And the injection pattern of oil and gas migration accumulation had been negated in the Sanzhao area.

松辽盆地三肇地区扶、杨油层原油“上生下储”模式的否定，为寻找深部油源提供了可靠的事实依据。

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As a kind of abnormal gas accumulation, deep-basin gas is trapped with particular geological conditions and has particular trapping mechanism and distribution pattern.

深盆气藏是指在特殊地质条件下形成的、具有特殊圈闭机理和分布规律的非常规天然气藏。

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