Oil -gas separation system

The utility model discloses an oil -gas separation system belongs to the oil and gas production field. Oil -gas separation system including the knockout drum, is provided with import, gas vent and leakage fluid dram respectively on the lateral wall, the gas vent is located the top of leakage fluid dram, and is provided with first valve, second valve on gas vent and the leakage fluid dram respectively, oil -gas separation system still includes: level gauge, treater and the controller of being connected with treater, second valve electricity respectively, the level gauge sets up on the knockoutdrum for measure the liquid level information of knockout drum, treater and liquidometer connected for acquire liquid level information, and transmit to the controller, the controller is controlled the aperture of second valve according to liquid level information to the liquid level that makes the knockout drum is in between gas vent and the leakage fluid dram. The utility model discloses not only accessible time regulat