Apparatus for separating oil and gas fluid streams

Claim 1

AN OIL-GAS SEPARATOR FOR OIL AND GAS WELL FLUID COMPRISING THE COMBINATION OF; A PRESSURE CHAMBER; MEANS TO MAINTAIN A CONSTANT OIL-GAS INTERFACE IN THE LOWER PORTION OF SAID CHAMBER; A FIRST SUBSTANTIALLY ENCLOSED INNER CHAMBER WITHIN SAID PRESSURE CHAMBER POSITIONED ABOVE SAID OIL-GAS INTERFACE TO FORM AN ANNULUS; OIL DRAW-OFF MEANS EXTENDING FROM SAID FIRST INNER CHAMBER TO BENEATH SAID OIL-GAS INTERFACE TO MAINTAIN AN OIL SEAL UPON SAID DRAW-OFF MEANS; WELL FLUID INLET CONDUCTOR MEANS PENETRATING ACROSS SAID ANNULUS INTO SAID INNER CHAMBER, TO RELEASE SAID OIL AND GAS WELL FLUIDS INTERNAL OF SAID FIRST INNER CHAMBER; SEPARATE GAS DRAW-OFF MEANS WITHIN SAID FIRST INNER CHAMBER TO DISCHARGE GAS FROM SAID FIRST INNER CHAMBER ABOVE SAID WELL FLUID INLET CONDUCTOR MEANS INTO SAID ANNULUS AT A POINT BELOW SAID WELL FLUID INLET CONDUCTOR MEANS, YET ABOVE SAID OIL-GAS INTERFACE; GAS OUTLET CONDUCTOR MEANS ABOVE SAID FIRST INNER CHAMBER TO WITHDRAW SAID GAS FROM SAID ANNULUS; AN OIL STORAGE PORTION BENEATH SAID OIL-GAS INTERFACE; AND OIL OUTLET CONDUCTOR MEANS TO WITHDRAW SAID OIL FROM SAID OIL STORAGE PORTION.