Show OIL SHALE investigations Coni complete equipment for the analysis of oil and the testing 6 of shale products recovered has been installed at the university of indiana bloomington in preparation for the cooperative work with the united states bureau of mines on the indiana work has recently been conducted by the bureau of mines at boulder colo and salt lake city to determine the effect of the size of shale retorted the following facts have been fairly definitely established lis lied 1 crushing causes a segregation of the oil yielding material of the shale 2 size has very little effect in oil production these general results have been obtained in utah and colorado but more tests are necessary before the results can be published experiments with the horizontal retort at boulder definitely establish the fact that the quality of oil produced product pro duci d from the shale increases as the rate of beatin heating decreases but the quantity gradually decreases under the same conditions the results obtained from these runs are being compiled for a report to be published by the state of colorado work on the elementary analysis of the standard is practically completed at boulder it was found impo impossible S to make an all absolutely clean separation of the mineral constituents of the shale for the kero en but the ash in ii the kero en has been reduced to less than 3 per cent after work on oil the colorado shale lias has ben bell completed work iv will ill be begun on a sample of scotch shale and afterwards on oil obtained from different parts of the united states |