Conditions of Lithologic Reservoir Formation and Favorable Selection of Exploration Area in North Slope of Qikou Sag
Received date: 2010-03-07
Revised date: 2010-05-27
Online published: 2010-08-10
In Shahejie Formation of the north slope in Qikou sag, kinds of sedimentary systems are developed, with varied types of sand bodies. The abundant hydrocarbon resources exist in this area. In this paper, we discuss the reservoir formation (i.e. source rock, reservoir features, hydrocarbon migration, trap, and process of hydrocarbon accumulation) in the north slope in Qikou sag, and elucidate the slope-break controlling sand bodies. It has proved that the condition of hydrocarbon accumulation exists in this area. Then, we set up the model of hydrocarbon accumulation in slop\|break zones, and forecast the favorable exploration area and preferential exploration direction of lithologic reservoirs.
HAN Guo-Meng, SI Wei-Liu, SHI Qian-Ru, Zhang Li-hua, Zhou Ke-jia, Wang Yong . Conditions of Lithologic Reservoir Formation and Favorable Selection of Exploration Area in North Slope of Qikou Sag[J]. Natural Gas Geoscience, 2010 , 21(4) : 594 -600 . DOI: 10.11764/j.issn.1672-1926.2010.04.594
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