Full-bore blowout prevention valve

• Main Author: ZHOU ZHAOJUN
• Format: Patent
• Language: Chinese; English
• Published: 29.12.2023
• 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 full-bore blowout prevention valve, and relates to the technical field of blowout prevention valves. The device comprises a first shell and a second shell, sealing frames are arranged in the first shell and the second shell respectively in a sliding mode, closing pieces matched with each other are arranged in the two sealing frames, clamping frames are arranged in the first shell and the second shell in a sliding mode, a fixing rod is fixedly arranged on one side of the second shell, and the fixing rod is fixedly connected with the sealing frames. One end of the fixing rod is rotatably connected with a rotating rod, an inserting rod movably penetrates through one end of the rotating rod, the inserting rod is movably inserted into the first shell, by pulling the inserting rod, the limiting ring moves in the groove and extrudes the spring, then the first shell and the second shell are wrapped on the outer side of the sleeve, the inserting rod is aligned with the inserting groove, a