Relationship of Neo-Hercynian Structure Deformation and Hydrocarbon Play, Lunnan
Received date: 2007-12-20
Revised date: 2008-02-20
Online published: 2008-04-10
Through research on characteristics of remaining structure, fault distribution and its profile’s property in Lunnan and its peripheral area in north Tarim basin, this article analyzes the kinematical process and origin mechanism of the structural finalization of this area in later Hercynian period, and discusses the pool\|forming mechanism of oil and gas after the structural finalization. The deformation of this area in the later Hercynian period is a stack on the basis of deformation in early Eopaleozoic, and it is also the result of integrated action of tectonic stresses in the Cambrian and Hercynian periods. Every period’s stress controls the development of faults vertical to the stress and strike-slip faults parallel to it. The long\|period oil generation and continuous oil supply by the deeply buried lower Paleozoic provides material conditions for the multistage pooling, the stack of pooling oil and gas and the multi reconstruction. This also leads to rich and colorful oil and gas in the area. Palaeo-slope of long period is an important condition of pool foramation, and the efficient association between reservoirs and traps of multi strata and the multistage pooling are the most important mechanism.
Key words： Lunnan area; Neo-Hercynian structure; Hydrocarbon play.
CHEN Zhi-yong,; LI Qi-ming ;QIAN Ling ; TAN Lin . Relationship of Neo-Hercynian Structure Deformation and Hydrocarbon Play, Lunnan[J]. Natural Gas Geoscience, 2008 , 19(2) : 193 -197 . DOI: 10.11764/j.issn.1672-1926.2008.02.193
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