Oil well casing gas separator

The utility model relates to an oil well casing gas separator. Its technical scheme is: opposite side at the casing top is equipped with the relief valve, the bottom of casing through the threaded connection valve that drains, be equipped with the baffle in the casing, including baffle and last baffle down, lower baffle and last diaphragm welding on shells inner wall, the upper portion of going up baffle setting baffle under, the lower surface of lower baffle on be equipped with a plurality of guiding gutters, it is the same with the structure of time baffle to go up the baffle. The beneficial effects of the utility model are that: the utility model discloses separating oily well casing gas, having solved air temperature reduce, during the steam that contains among the sleeve pipe gas got into the trachea line, liquefied water is frozen problem gradually to avoided jam trachea line, the problem that leads to the fact the heating furnace stove fire to go out makes the oil well normally produce, reaches oil wel