Restoration body for processing multi-stage deformed buried and clamped fish and device comprising restoration body

Restoration body for processing multi-stage deformed buried and clamped fish and device comprising restoration body

The invention discloses a restoration body for processing a multi-stage deformed buried and clamped fish, which comprises a rod-shaped body, the rod-shaped body comprises an external expansion section and an insertion section which are sequentially arranged along the length direction of the rod-shap...

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Hauptverfasser: LIU SHOUCHAO, HUANG JIE, WANG GUOTIAN, LI JIANWEI, YU JIAN, SUN BAILIN
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
HUANG JIE
WANG GUOTIAN
LI JIANWEI
YU JIAN
SUN BAILIN
description The invention discloses a restoration body for processing a multi-stage deformed buried and clamped fish, which comprises a rod-shaped body, the rod-shaped body comprises an external expansion section and an insertion section which are sequentially arranged along the length direction of the rod-shaped body, the outer diameter of the external expansion section is not less than the inner diameter of a core shaft of the fish, and the insertion section is in the shape of a cone; through holes which are communicated with one another and are formed in the length direction of the rod-shaped body and used for workover fluid to flow are formed in the external expansion section and the insertion section; when the rod-shaped body is arranged in a fish, the external expansion section is arranged in an upper connector of the fish in a matched mode, so that the upper connector is in a non-rebounding external expansion state, and the insertion section is arranged in the mandrel in a matched mode and used for cleaning sundri
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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 Restoration body for processing multi-stage deformed buried and clamped fish and device comprising restoration body
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