A water-sealed underground oil storage cavern water-seal effect measurement and control device
A technology of measurement and control device and cave storage, which is applied to measuring devices, utilizing fluid devices, measuring fluid pressure, etc., can solve problems such as inability to correctly judge the effect of water seals and unrealistic thickness of water bodies, and achieve simple structure, convenient operation and reliability. high effect
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[0013] Such as figure 1 As shown, an embodiment of the present invention arranges boreholes 9 above the vault of cavern 10, with a diameter of 75mm, and the bottom of borehole 9 is about 0.5m away from the vault of cavern 10. Saturated piezometers 1 are buried every 3m from the bottom of the borehole 9 (generally 25-30m deep), and unsaturated pressure test sensors 2 (such as PDCR-81 pore water pressure sensors, micro-resistivity sensors or heat conduction sensors) are installed at the same position. Sensors, etc.); use micro-expansion low-permeability materials 3 (such as micro-expansion concrete, expansive clay) to seal between adjacent device layers installed with saturated osmometer 1 and unsaturated pressure sensor 2; The manometer 1 and the unsaturated pressure sensor 2 are led out through the wire 4, and are connected with the wireless data sending unit 7 through the data acquisition instrument 5 and the data wire 6, and the on-site measurement signal is sent to the moni...
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