Times Independent | 1955-02-24 | Page 56 | Kids Ball Used, Too

Kids Ball Used Too Even rubber balls baIls are used to bring oil up from the depths of the earth They are shot down one tube under pressure and come bouncing up another pushing a load of oil ahead of them While the balls are upward upward up up- ward through the tubes they perform perform perform per per- form an additional function keep function keep the pumping tubes clean by clearing clearing clearIng clear- clear Ing out paraffin or anything else which might clog them Natural gas is used to propel the balls and the gas is recaptured ed at the end cd of Df the round trip and used over and over again