Learn about flow check in VDO format By DrillingFormulas.Com | December 15, 2010 - 10:41 am |December 15, 2010 Oil Field Videos Post Views: 29 Facebook0Tweet0Pin0LinkedIn0 I just have new oil field knowledge VDO about flow check. Please check this one. I wish this VDO would be advantageous for you. Reference books: Well Control Books Tagged flow check, oilfield VDO, Well Control, well control VDO. Bookmark the permalink.