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本文介绍的水力-机械式封口器是在用堵漏剂封堵井下套管的漏眼后防止堵漏剂从漏眼返吐的一种封口工具,经现场试验表明,工作可靠,成功率达92.3％。
This article describes the hydraulic - mechanical seal is closed with plugging agent in the casing after the hole to prevent leakage of plugging agent from the leak back to the mouth of a sealing tool, the field tests show that reliable, the success rate of 92.3%.