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2 064 590

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IPC

(21) (22)

Application

93003070/03, 1993-01-18

(22)

Actual filing date

1993-01-18

(45)

Published

1996-07-27

(72)

Inventor

Zykov V.S.Cherkasov V.S.Krjuchkov V.I.

(73)

Holder

Vostochnyj Nauchno-Issledovatel'Skij Institut Po Bezopasnosti Rabot V Gornoj Promyshlennosti

METHOD FOR FORECASTING GAS DYNAMICS INITIATION IN DRIVING DEVELOPMENT WORKINGS ON OUTBURST AND GAS BEARING SEAMS Russian patent published in 1996 - IPC

Abstract RU 2064590 C1

FIELD: mining. SUBSTANCE: method includes drilling boreholes in coal block, measuring of coal fines output, initial rate of gas release along borehole length. Background methane concentration is measured additionally. Methane concentration in mine face is measured additionally. Methane concentration in working face just before working cycle initiation is admitted. EFFECT: higher accuracy in forecasting. 2 cl, 1 tbl

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RU 2 064 590 C1

Authors

Zykov V.S.

Cherkasov V.S.

Krjuchkov V.I.

Dates

1996-07-27—Published

1993-01-18—Filed