儲層及含氣性多屬性綜合預測技術研究.pdf

1、中南大學碩士學位論文儲層及含氣性多屬性綜合預測技術研究姓名：倪進鑫申請學位級別：碩士專業(yè)：地球探測與信息技術指導教師：周竹生20100530ABSTRACTWiththefurtherdevelopmentofoilexpIorationintheworld，oilandgasreservoirswhicheasytofindarelessaJldless，explorationtargetsgraduallVmoved行omlarge

2、scalestnJcturalresenroirStosmall—scalestructuralandlithologicreservoirsTherearemanyproblemsinthesesmallscalestructuralandlithologicreservoirsinprocessingandinterpretationThisp印erfocusesonthedi偉cultproblemonexplorationand

3、developmentatablockofsandstoneSuligeGasFieldAV0attributeinversionandea曲’sabsorptionanda釷enuatione艉ctareusedtopredictgasreservoirsFirst，thispaperintroducesthebasicprinciplesofAVOtechnicalandeanh’sabsorptionandattenuatione

4、儂ctandtherockphysics，includingZoeppntz’sequationandthedifferent妙pesofitsapproximateequationsApproximateequationsofZoeppritzisanalyzedtounderstandtheirspecificapplicationsSecond，thispaperintroducesseVeralcommonmethodsofA、

5、廠Oinversion，whichfocusesonthemethodofAVOattributeinversion，includingitstheoreticalreasoning，processing，andtheproductionofP—wave，S—wave，Poisson’sratioandotherpropertiesprofileThirdbasedontwomediummodel，calculatedthereflec

6、tioncoe伍cientoffourkindsofgasbearingsandstonesbyShuey’sapproximateequation，thensimulateandanalyzeAyOresponseofitscorrespondingfeatures，inordertodetenninewhichkindofthesandstoneintheGasFieldFinally，thisp印eranalyzedpre—sta

7、CkdatabythemethodsofA、廠Oattributeanalysis，intloducedsophisticatedmethodsofpre—stackprocessingThesophisticatedprestackseismicda切processingproVideahigh—qualityprestackgathersforreservoirprediction，Basedontheresearchofdifre

8、remanglegathers，fo肌edasetofnearo矗’setstackedsectionandflarof毽etstackedsectionwi血AVOcharaCteristicsPoisson’smtio，absorptioncoe衢cientandotherpropeniesareobtainedbyAVOattributeinversionandthemethodofabsorl)tionandattenuatio