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2 109 927

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Application

96106646/03, 1996-04-08

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Actual filing date

1996-04-08

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Published

1998-04-27

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Inventor

Ivanov A.G.Arzamasov V.L.Mikhajlov V.V.Charonov V.Ja.

(73)

Holder

Aktsionernoe Obshchestvo Nauchno-Issledovatel'Skij, Proektno-Konstruktorskij I Tekhnologicheskij Institut Relestroenija"

DEVICE FOR CONTROL OF ELECTRIC HEATING OF OIL WELLS Russian patent published in 1998 - IPC

Abstract RU 2109927 C1

FIELD: oil production industry. SUBSTANCE: this can be used in cleaning production strings of oil wells from paraffin and other deposits. For more reliable installation of electric heating for cleaning oil well from paraffin, undertaken is diagnosing operations so as to exclude abnormal modes in reduction of resistance circuit of oil well or breakage of aforesaid circuit. Introduced in device is unit for diagnosing and detection of abnormal modes in heating which accommodates sensor for separation of output voltage module, comparator, and filter which are coupled to each other and connected to protection unit, current presetting and sensor unit, and also to converter output. EFFECT: higher efficiency. 1 dwg

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RU 2 109 927 C1

Authors

Ivanov A.G.

Arzamasov V.L.

Mikhajlov V.V.

Charonov V.Ja.

Dates

1998-04-27—Published

1996-04-08—Filed

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