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Research Of Sedimentary Characteristics In Nantun Group Southern Area Of Wuerxun Depression

Posted on:2012-04-14Degree:MasterType:Thesis
Country:ChinaCandidate:G P WangFull Text:PDF
GTID:2210330338955011Subject:Geological Engineering
Abstract/Summary:PDF Full Text Request
Thesis is about southern HAILAR BASIN Research Nantun exploration, full use of existing geological, geophysical, drilling and comprehensive research data, comprehensive application of sequence stratigraphy, sedimentology, structural geology, petroleum geology Theory and methods, the use of seismic, well logging, core, etc., the establishment of high-precision Wuerxun depression basin sequence stratigraphic framework, sedimentary characteristics Nantun carried out research, defined the distribution of each sequence Nantun Summarizes the area of plane layers of sedimentary facies distribution characteristics. Meanwhile, the combined results of previous studies, the use of the favorable results of the study area to predict reservoir facies.Through the study of sequence stratigraphy, the establishment of the zone identification of each sequence interface, with well seismic, cross validation, the sequence stratigraphic division, will be divided into two levels Nantun sequences (SQNland SQN2), four of seven Sequence (N1SQ1, N1SQ2, N1SQ3, N1SQ4, N2SQ1, N2SQ2 and N2SQ3), and within each of four different systems tracts of sequence are fully developed.Single well exploration well on the study area sequence, phase by a single well, and then on the region facies, sedimentary facies studies, the establishment Wunan areas suitable for logging and seismic drilling can be identified sedimentary facies, sedimentary sub-Phase classification system, concluded that full development of the area lithology, mainly of coarse clastic sedimentary rocks, whole grain coarsening from the bottom up; identified in this area fan delta, lake phase and phase 3 class submarine fan Sedimentary facies, and further divided the sedimentary facies and sedimentary facies; by seismic facies and sand prediction, the segment of each layer distribution phase characteristics of the plane.
Keywords/Search Tags:Nantun group, sequence, single well phase, sedimentary characteristic, Southern Area
PDF Full Text Request
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