The indoor test and field application show: Comparing with regular packer, it has such advantages as simple setting, reliable sealing, convenient fishing, smooth unfreezing.
室内试验及现场应用表明，与常规液压封隔器相比，它具有坐封容易、密封可靠、打捞方便、解卡顺利等优点。
The indoor test and field application show: Comparing with regular packer, it has such advantages as simple setting, reliable sealing, convenient fishing, smooth unfreezing.
室内试验及现场应用表明，与常规液压封隔器相比，它具有坐封容易、密封可靠、打捞方便、解卡顺利等优点。
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