资源描述:
《石油地震勘探资料采集(oil seismic data acquisition)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、石油地震勘探资料采集(Oilseismicdataacquisition)Thecontributionofthisarticleisfrom360respectsPdfdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.Oilseismicdataacquisition1.whatisseismicdataacquisit
2、ion?Nowwealreadyknowthattheearthquakewavereturnedtoearthcarryingalotaboutformationandthenatureoftheinformationusingtheinformationyoucanknowtheupsanddownsoftheundergroundformation,theyarehardorsoftstratumformation,itsthickness,containedintheporesofoil,naturalg
3、asorwater,etc..Sohowdoyougettheinformation?Obviously,itisnoteasytogettheseseismicwavescomingbackfromthegroundandshowthem.Firstofall,weneedtocollecttheinformationbackintothefield,thatistosay,acquisitionofseismicdatainthefield.Seismicdataacquisitionincludesseis
4、micdataacquisition,drillhole,shallowhole,buriedexplosive(whenusingexplosivesource),burieddetector,layoutcabletoinstrumentvehicle.Thetaskofmeasurementistodeterminethelocationofthemeasuringline,theexplosionpointandthereceivingpoint.ThetaskofdrillingistoprepareA
5、sakaitoentertheexplosive.Theexplosiveistoplaceexplosivesintothewelltoproduceanearthquakewaveaftertheexplosion.Theseismicwaveisreflectedbacktotherockinterfaceandisreceivedbythedetectorandtransmittedtotheinstrumentvehicle.Theinstrumentvehiclerecordsthesignalsfr
6、omthegeophone,thusobtaininganearthquakerecordforstudyingtheburiedconditionsofundergroundoilandgas.Thefielddataacquisitionofseismicexplorationmainlydealswithhowtogenerateandhowtoreceiveseismicwavesandshowthem.Firstofall,let'stakealookathowthemainequipmentandme
7、thodsofseismicwaveshavebeendeveloped.Everythingintheworldwillgothroughtheprocessofhappening,developingandperfecting.Seismicdataacquisitionisnoexception,anditsdevelopmentismainlyreflectedintheprogressofacquisitionequipment.Becauseintheprocessofequipmentdevelop
8、ment,thenewtechnologyandnewmethodsarealsoemerging,andonlywhentheequipmentisdevelopedcanthevariousadvancedmethodsberealized.Theearlyseismicinstrumentusingtubeelement,bulkyandheavy,usingpho