, physical, social,cultural, regulatory and built environments - wherever the asset isdeveloped and operated. Our consultants help our customers toeffectively engage with communities, site, develop and operate theirassets with a sensitivity to environmental values, successfully gainproject approvals, and seek opportunities to continually improve theenvironmental performance of operations.

Infrastructure challenges may pose significant threats toa project’s success. Worley’ Infrastructure sectoroffers complete solutions for resource, energy and urban markets. Theservice offering covers environmental and restoration services,development of water, rail and port assets, power generation (acrosscoal, gas, renewable and nuclear) and transmission. As we do for ourhydrocarbons activities, Worley supports our customers acrossthe asset lifecycle, from pre-feasibility, delivery, through to assetmanagement, operation and maintenance.
Select Arctic & Cold Climate
Decisions made during the initial stages of a project have thegreatest impact on the ultimate business outcome. Worley’strategic front-end planning skills, integrated with our projectexecution capabilities and technological neutrality, provide customerswith solutions that reduce risk and optimize results.
Cold climate projects are among the riskiest projects in the industry,especially as owners pursue resources in the deep waters of the ArcticCircle. It’s important to mitigate these risks in the earlieststages of a project through the identification and evaluation ofproject options, and with a partner that has a strong history ofproject execution.
Leveraging our extensive experience in total project delivery, assetoperation and industry best practice, Worley’ Selectbusiness line provides pre-FEED services to asset owners, operators andinvestors. Our specialists have a thorough understanding of the Arcticbusiness value chain including market analysis, financial modelling,technology selection, greenfield site selection, approvals management,new plant configuration, existing plant optimizations and thedevelopment of the detailed project realization methodologies.
We also offer investment advice with accurate and reliable developmentcost and schedule services. Key decision support packages are developedto decrease risk and provide the economic basis to attain projectsanction.
Select encompasses both greenfield and brownfield developments. Ourgreenfield services include strategic planning, opportunity evaluation,and site, concept, and technology selection for major and marginal newfield opportunities. We offer brownfield optimization services whichdeliver solutions such as cost effective increases in production andwhole-of-life return from existing facilities.
Deliver Arctic & Cold Climate
Arctic reserves are now more accessible than ever for effectivehydrocarbons facilities, but, like every new market, the Arctic bringsunique risks in the form of hostile weather conditions and remotelocation execution making Arctic delivery an enormous challenge.
Worley leverages our extensive experience and capability inArctic project delivery to mitigate risk and increase deliverycertainty for our customers. Our more than 65 years of experience onover 5,000 projects for onshore and offshore developments extends fromthe unexplored eastern territories of Russia, Norway, Kazakhstan andGreenland to the more regulated western territories of northern Canadaand Alaska. This experience provides a foundation of knowledgeaccumulated from around the world to deliver our customers’project safely and efficiently, allowing owners and producers to focuson revenue-producing activities.
Modularization & Logistics
By nature, cold climate projects are in remote locations where thereare challenges associated with construction access, logistics and ashortage of local skilled labor. Worley promotes a modularapproach in these situations, which has proven to significantly reduceengineering manhours, materials cost, schedule, industrial relationsrisks and environmental impact.
Worley is a recognized global leader in modularization in allsectors, with experience spanning from the North Slope of Alaska to theCaspian region and the remote North West Shelf of Australia. Combinedwith our Arctic knowledge, this ensures projects are delivered at theoptimal cost and schedule.

Long-term relationships
Using the knowledge accumulated from over 275 international alliancesor long-term contracts, we have developed a culture and a suite ofunique tools, systems and delivery methodologies that incorporateindustry best practice to drive innovation, efficiency and performance.
Improve Arctic & Cold Climate
Worley has been involved in several long-term relationships inthe Arctic for operational excellence, asset management and productionenhancement. Our Improve projects are aimed at maintaining theintegrity of the operating asset and creating business improvements tooperate more effectively.
Worley’ Improve business line specializes in providinglong-term, performance based asset management services includingbrownfield projects and delivery of ongoing project portfolios. We havebeen involved in business improvement and operations and maintenancesupport to ensure the integrity of numerous Arctic projects.
We add value to our customers’ projects by leveraging our localknowledge and capabilities with global resources and systems. Throughour unique business model we are able to increase the breadth and depthof capabilities brought to each project, ensuring long-termsustainability for each investment.
Master Engineering Services Contract

Worley has a long-term alliance with BP Exploration Alaska to provide engineering services to support their
projects and operations groups. The scope of work includes engineering design, drafting and documentation support;
construction support and as-built; project coordination; procurement support; and project management services
for all BP Exploration Alaska’s North Slope assets. Work has been executed both locally and through workshare, utilizing
expertise from the Canadian offices in Sarnia, Edmonton, and Calgary as well as Arcadia, California. Together BP and
Worley have achieved continuous 2 million safe hours worked while reducing engineering costs through the
relocation of staff from the North Slope to Anchorage.
Local project delivery

Global experience

Proven performance
Goliat Riser and Flowline

ENI Norge’s Goliat field is located 85 km offshoreon the Barents Sea. Water depth at Goliat ranges from 325 m to 390 m.The Goliat field will be developed using subsea templates tied-back toa new Floating Production, Storage and Offloading (FPSO) unit.
A total of eight subsea templates are spread over five field sitelocations. The FPSO riser system will comprise 10 base case flexiblerisers and umbilicals, plus 10 spares. INTECSEA’s scope of workincluded concept selection for riser and flowlines, lay-outdevelopment, design of riser systems, on-bottom flowlines, gas exportpipeline, direct electrical heating system, development of installationmethodology, project schedule estimate and cost estimate.
MacKenzie Gas Pipeline Project

The MacKenzie Gas Pipeline project consists of a 1221 kmlong, 762 mm diameter gas pipeline and a 470 km long, 323.9 mm NGLpipeline. Worley was contracted to undertake conceptualengineering, pre-FEED, FEED, engineering and licensing services forthis mega-project, which has a total installed cost of US$13 billion.In addition, the scope of work included cathodic protection design,cost estimation, external coating selection, corrosion management,inspection services for the long distance pipeline operation with ahigh pressure chilled gas stream.
Second Generation / Sour Gas Injection (SGI) Project

The objective of the SGI project is to expand oil and gashandling facilities located on the Caspian Sea from 13.5 to 25 MMtonnes per year. Worley was contracted for conceptualengineering, pre-FEED, FEED and EPCM services. The early phase of theproject operated under a rigid methodology of creating innovativeideas. The project site has an extremely harsh climate withtemperatures varying from -40°C to +40°C, but the biggestchallenge faced on the project was the delivery of over 100 largemodular equipment items from around the world. Shallow draft vesselsand barges were used to transport modules through the Volga Don Riverduring the open weather window from April to November.

Proven performance

Point Thomson Initial Production System

Worley provided services for phase one of the EPCfor ExxonMobil’s Point Thomson Initial Production System locatedalong the Beaufort Sea on the North Slope of Alaska, approximately 60miles east of Prudhoe Bay. The project includes gas processingfacilities producing 10,000 barrels per day of gas condensate,infrastructure and an export pipeline.
Kashagan East Field Development Program

Worley provided concept, pre-FEED, FEED, detaileddesign engineering and PMC services for Agip KCO’s Kashagan EastField Development Experimental Program. The development comprised acombination of offshore and onshore processing facilities withassociated offsites and utilities, trunklines and export pipelines.Offshore scope included artificial islands, modularized ancillaryequipment and modularized barge-based process and utilities plant. Keychallenges included harsh climate, high hydrogen sulphide content, veryhigh reservoir pressure (780 bar), shallow water (4-6 m) andenvironmental sensitivities.

Shtokman Phase 2 & 3

This project site is characterized by harsh environmentalconditions like sea ice, icebergs, winter darkness and severe Arcticstorms. Through INTECSEA, Worley performed FEED for the subseaproduction systems with tie-backs and flexible risers for the floatingproduction facilities. The selected concept was based upon a ship-shapeFPSO capable of withstanding the conditions that may occur at the site,and topsides capable of processing 70 million cubic meters per day ofgas plus associated liquids. Produced gas will be conditioned on boardthe floating topsides and transported through subsea pipelines to themainland.

Karachaganak Field

Agip, Lukoil, Texaco, and British Gas signed a production sharing agreement with Kazakhstan, and created Karachaganak
Petroleum Operating BV in 1997,a wholly owned company for the specific development of the Karachaganak field. The scope
was to construct new facilities and expand existing facilities to allow the export of six million tonnes per year of sweetened
stabilized condensate to the Caspian Pipeline Consortium by the middleof 2003. Worley was awarded the construction management supportservices contract in relation to the above, integrated into thecustomer’s organization.
The work was executed in our UK and Kazakhstan offices.

Zhambay Block Visualization

Worley was contracted by Repsol to provide a visualization study for drilling operations as part of the Edil North and
Karabulak Development Plan. The severe winter climatic conditions coupled with the very shallow water depth in the
Zhambay block makes the use of conventional onshore and offshore equipment difficult. Worley team evaluated
several alternative facility concepts, with alternative subsea architectures and screened these options for the severe winter
conditions, as well as assessing the restrictions and protection of the local eco-system.

Rosebank Development

Rosebank Field is located in approximately 1,130 metersof water northwest of the Shetland Islands in a very harsh environment.Worley Group completed an extensive pre-FEED of the entirefacilities for Rosebank including topside, hull, marine, mooring,subsea and gas export systems. A class 2 cost estimate and level 2 EPCIschedule were also developed to support Chevron approvals.Worley developed a United Kingdom compliant, fully integrated 3DFPSO model using PDMS showing details of the topside’s process,utilities, hull, marine turret, mooring and offloading systems. We arecurrently undertaking the
FEED of the FPSO, complete with topside, mooring and riser systems and associated subsea systems.