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Vertical Differential Structural Deformation of the Main Strike-slip Fault Zones in the Shunbei Area,central tarim basin:Structural Characteristics,Deformation Mechanisms,and Hydrocarbon Accumulation Significance

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Acta Geologica Sinica(English Edition) 2022年第4期96卷 1415-1431页

作者： TIAN Fanglei HE Dengfa CHEN Jiajun MAO Danfeng School of Energy Resources China University of Geosciences(Beijing)Beijing 100083China Key Laboratory of Marine Reservoir Evolution and Hydrocarbon Enrichment Mechanism Ministry of EducationBeijing 100083China

Vertical differential structural deformation(VDSD),one of the most significant structural characteristics of strike-slip fault zones(SSFZs)in the Shunbei area,is crucial for understanding deformation in the SSFZ and its hydrocarbon accumulation *** on drilling data and high-precision 3-D seismic data,we analyzed the geometric and kinematic characteristics of the SSFZs in the Shunbei *** with the stratification of the rock mechanism,the structural deformations of these SSFZs in different formations were differentiated and divided into four deformation *** to comprehensive structural interpretations and comparisons,three integrated 3-D structural models could describe the VDSD of these *** time-space coupling of the material basis(rock mechanism stratification),changing dynamic conditions(e.g.,changing stress-strain states),and special deformation mechanism of the en echelon normal fault array uniformly controlled the formation of the VDSD in the SSFZs of the Shunbei *** VDSD of the SSFZs in this area controlled the entire hydrocarbon accumulation ***-stage structural superimposing deformation influenced the hydrocarbon migration,accumulation,distribution,preservation,and secondary adjustments.

关键词： strike-slip fault vertical differential structural deformation hydrocarbon accumulation Shunbei area central tarim basin

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Distribution regularity of the Ordovician reef-bank reservoir inside sequence stratigraphic ework in central tarim basin

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International English Education Research 2013年第12期 186-188页

Based on the integrated study of the outcrops, the seismic, drilling and logging data of Lianglitage formation in central tarim basin, the sequence stratigraphic framework of the platform margin is built, and the Lianglitage formation is divided into 3 third-order sequences. The vertical pattern and lateral distribution for carbonate reef-bank reservoir in sequence stratigraphic framework are analyzed. The reef-bank reservoir mainly developed in highstand system tract of sequence Ssq2, and distributed along the carbonate platform margin of the Middle-Late Ordovician in central tarim basin. The mudstone mound, organic reef, granule bank are vertically stacked. Laterally, the area of well shun3-shun4-shun2-shun6 are characterized by multiphase bank reservoir overlapping, and the area of well TZ82 -TZ44 - TZ161 -TZ24 - TZ26 are characterized by multiphase organic reef and bank overlapping. The reef-bank complexes in sequence Ssq2 are the main targets of exploration in central tarim basin.

关键词： reef-shoal reservoir lianglitage formation sequence stratigraphic framework central tarim basin

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