... calculation operator rise velocity liquid load plunger lift plunger fall shut-in time Upstream Oil & Gas gas well Time Period spreadsheet plunger cp-tp pressure rule-of-thumb excel spreadsheet key event efficiency time gaseous liquid column fall velocity installation spe 110829 rule...

...? Are there restrictions to plunger fall in the tubing? The following sections of this paper describe the procedure used to acquire the data for plunger lift analysis. Example data showing various operational problems encountered during operation off plunger lift systems will be presented. Plunger Lift...