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(19)

(11)

2 515 623

(13)

(51)

IPC

E21B28/00(2006-01-01)

E21B43/25(2006-01-01)

(21) (22)

Application

2012157436/03, 2012-12-27

(24)

Start date

2012-12-27

(22)

Actual filing date

2012-12-27

(45)

Published

2014-05-20

(72)

Inventor

Drozdov Aleksandr NikolaevichKaraketov Azarij Valer'Evich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Universitet Nefti I Gaza Imeni I.M. Gubkina"

INSTALLATION FOR VIBROSEISMIC IMPACT ON DEPOSIT Russian patent published in 2014 - IPC E21B28/00 E21B43/25

Abstract RU 2515623 C1

FIELD: oil and gas industry.

SUBSTANCE: installation contains a hammer for making impacts, a borehole lift appliance connected to the hammer and an anvil. The lift appliance is made as a body containing a plunger with a feedthrough, a centraliser-lift limiter for the hammer made as a sleeve bearing with a feedthrough holes and a valve with a saddle. The valve is connected to the rod which is connected to the hammer by means of a liquid damper. The space between the outer surface of the lift appliance body and the inner surface of the well is covered by the packer while the space above the plunger of the lift appliance has a hydraulic link with a suction line of a borehole pump.

EFFECT: invention allows increasing reliability and operability of the installation.

4 cl, 7 dwg

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RU 2 515 623 C1

Authors

Drozdov Aleksandr Nikolaevich

Karaketov Azarij Valer'Evich

Dates

2014-05-20—Published

2012-12-27—Filed