剩余油饱和度测试技术在长庆水驱油藏应用效果分析

Analysis of Effect of Application of Residual Oil Saturation Test Technology to Changqing Water Flooding Reservoirs

长庆油田的剩余油饱和度测试开展于2003年，到2006年底，共测井43口，主要方法是双源距碳氧比能谱（RMT）测井，脉冲中子一中子（PNN）测井和注钆中子寿命测井。通过对这三种测试技术的原理方法、适用范围、资料解释、选井条件和在不同油藏的应用效果分析认为：RMT是适应长庆块状砂岩的一种剩余油饱和度测试技术：PNN在渗透率较高的层状砂岩中应用效果比较好；注钆中子寿命测井因地层对钆溶液吸收能力较差．基本上不能反映储层的含水情况，只适应于地层吸收能力较强的高渗透率储层。

The Changqing Oilfield remaining oil saturation tests carried out in 2003, the end of 2006, logging a total of 43, is the main source from the oxygen than the two-spectrum （RMT） logging, pulsed neutron - neutron （PNN） injection of gadolinium logging and neutron lifetime logging. This technology through the principles of the three test methods, scope of application, data interpretation, the election well in different conditions and leservoir analysis of the effect that： RMT is to meet massive sandstone Changqing a residual oil saturation testing technology; PNN Higher penetration rate in the layered sandstone in the application of relatively good; injection of gadolinium neutron lifetime logging due to formation of the poor absorption capacity of gadolinium solution, basically does not reflect the water reservoir, only to the formation of stronger absorption capacity High permeability reservoir.