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2 317 406

(13)

(51)

IPC

E21B43/117(2006-01-01)

(21) (22)

Application

2006121423/03, 2006-06-16

(24)

Start date

2006-06-16

(22)

Actual filing date

2006-06-16

(45)

Published

2008-02-20

(72)

Inventor

Kornev Vladimir MikhajlovichKinelovskij Sergej Anatol'EvichDemeshkin Aleksandr Grigor'EvichPopov Jurij Nikolaevich

(73)

Holder

Institut Gidrodinamiki Im. M.A. Lavrent'Eva So RanNovosibirskij Gosudarstvennyj Universitet

WELL BORE ZONE PERFORATION METHOD AND SHAPED-CHARGE DEVICE (VARIANTS) Russian patent published in 2008 - IPC E21B43/117

Abstract RU 2317406 C1

FIELD: oil and gas production industry, particularly perforators and permeators.

SUBSTANCE: perforation method involves providing simultaneous intrusion of several parallel cumulative jets in casing pipe and surrounding zone, wherein zone area is proportional to cross-section of shaped perforator charge. Device made in accordance with the first embodiment comprises explosive flat wave generator and cumulative unit. Explosive flat wave generator comprises shaped charge and cumulative case. Cumulative unit includes flat block of main explosive charge arranged under cumulative generator case and metal or pressed powder plate adjoining opposite block side. Cumulative depressions are created in plate body in side opposite to block. Device made in accordance to the second embodiment is additionally arranged in metal case.

EFFECT: increased efficiency of productive reservoir exposing and simplified perforator structure.

28 cl, 5 dwg, 1 ex

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RU 2 317 406 C1

Authors

Kornev Vladimir Mikhajlovich

Kinelovskij Sergej Anatol'Evich

Demeshkin Aleksandr Grigor'Evich

Popov Jurij Nikolaevich

Dates

2008-02-20—Published

2006-06-16—Filed