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1、我国海洋钻井技术（MarinedrillingtechnologyinChina）1IntroductionTwenty-firstCenturyistheoceancentury,anditisparticularlyimportanttodevelopmarinescienceandtechnologyandhigh-techequipment.Inrecentyears,withtheincreasingconsumptionofoilandgasresourcesintheworldandtheaccelerationoftheexploitationo
2、flandcrudeoil,oilandgasexplorationanddevelopmentinthemarinefieldhasbecomeanewfocus.Thenext15-20yearswillbeacriticalperiodfortherapiddevelopmentofChina'soffshoredrillingmarket.BecauseofthegreatdemandforoilandgasresourcesinChina,themajordomesticoilcompanieshavedevelopedtheirdeepwaterdr
3、illingequipmentplans.Inthenext5years,Chinaoffshoreoilcompanywillinvest120billionyuanforoffshoreoilandgasexplorationanddevelopment,marineengineeringequipmentinvestmentisthemainpart,theneedtocreateavarietyoffixedandmobileproductiondrillingplatformmorethan70,includingthenewmultiseatself
4、liftingtypeandsemisubmersibledrillingplatform.Inaddition,ChinaPetroleum,Sinopec,CNOOC'sthreelargestoilgroupcompanyhasstartedtoresearchtheworkingequipmentofmarineexplorationanddevelopmentofdeepwateroilandgasprojectinthe"12thFive-Year"duringthedevelopmentofourcountrywithindependentinte
5、llectualpropertyrightsofthe3000mdeepwatersemisubmersibledrillingplatform,whichwillpromotetherapiddevelopmentofChina'soffshoreoilequipmentthe.2applicationstatusofoffshoreoilequipmentinChinaAtpresent,offshoreoilandgasexplorationanddevelopmentinChinaaremainlyconcentratedinthecontinental
6、shelfarea,depthoflessthan300m,thedrillingdepthislessthan7000m,thewaterisalmostentirelydependentonimportsofproductionequipment,offshoreoildiscoveryratewasonly18.5%,wasonly9.2%thatofnaturalgas.DatashowthatChinahasarelativelysmallnumberofoffshoredrillingplatforms.Asaninternationalcompet
7、itiveoffshoreoilcompany,thebasicconditionsofCNOOC'splatforminclude:65fixedplatforms,9selfelevatingplatforms,3semisubmersibleplatforms,andFPSO14seats.Fromthehistoryofmarineequipmentdevelopment,China'soffshoreoilequipmentdevelopmentbeganintheearly1970s.Since80s,Chinahasmadesomebreakthr
8、oughsinthede
