Device and method for testing gas pressure of water-containing surrounding rock coal seam

Device and method for testing gas pressure of water-containing surrounding rock coal seam

The invention discloses a water-containing surrounding rock coal seam gas pressure testing device and method, and the device comprises lifting frames which are arranged in a bilateral symmetry manner; the two sets of connection fixing frames are arranged up and down, the lower connection fixing fram...

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Hauptverfasser: MA KE, JIA TIANRANG, LI XIN, XU GANG, WANG LIGUO, JU YIWEN, JIAO HUAZHE, LIU YONGQIAN, TAN YI, XIONG JIANLONG
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 MA KE
JIA TIANRANG
LI XIN
XU GANG
WANG LIGUO
JU YIWEN
JIAO HUAZHE
LIU YONGQIAN
TAN YI
XIONG JIANLONG
description The invention discloses a water-containing surrounding rock coal seam gas pressure testing device and method, and the device comprises lifting frames which are arranged in a bilateral symmetry manner; the two sets of connection fixing frames are arranged up and down, the lower connection fixing frame is fixed between the lifting frames on the left side and the right side and used for longitudinal guide sliding of the pressure testing cylinder and the transfer cylinder, and the upper connection fixing frame is installed at the longitudinal lifting output ends of the lifting frames on the left side and the right side and used for directionally conveying the pressure testing cylinder and the transfer cylinder; a plurality of groups of adapter cylinders are arranged; the adapter ring frame is used for connecting the plurality of groups of adapter cylinders and connecting the pressure testing cylinders with the adapter cylinders; the clamping plate strip is installed in the middle of the upper connecting fixing fr
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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 Device and method for testing gas pressure of water-containing surrounding rock coal seam
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