Seismic interpretation and attribute analysis of the Herodotus and the Levantine Basin, offshore Cyprus and Lebanon

Seismic interpretation and attribute analysis of the Herodotus and the Levantine Basin, offshore Cyprus and Lebanon
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塞浦路斯和黎巴嫩近海希罗多德和黎凡特盆地的地震解释和属性分析

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发表时间:
2012
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通讯作者:
J. Fürstenau
J. Fürstenau
中科院分区:
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文献类型:
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作者:
C. Skiple;E. Anderson;J. Fürstenau

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附近的巨大天然气发现引发了人们对东地中海石油潜力的兴趣。然而,缺乏该地区的良好数据意味着该地区仍然存在一些关键的未知因素。其中许多未知因素与主要盆地沉积物填充的不确定性有关,包括沉积物源区和弹性特性。通过采集和分析塞浦路斯和黎巴嫩近海的多个二维和三维地震勘探,以及全面审查有关区域地质的现有文献,对该区域的石油潜力进行了调查。振幅提取研究表明,可能的碎屑沉积物来源于东北,从今天的叙利亚。此外,在地震数据中还可以看到管道从黎巴嫩陆上出来的证据。使用从最近的威尔斯井中的一口井所释放的数据,穿透与新发现相同的地层,使我们能够在其中一个发现(添马舰发现)上建立一个合成模型,并在这个模型上进行流体替换。将这些结果与黎凡特盆地北方未钻探部分的已识别铅迹和前景特征进行比较,可能会提高我们对该区域岩石性质的理解,因为这些结果之间的相似性也可能表明弹性性质的相似性。
Giant gas discoveries in the vicinity have sparked increased interest in the petroleum potential of the Eastern Mediterranean. However, a lack of well data from the area means that a number of crucial unknowns about the region remain. Many of these unknowns relate to uncertainties regarding the sedimentary infill of the main basins, including the sediment provenance areas and elastic properties. The petroleum potential of this region has been investigated through the acquisition and analysis of multiple 2D and 3D seismic surveys offshore Cyprus and Lebanon and a thorough review of available literature regarding the regional geology. An amplitude extraction study indicates sourcing of probable clastic sediments from the NE, from present-day Syria. In addition evidence of conduits coming off onshore Lebanon can be seen in the seismic data. Use of released data from one of the closest wells penetrating the same stratigraphy as the new discoveries enabled us to build a synthetic model over one of these discoveries (Tamar discovery) and to perform a fluid-substitution over this model. Comparison of these results with characteristics of identified leads and prospects in the northern, undrilled part of the Levantine Basin may improve our understanding of the rock properties in this area as similarities in between these may also indicate similarities in the elastic properties.