应用分形技术预测井间裂缝

以辽河盆地西部凹陷齐家古潜山裂缝性油气田为例 ,在对岩心裂缝观测及相似露头区裂缝调查的基础上 ,用取心标定测井 ,应用多重分形方法计算了各井裂缝发育程度的概率 ,划分了裂缝发育段。根据裂缝孔隙度、中子伽马、岩性密度、双侧向电阻率测井及钻井泥浆漏失、放空及开发动态资料 ,应用井间分形克里格方法进行了井间裂缝的预测。经钻探证实 ,其效果良好

Prediction of inter-well fractures with fractal technique

The core fractures were observed, and the similar outcrop fractures were investigated. The core calibration was used to do logging. Taking the fractured reservoir of Qijia burial hill in Liaohe basin as an example, the probability of the fracture development was calculated, and the segments of developed fractures in each well were compartmentalized using the multi fractal method. The parameters of fracture porosity, neutron GR, lithology density, RLLD, RLLS, and data of well drilling mud loss, vacuum and development dynamic were analyzed, and the inter well fractures were predicted with the Krig method for inter well fractal. The prediction result is approved to be effective by the drilling.