Seal the blind plate and check carefully whether the pipeline is correctly connected and block phenomenon in the pipe before pressure test.
youdao
2. 在对浅层套管封堵失效原因深入分析的基础上，在“先建网，再封堵”的思路指导下研制了新型堵剂。
Base on the analysis about the reason of failure plugging, a new type chemical plugging agent was manufactured by the way of "plugging before net-setting".
youdao
3. 在对浅层套管封堵失效原因深入分析的基础上，在“先建网，再封堵”的思路指导下研制了新型堵剂。
Base on the analysis about the reason of failure plugging, a new type chemical plugging agent was manufactured by the way of "plugging before net-setting".
