Offshore Decommissioning

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WorleyParsons is a global leader in decommissioning, serving key offshoreand onshore energy, resource and complex industries worldwide.

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  • Decommissioning Capability & Experience 1

    DecommissioningCapability & Experience

  • WorleyParsons2

    WorleyParsons is a global leader in decommissioning, serving key offshore and onshore energy, resource and complex industries worldwide.

    WorleyParsons responds to industry challenges in the emerging decommissioning market:

    Cost efficiency and geographical differentiation

    Equipment availability

    Peer analysis

    Training & retention

    Local delivery, global support 40,400 people | 165 offices | 41 countries

    Local Office

    Global Hub

    BlackfaldsSaskatoonLloydminster

    EdmontonFort St JohnsCold Lake

    Fort McMurray

    KitimatGrande Prairie

    St. John's

    Philadelphia

    Iselin

    Oak RidgeChattanooga

    Reading

    BayportHouston

    Dallas

    Tulsa

    ShenyangBeijingTianjin

    NanjingShanghai

    Ulaanbaatar

    Bintulu

    Kota Kinabalu

    Miri

    Darwin

    PerthBunbury Adelaide

    FootscrayGeelong

    Bell BayMelbourne

    WollongongSydneyNewcastle

    MalaccaKuantanKerteh

    Kuala Lumpur

    Chengdu

    Lian Yungang

    Hong Kong

    Namibia Windhoek

    KimberleyDurban

    PretoriaSecunda

    Port Elizabeth

    Bloemfontein

    Cape Town

    Gladstone

    AucklandNew Plymouth

    MackayTownsville

    BrisbaneSingleton

    Blenheim

    Shenzhen

    Indonesia Balikpapan

    Indonesia JakartaEast Timor Dili

    Iraq BasrahKuwait Ahmadi

    Bahrain Manama UAE Dubai

    Oman Muscat

    Egypt CairoSaudi Arabia Al Khobar

    Saudi Arabia YanbuQatar Doha Oman Sohar

    India MumbaiIndia Hyderabad

    UAE Abu Dhabi

    Bulgaria Stara ZagoraBulgaria Sofia

    Brazil Belo Horizonte

    Brazil Brasilia

    Brazil Rio de Janeiro

    Colombia Bogota

    Port of Spain Trinidad

    Peru Lima

    Brazil Sao Paulo

    Argentina Buenos Aires

    Chile Santiago

    Gloucester

    Las VegasDenver

    Idaho FallsBillings Bismarck

    Calgary

    Fountain ValleyMonrovia

    PhoenixArcadia

    Sacramento

    Richland

    VictoriaBurnaby

    Vancouver, WA

    Ghana Accra Nigeria Lagos

    Angola Luanda

    Hawkes BayWellington

    Christchurch

    United Kingdom

    Canada

    United States Anchorage

    United States

    Kazakhstan Astana

    Kazakhstan AtyrauKazakhstan Almaty

    Russia Moscow

    Spain Madrid

    Leeds

    Bristol WokingLondon

    Netherlands DelftCzech Republic Plzen

    ManchesterTeesside

    TivertonMississauga

    Sudbury

    Sarnia

    Nanticoke

    Markham

    Chicago

    China

    Malaysia

    Thailand Bangkok

    Vietnam Ho Chi Minh City

    Vietnam Hanoi

    Brunei Kuala Belait

    Singapore

    South Africa

    Australia

    New Zealand

    Kunming

    KazakhstanTengiz UzbekistanTashkent

    Aberdeen

    Chile Los Andes

    Chile Rancagua

    Boston

    Canberra

    Kazakhstan Aksai

    Concord

    Thailand Sriracha

  • Decommissioning Capability & Experience 3

    Local Office

    Global Hub

    BlackfaldsSaskatoonLloydminster

    EdmontonFort St JohnsCold Lake

    Fort McMurray

    KitimatGrande Prairie

    St. John's

    Philadelphia

    Iselin

    Oak RidgeChattanooga

    Reading

    BayportHouston

    Dallas

    Tulsa

    ShenyangBeijingTianjin

    NanjingShanghai

    Ulaanbaatar

    Bintulu

    Kota Kinabalu

    Miri

    Darwin

    PerthBunbury Adelaide

    FootscrayGeelong

    Bell BayMelbourne

    WollongongSydneyNewcastle

    MalaccaKuantanKerteh

    Kuala Lumpur

    Chengdu

    Lian Yungang

    Hong Kong

    Namibia Windhoek

    KimberleyDurban

    PretoriaSecunda

    Port Elizabeth

    Bloemfontein

    Cape Town

    Gladstone

    AucklandNew Plymouth

    MackayTownsville

    BrisbaneSingleton

    Blenheim

    Shenzhen

    Indonesia Balikpapan

    Indonesia JakartaEast Timor Dili

    Iraq BasrahKuwait Ahmadi

    Bahrain Manama UAE Dubai

    Oman Muscat

    Egypt CairoSaudi Arabia Al Khobar

    Saudi Arabia YanbuQatar Doha Oman Sohar

    India MumbaiIndia Hyderabad

    UAE Abu Dhabi

    Bulgaria Stara ZagoraBulgaria Sofia

    Brazil Belo Horizonte

    Brazil Brasilia

    Brazil Rio de Janeiro

    Colombia Bogota

    Port of Spain Trinidad

    Peru Lima

    Brazil Sao Paulo

    Argentina Buenos Aires

    Chile Santiago

    Gloucester

    Las VegasDenver

    Idaho FallsBillings Bismarck

    Calgary

    Fountain ValleyMonrovia

    PhoenixArcadia

    Sacramento

    Richland

    VictoriaBurnaby

    Vancouver, WA

    Ghana Accra Nigeria Lagos

    Angola Luanda

    Hawkes BayWellington

    Christchurch

    United Kingdom

    Canada

    United States Anchorage

    United States

    Kazakhstan Astana

    Kazakhstan AtyrauKazakhstan Almaty

    Russia Moscow

    Spain Madrid

    Leeds

    Bristol WokingLondon

    Netherlands DelftCzech Republic Plzen

    ManchesterTeesside

    TivertonMississauga

    Sudbury

    Sarnia

    Nanticoke

    Markham

    Chicago

    China

    Malaysia

    Thailand Bangkok

    Vietnam Ho Chi Minh City

    Vietnam Hanoi

    Brunei Kuala Belait

    Singapore

    South Africa

    Australia

    New Zealand

    Kunming

    KazakhstanTengiz UzbekistanTashkent

    Aberdeen

    Chile Los Andes

    Chile Rancagua

    Boston

    Canberra

    Kazakhstan Aksai

    Concord

    Thailand Sriracha

    Decision Management

    Decommissioning studies

    Strategy identification & development

    Technical and non-technical risk

    Comparative economic assessment

    Project and Engineering

    Project prioritization

    Late field life & abandonment

    Stakeholder interface

    Infrastructure maintenance

    Health, Safety and Environment

    Ongoing liabilities

    Remediation strategies

    Restoration techniques

    Waste management

    Environmental research

    Our decommissioning expertise

  • WorleyParsons4

    Complexities of Decommissioning

    Module, Process and Utilities Separation

    Safety critical element performance

    Waste management

    Engineering DownDecision support packagesRisk registersCleaning Decommissioning pipelinesDe-energizing topsides and

    seabed facilitiesSpares optimization

    Late Life FieldOperations

    Maintenance strategyDecommissioning

    methodologyCost estimateElectrical power

    distributionUtilities engineering

    Continuing Liability

    Close out documentationMonitoring program

    Disposal

    Load in analysisHazardous waste controlDisposal routes

    Removal

    Commercial and contracts Lift and sea fastening

    designCutting methodologyPlanning

    Project Management

    Project engineering Project servicesQuality assuranceSafety Management

    SystemsOperations support

    FEED

    Decommissioning methodology

    Cost estimatesEconomic analysisQuality assurance

  • Decommissioning Capability & Experience 5

    WorleyParsons understands the complexity of the challenges in decommissioning planning, engineering and execution and responds with cutting-edge technology and cost-effective solutions to meet your needs.

    Strategy for re-use of facilities post CoP

    Re-engineer existing utilities, process plant and structure

    Reduction in modification costs circa US$7.6million (GBP5M)

    Challenge

    Solution

    Benefit

    Minimize decommissioning duration post cessation of production

    Decommissioning program with a phased approach

    Saving of up to two years in duration of project

    Selection of decommissioning methodology

    Economic, environmental and cost benefit modeling

    Fully evaluated selection with auditable conclusions

    Our delivery

    value to customer

    WorleyParsons response

  • WorleyParsons6

    Strong performanceWorleyParsons has leading decommissioning experience across the world. Our network of over 40,000 professionals delivers global support tailored to our customers specific requirements.

    WorleyParsons has been providing Apache Energy with award-winning innovative design and engineering solutions for its marginal fields. As part of our Engineering Services Alliance, WorleyParsons annually puts together methodology and a cost estimate for decommissioning 22 offshore assets. The cost estimate also includes decommissioning work for associated pipelines and onshore facilities.

    CUStOMER APACHE EnERgy AUStRALiA LOCAtiOn AUStRALiAPHASE

    Field Abandonment Study

  • Decommissioning Capability & Experience 7

    Decommissioning FPSOCUStOMER: COnFiDEntiAL LOCAtiOn: WESt AFRiCA

    A decommissioning plan, cost estimate and schedule for an offshore oil platform, removal of remote subsea wells, pipelines and FPSO in deepwater West Africa was developed. The work included a cleaning plan to remove hazardous waste from the facilities and FPSO and the engineering and operations support for decommissioning and demobilization of the FPSO and subsea equipment. WorleyParsons provided engineering and analysis to support the disconnection of the risers, umbilicals and mooring legs from the FPSO during the planning and execution stages. WorleyParsons executed the marine consultancy and offshore operations supervision during the disconnection and demobilization operations offshore.

    Key Asset Abandonment StudyCUStOMER: COnFiDEntiAL LOCAtiOn: COnFiDEntiAL

    WorleyParsons performed a decommissioning and abandonment plan of offshore assets. The study consisted of a detailed cost estimate that evaluated the removal

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