Other

John Wisotski

Ralph E Williams

William H Snyer

An earth fracturing apparatus has a casing of reactive metal containing a central, double ended charge load that is simultaneously detonated from both ends; and a pair of opposed end charges at opposite sides of the central charge load, the end charges being concavely dished toward the central charge load and having a liner of reactive metal on the dished face. The end charges are simultaneously peripherally initiated to explode with a collapsing detonation wave toward the central charge load. Void spaces between each end charge and the central charge load contain an oxidizer that may be under pressure. In a modified form of the apparatus, the end charges are omitted and the central charge load alone acts as a perforator for well pipe.

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Denver, CO, United States of America

John Wisotski