isolated ball
隔离火球 Point Of Isolation
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该技术依靠可降解材料，使用可降解的压裂球和球座，而非传统的桥塞来隔离储层，避免了磨铣桥塞等作业。
This new innovative method relies on material dissolution to avoid the need to mill out plugs. During fracturing, the new method follows the isolation process of the plug and Perforate technique.
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