钙质砂岩水淹层测井响应特征分析及其应用

The analysis on calcareous sandstone water flooded layer logging response and its application

以某油田D区块C层组为研究对象,以实验资料、测井资料为基础,对钙质砂岩水淹层主控因素进行了分析.应用频率分布直方图技术重点研究了钙质砂岩水淹层测井响应特征,进而提出了利用其深电阻率测井、自然伽马值测井、声波时差测井响应特征及交会图技术,定性识别钙质砂岩水淹层的方法.该方法经实际应用效果良好,为D区块水淹层评价开辟了新的途径,具有一定的应用价值.

The article analyses the controlling factors on the C layer of D region ,based on experi‐ment data and logging data ,studies on the calcareous sandstone water flooded layer logging re‐sponse by using the methods of the frequency distribution histogram ,and proposes the qualitative identification method of calcareous sandstone water flooded layer that using the deep resistivity log ,natural gamma log ,acoustictime log response and crossplots .This method opens up new avenues for the D block flooded layer evaluation and has some application value .