Natural gas extraction system
The invention discloses a natural gas extraction system which comprises wellhead equipment, rotation valve equipment, pilot production equipment and production separation metering equipment. The alternate valve equipment comprises a first pipeline, a second pipeline, a first gate valve and a second...
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| Hauptverfasser: | , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a natural gas extraction system which comprises wellhead equipment, rotation valve equipment, pilot production equipment and production separation metering equipment. The alternate valve equipment comprises a first pipeline, a second pipeline, a first gate valve and a second gate valve. The wellhead equipment is communicated with the production separation metering equipment through the first pipeline, the wellhead equipment is communicated with the pilot production equipment through the second pipeline, the first pipeline is provided with the first gate valve, and the first gate valve is used for controlling connection and disconnection between the wellhead equipment and the production separation metering equipment; the second pipeline is provided with the second gate valve, and the second gate valve is used for controlling connection and disconnection between the wellhead equipment and the pilot production equipment. According to the scheme, the problem that the switching difficulty b |
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