... Abstract Tracking the fall of the plunger down the tubing can be used to optimize the operation of plunger lifted wells. Acoustic fluid level instruments can be used on plunger lifted wells to acquire a series of plunger/fluid level soundings and/or to record the acoustic signal produced...

... as desired. This paper describes special advanced techniques that can be used to determine the liquid level in wells with these unusual conditions. production control fluid level acoustic signal acoustic data production monitoring valve travel time liquid level reflection acoustic velocity...