Experiment device for verifying dynamic negative pressure perforation channel cleaning degree

Experiment device for verifying dynamic negative pressure perforation channel cleaning degree

The invention discloses an experiment device for verifying a dynamic negative pressure perforation channel cleaning degree. According to the experiment device, a decompression chamber is connected to a rock sample target body through a connection pipe, a certain negative pressure value is set, and m...

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Hauptverfasser: XIAN YUXI, WEN JIEXIONG, LU DETANG, LIU JIANWU
Format: Patent
Sprache:chi ; eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
PHYSICS
TESTING
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creator XIAN YUXI
WEN JIEXIONG
LU DETANG
LIU JIANWU
description The invention discloses an experiment device for verifying a dynamic negative pressure perforation channel cleaning degree. According to the experiment device, a decompression chamber is connected to a rock sample target body through a connection pipe, a certain negative pressure value is set, and metal fragments and crushed rock in a perforation channel enter the decompression chamber through a communication pipe so that the problem that the existing device cannot directly and accurately forecast negative pressure difference in the perforation channel at different cleaning degrees is solved. The experiment device guarantees reliability of cleaning of the rock perforation channel and realizes research on influence produced by a petroleum casing pipe and an oil pipe gap on a blast pressure peak value and on a perforation channel cleaning degree. Flashy flows produced by negative pressure difference carry metal fragments and crushed rock and go through a through plugging metal plate and the process of the metal
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
PHYSICS
TESTING
title Experiment device for verifying dynamic negative pressure perforation channel cleaning degree
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