Show STUDY OF SHALE OIL REFINING METHODS following the recent closing down of the experimental oil shale plant of the united states bureau of mines near rulison colo studies of the best methods of refining shale oil are being made at a number of institutions two gallon tank cars of shale oil produced at the plant have been shipped to the league island testing plant of the navy department part ment where tests will be made to determine the suitability of raw shale oil as fuel for naval vessels this represents the first tank car lot shipment of shale oil made on the north american continent by the bureau of mines approximately barrels of oil produced were sent to the boulder colo laboratory of the bureau of mines where studies now are being made ina in a experimental refinery erected by the state of colorado A total of about barrels of shale oil also has been shipped to a number of oil refineries and laboratories where studies will be made to determine the best methods bior its refining the results of these investigations will be made known to the bureau of mines the experimental plant was shut down on june 30 due to the failure of the second deficiency bill which contained an item of for continued operation of the plant |