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The Meaning Of Packer
- Jun 01, 2018 -

A downhole tool that has an elastic sealing element and is used to seal the annular space between the tubing string and the wellbore and the pipe string, and to isolate the production layer to control the production (injection) fluid and to protect the casing.

In the oil production engineering, the Packer is used for layering, the packer is designed with oil channel, the piston sleeve uplink, the oil production channel is opened, after sitting seals, the upper layer pressure acts on the balance piston, pushes up the rubber barrel, causes the solution seal pin to be free from the shearing force, when the solution seal, relies on the rubber barrel and the casing friction to cut off the seal pin, the piston sleeve Close the oil channel.

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