With a flat regional structural relief and poor reservoir poroperm characteristics as background, the secondary migration of gas in the region is mainly driven by gas expansion.
在区域构造平缓和储层物性普遍较差的背景下，天然气二次运移以气体膨胀驱动为主。
The strong rupee has also thrown other structural problems into relief. These fall into three categories.
走强的卢比同时也将其他三方面的结构性问题带出水面。
The result showed that the illuminated weighting imaging results by wave equation prestack depth migration from relief surface very coincide with the structural configuration of model.
结果表明：起伏地表波动方程叠前深度偏移照明加权成像结果与理论模型构造形态非常吻合。
The abundant natural gas accumulation are concentrated in the subtle traps (relatively lower relief traps in East Sichuan)developed at the two flanks of the main structural belt.
天然气主要富集于主体构造两侧的低潜圈闭（经地震发现的闭合高度相对较小的潜伏圈闭），已发现双家坝和胡家坝两个气藏。
The abundant natural gas accumulation are concentrated in the subtle traps (relatively lower relief traps in East Sichuan)developed at the two flanks of the main structural belt.
天然气主要富集于主体构造两侧的低潜圈闭（经地震发现的闭合高度相对较小的潜伏圈闭），已发现双家坝和胡家坝两个气藏。
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