Forced opening tool for Christmas tree surface safety valve

• Main Authors: SUN JIANYONG, CHEN HUA, ZHAO YANBIN, ZHOU JIAXIANG, HAN JIE, WANG JINFENG, YIN TIANTIAN, JIN WENCHAO, MA YANFENG, JIA MINMIN
• Format: Patent
• Language: Chinese; English
• Published: 23.08.2022
• 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

The utility model relates to the technical field of safety valve tools, and discloses a forced opening tool for a Christmas tree ground safety valve, which comprises a force cylinder, an ejector rod and a pressing cap, a threaded groove is arranged at the lower part in the pressing cap, the force cylinder is movably clamped at the top of the pressing cap, and a static wheel and a dynamic wheel are fixedly mounted on the bottom wall surface of the ejector rod. An anti-skid pad is fixedly installed on the wall face of the bottom of the static wheel and the wall face of the bottom of the movable wheel, the anti-skid pad is of a soft circular structure, a movable groove is formed in the upper portion of the interior of the ejector rod, and two handles are movably embedded in the positions, corresponding to the movable groove, of the upper portion of the arc-shaped outer side wall of the ejector rod. The connecting shaft is provided with the handle, the base is further provided with the extrusion block and the rot