Microtube Holder

Abstract

The invention discloses a micron-tube clamping device. The micron-tube clamping device comprises a base and two end parts; the base comprises a bas body, and two clamping arms which are respectively arranged at the first end part and the second end part of the base body; the two end parts are respectively positioned at the first end part and the second end part of the base body; each end part comprises a connecting part which passes through each clamping arm, and a sleeve part which sleeves the connecting part; a through hole through which a micron-tube can pass is formed in each connecting part; a communication hole which communicates with the micron-tube is formed in each sleeve part; a sealing part for separating each through hole from each communication hole is arranged between the micron-tube and each connecting part; the end surface of each sealing part, toward each sleeve part is a vertical surface, and while the end surface of each sealing part, back to each sleeve part is a tapered surface. According to the micron-tube clamping device, the deformation angle and direction supplement each other when the sealing parts are pressed and deformed, so that a sealing space can be fully filled, other spaces can be avoided between the micron-tube and the connecting parts, and as a result, the phenomenon of air leakage can be avoided, and high sealing performance can be kept under a relatively high pressure condition.

Description

technical field [0001] The invention relates to the field of microcosmic oil, gas and water seepage mechanism research and oil and gas reservoir development experiments, and in particular relates to a micron tube holder. Background technique [0002] Due to the complex seepage mechanism of low-permeability tight oil and gas reservoirs, in order to deeply understand the microscopic seepage mechanism, it is sometimes necessary to simplify the complex structure of porous media and study the seepage mechanism of micron tubes or tube bundles under high pressure conditions. Microtubes, also known as micron-tubular structures, have a diameter between 1 and 10 μm, because they usually have good mechanical properties, chemical stability and monodispersity, and can be operated individually by means of the current micron operation technology, so they are favored. received widespread attention at home and abroad. In the process, microtubes need to be connected across scales with routin...

AI Technical Summary

Problems solved by technology

However, the existing microtube holders can withstand a maximum pressure of only 6MPa (Document 1: "Flow characteristics of high-pressure gas in microtubes". Journal of China University of Petroleum. Article number: 1673-5005 (2012) 04- 0129-05; Literature 2: "Nonlinear Seepage Characteristics at Microscale. Petroleum Exploration and Development. Article Number: 1000-0747(2011)03-0336-05")

[0003] Due to the limited pressure capacity of prior art microtube holders, tests performed with prior art microtube holders cannot be applied to higher pressures

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