Research On Sequence Stratigraphy Of Denlouku Group And Quantouzu1st Section In Changchunling Area

In this paper, guided by the theories of sequence stratigraphy, sedimentology, petroleumgeology, with the data of seismic, logging, well log and core, Sequence Stratigraphyframework, sedimentary facies and reservoir of Denglouku Group and Quantouzu1st sectionin Changchunling area had been studied in detail. Taken the important unconformity and themax lake surface as the main line,the work of drilling and seismic delamination was done.With the characteristics of important horizons, on the basis of comparing and analying theexplanation of former person, Denglouku Group and Quantouzu1st section were divided into4sequences separately. The characteristic of sequence was analyzed.In study area,5types of facies,8types of sub facies and26types of microfacies Studyarea were identified in the study area. Aimed to characteristics of many kinds of fill materialand high change rate of sedimentary faces, reservoir anticipation was done with theconversion method. And lithology traps were recognized. And the maps of sedimentarymicrofacies were described. The sedimentary development history of study horizonns inChangchunling area was summed up.According to characteristics of the reservoir and cap rock, combined with analysis ofpetroleum geology, study horizons were divided into two sets of reservoir-cap combination.Advantage areas were anticipated.