实践表明，对于复杂地质区块，合成记录的标定须做好以下工作：①地震反射特征分析；
The results indicate that the following procedure has to be implemented well for synthetic seismogram calibration in an area with complex geology:(1) to analyze seismic reflection signature;
针对江苏油田欧北区块的地质条件和开发现状，建立了顶部注氮气重力驱数值模型。
In view of reservoir properties and development characteristics in Oubei block of Jiangsu Oilfield, a numerical simulation model of gravity drive of crestal nitrogen injection was established.
三肇凹陷葡萄花油层地质条件复杂、区块较多。
With complicated geological conditions, Putaohua oil layer in Sanzhao depression has lots of blocks.
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