Pressure testing device of blowout preventer fully-sealed flashboard

• Main Authors: LI ZUHAI, FENG HAIJIANG, TIAN SHENGMIN, FAN ZHENGANG, TIAN WEIJU, LI LONG, ZHAO YONGJIE, WANG FANGXIANG, LIU YONGXIANG
• Format: Patent
• Language: Chinese; English
• Published: 03.07.2020
• 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

The utility model discloses a pressure testing device of a blowout preventer fully-sealed flashboard. The pressure testing device comprises a pressure testing jackscrew, a tubing hanger blanking plug,a fishing rod and a screwing pipe, a through hole is formed in the center of the pressure test jackscrew, high-pressure water is pumped into a sealed space formed between the fully-sealed flashboardand the tubing hanger blanking plug through the pressure test jackscrew, and pressure test is conducted on the fully-sealed flashboard of the blowout preventer; an L-shaped groove is formed in the upper end of the tubing hanger blanking plug, the middle of the tubing hanger blanking plug is of a hexagonal structure, and installation and detachment of the tubing hanger blanking plug can be achievedthrough cooperation of the fishing rod, the screwing pipe, the L-shaped groove and the hexagonal structure. The simple pressure testing device for the blowout preventer is simple and convenient to operate, pressure testing can