Conditions of Hydrocarbon Accumulation of Basement Reservoir of Kunbei Fault Terrace Belt in Southwestern Qaidam Basin

Abstract

Abstract: Based on the study of oil sources, tectonic setting, migration pathway, reservoir space, trap and their assemblage relations, the hydrocarbon accumulation conditions of basement reservoir in Kunbei fault terrace belt in Qaidam basin are analyzed. The study shows that Kunbei fault terrace belt close to the Qiekelike hydrocarbon source sag is a persistent developed palaeohigh. With effects of multi?tectonic movements, the reservoir space is dominated by fractures and dissolution pores, and two models for hydrocarbon accumulation in basement reservoir in Kunbei fault terrace belt are developed：one is vertical migration and accumulation model by fault and facture as channels, the other is remote source lateral migration and accumulation model by fault and unconformity

CLC Number:

TE111.1

SHI Lingling1, LI Jianming1, WANG Liqun2, WU Guangda2. Conditions of Hydrocarbon Accumulation of Basement Reservoir of Kunbei Fault Terrace Belt in Southwestern Qaidam Basin[J]. , 2012, 33(4): 1-1.

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Conditions of Hydrocarbon Accumulation of Basement Reservoir of Kunbei Fault Terrace Belt in Southwestern Qaidam Basin

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