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2 083 872

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C1

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IPC

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Application

94037758/06, 1994-10-07

(22)

Actual filing date

1994-10-07

(45)

Published

1997-07-10

(72)

Inventor

Blinov Ju.I.Shurinov V.A.Chernyshevich S.L.Jakovlev V.V.Khokhlov N.P.Fedorin V.R.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Nauchno-Issledovatel'Skij Institut Trubnoj Promyshlennosti"Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD OF MANUFACTURE OF SUCKER-ROD WELL PUMP Russian patent published in 1997 - IPC

Abstract RU 2083872 C1

FIELD: oil production. SUBSTANCE: prior to finishing, grooves are made on surfaces; depth of these grooves is found from expression h=(0.01-0.014)+δ, where h is depth of grooves, mm; d is allowance for finishing the diameter to required size, mm. EFFECT: enhanced reliability. 2 dwg

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RU 2 083 872 C1

Authors

Blinov Ju.I.

Shurinov V.A.

Chernyshevich S.L.

Jakovlev V.V.

Khokhlov N.P.

Fedorin V.R.

Dates

1997-07-10—Published

1994-10-07—Filed

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