The utility model provides a gas lift seating nipple and have its oil gas mining devices, wherein, the gas lift seating nipple, include: seating nipple main part, seating nipple main part include thinwall section and thick wall section, and the outer wall of thin wall section is sunken to the center of seating nipple main part, and the recess has the air inlet, filling air valve seat, filling airvalve seat and set up the thin wall section in the seating nipple main part, fill air valve seat and include inlet channel, inlet channel is connected with the air inlet correspondingly. The technical scheme of the utility model oil gas among the prior art has been solved effectively because liquid to the pressure of oil gas and the oil gas that leads to is difficult to the problem of exploitation, and can adapt to less pit shaft passageway in the exploitation.