The utility model discloses a fine and close oily metering device belongs to the petroleum engineering field. Fine and close oily metering device includes inlet piping, import valve, degritting separator, level gauge, large -traffic outlet valve, flowmeter, large -traffic drain pipe way, low discharge outlet valve and low discharge drain pipe way, and degritting separator says with large -traffic drain pipe and be connected that large -traffic outlet valve and flowmeter setting are on large -traffic drain pipe is said, degritting separator says with the low discharge drain pipe and be connected that the low discharge outlet valve sets up on the low discharge drain pipe is said. The utility model discloses a set up on degritting separator large -traffic drain pipe say with low discharge drain pipe way, carry out the flowing back and accomplish oil well yield's measurement to the different situation of oil well yield height, need not the measurement that oil well yield can be accomplished to the large capacity container, reduced the cost of fine and close oil exploitation, improved the benefit that fine and close oil was mineed.