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The Research Of Sedimentary Fades And Characters Of Reservoir Of S Oil Layer From Jiangqiao To Pingyang Eara On The North Of The Songliao Basin

Posted on:2013-09-14Degree:MasterType:Thesis
Country:ChinaCandidate:X D YiFull Text:PDF
GTID:2230330374966110Subject:Mineral prospecting and exploration
Abstract/Summary:PDF Full Text Request
To recognize clearly how is distributed regular of sand body of Gaotaizi reservoir in theWest slope,and guide exploitation of reservoir,the study is that according to results ofanalysis of lots of core samples、seismic and logging data,use principle of high-resolutionsequence technique, study and analysis on cycles and small layers of reservoir of S oil layerfrom Jiangqiao to Pingyang eara,Yao Ⅱ+Ⅲ and NenⅠ is divided into4fourth levelsequence,and according to development of sand body divided into10small layers,Build upthe district sequence stratigraphic framework.Depending on the change law of colour of mudstone and sandy ratio、distributioncharacteristics of heavy minerals and planar features of the seismic attributes,clear S oil layerthere are different provenances in different periods,which are the QiQiHaEr、YingTai andwest brachy-diagonal provenances in the S Ⅱ+Ⅲperiod and which are the north province inthe S0and S Ⅰ period.the study is that according to results of analysis of lots of core samples and logging data,and combine with logging facies,to study sedimentary facies of S oil layer from Jiangqiaoarea to Pingyang area.Recognizing that S oil layer is Depositional system from laker to delta,there are three subphases included delta front、shore-shallow lacustrine and shore-meare andten sedimentary facies:shore-shallow lacustrine sand dam microfacies;shore-shallowlacustrine mixing beach microfacies;shore-shallow lacustrine mud;shore-meare mud;turbidite sand;subaqueous distributary channel microfacies;river mouth bar microfacies;distal bar microfacies;delta front sheet sand microfacies;subaqueous interdistributary channelmicrofacies.The rule petroleum distribution rule is that the oil distribution is controlled bymicrofacies and structure,developing sand uplift piching traps and sand lens traps.At last,inorder to the analysis of defeat well,there are16aeraes of favorable target in aera of research,include303.52km2.
Keywords/Search Tags:Soil layer, sedimentary facies, Songliao basin
PDF Full Text Request
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