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2 129 666

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Application

95107615/06, 1995-05-12

(22)

Actual filing date

1995-05-12

(45)

Published

1999-04-27

(72)

Inventor

Gol'Dshtejn E.I.Ermakova E.N.

(73)

Holder

Kiberneticheskij Tsentr Pri Tomskom Politekhnicheskom Universitete

METHOD OF DIAGNOSIS OF COUNTERBALANCING OF PUMPING UNITS OF SUCKER-ROD PUMPING INSTALLATIONS Russian patent published in 1999 - IPC

Abstract RU 2129666 C1

FIELD: oil producing fields. SUBSTANCE: method consists in measuring instantaneous currents at input of electric motor of pumping unit. Besides that, instantaneous magnitudes of voltage are measured, active power is determined and first power harmonic a1 and second power harmonic a2 are extracted; counterbalancing of pumping unit is estimated from condition a1<a2. EFFECT: high reliability and ease of realization. 3 dwg

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RU 2 129 666 C1

Authors

Gol'Dshtejn E.I.

Ermakova E.N.

Dates

1999-04-27—Published

1995-05-12—Filed

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