Drill rod structure for wellhead blowout

The utility model provides a drill rod structure for wellhead blowout, and relates to the technical field of well drilling. The drill rod structure used for wellhead blowout comprises a connector device, a second connector device, a first valve device and a second valve device, the connector device...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG BO, ZHAO JIE, LIU XIAOBIN, HAN CHAO, QIAO ZHONGSHAN, YANG WENQIANG, LIU DONGDONG, GAO YONG
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 utility model provides a drill rod structure for wellhead blowout, and relates to the technical field of well drilling. The drill rod structure used for wellhead blowout comprises a connector device, a second connector device, a first valve device and a second valve device, the connector device is provided with a first connector and a second connector, and the first connector can be connected with a first external transmission pipeline; the drill rod body is connected with the second connector; and the cock is arranged between the drill rod body and the second interface of the interface device and is used for communicating or closing the interface device and the drill rod body. According to the drill rod structure, the cock and the connector device are connected to the drill rod body, the cock is closed before the ignition rod is put in, the external transmission pipeline is connected and the cock is opened after the ignition rod is put in, it is guaranteed that blowout substances are transmitted into the