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亚利桑那东南部Pinaleno山脉核复合体之下的弧状地震反射带是脆性变形的中、下地壳抬升带。反射带的顶对应Safford盆地之下推测的中第三系滑脱断层的底,但与滑脱断层分叉后为一个明显的糜棱岩前端。在Pinaleno山脉之下-1.9秒深度处构成一个顶峰。从这一顶峰开始向反射带西南倾斜。在EaglePass滑脱断层之下穿过,至相对未伸的Gailuro山脉的上地壳之下变平位置约为4.8秒深度(-13. 相似文献
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预测混相驱的体积波及效率和原油采收率非常困难。但是经济效果评价又需要对产量进行的预测。常规的递减曲线分析方法只有在混相驱实施后才能应用,而且如果采油量保持不变或增加也不能应用此方法。数据模拟地采收率做出准确的预测,但必须经过长时间的历史拟合。 相似文献
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Rodrigo de Freitas Lagoon, located in the Rio de Janeiro City, receives several types of polluted discharges. The knowledge of the sediment microfauna correlated with heavy metal and organic matter concentrations could supply important data about the conditions of the lagoon. The benthic foraminiferal assemblage presented larger diversity and more abundant samples in the lagoon entrance than in the inner area. The Ammonia tepida - Elphidiumexcavatum foraminiferal assemblage is characterized by dwarf, corroded and weak organisms. Agglutinated species were found only near the entrance. Low abundance values and sterility of five samples in the inner area (north/northeast) can be caused by high levels of heavy metals and organic matter. A. tepida shows negative correlation with increasing heavy metals values. PAHs and coprostanol high indexes, and the absence or low presence of microfauna in samples around the lagoon margin confirm illegal flows from gas stations and domestic sewage. 相似文献
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礁体是一种重要的油气储集体,它广泛分布于北美、中东、东南亚等地区,在我国南方地区的油气勘探中它也越来越受重视。我国西北部地区,如塔里木盆地,礁型油气藏也成为一种重要的潜在油气藏类型。 相似文献