Wellhead blowout prevention device of rod-pumped well and blowout prevention method used during wellhead opening operation

The invention provides a wellhead blowout prevention device of a rod-pumped well and a blowout prevention method used during wellhead opening operation. The wellhead blowout prevention device of the rod-pumped well comprises a blowout prevention short section. A blowout prevention screwed plug is de...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANG WENMING, ZHANG JIACHENG, ZHANG QI, TAN ZHU, XU WENTAO, GONG WENLIN, CAO HONG, YANG XIAODONG, WANG YINGQUAN, SHE JIAOFENG, WANG XIA, YANG QIZHAN, WANG LINQIANG, FENG BEIHUA, CHENG FUTIAN, JIA HAIMIN, LUO SHENCHAO
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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