Packer and packing method for quickly plugging formation water outlet in air drilling

Packer and packing method for quickly plugging formation water outlet in air drilling

The invention belongs to the technical field of coal seam plugging, and particularly relates to a packer and a packing method for rapidly plugging formation water outlet in air drilling, the packer is composed of an upper part, a middle part and a lower part, the upper part and the lower part are fi...

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Hauptverfasser: WANG BAOYU, NI XIAOMING, JEON SUNG-WON, LYU RUNSHENG, LIANG HAIJUN, ZHANG HAOQUAN, ZHANG HAIQING, ZHU LIN, FU HUI, LI YANHE
Format: Patent
Sprache:chi ; eng
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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 WANG BAOYU
NI XIAOMING
JEON SUNG-WON
LYU RUNSHENG
LIANG HAIJUN
ZHANG HAOQUAN
ZHANG HAIQING
ZHU LIN
FU HUI
LI YANHE
description The invention belongs to the technical field of coal seam plugging, and particularly relates to a packer and a packing method for rapidly plugging formation water outlet in air drilling, the packer is composed of an upper part, a middle part and a lower part, the upper part and the lower part are fixed assemblies, and the middle part is a functional assembly. The first upper fixing assembly and the first lower fixing assembly bind the packer to a drill rod. And secondly, when the drill bit drills through the aquifer, the fixing steel sheet pops up, and the packer is fixed to the position of the aquifer. The packer mainly comprises threaded connectors, a soluble metal shell, a soluble metal protective shell, a fixed steel sheet, a steel sheet telescopic rod and a steel sheet elastic seat. The packer is fixedly connected with threads on a drill rod through the threaded connectors on the upper portion and the lower portion of the packer. The main body frame of the packer is made of soluble alloy, so that the pac
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The first upper fixing assembly and the first lower fixing assembly bind the packer to a drill rod. And secondly, when the drill bit drills through the aquifer, the fixing steel sheet pops up, and the packer is fixed to the position of the aquifer. The packer mainly comprises threaded connectors, a soluble metal shell, a soluble metal protective shell, a fixed steel sheet, a steel sheet telescopic rod and a steel sheet elastic seat. The packer is fixedly connected with threads on a drill rod through the threaded connectors on the upper portion and the lower portion of the packer. 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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 Packer and packing method for quickly plugging formation water outlet in air drilling
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