Wellhead automatic blowout preventer

The utility model relates to the technical field of oil field wellhead blowout preventers, in particular to an automatic wellhead blowout preventer which comprises a valve body and a valve ball, a cavity is arranged in the valve body, openings communicated with the outside are arranged on the upper...

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Bibliographic Details
Main Authors GAO CHONG, ZHOU FANGHAO, ZHENG CAIFANG, ZHOU ZIMENG, ZHOU ZIYAN
Format Patent
LanguageChinese
English
Published 20.12.2022
Subjects
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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