针对东辛油区部分关键井点套窜、套损导致注采井网二次不完善,储量、产能损失大的矛盾,应用高水膨胀成岩粉无机堵剂进行封窜和封堵改层,取得了较好效果。 In view of the contradiction of some key well points in East Xin oil zone, which leads to the second imperfection of well pattern in well injection and production and the large loss of reserves and productivity, the high-water swelling diagenesis powder inorganic plugging agent is used to seal and stratify layers. Achieved good results.