东濮凹陷杜桥白地区三孔隙度测井方法的对比

Comparison of the Three Porosity Logs in Du Qiao Bai Region of Zhongyuan Oielfield

东濮凹陷杜桥白地区天然气储集层埋藏深、岩性复杂、断块多、地层水变化大。利用斯仑贝谢的声波、密度、中子孔隙度资料与岩心分析孔隙度进行分析,选定最合适的测井方法求孔隙度,及时有效地发现气层。

The gas bearing reservoir in Du Qiao Bai of Dong Pu depression is deep-lying reservoir with variableformation water, multi-blocks and complex lithology features. By comparing porosities from Schlumberger's acoustic log, density 1og, neutron log with the core analysis porosity, the best logging method for determin-ing the porosity is selected.