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44 results Most recent
  • Conversion of the FPSO Glas Dowr

    Authors

    R Bos

    Date published

    1996

    Abstract

    A brief review of the Floating Production & Storage Offshore Unit (FPSO) market development is given. The Glas Dowr a new building crude carrier bought by Bluewater from a Japanese shipyard for conversion to a FPSO to be stationed between the Durward and Dauntless Fields in the North Sea is described. The conversion of this ship started in May 1996 at the Harland and Wolff facility in Belfast and the final outfitting work is to take place at an offshore construction yard on the North East coast. The conversion scope is discussed covering the hull topsides upgrading of living quarters and equipment/system modifications.

    Authors

    R Bos

    Date published

    1996

  • SafeHull application on conversion of existing tankers to FPSOs

    Authors

    Gabriel Tam ; Wei Huang

    Date published

    2004

    Abstract

    The ABS FPI Guide and the associated SH-FPSO software system have been in use for over 3 years in the design classification of FPSO new builds and conversion from existing tankers. This paper provides information regarding the classification process of FPSO conversion in an effort to address the needs of the client. It highlights the two typical conversion processes - the basic Ordinary Conversion and the optional SH(CS) Conversion. The paper focuses on the submittal data required and the structural review process as carried out by the classification society. It also discusses some of the technical perspectives as a result of the experience gained/lessons learned from the reviews which have been performed to date.

    Authors

    Gabriel Tam ; Wei Huang

    Date published

    2004

  • The FPSO conversion market

    Authors

    R Pucnik

    Publisher

    Lloyd's List Events

    Abstract

    A brief history of the development of FPSOs (floating production storage and offloading systems) is presented and their advantages listed. The present status of FPSO systems worldwide is considered including production rate size of vessels and ownership of units. The issue about ship conversion is raised. Future prospects are discussed. It is concluded that if the shipping community wants to get into the offshore oil and gas industry it must invest and develop competence in FPSO technology.

    Authors

    R Pucnik

    Date published

    2000

    Publisher

    Lloyd's List Events

  • The conversion of the VLCC Cairu into a FPSO for the Marlin Field (Bacia de Campos)

    Authors

    J Izquierdo

    Date published

    1996

    Abstract

    The VLCC Cairu is being converted into a FPSO for the Marlin Field (Bacia de Campos) which is located Northeast of Brazil in the Campos Basin at about 100 km offshore. A general description of the Cairu is given. The project planning is reviewed. The construction is discussed covering the turret mooring system and the process plant. Engineering and commissioning are each looked at.

    Authors

    J Izquierdo

    Date published

    1996

  • Cammell Laird hopes for FPSO conversions following major facility upgrade

    Authors

    MER

    Date published

    1997

    Abstract

    The ex-warship builder turned repairer Cammell Laird is entering the growing market for marine engineering skills from oil companies and contractors. It is the yard's conversion record which will be called upon if it is to enter the FPSO conversion market. This includes conversion of the Deepsea Worker drillship and conversion of Cable Installer from a supply vessel to a stern laying cable ship. Improvements to the dock facilities are described.

    Authors

    MER

    Date published

    1997

  • Candidates for conversion

    Authors

    MER

    Publisher

    IMarEST

    Abstract

    In selecting a tanker for FPSO conversion hull girder strength as well as yielding buckling and fatigue of primary and secondary structure must be verified. The Sanha built by IHI Marine United represents a foray into the FPSO newbuild market by Japan a country well known for its standardised double hull tankers used in conversion projects

    Authors

    MER

    Date published

    2005

    Publisher

    IMarEST

  • SafeHull application on conversion of existing tankers to FPSOs

    Authors

    Gabriel Tam ; Wei Huang

    Date published

    2004

    Abstract

    The ABS FPI Guide and the associated SH-FPSO software system have been in use for over 3 years in the design classification of FPSO new builds and conversion from existing tankers. This paper provides information regarding the classification process of FPSO conversion in an effort to address the needs of the client. It highlights the two typical conversion processes - the basic Ordinary Conversion and the optional SH(CS) Conversion. The paper focuses on the submittal data required and the structural review process as carried out by the classification society. It also discusses some of the technical perspectives as a result of the experience gained/lessons learned from the reviews which have been performed to date.

    Authors

    Gabriel Tam ; Wei Huang

    Date published

    2004

  • Complete planning of a FPSO conversion taking into account strength and fatigue aspects

    Authors

    M Johnson

    Publisher

    Computational Mechanics Publications

    Abstract

    When converting existing tank vessels into floating production storage and offloading systems (FPSOs) overall hull girder strength local structural member strength corrosion and fatigue need to be taken into account in the planning process. A procedure and methodology using the ABS/Safe Hull technology to determine the site specific structural strength requirements taking into account all the relevant failure modes that may be experienced by the vessel and to ascertain past and future fatigue performance are presented. The results of predictive corrosion analysis are then incorporated into determining the level of renewals required at the time of conversion.

    Authors

    M Johnson

    Date published

    1997

    Publisher

    Computational Mechanics Publications

  • Structural requirements for the conversion of an oil tanker to a FPSO as a permanent system

    Authors

    M B Fachetti ; D M de Mattos ; C A Bardanachvili

    Date published

    1997

    Abstract

    The structural requirements established in order to guarantee the feasibility of old oil tankers being converted to floating production and storage offloading units (FPSOs) are presented complementing the requirements issued by Classification Societies. First an outline is given of Classification Societies rules for FPSOs. Next Petrobras design premises are looked at. After this main structural items design is considered covering longitudinal hull girder strength cargo region turret region and new heavy structures.

    Authors

    M B Fachetti ; D M de Mattos ; C A Bardanachvili

    Date published

    1997

  • Conversion of tankers into FPSOs and FSOs: practical design experiences

    Authors

    T G Neto ; H A de Souza-Lima

    Date published

    2001

    Abstract

    The fleet of FPSOs and FSOs has been growing in pace with the number of offshore deepwater oil fields. The present fleet of FPSOs is composed of more than 65% of converted units and the fleet of FSOs of almost all converted units. The conversion of existing tankers into FPSOs or FSOs is usually quicker and more economical than newbuilding. Some aspects of FPSO and FSO conversion design for installation in deep waters are discussed. Critical issues such as the selection of the vessel to be converted and project start-up structural design installation of large-capacity production processing facilities are addressed. Diagrams appear on pages 7 to 10.

    Authors

    T G Neto ; H A de Souza-Lima

    Date published

    2001

  • Ship Repair and Conversion 97

    Authors

    BML Business Meetings

    Shelf Location

    214c

    Abstract

    Conf held 4-5 November 1997 in London UK. Papers are: The large tanker market and its current effect on the repair market - Doll Keynote presentation - Easing the bulk carrier burden - Somerville Existing single side skin bulk carriers - Tustin An owner's and operator's view of IACS with regard to Cape Class bulkcarriers - Langley Legal workshop - contracts/payments/liability /owners modifications - Mackie ISM Code - what has it done for the industry so far - Buchanan The International Safety Management Code - a part state control view - Cubbin Reconditioning of main engine components - Ros The FPSO/FSU market - Koliopulos The Petrobas P26 conversion and FPSO tie-up - Yllescas Experience gained by a shiprepairer in the conversion of two vessels into FPSO's for use on the UK continental shelf - Dobson

    Authors

    BML Business Meetings

    Publisher

    BML Business Meetings Ltd

    Shelf Location

    214c

    Date published

    1997

  • FPSO/FSO - conversion versus new build

    Authors

    S C McClure ; A C McClure

    Date published

    1993

    Abstract

    The choice between constructing a new barge or converting an existing tanker for use as a floating production and storage unit is based on three factors: the cost and time involved and the required life of the unit. Five further considerations affect the time and cost of a conversion: the start-up time frame the field life environment regulations and the tanker market. Each of these issues is discussed.

    Authors

    S C McClure ; A C McClure

    Date published

    1993

  • ABO project - the first Nigerian deepwater field on stream

    Authors

    Nicola de Simone ; Gianfederico Citi ; Sandra Marrone

    Shelf Location

    Contact IMarEST directly (CD-ROM)

    Abstract

    Abo Field has been on stream since the 5th April 2003. It is the first producing Nigerian deepwater oil field. Production with a plateau of 30000 bopd will be obtained via a leased FPSO for process storage and discharge of oil into tankers. In line with the Government's and the Company's requirement of 'zero-flaring' associated gas will be re-injected; in addition a water injection campaign is envisaged to optimise final oil recovery. FPSO conversion was carried out in 11 months and first oil was achieved after 15 months from the final investment decision. The project is introduced together with its background. The development concept is explained and project execution is described. After this interface management and FPSO life extension and conversion are covered followed by wellheads and subsea production system flowline system health and safety and installation.

    Authors

    Nicola de Simone ; Gianfederico Citi ; Sandra Marrone

    Date published

    2003

    Shelf Location

    Contact IMarEST directly (CD-ROM)

  • The conversion conundrum

    Authors

    JOT

    Shelf Location

    Contact IMarEST directly for access

    Abstract

    The successful conversion of trading tanker hulls to FPSO vessel requires thew adoption of appropriate conversion standards specific to the nature of offshore projects

    Authors

    JOT

    Publisher

    IMarEST

    Shelf Location

    Contact IMarEST directly for access

    Date published

    2006

  • Conversions vs newbuildings: general arrangement and strength issues in FPSO design

    Authors

    Marta C T Reyes ; Peter Kaleff ; Antonio C Fernandes et al.

    Date published

    2005

    Abstract

    In the present investigation the trade offs between Very Large Crude Carriers (VLCC) conversions and FPSO newbuildings are analyzed from the point of view of strength and general arrangement. Initially the design requirements for an FPSO processing a 300000 bbl./day oil field output are presented. The conversion of a typical VLCC designed to comply with such requirements is then analyzed followed by the design of an FPSO new building of equivalent storage capacity. Both alternatives are finally compared in terms of structural performance seaworthiness safety and estimated cost.

    Authors

    Marta C T Reyes ; Peter Kaleff ; Antonio C Fernandes et al.

    Date published

    2005

  • Five FPSO conversions classified

    Authors

    JOT

    Shelf Location

    Contact IMarEST directly for access

    Abstract

    Discusses how ABS has zeroed in to the burgeoning Brazilian market by classifying the most recent FPSO conversions destined for the Campos Basin.

    Authors

    JOT

    Shelf Location

    Contact IMarEST directly for access

  • FPSO World Congress and Technology Exhibition 1995

    Authors

    OCS

    Publisher

    OCS

    Abstract

    Aberdeen Exhibition and Conference Centre 11-13 Oct 95. Session 1 FPS Field Development. Papers are: Financial and commercial challenges to floating production contractors - Hulls FPSO commercial agreements - Beacom Floating production west of Shetland productioin in a hostile environment - Pridden The Kiabo Field - how to develop a marginal field using an FPSO - Abilio et al The Shell-Esso cental N Sea FPSO - Dawson Wanaea and Cossack development tanker conversion for disconnectable self propelled FPSO - Rowland Improve field economics through cost-effective extended well tests - Neely Concrete FPSO for west of Shetland and the North Sea - Valenchon The Texaco Captain Field development - Madden and Button

    Authors

    OCS

    Date published

    1995

    Publisher

    OCS

  • Structural integrity assessment of critical components of converted FPSO hulls

    Authors

    Carlos A Bardanachvili ; Alexandre M Pope ; Roberto O Goulart et al.

    Date published

    2004

    Abstract

    A thorough fatigue assessment of two FPSOs was carried out using current class rules. While for the majority of the hull structure the fatigue design approach used produced satisfactory results at the cross tie beam located at frames in the wing tanks the fatigue assessment was considered unreliable. This was evident during the conversion stage because a large number of cracks were found in welded joints of the cross tie beams during the hull conversion inspection. A simplified finite element analysis (FEA) showed that the location where the cracks were found was subjected to high cyclic loads during the operation as an oil tanker and that these loads would be also severe during the FPSO operation. Further FEA was carried out in order to estimate the hot spot stresses at the affected welded joints. The additional fatigue assessment showed that the fatigue design approach used needed to be modified to firstly explain the cracks found in the component secondly to allow for a reliable and conservative estimation of the remaining fatigue life for the cross tie beam after repair work was carried out. The resultant fatigue approach adopted showed that the cross tie beam would not survive the 20 years design requirement of the project unless modifications on the local structural design were undertaken or welded joint fatigue enhancement techniques were applied to the welded joints. To resolve the problem the project decided to adopt a controlled arc welding repair of all cracked joints followed by careful inspection and application of burr machining of weld toes as a fatigue enhancement t97702 Structural integrity assessment of critical components of converted FPSO hulls Carlos A Bardanachvili ; Alexandre M Pope ; Roberto O Goulart et al.

    Authors

    Carlos A Bardanachvili ; Alexandre M Pope ; Roberto O Goulart et al.

    Date published

    2004

  • Espadarte Deepwater Fast Track FPSO Development in the Campos Basin

    Authors

    M W J Wyllie ; C F Mastrangelo

    Date published

    2000

    Abstract

    The Espadarte FPSO is now producing in the Campos Basin offshore Brazil on a long term lease charter to Petrobras. The project involved a number of challenges including deepwater conditions a fast track schedule extensive topside processing facilities and re-conversion of an existing FPSO. Nevertheless the FPSO was successfully completed ahead of schedule and within budget and started production mid 2000. The paper describes the technical features of the FPSO along with the project execution methods adopted to meet these challenges.

    Authors

    M W J Wyllie ; C F Mastrangelo

    Date published

    2000

  • A generalised procedure for optimising FPSO size

    Authors

    A Cordy

    Date published

    1993

    Abstract

    The size of a floating production storage and offloading (FPSO) vessel has a significant impact on the economics of the field to which it is assigned. Selecting the size should therefore be based on a thorough economic evaluation. The components of this evaluation include capital cost operating cost shuttling costs production downtime ballast requirements fluid storage requirements and required deck area. A generalised procedure for size selection is presented for a FPSO conversion but it could also be applied to a new build.

    Authors

    A Cordy

    Date published

    1993