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2 739 178

(13)

(51)

IPC

E21B43/08(2006-01-01)

E03B3/18(2006-01-01)

E21B43/10(2006-01-01)

(21) (22)

Application

2020117152, 2020-05-25

(24)

Start date

2020-05-25

(22)

Actual filing date

2020-05-25

(45)

Published

2020-12-21

(72)

Inventor

Iarullin Anvar GabdulmazitovichValikov Eduard VladimirovichValiulin Rinat NafisulovichBabin Evgenii NikolaevichZiganshin Ramil Gabbasovich

(73)

Holder

Upravliaiushchaia Kompaniia Obshchestvo S Ogranichennoi Otvetstvennostiu Grupp"

MECHANICAL IMPURITIES CLEANING SYSTEM FOR PRODUCTION WELLS WITH APPLICATION OF SPIRAL-SLOT FILTER Russian patent published in 2020 - IPC E21B43/08 E03B3/18 E21B43/10

Abstract RU 2739178 C1

FIELD: mining.

SUBSTANCE: invention relates to cleaning impurities from production wells. Proposed system comprises casing string with motor and pump, spiral-slotted filter and perforated tube. At the same time casing string in lower part contains packer. With the help of this packer casing string is tightly connected to safety device of automatic coupler-catcher. This filter is installed inside perforated pipe. Upper part of the filter is blind and is tightly fixed in the automatic coupler-catcher. Lower part of the pipe is perforated. Besides, the filter from the lower end face is covered with an impermeable cover.

EFFECT: technical result is improved wear resistance and durability of cleaning system, as well as simplification of this system.

6 cl, 1 dwg

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RU 2 739 178 C1

Authors

Iarullin Anvar Gabdulmazitovich

Valikov Eduard Vladimirovich

Valiulin Rinat Nafisulovich

Babin Evgenii Nikolaevich

Ziganshin Ramil Gabbasovich

Dates

2020-12-21—Published

2020-05-25—Filed