METHOD FOR ASPHALT-TAR-PARAFFIN, HYDRATE AND ICE PLUGS BREAKAGE IN PRODUCTION WELLS

METHOD FOR ASPHALT-TAR-PARAFFIN, HYDRATE AND ICE PLUGS BREAKAGE IN PRODUCTION WELLS

FIELD: oil production, particularly underground and thorough well repair to remove asphalt-tar-paraffin, hydrate and ice plugs in hole annuity and tube space of wells provided with pumping units. ^ SUBSTANCE: method involves creating through inclined channel in face plate; installing lubricator; low...

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Hauptverfasser: AMINEV NAFIS RAISOVICH, MAZAEV VLADIMIR VLADIMIROVICH, KIRSHOV VALERIJ ANATOL'EVICH, CHERNYSHEV ANDREJ VALER'EVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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creator AMINEV NAFIS RAISOVICH
MAZAEV VLADIMIR VLADIMIROVICH
KIRSHOV VALERIJ ANATOL'EVICH
CHERNYSHEV ANDREJ VALER'EVICH
description FIELD: oil production, particularly underground and thorough well repair to remove asphalt-tar-paraffin, hydrate and ice plugs in hole annuity and tube space of wells provided with pumping units. ^ SUBSTANCE: method involves creating through inclined channel in face plate; installing lubricator; lowering heater in hole annuity through lubricator; melting plug and injecting working agent. Ball valve is installed in through inclined channel. Lubricator is retained over the ball valve. Before working agent injection processing liquid is additionally supplied under pressure in hole annuity simultaneously with heater lowering and plug melting up to full plug removal from hole annuity. ^ EFFECT: increased efficiency of asphalt-tar-paraffin, hydrate and ice elongated plugs removal. ^ 7 cl, 2 ex
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subjects EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
title METHOD FOR ASPHALT-TAR-PARAFFIN, HYDRATE AND ICE PLUGS BREAKAGE IN PRODUCTION WELLS
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