NOZZLE FOR HYDRAULIC JET PERFORATOR Russian patent published in 2012 - IPC E21B43/114

Abstract RU 2448241 C1

FIELD: oil and gas industry.

SUBSTANCE: nozzle for hydraulic jet perforator includes housing with a lug and hard-alloy jet insert with variable cross section hole; at that, nozzle is equipped with protective nut, and connecting thread for connection to protective nut is made on external part of the housing lug.

EFFECT: increasing service life of hydraulic jet perforator, namely increasing service life of the housing.

1 dwg

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RU 2 448 241 C1

Authors

Tomin Sergej Ivanovich

Kamyshev Mikhail Anatol'Evich

Dates

2012-04-20—Published

2010-10-04—Filed