DEVICE FOR STEPPED GROUTING OF BORE-HOLES

FIELD: oil and gas industry. SUBSTANCE: device has body and housing which form a circular space. Located in space is shut-off valve which is biased by spring with its upper end face towards bush. Valve is fixed in housing. Installed in lower part of device are circular piston and packing member. EFF...

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Hauptverfasser:	ASFANDIJAROV R.T, RAKHIMKULOV R.SH, OVTSYN I.O, KLJAVIN R.M, AFRIDONOV I.F
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	ASFANDIJAROV R.T RAKHIMKULOV R.SH OVTSYN I.O KLJAVIN R.M AFRIDONOV I.F
description	FIELD: oil and gas industry. SUBSTANCE: device has body and housing which form a circular space. Located in space is shut-off valve which is biased by spring with its upper end face towards bush. Valve is fixed in housing. Installed in lower part of device are circular piston and packing member. EFFECT: versatility of use, reduced energy required. 3 dwg Использование: в нефтегазодобывающей промышленности. Цель: улучшение качества цементирования, увеличение надежности в работе. Сущность изобретения: устройство включает корпус и кожух, образующие кольцевую полость, в полости размещен запорный золотник, подпружиненный верхним торцом к втулке и зафиксированный в кожухе, в нижней части устройства установлены кольцевой поршень и пакерующий элемент. Положительный эффект: уменьшение энергоемкости процесса, универсальность применения.
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Located in space is shut-off valve which is biased by spring with its upper end face towards bush. Valve is fixed in housing. Installed in lower part of device are circular piston and packing member. EFFECT: versatility of use, reduced energy required. 3 dwg Использование: в нефтегазодобывающей промышленности. Цель: улучшение качества цементирования, увеличение надежности в работе. Сущность изобретения: устройство включает корпус и кожух, образующие кольцевую полость, в полости размещен запорный золотник, подпружиненный верхним торцом к втулке и зафиксированный в кожухе, в нижней части устройства установлены кольцевой поршень и пакерующий элемент. 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SUBSTANCE: device has body and housing which form a circular space. Located in space is shut-off valve which is biased by spring with its upper end face towards bush. Valve is fixed in housing. Installed in lower part of device are circular piston and packing member. EFFECT: versatility of use, reduced energy required. 3 dwg Использование: в нефтегазодобывающей промышленности. Цель: улучшение качества цементирования, увеличение надежности в работе. Сущность изобретения: устройство включает корпус и кожух, образующие кольцевую полость, в полости размещен запорный золотник, подпружиненный верхним торцом к втулке и зафиксированный в кожухе, в нижней части устройства установлены кольцевой поршень и пакерующий элемент. Положительный эффект: уменьшение энергоемкости процесса, универсальность применения.</abstract><oa>free_for_read</oa></addata></record>
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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	DEVICE FOR STEPPED GROUTING OF BORE-HOLES
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