Objectif The ultimate aim of the project is to produce a design of glass fibre reinforced plastic caisson that is easy to manufacture, can withstand the service requirements and can be satisfactorily installed either on existing platforms (retrofits) or on new platforms. This design should reduce costs (both capital and operating) of oil and gas fields.The development of a glass fibre reinforced plastic caisson offers an alternative caisson material to steel and design that is cost effective, lightweight and maintenance free. As such, they should offer uninterrupted service lives in excess of 20 years.The delays incurred in gaining sufficient third party funds could result in SLP completing a reduced testing programme by the end of June, early July 94.The results of the testing programme have so far surpassed expectation and created a great deal of interest amongst offshore Operating Companies. Lloyds' Certifying Authority are now playing an active role in the testing programme. SLP have also created an excellent working relationship with the Dutch manufacturer Ameron BV, who have contributed considerable expertise to the programme.Llyods' are now requesting that SLP undertake static flexural testing on full scale specimens in order for GRP caissons to be used in an offshore environment as they have concerns regarding scale effects. The original plan had prevented this occuring. As the tests have so far been so successful, the operators are now more interested in sponsoring further work. However, full scale testing would not be able to be completed until the end of August because of the extra time neded to secure third party funds.The forecast expenditure curve assumes that the full scale tests will be undertaken. However, should the full scale tests not be completed in time and no further extension granted, then the work will be finished within budget.To summarize we aim to have completed in time and no further extension granted, then the work will be finished within budget.To summarise we aim to have completed all phases of the work scope by early July 94 and to have report completed by 31st August 94. However, this will probably cover a reduced scope of work for phases 3 and 4 i.e. prototype manufacture and testing.There is still possibility that full scale testing could be completed by the end of August and a report for this work completed by the end of October 94.The work is divided into five stages.PHASE ACTIVITY1 - Review of existing caisson designs and determination of an appropriate design premise for GFRP material. - Review material properties of various grades and types of GFRP for the design premise and select appropriate material grade.2 - Carry out a preliminary design exercise for engineering assessment. - Analyse caisson design for stress levels at stiffeners etc. and perform fatigue analysis. - Refine design in light of above findings in conjunction with manufacturer for ease of manufacture. - Perform desk study to assess methods of jointing. Consider installation procedures and impact on manufaturing technique.3 - Manufacture prototypes suitable for testing.4 - Undertake testing programme to confirm the predicted behaviour of the GRP caisson and to evaluate the jointing methods.5 - Preparation of installation procedures for : I. onshore - fabrication yard II. offshore - retrofit- Preparation of specifications. - Determination of time and cost estimates for design, manufacture and installation of caissons.6 - Obtain authority approvals for the developed product and marketing. Programme(s) ENG-HYDROCARB 2C - Programme (EEC) of support for technological development in the hydrocarbons sector, 1986-1989 Thème(s) 1.9 - PRODUCTION SYSTEMS Appel à propositions Data not available Régime de financement DEM - Demonstration contracts Coordinateur SLP ENGINEERING LONDON Contribution de l’UE Aucune donnée Adresse BOUNDARY HOUSE CRICKETFIELD ROAD UB8 1QG UXBRIDGE Royaume-Uni Voir sur la carte Coût total Aucune donnée
