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When the hydraulic pressure is removed from the well, small grains of hydraulic fracturing proppants (either sand or aluminium oxide) hold the fractures open. Hydraulic fracturing began as an experiment in 1947, and the first commercially successful application followed in 1950.
1 1232: The Chinese who invented gunpowder (black powder) first used it in a weapon-gunpowder filled tubes aka rockets. 2  1364: First recorded use of a firearm-shooter lit wicks by hand that ingnited gunpowder that was loaded into the gun barrel.3  1400s: Matchlock guns-first mechanically firing of guns. 1400s: Matchlock guns-first mechanically firing of guns. 2  Wicks were now attached to a clamp that sprang into gunpowder that was placed in a flash pan. 3  1509: Wheel lock guns-wicks were replaced the wheel lock that generated a spark for igniting the gunpowder.