简介：这研究在海上的环境讨论各种各样的当模特儿的途径和对液化天然气(LNG)搬运人操作适用的维护技术的分析。各种各样的新奇建模技术被讨论；包括基因算法，模糊逻辑并且证据的推理。我们也在风险评价并且维护建模的区域在LNG搬运人工业识别这些算法的实用性。

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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