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Research on Sequence Characteristics of Tong Bomiao Group in Southern Area of Wuerxun Hollow

Author: TianJie
Tutor: DuHongLie´╝ŤLiuChengZhi
School: Daqing Petroleum Institute
Course: Mineral prospecting and exploration
Keywords: Unan region The Tongbomiao group Sequence stratigraphy Stratigraphic framework Favorable exploration targets
CLC: P618.13
Type: Master's thesis
Year: 2010
Downloads: 15
Quote: 0
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Abstract


This paper comprehensive utilization of sequence stratigraphy , sedimentology , structural geology , petroleum geology latest theories and methods , seismic, logging , mud logging , core data , the sequence of the Unam Tongbomiao Formation strata framework , sedimentary facies in-depth analysis and research . At the same time , combined with the results of previous studies , using the research results to predict favorable zones . Fruitful sequence stratigraphy and sedimentology theory, the actual significance of the future, the area of oil and gas exploration and development , and well placement . T3 of the group Nantun of Tongbomiao interface for large regional unconformity , the overall the Unan area Tamulangou missing T4 on super to T5 , namely the the group bottom of Tongbomiao interface for T5 . On the basis of careful analysis and learn from the results of previous studies by Wells earthquake combined to achieve the unity of the drilling stratified seismic interface to establish a sequence stratigraphic framework . Strata bottom-up the Tongbomiao group is divided into four four - layer sequence that sequence TSQ1 , TSQ2 TSQ3 and TSQ4 , and each of the four layer sequence within systems tracts are fully developed , and in the four layer each sequence of depositional systems on the basis of sequence division . To clarify the effect of various control factors on Sequence by sequence analysis of the controlling factors of tectonic subsidence research , climate change , sediment supply and lake level changes . The tectonic subsidence control rift stratigraphic sequence development period . Integrated seismic , drilling and logging data , clear Tongbomiao Sedimentary facies characteristics depositional model characteristics and sedimentary systems . Nantun development of sedimentary facies type : fan delta , lacustrine and volcanic phase . Finally, on the basis of the work completed by the project , combined with the results of previous studies , circle favorable exploration target of the study area .

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CLC: > Astronomy,Earth Sciences > Geology > Of ore deposits > Deposit classification > Fuel deposits > Oil, natural gas
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