Show 3 0 Tar sand test to continue I at Asphalt Ridge A second pattern for field testing the reverse combustion oil 01 recovery from tar sands northwest of Vernal on Asphalt Ridge has been started announced announced announced an an- L L. L C C. C Marchant Merchant project leader to members of the Vernal Area Chamber of Commerce noon of last week Alit AIR INJECTION testing and preparation will take place the rest of this year for the second injection and burning of the tar sand next spring stated Marchant The Vernal tar sand experiment experiment ex ex- is a federal Energy Research Development Administration Administration Ad Ad- ministration ERDA project conducted by the Laramie Energy Research Center Center in Wyoming TilE THE FIRST experiment which started in the fall of 1074 1974 appeared to be m most t successful even though the limited reduction was discouraging stated Marchant We had to use equipment not designed for this type of operation and with modified equipment our production should increase In the process air is Injected into the well and a fire is ignited to melt the oil from the tar sand and then the oil is taken out of the air when it comes to the surface The sticky consistency of or the oil and cold weather during the first test area presented somewhat of a problem Marchant explained As many as pa 17 men were were employed on the first experiment experiment ex ex- and about was spent on the tM project One fourth of oC this money was spent in Vernal pointed out Mar Mar- chant A third and even a fourth recovery experiment is in future plans at the Vernal tat tar sand site of the LaramIe Larame Energy Research Center concluded Marchant |