A gas lift valve for ultradeep well

• Main Authors: He Meiwen, Wu Xiaoding, Wang Shijun, Xu Hongbao, Wei Ruiling, Huang Deming
• Format: Patent
• Language: Chinese; English
• Published: 31.08.2016
• 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 a gas lift valve for ultradeep well, the gas lift valve is including setting up in oil pipeline in the pit, rather than axis parallel arrangement's valve body, from the top down is equipped with valve inside assembly, bellows assembly and single current valve with the axle center in proper order in the valve body, valve body upper end is equipped with the salvage subassembly along its axle center, the lower extreme be equipped with with the communicating venthole of oil pipeline in the pit, the bellows assembly includes bellows and edge the valve rod that the bellows axle center set up. The utility model provides a continuous gas lift and the intermittent type gas lift of gas lift well can be realized to the gas lift valve to has the advantage that lifts efficient, easy operation and still can work when breaking down. 本实用新型及种用于超深井的气举阀，所述气举阀包括设置在井下输油管道内，与其轴线平行设置的阀体，所述阀体内从上到下同轴心依次设有气门芯总成、波纹管总成和单流阀，所述阀体上端沿其轴心设有打捞组件，下端设有与所述井下输油管道相通的出气孔；所述波纹管总成包括波纹管和沿所述波纹管轴心设置的阀杆。本实用新型提供的气举阀，可以实现气举井的连续