Double-tubular-column suspension wellhead device

Double-tubular-column suspension wellhead device

The utility model relates to the technical field of horizontal well production and test, in particular to a double-tubular-column suspension wellhead device for producing and testing a horizontal well. A sluice valve, a test tubular column and an upper flange four-way joint of the device are in scre...

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Hauptverfasser: HONG XIZHI, SHAO SHUAI, WU XIUJUN, CHEN LIANG, LIU WENKE, YANG XIONG, LEI GUANGCAI, QIN HUANGUANG, YIN SHU
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 HONG XIZHI
SHAO SHUAI
WU XIUJUN
CHEN LIANG
LIU WENKE
YANG XIONG
LEI GUANGCAI
QIN HUANGUANG
YIN SHU
description The utility model relates to the technical field of horizontal well production and test, in particular to a double-tubular-column suspension wellhead device for producing and testing a horizontal well. A sluice valve, a test tubular column and an upper flange four-way joint of the device are in screwed connection with one another sequentially; a screwed plug, a power liquid inlet joint, a gland short node, a suspender main body, a power liquid tubular column and the upper flange four-way joint are in screwed connection with one another sequentially; a double-tube suspender is in screwed connection with a small oil tube; the double-tube suspender is positioned on an oil tube head four-way joint; an oil tube reducing joint is in screwed connection with a large oil tube; the oil tube reducing joint is positioned on the double-tube suspender; a slip base is positioned on the suspender main body; a slip is positioned on the slip base; the slip is used for clamping and suspending continuous oil tubes; and channels
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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 Double-tubular-column suspension wellhead device
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