FIELD: oil and gas industry. SUBSTANCE: device designed for treatment of oil- and gas-bearing formations with gunpowder gases has a hanger containing tubular main working gunpowder charges. Under the working charges there is a tubular ignition charge. Additional ignition gunpowder charges are uniformly located between the working gunpowder charges. The quantities of the ignition charges and all charges are determined by an equation presented in the description. The device is provided with an ignition chain and fasteners for the aforesaid gunpowder charges. The chain and all ignition charges are designed for simultaneous ignition. EFFECT: enhanced effect on formation. 2 dwg
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Authors
Dates
1995-11-10—Published
1992-03-23—Filed