... alarms; shut in safety valves; regulate chokes.In addition, the instrument's advanced "wave form" generation combined with an ultra-sensitive microphone can accurately detect the fluid level, perforations, holes in casing and tubing, paraffin/scale buildup, as well as down-hole equipment location within...

... at the bottom of the tubing by the end of the shut-in period. Setting the well’s controller to have the shortest possible shut-in time period to allow the plunger to fall to bottom can maximize oil and gas production from plunger lift installations. microphone recess plunger lift installation data...