常规可钻桥塞存在易中途坐封、丢手困难的问题,故作业风险大、操作要求高。为此,对原有管柱结构进行了优化设计,对送塞工具予以改进,在管柱结构中增加了常开阀,从而降低了对施工人员的要求及施工难度,最大限度地避免桥塞下入过程中的坐封事故。通过现场应用,取得了显著的效果。 Conventional drillable bridge plug there easy to set up, throwing difficult problems, so the operation risk, high operating requirements. To this end, the original structure of the pipeline has been optimized design, to improve the tool to send plug in the column structure to increase the normally open valve, thereby reducing the requirements of construction workers and construction difficulty, to avoid bridge plug Enter the process of setting up the accident. Through on-site application, has achieved remarkable results.