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2 085 700

(13)

C1

(51)

IPC

(21) (22)

Application

94000891/03, 1994-01-10

(22)

Actual filing date

1994-01-10

(45)

Published

1997-07-27

(72)

Inventor

Jusupov R.Sh.Fedorov N.G.

(73)

Holder

Neftedobyvajushchee Upravlenie Ngdu Proizvodstvennogo Ob"Edinenija

DEVICE FOR ANTICORROSIVE PROTECTION OF WELL-HEAD ROD OF DEEP-WELL SUCKER-ROD PUMPING UNIT Russian patent published in 1997 - IPC

Abstract RU 2085700 C1

FIELD: mining industry. SUBSTANCE: this relates to well-head equipment for producing oil and gas and can be used in operation of deep-well pumping units. Device has sealing gland in its body and is additionally provided with protective cylinder filled with corrosion inhibitor with sealing gland to prevent leaking of inhibitor and uniform lubrication of rod. Also provided is removable cover to permit replacement of sealing gland and adding of corrosion inhibitor. Cover is connected with protective cylinder by means of rings and fastening bolts. EFFECT: high efficiency. 1 dwg

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RU 2 085 700 C1

Authors

Jusupov R.Sh.

Fedorov N.G.

Dates

1997-07-27—Published

1994-01-10—Filed

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