Lag Time VDO By DrillingFormulas.Com | February 8, 2011 - 1:54 pm |February 8, 2011 Oil Field Knowledge, Oil Field Videos, Well Control Post Views: 201 Facebook0Tweet0Pin0LinkedIn0 Lag Time and Its Importance for Well Control Operation in VIDEO format. Share the joy4 4Shares Tagged Lag Time VDO, oil field VDO. Bookmark the permalink.