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2 091 567

(13)

(51)

IPC

(21) (22)

Application

95101963/03, 1995-02-09

(22)

Actual filing date

1995-02-09

(45)

Published

1997-09-27

(72)

Inventor

Tebjakin V.M.Likutov A.R.Kurtinov V.M.Sirotin V.T.

(73)

Holder

Vsesojuznyj Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Institut Po Vzryvnym Metodam Geofizicheskoj Razvedki

JET PERFORATOR WITH VARIABLE OUTER DIAMETER Russian patent published in 1997 - IPC

Abstract RU 2091567 C1

FIELD: oil and gas producing industry; perforation of producing formations in oil and gas wells. SUBSTANCE: the offered jet perforator includes jet charge in individual airtight housing with frame for their fastening , detonating cords and means for initiation. Frame for fastening charges is made in form of separate longitudinal strips with holes for charge head. Strips are connected by changeable rings corresponding to diameter of perforator. EFFECT: higher efficiency. 3 dwg

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RU 2 091 567 C1

Authors

Tebjakin V.M.

Likutov A.R.

Kurtinov V.M.

Sirotin V.T.

Dates

1997-09-27—Published

1995-02-09—Filed