http://affiliated-business.com/story.php?title=ppsoperators-com PPS Fluid levels We offer acoustic fluid levels in either a strip chart or digital format, although the fluid level information is the same, requiring more in-depth well analysis should use the Well Analyzer. The Process The gas gun generates an acoustic pulse that travels through the wellbore gas. The pulse reflects from tubing collars and liquid levels. The number of collars counted multiplied by the average tubing length determines the distance to fluid. Tue, 12 Oct 2021 23:52:34 UTC en