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2 482 262

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(51)

IPC

E21B33/10(2006-01-01)

(21) (22)

Application

2010143043/03, 2010-10-20

(24)

Start date

2010-10-20

(22)

Actual filing date

2010-10-20

(45)

Published

2013-05-20

(72)

Inventor

Barsukov Vitalij Dement'EvichMin'Kova Natal'Ja Petrovna

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Universitet" Vpo Tgu)

METHOD FOR DECREASING FLOW RATE OF EMERGENCY FLOWING WELLS Russian patent published in 2013 - IPC E21B33/10

Abstract RU 2482262 C2

FIELD: oil and gas industry.

SUBSTANCE: submersible elements made from the material having density that is higher than oil density is transported directly to the operating part of the well till a plug appears in the working face. Only balls from solid mineral or metal, which are made from the same material of elongated rotation bodies of streamlined shape with an offset centre of gravity along the axis, are transported. Diameter of balls and diameter of midlength section of elongated rotation bodies is chosen from minimum value that is determined as per solution of the specified mathematical expression and is less than maximum value that is determined from the solution of the specified mathematical expression. The process is performed till the well is fully filled, or till the acceptable flow rate is achieved.

EFFECT: decrease of flow rate of emergency flowing wells.

5 cl, 2 dwg

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RU 2 482 262 C2

Authors

Barsukov Vitalij Dement'Evich

Min'Kova Natal'Ja Petrovna

Dates

2013-05-20—Published

2010-10-20—Filed