Self-expansion hole-protecting compression-resistant floral tube for gas extraction

Self-expansion hole-protecting compression-resistant floral tube for gas extraction

A self-expansion hole-protecting compression-resistant floral tube for gas extraction comprises a floral tube body evenly provided with a plurality of floral holes, an annular fixed connector is fixedly arranged on the outer circle of the left end of the floral tube body, and an annular movable conn...

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Hauptverfasser: WU SHUAIDONG, GUO XIANLIN, WANG YU, BAI ZHIQIANG, XU SHOUREN, KONG LINGJIE, KANG CHEN, WANG ZHENFENG
Format: Patent
Sprache:chi ; eng
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
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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creator WU SHUAIDONG
GUO XIANLIN
WANG YU
BAI ZHIQIANG
XU SHOUREN
KONG LINGJIE
KANG CHEN
WANG ZHENFENG
description A self-expansion hole-protecting compression-resistant floral tube for gas extraction comprises a floral tube body evenly provided with a plurality of floral holes, an annular fixed connector is fixedly arranged on the outer circle of the left end of the floral tube body, and an annular movable connector is arranged on the outer circle of the right end of the floral tube body in a sliding mode. An expandable breathable supporting structure covering the floral hole is arranged between the annular fixed plug-in connector and the annular movable plug-in connector, and a telescopic valve assembly used for positioning the axial stretching or radial expansion position of the annular movable plug-in connector is arranged in the right end of the floral tube body. The telescopic valve assembly is connected with a rope used for driving the telescopic valve assembly to be in positioning fit with the positioning annular movable plug-in connector, and the rope leftwards extends out of the drill hole along the interior of
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An expandable breathable supporting structure covering the floral hole is arranged between the annular fixed plug-in connector and the annular movable plug-in connector, and a telescopic valve assembly used for positioning the axial stretching or radial expansion position of the annular movable plug-in connector is arranged in the right end of the floral tube body. 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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
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
title Self-expansion hole-protecting compression-resistant floral tube for gas extraction
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