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2 487 230

(13)

(51)

IPC

E21B23/14(2006-01-01)

(21) (22)

Application

2011117813/03, 2011-05-03

(24)

Start date

2011-05-03

(22)

Actual filing date

2011-05-03

(45)

Published

2013-07-10

(72)

Inventor

Valiullin Askar SalavatovichValiullin Marat SalavatovichParkhimovich Aleksandr Jur'EvichBadretdinov Jurij Al'BertovichBachurin Aleksandr Borisovich

(73)

Holder

Valiullin Askar SalavatovichValiullin Marat Salavatovich

DOWNHOLE TRACTOR Russian patent published in 2013 - IPC E21B23/14

Abstract RU 2487230 C2

FIELD: oil and gas industry.

SUBSTANCE: tractor assembly consists of cylindrical body with electric engine installed in it, pivoted wedging supports and at least one section with driving machine made in the form of wheels installed in the body; wheels have with curvature radius equal to radius of the examined well. At that tractor assembly is equipped additionally with pump and drive from electric engine, hydraulic motor with chain drive of wheels and actuator of wedging supports. An extra electric engine can be installed for actuator of wedging supports.

EFFECT: increased draught power of the device.

2 cl, 1 dwg

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RU 2 487 230 C2

Authors

Valiullin Askar Salavatovich

Valiullin Marat Salavatovich

Parkhimovich Aleksandr Jur'Evich

Badretdinov Jurij Al'Bertovich

Bachurin Aleksandr Borisovich

Dates

2013-07-10—Published

2011-05-03—Filed