| Show shale mining pro problems beems are solved low cost methods cevelo developed for mining oil shale in volume have removed one of tho the major deterrents to utilization of this count coun rys ryn mammoth reserve reserves S J james arr ies doyd director of t the h b bureau breau of mines said tuesday in announcing the results of a recent test run in the ex experimental ri mine near rifle coro cono cofo in this run tons of oil shale was mined at a direct cost of only 3 30 30 9 cents per r ton conclusive proof that tr the min ing cost p problem t 0 bl em hns has been solvi cd ed average production per mant mart day totaled I 1 iii I 1 I 1 tons for under ground labor and d was m tons for a all ail 1 1 1 abor labor ai including nc 1 ud ing inc direct supervision engineering ring a and ii d maintenance until recently such outputs in underground operations were regarded QS as v virtually atu imp impossible 0 isible coal ini mining nally Is not comparable because se of less favorable conditions but it is interesting to note that average production per man day in underground coal mines in 1947 1047 was tons unique practices and large scale equipment employed in the c experimental x e ri mental oil all shale shaie mine are arc teang being demonstrated in a public test run continuing from sept 7 thru oct 4 boyd stated all diesel powered 0 w ered cred mining equipment r including n c buding the 15 ton haulage trucks will operate on diesel fuel produced from crude shale oil in the new refining unit at the bureaus bureau s nearby oil shale demonstration plant pre pro r service tests with shale shaie oil diesel fuel have been entirely satisfactory he added escorted tours of thamine the mine and plant p 1 ji i are sa planned imms for sor f sept at 20 on 2 and ana 21 i midway point pouli in tn in the therun me run when operations on the mines top ii level i i will m K be shifted ohm to 41 the bench level on the evening of sept 20 a dinner meeting of visitors and staff will L be held at te hotel colorado in glenwood springs speakers will include L E young president of the american institute of mining and metallurgical engineers and J A krug secretary of the interior advance reservations indicate that a number of ex will be present cepres enting the mining oil automo tive and other industries visitors will have an eunity to witness all three major operations involved in the of quality shale oil pro ducts 1 mining and crushing of the oil shale 2 retorting or heating of the shale to extract oil and 3 refining of the crude shale oil into gasoline diesel fuel furnace and heavy industrial t r 1 a 1 fuel fuei f ue 1 0 oils il s a and nd fuel g gas a s the th e program for tuesday sept 20 will include inspections of the ei experimental p eri erl mental mines tord torf level and of the crushing and retorting plant on wednesday sept 21 the tour will include the bench benth level of the experimental mine the pilot plant area and the experimental refinery |
