洪斜 56井是洪浩尔舒特凹陷东次洼海流特构造洪 4 6南断块上的一口预探井 ,常规试油低产。针对该井储层泥质含量高、水敏性强、井筒周围已造成污染等情况 ,优选出压裂施工方案 ,即在压裂施工过程中 ,采用了复合防膨技术 ,及大砂量、高砂比等多项试油新工艺。压裂后 ,获日产原油 19.94m3,超过了压裂前的预测产量 ,取得了良好的社会效益和经济效益 Well Hongxing 56 is a pre-exploratory well on the 4 6 South Fault Block of the East Subwatershed in the Hsurhwa Shute depression, where conventional test oil is low-yielding. In view of the high content of shale in the well, the strong water sensitivity and the pollution that has been caused around the wellbore, the fracturing construction scheme is preferred. In the process of fracturing, the composite anti-swelling technology, High sand than a number of test oil new technology. After fracturing, Nissan crude oil 19.94m3, exceeding the predicted yield before fracturing and achieved good social and economic benefits