The casing section mill with the dip soldered pressure adjusting rod was used in 22 wells, and every window cutting operation were carried out once.
英
美
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現場(chǎng)對比應用表明 ,原使用調質(zhì)鋼調壓桿進(jìn)行套管開(kāi)窗作業(yè) ,約有 2 7 8%25的井需重復作業(yè) ,采用浸焊調壓桿進(jìn)行 2 2口井的開(kāi)窗作業(yè) ,均一次開(kāi)窗成功 ,取得了良好的效益。
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国内精品美女A∨在线播放xuan