Structural Interpretation in Eastern Low Bulge of Central Tarim Uplift and New Areas of Exploration
Received date: 2010-01-06
Revised date: 2010-02-28
Online published: 2010-04-10
In this paper, structural characteristics of eastern part of the central Tarim uplift controlled hydrocarbon accumulation. By data of balanced cross-section and drilled well, we recovered the integrated structural geometry model and each stage of structural deformation, and reconstructed Paleozoic structural-depositional evolution in the eastern part of central Tarim uplift. The platform edge reef flat body was formed along the brim of middle Ordovician palaeohigh in the late Ordovician Lianglitage depositional stage. Although structure feature was established at end of later Ordovician, several intensive intracontinent compaction and thrust deformation made balance section shorten 4.5m lengthen at eastern low bulge of central Tarim uplift. Under previous structural activity, petroleum accumulation in Ordovician reservoir was controlled by fault and fissure. The platform edge reef flat body in Lianglitage Formation is a profitable area of exploration. The structural recovery suggested that a larger size platform edge reef flat body would be existed under bottom wall of fault NO.1 of Tazhong as new area of exploration.
MIAO Ji-Jun, LI Ming-He, DU Hong-Lian, FAN Lei, XIAO Jian-Ying, QIU Ming-Huan, . Structural Interpretation in Eastern Low Bulge of Central Tarim Uplift and New Areas of Exploration[J]. Natural Gas Geoscience, 2010 , 21(2) : 257 -262 . DOI: 10.11764/j.issn.1672-1926.2010.02.257
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