The first time of applying this tech in M25 well is successful for swabbing and obtaining production to upper layer and acquiring build-up pressure data by closing well and monitoring all operation process on real time .

M25井首次应用该工艺取得成功，在对上层 抽 汲求产的同时，对下层关井恢复，并可对作业全 过程进行实时监控。