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砂砾岩油田开发进入到特高含水后期，挖掘油层上倾尖灭带附近的剩余油潜力显得日趋重要起来。上倾尖灭带油层薄、物性差、分布系数低；剩余油分布线长，面窄、厚度小、井网控制程度差；新井投产产能低、稳产期相对较长。因此，必须采用特殊的挖潜方式，对单一油层部署水平井，对叠瓦状油层部署大斜度定向井，对参差不齐的多油层部署多底井，对上倾尖灭带与零散小油砂体的组合部署多靶心井。同时，还要严格执行油层保护措施，采用行之有效的喷砂射孔等技术。
The development of gravel oil fields into the late ultra-high water-cut, excavation potential of the remaining oil near the decanted zone appears increasingly important. Up dip sharp with the oil layer is thin, poor physical properties, low distribution coefficient; residual oil distribution line length, surface narrow, small thickness, well control degree is poor; New wells production capacity is low, relatively stable long-term. Therefore, we must adopt a special way to tap potential, the deployment of horizontal wells in a single reservoir, the deployment of a large tilt directional oil wells superimposed reservoir, the deployment of multi-well uneven multi-well, multi-well upturned off with small scattered oil Sand bodies are combined to deploy multiple targets. At the same time, we must strictly implement the reservoir protection measures, the use of effective sandblasting and other technologies.