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Reservoir accumulation pattern of multi-factor recombination and procession superimposition and its application in Tarim Basin

2008; Science Press; Linguagem: Inglês

2095-8927

Xiongqi Pang, Jianbo Gao, Meng Qingyang, Wang Yingmin, Luofu Liu,

Geological Studies and Exploration

The geological characteristics and controlling factors for hydrocarbon accumulation in the superimposed basin were dis- cussed.The reservoir accumulation pattern of multi-factor recombination and procession superimposition and the method for predic- ting the favorable exploration area were proposed.The research results show that there are four geological characteristics including the multi-phase structural revolution,the multi-set of source-reservoir-seal combination,the multi-cycle hydrocarbon accumulation and the multi-phase rearrangement and reconstruction in the complicated superimposed basin of China.The hydrocarbon accumula- tion and distribution were mainly controlled by the paleohigh,source rock kitchen,regional cap rock and kinematics equilibrium belt. The basic patterns of hydrocarbon accumulation,evolution and distribution in the complicated superimposed basin were characterized by the controlling factor recombination,procession superimposition,multi-period accumulation and late period reservation.Accord- ing to the above patterns,the evolution history of four controlling factors for hydrocarbon accumulation in the research area was re- covered to predict the favorable exploration area in the Ordovician target formation of Tarim Basin in different accumulation period af- ter structural rearrangement and reconstruction