Cavity completionwell is good method in increasing production and controlling sand, and it will become an effective method to control sand through research.
研究表明，洞穴完井是一种很好的增产控砂方式，其推广使用必将为天然气的防、控砂提供一条有效途径。
2
During the completionwell testing period of the vertical well section of Ku 1, we tested 2 times and the downhole packer was all imbedded, result in very serious downhole accident.
库1井直井段在完井测试期间， 2次测试井下封隔器均被埋死，造成非常严重的井下事故。
3
Deadlines should not be set only for the completion of the project, but for the various steps along the way as well.