High-pressure gas lift valve capable of being thrown and pulled
The utility model provides a high-pressure gas lift valve capable of being thrown and pulled, belonging to the technical field of gas-lift production. The center hole of the upper end of an upper valve body is internally provided with a tail plug assembly, the lower end of the upper valve body is co...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides a high-pressure gas lift valve capable of being thrown and pulled, belonging to the technical field of gas-lift production. The center hole of the upper end of an upper valve body is internally provided with a tail plug assembly, the lower end of the upper valve body is connected with a corrugated pipe assembly, and the corrugated pipe assembly is internally provided with a valve head and a valve base; the lower end of the corrugated pipe assembly is connected with a lower valve body, the lower part of the lower valve body is connected with a uniflow assembly, and the upper valve body is connected with the lower valve body through a corrugated pipe sheath; an upper seal set and a lower seal set are respectively formed by eight V-shaped seal disc roots made from oil-resistant glue, wherein every four V-shaped seal disc roots are regarded as one group to be installed; the upper seal set and the lower seal set are respectively fixed on the outer surface of the upper valve body and the |
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