Wellhead tool matched with gas lift of 2-inch coiled tubing plunger

The invention discloses a 2-inch coiled tubing plunger gas lift matched wellhead tool which comprises a large four-way joint, a left connector of the large four-way joint is connected with a first left side pipeline, a right connector of the large four-way joint is connected with one end of a first...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TAN BO, LI CHEN, LI XURI, LEE JAE-SOON, LI YAODE, JIA YOULIANG, SONG JIE, TIAN WEI, LI SIYING, HUI YANNI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	The invention discloses a 2-inch coiled tubing plunger gas lift matched wellhead tool which comprises a large four-way joint, a left connector of the large four-way joint is connected with a first left side pipeline, a right connector of the large four-way joint is connected with one end of a first right side pipeline, a lower connector of the large four-way joint is connected with a wellhead, and an upper connector of the large four-way joint is connected with one end of a gate valve assembly. The other end of the gate valve assembly is connected with a lower connector of a small four-way joint, a left connector of the small four-way joint is connected with a second left side pipeline, a right connector of the small four-way joint is connected with one end of a second right side pipeline, an upper connector of the small four-way joint is connected with a lubricator through a seventh gate valve, the lubricator is provided with a catcher, and the pipe wall of the lubricator is connected with a pneumatic diaphr