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2 106 470

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IPC

(21) (22)

Application

95116544/03, 1995-09-25

(22)

Actual filing date

1995-09-25

(45)

Published

1998-03-10

(72)

Inventor

Zejnalov Rakhib Rashid Ogly[Az]Ismajlov Fazim Nadzhaf Ogly[Az]Panin Nikolaj Mitrofanovich[Ru]Kurtov Veniamin Dmitrievich[Ua]Peretjaka Pavel Vladimirovich[Ua]

(73)

Holder

Zejnalov Rakhib Rashid Ogly[Az]Ismajlov Fazim Nadzhaf Ogly[Az]Panin Nikolaj Mitrofanovich[Ru]Kurtov Veniamin Dmitrievich[Ua]Peretjaka Pavel Vladimirovich[Ua]

METHOD FOR LIQUIDATING JAMMING OF PIPE STRINGS IN WELL Russian patent published in 1998 - IPC

Abstract RU 2106470 C1

FIELD: oil and gas production industry. SUBSTANCE: this relates to liquidation of breakdowns in wells caused by jamming of drilling string. According to method, jamming is eliminated by creating longitudinal oscillations in drilling string by means of cavitation generator. Its oscillation frequency is regulated so as to provide resonance phenomena in jammed drilling string. Additionally used for purpose of increasing performance efficiency of cavitation generator and reducing repair periods is shock absorber which is located directly above generator. EFFECT: higher efficiency. 1 dwg

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RU 2 106 470 C1

Authors

Zejnalov Rakhib Rashid Ogly[Az]

Ismajlov Fazim Nadzhaf Ogly[Az]

Panin Nikolaj Mitrofanovich[Ru]

Kurtov Veniamin Dmitrievich[Ua]

Peretjaka Pavel Vladimirovich[Ua]

Dates

1998-03-10—Published

1995-09-25—Filed