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The reawakening of the onshore Kwanza Basin

机译：宽扎盆地陆上的重新唤醒

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摘要

The Kwanza Basin is one of the classic passive margin basins on the West African margin and developed as a result of the break up of Gondwanaland during the Mesozoic. The onshore part of the Kwanza Basin covers an area of about 25,000 km2 (Figure 1) and has a long history of hydrocarbon exploration and production, though it has been largely dormant for the last decade. The basin has produced commercial hydrocarbons since the 1950s with 11 oilfields and two gas fields producing around 90 MMBOE until the late 1990s. The onshore fields were shut in during the 1980s and 1990s, and were finally abandoned by the end of the last century. However, with the acquisition of new modern 2D seismic and a forthcoming onshore licensing round, the onshore Kwanza is set for a new beginning.
机译：宽扎盆地是西非边缘的经典被动边缘盆地之一，是由于中生代冈瓦纳大陆的分裂而发展起来的。宽扎盆地的陆上部分面积约为25,000平方公里（图1），并且具有悠久的油气勘探和生产历史，尽管在过去十年中一直处于休眠状态。自1950年代以来，该盆地已生产商业烃，其中有11个油田和两个气田生产约90 MMBOE，直至1990年代后期。陆上油田在1980年代和1990年代被关闭，最后在上世纪末被废弃。但是，随着新的现代2D地震的获得以及即将到来的陆上许可回合，陆上宽扎节将重新开始。

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