网络出版日期: 2008-04-20
基金资助
四川省重点学科建设基金项目(编号:SZD0414)资助.
Analysis of Deepwater Sedimentary Characteristics, Southern Africa
马立武, 于水, 陶维祥, 王颖, 胡滨, 刘喜玲 . 非洲南部某深水区沉积特征分析[J]. 天然气地球科学, 2008 , 19(4) : 499 -502 . DOI: 10.11764/j.issn.1672-1926.2008.04.499
The middle to upper Miocene clastic sediments are the main objective intervals in the study area, and the depth of water is estimated about 2,000 meters. The study area is a typical deepwater sedimentary area, and mainly develops lobe and channel reservoirs. The lobe reservoir presents thick massive sandstone in the well and lobation on plane, but the channel reservoir shows thin interbeds of sandstone and mudstone in the well and meandering lineation on plane. The oil and gas discovered in recent years are mainly distributed in these two reservoirs around the study area, and the two reservoirs are the main oil- and gas-rich area and exploration interval. They are high porosity and permeability reservoirs, have better physical properties, and the physical properties of lobes is better than that of channels in the study area.
Key words: Deepwater sedimentation; Oil and gas; Lobe; Channel; Exploration.
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