Barrel packing box
The utility model relates to a well mouth sealing device in an oil production project, which comprises a gland, a pressing sleeve, packings and a barrel body. The gland and the pressing sleeve are connected, a middle spacing ring is arranged among the packings on the lower part of the pressing sleev...
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| Hauptverfasser: | , |
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model relates to a well mouth sealing device in an oil production project, which comprises a gland, a pressing sleeve, packings and a barrel body. The gland and the pressing sleeve are connected, a middle spacing ring is arranged among the packings on the lower part of the pressing sleeve, and the lower part of the barrel body is connected with a change-over adapter. A barrel packing box has the advantages of simple structure, convenient operation and good sealing performance. |
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