Oil nozzle sleeve for high-pressure oil-gas well

Oil nozzle sleeve for high-pressure oil-gas well

The utility model discloses an oil nozzle sleeve for a high-pressure oil-gas well, which comprises a body, an oil nozzle sleeve channel arranged on the body, an oil nozzle accommodating channel arranged at one section of the upper end of the oil nozzle sleeve channel, a contraction channel arranged...

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Hauptverfasser: LIU SHOUCHAO, SUN TONGCHENG, ZHANG ZHIGANG, ZHANG JIANGJIANG, LIANG HONGYUN, TANG ZHI
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
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creator LIU SHOUCHAO
SUN TONGCHENG
ZHANG ZHIGANG
ZHANG JIANGJIANG
LIANG HONGYUN
TANG ZHI
description The utility model discloses an oil nozzle sleeve for a high-pressure oil-gas well, which comprises a body, an oil nozzle sleeve channel arranged on the body, an oil nozzle accommodating channel arranged at one section of the upper end of the oil nozzle sleeve channel, a contraction channel arranged below the oil nozzle accommodating channel so that an inner support step is formed at the joint of the contraction channel and the oil nozzle accommodating channel, and an expansion channel arranged above the oil nozzle accommodating channel. A plurality of first internal threads are arranged on the inner side wall of the expansion channel, a plurality of first external threads are arranged on the outer side wall of the clamping piece, a through hole penetrating through the upper surface and the lower surface of the clamping piece is formed in the center of the clamping piece, and the inner diameter of the through hole is smaller than the inner diameter of the oil nozzle containing channel and larger than the hole
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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 Oil nozzle sleeve for high-pressure oil-gas well
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