简介：ThispaperstudiesthecurrentavailableoptionsforfloatingproductionplatformsindevelopingdeepwateroilfieldsandthepotentialdevelopmentmodelsoffutureoilandgasexplorationintheSouthChinaSea.Adetailedreviewofcurrentdeepwaterplatformsworldwidewasperformedthroughtheexamplesofindustryprojects,andtheprosandconsofeachplatformarediscussed.Fourtypesofplatformsarecurrentlyusedforthedeepwaterdevelopment：tensionlegplatform,Spar,semi-submersibleplatform,andthefloatingproductionsystemoffloading.Amongthese,theTLPandSparcanbeusedfordrytreeapplications,andhavegainedpopularityinrecentyears.Thedrytreeapplicationenablestheextensionofthedrillingapplicationforfixedplatformsintofloatingsystems,andgreatlyreducesthecostandcomplexityofthesubseaoperation.Newlybuiltwettreesemi-submersibleproductionplatformsforultradeepwaterarealsogettingtheirapplication,mainlyduetothemuchneededpayloadfordeepwatermakingtheconversionoftheolddrillingsemi-submersibleplatformsimpossible.Theseplatformshavebeenusedindifferentfieldsaroundtheworldfordifferentenvironments;eachhasitsownadvantagesanddisadvantages.Therearemanychallengeswiththesuccessfuluseofthesefloatingplatforms.Alotoflessonshavebeenlearnedandextensiveexperienceaccumulatedthroughthemanyprojectapplications.Keytechnologiesarebeingreviewedforthesuccessfuluseoffloatingplatformsforfielddevelopment,andpotentialfuturedevelopmentneedsarebeingdiscussed.SomeofthetechnologiesandexperienceofplatformapplicationscanbewellusedforthedevelopmentoftheSouthChinaSeaoilandgasfield.
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